LDS Sample Loading Buffer (4X): A Comprehensive Guide

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LDS (Lithium Dodecyl Sulfate) Sample Loading Buffer (4X) is an essential reagent used in molecular biology, particularly in protein electrophoresis applications such as SDS-PAGE (sodium dodecyl sulfate-polyacrylamide gel electrophoresis). It is a key component for preparing protein samples for gel electrophoresis, ensuring efficient protein denaturation and accurate molecular weight determination.

Composition and Function

LDS Sample Loading Buffer contains several important components that facilitate protein sample preparation:

  • Lithium Dodecyl Sulfate (LDS): A detergent that helps solubilize proteins and maintain their denatured state. Unlike SDS, LDS is often preferred for certain applications due to its ability to solubilize hydrophobic proteins more effectively.
  • Reducing Agents (DTT or β-mercaptoethanol): These agents break disulfide bonds, ensuring that proteins are fully denatured and linearized before electrophoresis.
  • Tracking Dyes (Bromophenol Blue or Coomassie G250): These dyes help track the progress of electrophoresis by providing visible markers during gel running.
  • Buffering Agents: Maintain the pH stability of the solution to ensure optimal protein denaturation and migration.
  • Glycerol: Increases the density of the sample, allowing it to settle into the gel wells properly without diffusing away.

Preparation and Usage

The LDS Sample Loading Buffer (4X) is typically used by diluting it to 1X concentration in the final sample preparation. The following steps outline the standard protocol for using LDS Sample Loading Buffer:

  1. Sample Preparation: Mix protein samples with LDS Sample Loading Buffer at a 1:3 ratio (e.g., 10 µL of protein sample with 30 µL of 4X buffer).
  2. Addition of Reducing Agent: If reducing conditions are required, add 1/10 volume of 10X reducing agent such as DTT or β-mercaptoethanol.
  3. Denaturation: Heat the mixture at 70°C for 10 minutes to ensure complete protein denaturation.
  4. Loading onto the Gel: Once the sample has cooled, it can be loaded onto an SDS-PAGE gel for electrophoresis.

For more details on the preparation of LDS Sample Loading Buffer, visit the National Institutes of Health (NIH) website (nih.gov).

Applications in Research

LDS Sample Loading Buffer is widely used in various research applications, including:

1. Western Blotting

Western blotting is a widely used technique for detecting specific proteins in a sample. LDS buffer ensures that proteins are fully denatured and separated by molecular weight before being transferred to a membrane for antibody-based detection. More details on Western blotting can be found at the National Cancer Institute (NCI) (cancer.gov).

2. Protein Purification and Quality Control

LDS Sample Loading Buffer is frequently used in protein purification workflows to assess protein purity and molecular weight. Laboratories use SDS-PAGE to analyze purified proteins before downstream applications such as mass spectrometry. The Frederick National Laboratory for Cancer Research provides useful protocols for protein analysis (frederick.cancer.gov).

3. Structural and Functional Protein Studies

Scientists studying protein folding and interactions use LDS Sample Loading Buffer to prepare proteins for electrophoresis-based structural analyses. Institutions such as the National Center for Biotechnology Information (NCBI) (ncbi.nlm.nih.gov) offer valuable resources on protein studies.

Advantages of LDS Over SDS Loading Buffers

Compared to traditional SDS buffers, LDS Sample Loading Buffer offers several advantages:

  • Better solubilization of membrane proteins: LDS is more effective at solubilizing hydrophobic proteins, making it ideal for studying membrane proteins.
  • Improved protein separation: LDS buffer provides sharper bands and better resolution, which is particularly beneficial when analyzing low-molecular-weight proteins.
  • Compatibility with alternative gel chemistries: LDS is often used in Bis-Tris gels instead of traditional Tris-glycine gels, leading to better separation and reproducibility.

For a comparative analysis of different loading buffers, visit the National Institute of Standards and Technology (NIST) (nist.gov).

Best Practices and Considerations

1. Proper Storage and Handling

LDS Sample Loading Buffer should be stored at -20°C for long-term storage. If using frequently, it can be kept at 4°C for short-term use. Repeated freeze-thaw cycles should be avoided to prevent buffer degradation.

2. Optimization for Specific Applications

Depending on the type of gel and electrophoresis conditions used, the composition of the buffer may need to be adjusted. Some proteins require additional reducing agents or alternative detergents to optimize solubility.

For guidance on optimizing electrophoresis conditions, the National Science Foundation (NSF) (nsf.gov) provides valuable insights.

Alternative Sample Buffers

While LDS Sample Loading Buffer is widely used, researchers may sometimes opt for alternative loading buffers such as:

  • Laemmli Buffer (SDS-based): Traditionally used in Tris-glycine gels.
  • Native Loading Buffers: Used when studying protein interactions that require non-denaturing conditions.
  • Urea-based Buffers: Used for proteins that aggregate in traditional SDS or LDS buffers.

More information on electrophoresis buffer formulations can be found at PubMed Central (PMC) (ncbi.nlm.nih.gov/pmc).

Conclusion

LDS Sample Loading Buffer (4X) is a fundamental reagent in protein electrophoresis, offering superior solubilization, sharp protein bands, and compatibility with various gel systems. Its widespread applications in research, from Western blotting to protein purification, make it a staple in molecular biology laboratories. Understanding its composition, usage, and advantages can help researchers optimize their protein electrophoresis workflows.

For further reading on LDS Sample Loading Buffer and related protocols, visit official government and educational sites such as:

 

VAHTS Dual UMI UDB Adapters Set 7 for MGI: A Breakthrough in High-Throughput Sequencing

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Introduction

The VAHTS Dual UMI UDB Adapters Set 7 for MGI is a state-of-the-art library preparation solution designed for next-generation sequencing (NGS) platforms. This adapter set incorporates unique molecular identifiers (UMIs) to enhance sequencing accuracy and minimize errors caused by PCR duplication. These adapters are specifically optimized for MGI sequencing platforms, providing researchers with a robust tool for genomics applications, including cancer research, transcriptomics, and metagenomics.

Importance of Unique Molecular Identifiers (UMIs) in NGS

UMIs are short, random sequences incorporated into DNA fragments before PCR amplification. They serve as molecular barcodes, allowing researchers to distinguish between true biological variants and sequencing errors. The VAHTS Dual UMI UDB Adapters Set 7 ensures:

  • Error Correction: Eliminates PCR and sequencing-induced errors (NIH).
  • Improved Quantification: Reduces amplification bias, providing more accurate transcript quantification (NCBI).
  • High Sensitivity: Enables the detection of low-frequency mutations in applications such as liquid biopsy (FDA).

Key Features of VAHTS Dual UMI UDB Adapters Set 7

This adapter set is specifically designed to work with MGI sequencing platforms, offering multiple advantages:

  • Dual UMI System: Enhances error correction and deduplication (NIH NCBI).
  • Optimized for MGI Platforms: Provides high compatibility with MGI’s DNBSEQ technology (MGI Tech).
  • High-Throughput Applications: Ideal for RNA sequencing, whole-genome sequencing, and targeted sequencing (CDC).
  • Efficient Sample Indexing: Enables multiplexing of large sample sets with minimal cross-contamination (WHO).

Applications of VAHTS Dual UMI UDB Adapters

1. Cancer Genomics

Ultra-sensitive detection of mutations is crucial in oncology. This adapter set allows for precise variant calling in tumor sequencing projects (National Cancer Institute).

2. Transcriptomics and Gene Expression Studies

With accurate UMI-based quantification, researchers can analyze RNA expression profiles with reduced technical noise (NIH Gene Expression Omnibus).

3. Metagenomics and Microbial Diversity Studies

UMI-based error correction is essential in metagenomics applications, ensuring accurate representation of microbial communities (CDC Pathogen Genomics).

4. Clinical and Translational Research

Accurate sequencing is vital for developing personalized medicine approaches. This adapter set ensures reliable genomic data for clinical applications (FDA Precision Medicine).

Quality Control and Regulatory Compliance

To ensure optimal performance, laboratories must adhere to stringent quality control measures and regulatory standards:

  • U.S. Food and Drug Administration (FDA) – Sets guidelines for NGS-based clinical applications (FDA NGS Guidelines).
  • World Health Organization (WHO) – Establishes best practices for genomic sequencing and pathogen surveillance (WHO Genomic Sequencing).
  • Centers for Disease Control and Prevention (CDC) – Provides recommendations for implementing NGS in public health laboratories (CDC Genomic Testing).

Challenges in UMI-Based Sequencing

Despite its advantages, UMI-based sequencing presents some challenges:

  • Data Analysis Complexity: UMI deduplication requires advanced bioinformatics pipelines (NCBI Genomics).
  • Library Preparation Optimization: Ensuring efficiency in UMI incorporation is critical for accurate sequencing results (NIH Research).
  • Cost Considerations: While improving accuracy, UMI-based approaches may require additional computational resources and reagent costs (FDA Genomics Research).

Future Directions and Innovations

As sequencing technology advances, the integration of UMIs will become more widespread in genomics research. Emerging trends include:

  • AI-Driven Sequencing Error Correction: Machine learning approaches to refine UMI deduplication (NIH AI in Genomics).
  • Expansion of Long-Read Sequencing: Combining UMIs with long-read sequencing for improved structural variant detection (WHO Long-Read Genomics).
  • Automated High-Throughput Library Prep: Robotics and automation will enhance efficiency in sample preparation (CDC Genomic Surveillance).

Conclusion

The VAHTS Dual UMI UDB Adapters Set 7 for MGI represents a significant advancement in high-throughput sequencing. By integrating dual unique molecular identifiers (UMIs), these adapters enhance sequencing accuracy, reduce errors, and improve variant detection. With its broad applications in cancer research, transcriptomics, metagenomics, and clinical genomics, this technology plays a crucial role in modern genomics. Adhering to FDA, WHO, and CDC guidelines ensures the quality and reliability of sequencing data, making this adapter set a valuable tool for researchers worldwide.

For further information, visit:

Extra Murine Hepatitis Virus (MHV) PCR Qualitative Quality Control

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Introduction

Murine Hepatitis Virus (MHV) is a coronavirus that primarily infects mice, causing significant research implications in laboratory animal studies. As an essential model for understanding coronaviruses, MHV requires precise detection methods, with PCR (Polymerase Chain Reaction) qualitative testing being the gold standard. Ensuring accurate and reliable MHV PCR qualitative testing necessitates rigorous quality control measures to validate test results and maintain laboratory accuracy.

Importance of MHV Detection in Research

MHV is widely studied due to its structural and genetic similarities to human coronaviruses, including SARS-CoV and SARS-CoV-2. This virus plays a critical role in virology and immunology research, making MHV PCR qualitative testing indispensable for maintaining pathogen-free laboratory environments (NIH, NCBI).

Key Reasons for MHV Detection:

  • Animal Health Monitoring: Prevents virus spread in research mouse colonies (CDC).
  • Coronavirus Research: Provides insights into pathogenesis, immunity, and therapeutic responses (NCBI).
  • Standardized Lab Practices: Maintains experimental reproducibility (FDA).
  • Biosafety Compliance: Ensures proper containment of pathogens in lab settings (WHO).

PCR-Based Detection of MHV

PCR is the most sensitive and specific technique for detecting MHV, distinguishing between infected and non-infected mice with high accuracy (PubMed). The qualitative PCR test confirms the presence or absence of viral RNA, making it essential for maintaining virus-free lab environments.

Advantages of PCR for MHV Detection

  • High Sensitivity & Specificity: Detects low viral loads accurately (FDA).
  • Rapid Turnaround Time: Provides results within hours (CDC).
  • Minimal Contamination Risk: Uses automated, closed-system PCR platforms (WHO).
  • Reliable Quality Control Measures: Ensures test reproducibility (NIH).

Quality Control in MHV PCR Testing

Effective quality control (QC) ensures that MHV PCR tests produce reliable and reproducible results. Laboratories must adhere to standardized protocols established by global health authorities.

Essential Quality Control Measures:

  1. Positive and Negative Controls – Ensures accuracy by running known positive and negative samples alongside test samples (CLSI).
  2. Standardized Sample Handling – Reduces pre-analytical errors through proper sample collection and storage (WHO).
  3. Reagent and Kit Validation – Regularly verifies the effectiveness of PCR reagents (FDA).
  4. Cross-Contamination Prevention – Implements strict laboratory workflows to minimize contamination risks (CDC).
  5. Regular Equipment Calibration – Ensures PCR machines provide consistent and accurate results (NIH).

Applications of MHV PCR Quality Control in Research

1. Prevention of False Positives and Negatives

QC measures help differentiate true infections from sample contamination, preventing misleading results in critical studies (FDA).

2. Ensuring Reproducibility in Studies

High-quality control standards maintain consistent results across different laboratories, ensuring reproducibility (WHO).

3. Biosafety and Laboratory Compliance

MHV research must adhere to biosafety guidelines to prevent accidental viral outbreaks in laboratory settings (CDC).

4. Optimization of Research Models

MHV-free mouse models are essential for highly controlled immunology and virology research (NIH).

Regulatory Guidelines for MHV PCR Quality Control

To ensure accurate MHV testing, laboratories follow strict regulatory frameworks provided by global health agencies.

Challenges in MHV PCR Quality Control

Despite advancements in PCR technology, maintaining quality control presents challenges:

  • Inter-Laboratory Variability: Differences in PCR methodologies can lead to inconsistent results (WHO).
  • Risk of Sample Contamination: Requires stringent protocols to avoid false positives (CDC).
  • Supply Chain Issues: Shortages of high-quality PCR reagents affect test accuracy (FDA).

Future Directions in MHV PCR Testing

The future of MHV PCR testing involves integrating next-generation sequencing (NGS) and digital PCR (dPCR) to enhance detection accuracy. Automated sample processing and artificial intelligence-driven quality control are also emerging trends (NIH).

Conclusion

MHV PCR Qualitative Quality Control is essential for ensuring accurate, reliable, and standardized testing in research and laboratory settings. Adhering to WHO, CDC, FDA, and CLSI guidelines guarantees high-quality results, ultimately improving the reproducibility and credibility of MHV-related studies. As technology advances, incorporating automated quality control measures and digital molecular diagnostics will further enhance the field of virology research.

For additional resources, visit:

 

Cytosolic Non-Specific Dipeptidase ELISA (CNDP2): A Critical Tool for Protein Quantification

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Introduction

Cytosolic non-specific dipeptidase (CNDP2) is a crucial enzyme involved in intracellular protein metabolism and amino acid recycling. CNDP2 is widely expressed in human tissues and plays an essential role in various physiological processes, including peptide degradation and metabolic regulation. The ELISA (Enzyme-Linked Immunosorbent Assay) for CNDP2 provides researchers and clinicians with a powerful tool to quantitatively measure this enzyme’s presence in biological samples. This article explores the importance of CNDP2, the advantages of using ELISA, and regulatory considerations in protein quantification.

 

Biological Role of CNDP2

CNDP2, also known as Carnosine Dipeptidase 2, is a member of the M20 family of metalloproteases (NCBI). This enzyme primarily functions to hydrolyze dipeptides in the cytosol, contributing to amino acid metabolism and cellular homeostasis (PubMed).

CNDP2 in Metabolic Processes

  • Protein and Peptide Degradation: CNDP2 catalyzes the hydrolysis of various dipeptides, playing a significant role in amino acid recycling (Protein Data Bank).
  • Antioxidant Regulation: The enzyme contributes to carnosine metabolism, which has antioxidant properties and potential neuroprotective effects (NIH).
  • Cancer and Disease Association: CNDP2 has been implicated in cancer metabolism and neurological disorders (National Cancer Institute).

The Importance of CNDP2 ELISA

ELISA is a widely used technique for detecting and quantifying proteins in biological samples. It is especially useful in research and clinical diagnostics due to its high specificity and sensitivity. CNDP2 ELISA provides valuable insights into enzyme activity and disease progression in different physiological and pathological contexts.

Advantages of ELISA in CNDP2 Detection

  • High Sensitivity & Specificity: ELISA can detect CNDP2 at nanogram-level concentrations, ensuring precise quantification (FDA).
  • Rapid and Reliable: The assay provides quick results with minimal sample preparation (CDC).
  • Standardized Protocols: Ensures reproducibility across different laboratories (WHO).
  • Cost-Effective: Compared to mass spectrometry and Western blotting, ELISA is more accessible for large-scale studies (CLSI).

Applications of CNDP2 ELISA in Research and Medicine

1. Biomedical Research

Researchers utilize CNDP2 ELISA to study the enzyme’s role in various biological pathways and diseases. This method is widely used to monitor expression levels in cancer, metabolic syndromes, and neurological disorders (NIH).

2. Disease Biomarker Identification

CNDP2 expression has been linked to cancer progression, making it a potential biomarker for disease detection and prognosis (PubMed).

3. Pharmaceutical and Drug Development

ELISA assays help screen potential inhibitors of CNDP2 activity, which could lead to new therapeutic strategies for metabolic and neurological disorders (FDA Drug Development).

4. Clinical Diagnostics

Quantifying CNDP2 levels in patient samples assists in disease diagnosis and monitoring of treatment responses (CDC Laboratory Standards).

Regulatory Considerations for CNDP2 ELISA

To ensure accurate and reproducible results, laboratories must comply with established quality control and regulatory standards.

  • World Health Organization (WHO) – Provides guidelines for diagnostic assay validation (WHO Laboratory Guidance).
  • Clinical and Laboratory Standards Institute (CLSI) – Establishes best practices for immunoassay development (CLSI Molecular Guidelines).
  • U.S. Food and Drug Administration (FDA) – Regulates ELISA-based diagnostic kits for clinical use (FDA IVD Regulations).
  • Centers for Disease Control and Prevention (CDC) – Provides laboratory quality control measures to enhance assay performance (CDC Laboratory Quality).

Challenges in CNDP2 Quantification

Despite the advantages of ELISA, some challenges remain in CNDP2 measurement:

  • Sample Variability: Differences in biological samples can affect enzyme activity and concentration (WHO Laboratory Testing).
  • Cross-Reactivity: Some antibodies may react with structurally similar proteins, leading to false-positive results (FDA Reference Materials).
  • Assay Standardization: Differences in assay kits and protocols can lead to variations in results, emphasizing the need for standardized quality control measures (CDC Lab Standards).

Future Directions and Innovations

Recent advancements in multiplex ELISA and digital immunoassays are improving the sensitivity and specificity of CNDP2 detection. Emerging technologies such as microfluidic ELISA platforms and automated high-throughput screening hold promise for enhancing diagnostic capabilities (NIH Advanced Molecular Testing).

Conclusion

The Cytosolic Non-Specific Dipeptidase (CNDP2) ELISA is a crucial tool for understanding protein metabolism and its role in disease. It provides a reliable and efficient method for measuring CNDP2 levels in research and clinical settings. Compliance with WHO, FDA, CLSI, and CDC guidelines ensures accurate, reproducible, and high-quality diagnostic results. As technology advances, the future of CNDP2 quantification promises even greater precision and clinical applicability.

For further information, visit:

 

Human Parvovirus B19 PCR Quantitative Quality Control L1: A Critical Tool in Diagnostic Virology

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Introduction

Human Parvovirus B19 is a small, non-enveloped DNA virus that primarily causes erythema infectiosum (Fifth Disease) and is associated with more severe conditions such as aplastic anemia and hydrops fetalis. Accurate detection and quantification of B19 DNA are essential for clinical diagnosis, blood donor screening, and epidemiological studies. The PCR Quantitative Quality Control L1 is a critical component in ensuring the reliability and accuracy of molecular testing for this virus.

Human Parvovirus B19: Clinical Significance and Molecular Diagnosis

Human Parvovirus B19 primarily targets erythroid progenitor cells, leading to transient anemia, particularly in individuals with underlying hematologic conditions. Infection is particularly concerning in pregnant women and immunocompromised patients (CDC).

Polymerase Chain Reaction (PCR) is the gold standard for detecting B19 DNA due to its high sensitivity and specificity. Quantitative PCR (qPCR) allows for precise measurement of viral load, which is crucial for monitoring infection progression and treatment response (NIH).

Importance of PCR Quantitative Quality Control L1

The PCR Quantitative Quality Control L1 is a standardized reference material used in laboratory quality assurance programs. It ensures consistency in PCR assays by monitoring assay performance, detecting potential contamination, and validating results (WHO).

Key Functions of Quality Control L1:

  • Assay Validation: Ensures the accuracy and precision of qPCR-based B19 detection (FDA).
  • Reproducibility: Helps standardize results across different laboratories and diagnostic platforms (CLSI).
  • Contamination Monitoring: Detects potential contamination or cross-reactivity in PCR assays (CDC).
  • Performance Tracking: Evaluates test sensitivity and specificity over time (CAP).

Standardized Testing Procedures and Regulatory Guidelines

To ensure high-quality diagnostic testing, laboratories must adhere to international guidelines set by organizations such as:

  • World Health Organization (WHO) – Provides standards for virological testing and quality assurance (WHO Laboratory Guidance).
  • Clinical and Laboratory Standards Institute (CLSI) – Establishes best practices for molecular diagnostics (CLSI Molecular Guidelines).
  • U.S. Food and Drug Administration (FDA) – Regulates in vitro diagnostic tests, including qPCR assays (FDA IVD).

Applications of B19 PCR Quantitative Quality Control

1. Clinical Diagnostics

Quantitative PCR is widely used in diagnosing acute B19 infection, particularly in high-risk patients such as pregnant women and immunocompromised individuals. Quality Control L1 ensures the reliability of these critical tests (PubMed).

2. Blood Screening

Blood banks use qPCR to screen donations for B19 contamination, as the virus can be transmitted via blood products (AABB). Regular quality control assessments help maintain blood safety standards (CDC Blood Safety).

3. Epidemiological Surveillance

Tracking the prevalence of B19 in populations requires accurate molecular diagnostics. PCR quality control ensures that surveillance data are reliable and comparable across different study sites (WHO Epidemiology).

4. Vaccine and Therapeutic Research

Researchers studying antiviral therapies and vaccine development rely on standardized qPCR assays to evaluate treatment efficacy. Quality control standards are essential for producing reproducible and validated results (NIH Clinical Trials).

Challenges in B19 PCR Quality Control

Despite advancements in molecular diagnostics, challenges remain in ensuring high-quality results:

  • Variability Between Assay Platforms: Different PCR systems may yield varying results, underscoring the need for uniform quality control measures (CDC Laboratory Standards).
  • Contamination Risks: False positives due to laboratory contamination can compromise diagnostic accuracy (WHO Laboratory Safety).
  • Standard Reference Material Availability: Access to certified reference materials can be limited in certain regions, affecting test standardization (FDA Reference Materials).

Future Directions

Advancements in digital PCR (dPCR) and next-generation sequencing (NGS) are improving B19 detection accuracy. Implementing automated quality control measures can further enhance diagnostic reliability (NIH Advanced Molecular Testing).

Conclusion

Human Parvovirus B19 PCR Quantitative Quality Control L1 is essential for maintaining the accuracy, reliability, and standardization of molecular diagnostics. With its applications spanning clinical diagnostics, blood screening, epidemiology, and research, it plays a crucial role in disease management and public health. Compliance with regulatory guidelines from the WHO, FDA, CLSI, and CDC ensures high-quality testing and reliable patient outcomes.

For further information, visit CDC Parvovirus B19, FDA Laboratory Guidelines, and WHO Virology Standards.

 

Understanding the Human Proton Myo-Inositol Cotransporter (SLC2A13) and Its Role in Biomedical Research

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Introduction

The human proton myo-inositol cotransporter (SLC2A13), also known as HMIT, is a crucial membrane transport protein that facilitates the uptake of myo-inositol, a key molecule involved in cell signaling and osmoregulation. This transporter is primarily expressed in the brain, where it plays a significant role in neural function and cognitive processes. Understanding the physiological and pathological implications of SLC2A13 is essential for advancing research in neurological disorders, including Alzheimer’s disease. In this article, we explore the function, structure, and diagnostic tools used to study SLC2A13, particularly the Enzyme-Linked Immunosorbent Assay (ELISA).

Structure and Function of SLC2A13

SLC2A13 is part of the glucose transporter (GLUT) family, specifically the solute carrier 2 family (SLC2). Unlike other glucose transporters, SLC2A13 operates as a proton-coupled transporter, relying on a proton gradient to facilitate myo-inositol uptake. This distinguishes it from passive glucose transporters such as GLUT1 or GLUT4 (UniProt).

Expression and Physiological Role

SLC2A13 is predominantly expressed in the brain, particularly in regions such as the cerebral cortex, hippocampus, and amygdala (The Human Protein Atlas). Its localization suggests a significant role in neural signal transduction, synaptic plasticity, and cognitive functions. Research indicates that myo-inositol transport is critical for maintaining phosphatidylinositol signaling pathways, which are involved in neurotransmission and neuroprotection.

SLC2A13 and Neurodegenerative Diseases

Recent studies have suggested that SLC2A13 is associated with Alzheimer’s disease due to its potential involvement in amyloid-beta production. Amyloid-beta accumulation is a hallmark of Alzheimer’s pathology, and disruptions in inositol metabolism have been linked to neurodegeneration (NCBI Gene).

Myo-inositol is a precursor for inositol phosphates and phosphatidylinositol, which are essential for maintaining cellular homeostasis. Dysregulation of inositol transport can lead to altered phosphoinositide signaling, which in turn may contribute to cognitive decline and neurodegeneration (PubMed).

The Importance of ELISA in SLC2A13 Research

Enzyme-Linked Immunosorbent Assay (ELISA) is a widely used analytical technique for detecting and quantifying proteins, including SLC2A13. This method allows researchers to measure SLC2A13 expression levels in various biological samples such as plasma, serum, and brain tissue extracts.

How ELISA Works

ELISA is based on the antigen-antibody reaction. Specific antibodies targeting SLC2A13 are immobilized on a microplate, allowing the capture and quantification of the target protein from biological samples. Detection is typically achieved through colorimetric or fluorometric readouts, providing high sensitivity and specificity (NIH Assay Guidance Manual).

Applications of ELISA in Neuroscience

Researchers use ELISA to study SLC2A13 expression in neurological disorders. By quantifying SLC2A13 levels in patient samples, scientists can investigate potential correlations between its expression and disease states such as Alzheimer’s or bipolar disorder (National Institute on Aging).

Several commercial ELISA kits are available for detecting SLC2A13. These kits typically offer high specificity and sensitivity, making them valuable tools for studying the protein’s role in health and disease (LSBio, MyBiosource).

Future Directions and Clinical Implications

Given the critical role of SLC2A13 in brain function, further research is needed to elucidate its involvement in neurodegenerative and psychiatric disorders. Advanced techniques such as single-cell RNA sequencing and proteomics may provide deeper insights into the molecular mechanisms regulated by SLC2A13 (Human Genome Research Institute).

Potential therapeutic strategies targeting SLC2A13 could involve modulating its expression or function to improve inositol metabolism in neurodegenerative diseases. For example, pharmacological agents that enhance myo-inositol uptake may hold promise for treating cognitive disorders (FDA Drug Development).

Conclusion

SLC2A13 is a key transporter involved in myo-inositol uptake, playing a crucial role in brain physiology and disease. Understanding its function and regulation is vital for developing novel therapeutic strategies for neurodegenerative disorders. ELISA-based detection methods offer a reliable approach for quantifying SLC2A13 levels, facilitating research into its potential as a biomarker and drug target. Continued studies on SLC2A13 could pave the way for new treatments for Alzheimer’s disease and other neurological conditions.

For further information, explore resources from the National Institutes of Health, Centers for Disease Control and Prevention, and PubMed.

 

Ultra-Universal TOPO Cloning Kit: A Comprehensive Overview

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The Ultra-Universal TOPO Cloning Kit is a versatile and highly efficient cloning system designed for the rapid and precise cloning of PCR-amplified DNA fragments into a vector. This kit streamlines the process of molecular cloning by utilizing topoisomerase I-mediated ligation, making it ideal for researchers working in gene cloning, functional genomics, and protein expression studies.

Key Features of the Ultra-Universal TOPO Cloning Kit

  1. Topoisomerase I Technology: The kit uses topoisomerase I to cleave and rejoin DNA strands, eliminating the need for traditional ligases. This enzyme efficiently attaches PCR products to the vector, ensuring fast and reliable cloning. Learn more about topoisomerase’s role in molecular cloning at NCBI.
  2. High Efficiency: The Ultra-Universal TOPO Cloning Kit provides a high transformation efficiency, allowing for the rapid generation of recombinant clones. It reduces time and complexity, ensuring a high success rate with fewer steps. For more on improving cloning efficiency, visit NIH.gov.
  3. Versatility in Vector Selection: The kit is compatible with a wide range of PCR products, including blunt-end and sticky-end DNA fragments. This versatility makes it suitable for cloning diverse genetic material, such as cDNAs, gene knockouts, or CRISPR-edited sequences. Explore more about the cloning process at FDA.gov.
  4. Streamlined Protocol: With pre-prepared components and minimal hands-on time, the kit allows users to complete cloning reactions in less than 30 minutes. The protocol is user-friendly, making it accessible for researchers at all experience levels.

Applications of the Ultra-Universal TOPO Cloning Kit

  1. Gene Cloning: The kit is widely used for cloning PCR-amplified genes for functional studies, gene expression analysis, and mutagenesis. The rapid cloning capability makes it highly effective for generating constructs for downstream applications such as protein expression. Resources on gene cloning protocols can be found at NIH.
  2. Protein Expression Studies: This kit is ideal for cloning genes into expression vectors, which are then used to produce recombinant proteins in various systems, including bacterial, yeast, or mammalian cells. For more information on protein expression systems, visit ScienceDirect.
  3. Functional Genomics and Gene Knockouts: The kit is frequently used in projects aimed at understanding gene function. Researchers can clone and manipulate specific genes to study their roles in biological pathways. Explore more at PubMed.
  4. CRISPR/Cas9 Gene Editing: The Ultra-Universal TOPO Cloning Kit can be employed to clone guide RNAs and Cas9 constructs, facilitating precise gene editing. For insights on cloning techniques in gene editing, visit NCBI.

Advantages of TOPO Cloning Technology

  • Rapid and Simple Cloning: TOPO cloning significantly reduces the time required to insert PCR products into a vector. The reaction occurs in a single step, without the need for ligases or restriction enzymes. Learn more about TOPO cloning efficiency at FDA.gov.
  • No Need for PCR Product Purification: The Ultra-Universal TOPO Cloning Kit allows for direct cloning from PCR reactions, eliminating the need for additional purification steps. This speeds up the workflow and reduces potential sample loss.
  • Compatibility with Multiple Vector Types: Whether working with blunt or sticky ends, the kit offers flexibility in vector selection, making it adaptable for a variety of experimental needs. For detailed vector maps and cloning strategies, refer to Grants.gov.

Protocol Overview

  1. PCR Amplification: Amplify your target DNA fragment using high-fidelity polymerase to ensure accuracy. The Ultra-Universal TOPO Cloning Kit is compatible with both blunt and sticky-end PCR products. For more on high-fidelity PCR, refer to Science.gov.
  2. TOPO Cloning Reaction: Add the amplified PCR product directly to the TOPO vector and incubate for 5 to 10 minutes. The topoisomerase enzyme will ligate the PCR product into the vector.
  3. Transformation: Introduce the ligated vector into competent cells using heat-shock or electroporation methods. After incubation, plate the transformed cells on selective media to identify positive colonies. Transformation protocols can be found at CDC.gov.
  4. Colony Screening and Verification: Screen colonies for successful integration of the PCR product using colony PCR or restriction enzyme analysis. Positive clones can be further verified by sequencing.

Key Considerations for Success

  • Insert Size and Vector Compatibility: Ensure that your PCR product is compatible with the vector used in the TOPO cloning reaction. Larger inserts may require adjustments in reaction conditions. For vector and insert size guidelines, visit NIST.gov.
  • High-Fidelity Amplification: Use high-fidelity polymerases to reduce the risk of introducing mutations during PCR amplification, which can affect cloning accuracy.
  • Efficient Transformation: Ensure that the competent cells used for transformation are highly efficient to maximize cloning success. For tips on improving transformation efficiency, visit NCBI.

Advantages of the Ultra-Universal TOPO Cloning Kit

  • High Speed: With cloning reactions complete in under 30 minutes, this kit is one of the fastest available for molecular cloning applications.
  • Accuracy: The topoisomerase enzyme ensures accurate ligation of PCR products into the vector, with minimal errors.
  • Versatility: The kit’s broad compatibility with different types of PCR products (blunt or sticky ends) and vectors makes it highly adaptable for various molecular biology applications.
  • Efficiency: High transformation efficiency ensures that even low-abundance PCR products can be successfully cloned, saving time and resources in the lab.

Limitations and Troubleshooting

  • Non-Specific Products: Non-specific amplification during PCR can lead to unwanted products in the cloning reaction. Gel purification of the PCR product can help improve cloning accuracy by isolating the desired fragment. For troubleshooting non-specific products, visit PubMed.
  • Insert Size Limitations: While the Ultra-Universal TOPO Cloning Kit can handle a wide range of insert sizes, very large fragments may require specialized conditions or alternative cloning strategies.

Conclusion

The Ultra-Universal TOPO Cloning Kit provides a rapid, efficient, and user-friendly solution for cloning PCR products. Whether you are working in gene cloning, protein expression, or gene editing, this kit simplifies the process and delivers high-quality results with minimal steps. Its compatibility with a wide range of vectors and PCR products makes it an essential tool for molecular biologists.

For more technical details and resources, explore trusted sources such as NIH, FDA, and NCBI, where you can find detailed protocols and support for enhancing the accuracy and efficiency of your cloning experiments.

A mid-Pleistocene rainforest corridor enabled synchronous invasions of the Atlantic Forest by Amazonian anole lizards.

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A mid-Pleistocene rainforest corridor enabled synchronous invasions of the Atlantic Forest by Amazonian anole lizards.

Shifts within the geographic distribution of habitats over time can promote dispersal and vicariance, thereby influencing large-scale biogeographic patterns and ecological processes. An instance is that of transient corridors of appropriate habitat throughout disjunct however ecologically related areas, which have been related to local weather change over time. Such connections probably performed a job within the meeting of tropical communities, particularly inside the extremely various Amazonian and Atlantic rainforests of South America.

Though these forests are presently separated by open and dry ecosystems, paleoclimatic and phylogenetic proof recommend that they’ve been transiently related up to now. Nevertheless, little is thought in regards to the timing, magnitude and the distribution of former forest connections. We make use of sequence information at a number of loci from three codistributed arboreal lizards (Anolis punctatus, Anolis ortonii and Polychrus marmoratus) to deduce the phylogenetic relationships amongst Amazonian and Atlantic Forest populations and to check various historic demographic eventualities of colonization and vicariance utilizing coalescent simulations and approximate Bayesian computation (ABC).

Knowledge from the better-sampled Anolis species help colonization of the Atlantic Forest from japanese Amazonia. Hierarchical ABC signifies that the three species colonized the Atlantic Forest synchronously in the course of the mid-Pleistocene. We discover help of inhabitants bottlenecks related to founder occasions within the two Anolis, however not in P. marmoratus, persistently with their distinct ecological tolerances. Our findings help that climatic fluctuations supplied key alternatives for dispersal and forest colonization in japanese South America by means of the cessation of environmental obstacles. Proof of species-specific histories strengthens assertions that organic attributes play a job in responses to shared environmental change.

The Anolis Lizard Genome: An Amniote Genome with out Isochores?

Two articles revealed 5 years in the past concluded that the genome of the lizard Anolis carolinensis is an amniote genome with out isochores. This declare was apparently contradicting earlier outcomes on the overall presence of an isochore group in all vertebrate genomes examined (together with Anolis). On this investigation, we exhibit that the Anolis genome is certainly heterogeneous in base composition, since its macrochromosomes comprise isochores primarily from the L2 and H1 households (a reasonably GC-poor and a reasonably GC-rich household, respectively), and for the reason that majority of the sequenced microchromosomes consists of H1 isochores.

These households are related to completely different options of genome construction, together with gene density and compositional correlations (e.g., GC3 vs flanking sequence GC and intron GC), as within the case of mammalian and avian genomes. Furthermore, the assembled Anolis chromosomes have an unlimited variety of gaps, which might be as a result of sequencing issues in GC-rich areas of the genome. In conclusion, the Anolis genome isn’t any exception to the overall rule of an isochore group within the genomes of vertebrates (and different eukaryotes).

Adaptive radiations present distinctive alternatives to check whether or not and the way latest ecological and evolutionary diversification of host species buildings the composition of whole bacterial communities. We used 16S rRNA gene sequencing of faecal samples to check for variations within the intestine microbiota of six species of Puerto Rican Anolis lizards characterised by the evolution of distinct ‘ecomorphs’ associated to variations in habitat use. Comparisons of those populations with allopatric conspecifics additionally revealed geographic variations in bacterial alpha range and beta range inside every species.

We discovered substantial variation within the composition of the microbiota inside every species and ecomorph (trunk-crown, trunk-ground, grass-bush), however no variations in bacterial alpha range amongst species or ecomorphs. Beta range analyses revealed refined however important variations in bacterial composition associated to host phylogeny and species, however these variations weren’t persistently related to Anolis ecomorph. Comparability of a trunk-ground species from this clade (A. cristatellus) with a distantly associated member of the identical ecomorph class (A. sagrei) the place the 2 species have been launched and are actually sympatric in Florida revealed pronounced variations within the alpha range and beta range of their microbiota regardless of their ecological similarity.

A mid-Pleistocene rainforest corridor enabled synchronous invasions of the Atlantic Forest by Amazonian anole lizards.

Complete primer design for evaluation of inhabitants genetics in non-sequenced organisms.

Nuclear sequence markers are useful gizmo for the examine of the historical past of populations and adaptation. Nevertheless, it’s not straightforward to acquire a number of nuclear primers for organisms with poor or no genomic sequence data. Right here we used the genomes of organisms which were totally sequenced to design complete units of primers to amplify polymorphic genomic fragments of a number of nuclear genes in non-sequenced organisms.
First, we recognized a lot of candidate polymorphic areas that have been flanked on both sides by conserved areas within the reference genomes. We then designed primers primarily based on these conserved sequences and examined whether or not the primers might be used to amplify sequences in goal species, montane brown frog (Rana ornativentris), anole lizard (Anolis sagrei), guppy (Poecilia reticulata), and fruit fly (Drosophila melanogaster), for inhabitants genetic evaluation. We efficiently obtained polymorphic markers for all goal species studied.

Goat Angiotensin 1 ELISA kit
E06A0201-48wellsplate 48 wells plate
EUR 280

Goat Angiotensin 1 ELISA kit
E06A0201-96 1 plate of 96 wells
EUR 822
Description: A sandwich ELISA for quantitative measurement of Goat Angiotensin 1 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin 1 ELISA kit
E06A0201-96wellsplate 96 wells plate
EUR 405

Goat Angiotensin 1 ELISA Kit
MBS735912-10x96StripWells 10x96-Strip-Wells
EUR 5685

Goat Angiotensin 1 ELISA Kit
MBS735912-48StripWells 48-Strip-Wells
EUR 485

Goat Angiotensin 1 ELISA Kit
MBS735912-5x96StripWells 5x96-Strip-Wells
EUR 3020

Goat Angiotensin 1 ELISA Kit
MBS735912-96StripWells 96-Strip-Wells
EUR 690

Goat Angiotensin (1-7) ELISA kit
E01A43768 96T
EUR 700
Description: ELISA

Goat Angiotensin 1-9 ELISA Kit
MBS092961-INQUIRE INQUIRE Ask for price

Goat Angiotensin (1-7) ELISA kit
E06A0206-192T 192 tests
EUR 1524
Description: A competitive ELISA for quantitative measurement of Goat Angiotensin (1-7) in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin (1-7) ELISA kit
E06A0206-48 1 plate of 48 wells
EUR 624
Description: A competitive ELISA for quantitative measurement of Goat Angiotensin (1-7) in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin (1-7) ELISA kit
E06A0206-48wellsplate 48 wells plate
EUR 280

Goat Angiotensin (1-7) ELISA kit
E06A0206-96 1 plate of 96 wells
EUR 822
Description: A competitive ELISA for quantitative measurement of Goat Angiotensin (1-7) in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin (1-7) ELISA kit
E06A0206-96wellsplate 96 wells plate
EUR 405

Goat Angiotensin (1-7) ELISA Kit
MBS736993-10x96StripWells 10x96-Strip-Wells
EUR 5685

Goat Angiotensin (1-7) ELISA Kit
MBS736993-48StripWells 48-Strip-Wells
EUR 485

Goat Angiotensin (1-7) ELISA Kit
MBS736993-5x96StripWells 5x96-Strip-Wells
EUR 3020

Goat Angiotensin (1-7) ELISA Kit
MBS736993-96StripWells 96-Strip-Wells
EUR 690

Goat Angiotensin 2 ELISA kit
E01A43766 96T
EUR 700
Description: ELISA

Goat Angiotensin 3 ELISA kit
E01A43767 96T
EUR 700
Description: ELISA

Goat Angiotensin IV ELISA Kit
E01A45303 96T
EUR 700
Description: ELISA

Goat Angiotensin 4 ELISA Kit
MBS008397-INQUIRE INQUIRE Ask for price

Goat Angiotensin 3 ELISA Kit
MBS035728-INQUIRE INQUIRE Ask for price

Goat Angiotensin 2 ELISA Kit
MBS011259-INQUIRE INQUIRE Ask for price

Goat Angiotensin IV ELISA Kit
E06A4283-48wellsplate 48 wells plate
EUR 280

Goat Angiotensin IV ELISA Kit
E06A4283-96wellsplate 96 wells plate
EUR 405

Goat Angiotensin 2 ELISA kit
E06A0204-192T 192 tests
EUR 1524
Description: A sandwich ELISA for quantitative measurement of Goat Angiotensin 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin 2 ELISA kit
E06A0204-48 1 plate of 48 wells
EUR 624
Description: A sandwich ELISA for quantitative measurement of Goat Angiotensin 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin 2 ELISA kit
E06A0204-48wellsplate 48 wells plate
EUR 280

Goat Angiotensin 2 ELISA kit
E06A0204-96 1 plate of 96 wells
EUR 822
Description: A sandwich ELISA for quantitative measurement of Goat Angiotensin 2 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin 2 ELISA kit
E06A0204-96wellsplate 96 wells plate
EUR 405

Goat Angiotensin 3 ELISA kit
E06A0205-192T 192 tests
EUR 1524
Description: A sandwich ELISA for quantitative measurement of Goat Angiotensin 3 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin 3 ELISA kit
E06A0205-48 1 plate of 48 wells
EUR 624
Description: A sandwich ELISA for quantitative measurement of Goat Angiotensin 3 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin 3 ELISA kit
E06A0205-48wellsplate 48 wells plate
EUR 280

Goat Angiotensin 3 ELISA kit
E06A0205-96 1 plate of 96 wells
EUR 822
Description: A sandwich ELISA for quantitative measurement of Goat Angiotensin 3 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin 3 ELISA kit
E06A0205-96wellsplate 96 wells plate
EUR 405

Goat Angiotensin 2 ELISA Kit
MBS739397-10x96StripWells 10x96-Strip-Wells
EUR 5685

Goat Angiotensin 2 ELISA Kit
MBS739397-48StripWells 48-Strip-Wells
EUR 485

Goat Angiotensin 2 ELISA Kit
MBS739397-5x96StripWells 5x96-Strip-Wells
EUR 3020

Goat Angiotensin 2 ELISA Kit
MBS739397-96StripWells 96-Strip-Wells
EUR 690

Goat Angiotensin IV ELISA Kit
MBS7274335-10x96StripWells 10x96-Strip-Wells
EUR 5685

Goat Angiotensin IV ELISA Kit
MBS7274335-48StripWells 48-Strip-Wells
EUR 485

Goat Angiotensin IV ELISA Kit
MBS7274335-5x96StripWells 5x96-Strip-Wells
EUR 3020

Goat Angiotensin IV ELISA Kit
MBS7274335-96StripWells 96-Strip-Wells
EUR 690

Goat Angiotensin 3 ELISA Kit
MBS743606-10x96StripWells 10x96-Strip-Wells
EUR 5685

Goat Angiotensin 3 ELISA Kit
MBS743606-48StripWells 48-Strip-Wells
EUR 485

Goat Angiotensin 3 ELISA Kit
MBS743606-5x96StripWells 5x96-Strip-Wells
EUR 3020

Goat Angiotensin 3 ELISA Kit
MBS743606-96StripWells 96-Strip-Wells
EUR 690

Goat Angiotensin 1 (ANG-1) ELISA Kit
MBS285993-10x96StripWells 10x96-Strip-Wells
EUR 6255

Goat Angiotensin 1 (ANG-1) ELISA Kit
MBS285993-48StripWells 48-Strip-Wells
EUR 445

Goat Angiotensin 1 (ANG-1) ELISA Kit
MBS285993-5x96StripWells 5x96-Strip-Wells
EUR 3290

Goat Angiotensin 1 (ANG-1) ELISA Kit
MBS285993-96StripWells 96-Strip-Wells
EUR 730

Goat Angiotensin Receptor 1 ELISA kit
E01A45178 96T
EUR 700
Description: ELISA

Goat Angiotensin Receptor 1 ELISA kit
E06A2158-192T 192 tests
EUR 1524
Description: A competitive for quantitative measurement of Goat Angiotensin Receptor 1 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin Receptor 1 ELISA kit
E06A2158-48 1 plate of 48 wells
EUR 624
Description: A competitive for quantitative measurement of Goat Angiotensin Receptor 1 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin Receptor 1 ELISA kit
E06A2158-48wellsplate 48 wells plate
EUR 280

Goat Angiotensin Receptor 1 ELISA kit
E06A2158-96 1 plate of 96 wells
EUR 822
Description: A competitive for quantitative measurement of Goat Angiotensin Receptor 1 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin Receptor 1 ELISA kit
E06A2158-96wellsplate 96 wells plate
EUR 405

Goat Angiotensin Receptor 1 ELISA Kit
MBS7258429-10x96StripWells 10x96-Strip-Wells
EUR 5685

Goat Angiotensin Receptor 1 ELISA Kit
MBS7258429-48StripWells 48-Strip-Wells
EUR 485

Goat Angiotensin Receptor 1 ELISA Kit
MBS7258429-5x96StripWells 5x96-Strip-Wells
EUR 3020

Goat Angiotensin Receptor 1 ELISA Kit
MBS7258429-96StripWells 96-Strip-Wells
EUR 690

Goat Angiotensin 2- 7 ELISA kit
E01A43756 96T
EUR 700
Description: ELISA

Goat Angiotensin 2-7 ELISA Kit
MBS010340-INQUIRE INQUIRE Ask for price

Goat Angiotensin 2- 7 ELISA kit
E06A0113-192T 192 tests
EUR 1524
Description: A competitive ELISA for quantitative measurement of Goat Angiotensin 2- 7 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin 2- 7 ELISA kit
E06A0113-48 1 plate of 48 wells
EUR 624
Description: A competitive ELISA for quantitative measurement of Goat Angiotensin 2- 7 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin 2- 7 ELISA kit
E06A0113-48wellsplate 48 wells plate
EUR 280

Goat Angiotensin 2- 7 ELISA kit
E06A0113-96 1 plate of 96 wells
EUR 822
Description: A competitive ELISA for quantitative measurement of Goat Angiotensin 2- 7 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin 2- 7 ELISA kit
E06A0113-96wellsplate 96 wells plate
EUR 405

Goat Angiotensin 2-7 ELISA Kit
MBS748266-10x96StripWells 10x96-Strip-Wells
EUR 5685

Goat Angiotensin 2-7 ELISA Kit
MBS748266-48StripWells 48-Strip-Wells
EUR 485

Goat Angiotensin 2-7 ELISA Kit
MBS748266-5x96StripWells 5x96-Strip-Wells
EUR 3020

Goat Angiotensin 2-7 ELISA Kit
MBS748266-96StripWells 96-Strip-Wells
EUR 690

Goat Angiotensin(ANG) ELISA Kit
EIA05043Go each
EUR 520

Goat Angiotensin (ANG) ELISA Kit
MBS269010-10x96StripWells 10x96-Strip-Wells
EUR 3545

Goat Angiotensin (ANG) ELISA Kit
MBS269010-48StripWells 48-Strip-Wells
EUR 310

Goat Angiotensin (ANG) ELISA Kit
MBS269010-5x96StripWells 5x96-Strip-Wells
EUR 1940

Goat Angiotensin (ANG) ELISA Kit
MBS269010-96StripWells 96-Strip-Wells
EUR 475

Goat Angiotensin(ANG) ELISA Kit
NSL1354Gt 96T
EUR 528
Description: Sandwich ELISA

Angiotensin ELISA Kit (Goat) (OKEH04795)
OKEH04795 96 Wells
EUR 496.8
Description: Description of target: ;Species reactivity: Goat;Application: ;Assay info: Assay Methodology: Quantitative Competitive Inhibition Immunoassay;Sensitivity:

Goat Angiotensin II Receptor 1 ELISA kit
E01A43883 96T
EUR 700
Description: ELISA

Goat Angiotensin II Receptor 1 ELISA Kit
MBS004992-INQUIRE INQUIRE Ask for price

Goat Angiotensin II Receptor 1 ELISA kit
E06A0495-192T 192 tests
EUR 1524
Description: A competitive ELISA for quantitative measurement of Goat Angiotensin II Receptor 1 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin II Receptor 1 ELISA kit
E06A0495-48 1 plate of 48 wells
EUR 624
Description: A competitive ELISA for quantitative measurement of Goat Angiotensin II Receptor 1 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin II Receptor 1 ELISA kit
E06A0495-48wellsplate 48 wells plate
EUR 280

Goat Angiotensin II Receptor 1 ELISA kit
E06A0495-96 1 plate of 96 wells
EUR 822
Description: A competitive ELISA for quantitative measurement of Goat Angiotensin II Receptor 1 in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin II Receptor 1 ELISA kit
E06A0495-96wellsplate 96 wells plate
EUR 405

Goat Angiotensin II Receptor 1 ELISA Kit
MBS738577-10x96StripWells 10x96-Strip-Wells
EUR 5685

Goat Angiotensin II Receptor 1 ELISA Kit
MBS738577-48StripWells 48-Strip-Wells
EUR 485

Goat Angiotensin II Receptor 1 ELISA Kit
MBS738577-5x96StripWells 5x96-Strip-Wells
EUR 3020

Goat Angiotensin II Receptor 1 ELISA Kit
MBS738577-96StripWells 96-Strip-Wells
EUR 690

Goat Angiotensin 1-7 (ANG 1-7) ELISA Kit
MBS2608504-10x96StripWells 10x96-Strip-Wells
EUR 3545

Goat Angiotensin 1-7 (ANG 1-7) ELISA Kit
MBS2608504-48StripWells 48-Strip-Wells
EUR 310

Goat Angiotensin 1-7 (ANG 1-7) ELISA Kit
MBS2608504-5x96StripWells 5x96-Strip-Wells
EUR 1940

Goat Angiotensin 1-7 (ANG 1-7) ELISA Kit
MBS2608504-96StripWells 96-Strip-Wells
EUR 475

Goat Angiotensin 1-7 (ANG1-7) ELISA kit
E06A0225-192T 192 tests
EUR 1524
Description: A competitive ELISA for quantitative measurement of Goat Angiotensin 1-7 (ANG1-7) in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin 1-7 (ANG1-7) ELISA kit
E06A0225-48 1 plate of 48 wells
EUR 624
Description: A competitive ELISA for quantitative measurement of Goat Angiotensin 1-7 (ANG1-7) in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin 1-7 (ANG1-7) ELISA kit
E06A0225-96 1 plate of 96 wells
EUR 822
Description: A competitive ELISA for quantitative measurement of Goat Angiotensin 1-7 (ANG1-7) in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin(ANG II) ELISA Kit
EIA05044Go each
EUR 520

Goat Angiotensin (ANG II) ELISA Kit
MBS263938-10x96StripWells 10x96-Strip-Wells
EUR 3545

Goat Angiotensin (ANG II) ELISA Kit
MBS263938-48StripWells 48-Strip-Wells
EUR 310

Goat Angiotensin (ANG II) ELISA Kit
MBS263938-5x96StripWells 5x96-Strip-Wells
EUR 1940

Goat Angiotensin (ANG II) ELISA Kit
MBS263938-96StripWells 96-Strip-Wells
EUR 475

Goat Angiotensin(ANG II) ELISA Kit
NSL1353Gt 96T
EUR 528
Description: Sandwich ELISA

Goat Angiotensin 1 Receptor Antibody ELISA kit
E01A43752 96T
EUR 700
Description: ELISA

Goat Angiotensin 1 Receptor Antibody ELISA Kit
MBS007991-INQUIRE INQUIRE Ask for price

Goat Angiotensin 1 Receptor Antibody ELISA kit
E06A0109-192T 192 tests
EUR 1524
Description: A competitive ELISA for quantitative measurement of Goat Angiotensin 1 Receptor Antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin 1 Receptor Antibody ELISA kit
E06A0109-48 1 plate of 48 wells
EUR 624
Description: A competitive ELISA for quantitative measurement of Goat Angiotensin 1 Receptor Antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin 1 Receptor Antibody ELISA kit
E06A0109-48wellsplate 48 wells plate
EUR 280

Goat Angiotensin 1 Receptor Antibody ELISA kit
E06A0109-96 1 plate of 96 wells
EUR 822
Description: A competitive ELISA for quantitative measurement of Goat Angiotensin 1 Receptor Antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.

Goat Angiotensin 1 Receptor Antibody ELISA kit
E06A0109-96wellsplate 96 wells plate
EUR 405

Goat Angiotensin 1 Receptor Antibody ELISA Kit
MBS742262-10x96StripWells 10x96-Strip-Wells
EUR 5685

Goat Angiotensin 1 Receptor Antibody ELISA Kit
MBS742262-48StripWells 48-Strip-Wells
EUR 485

Goat Angiotensin 1 Receptor Antibody ELISA Kit
MBS742262-5x96StripWells 5x96-Strip-Wells
EUR 3020

Goat Angiotensin 1 Receptor Antibody ELISA Kit
MBS742262-96StripWells 96-Strip-Wells
EUR 690

Goat Angiotensin I (Ang-I)  ELISA Kit
EIA05256Go each
EUR 520

Goat Angiotensin I (Ang-I) ELISA Kit
MBS264560-10x96StripWells 10x96-Strip-Wells
EUR 3545

Goat Angiotensin I (Ang-I) ELISA Kit
MBS264560-48StripWells 48-Strip-Wells
EUR 310

Goat Angiotensin I (Ang-I) ELISA Kit
MBS264560-5x96StripWells 5x96-Strip-Wells
EUR 1940

Goat Angiotensin I (Ang-I) ELISA Kit
MBS264560-96StripWells 96-Strip-Wells
EUR 475

Goat Angiotensin I(Ang-I) ELISA Kit
NSL1270Gt 96T
EUR 528
Description: Sandwich ELISA

Goat angiotensin Ⅱ(ANG-Ⅱ) Elisa Kit
EK771082 96 Wells
EUR 0.98

Goat Angiotensin 2,ANG-2 ELISA KIT
E0081GO-1096T 10*96T
EUR 4122

Goat Angiotensin 2,ANG-2 ELISA KIT
E0081GO-48wells 48 wells
EUR 300

Goat Angiotensin 2,ANG-2 ELISA KIT
E0081GO-596T 5*96T
EUR 2061

Goat Angiotensin 2,ANG-2 ELISA KIT
E0081GO-96wells 96 wells
EUR 458

Goat Angiotensin 2,ANG-2 ELISA KIT
JOT-EK0081GO 96 wells Ask for price
Description: Goat

Goat Angiotensin 2 (ANG-2) ELISA Kit
MBS284056-10x96StripWells 10x96-Strip-Wells
EUR 6255
As well as, we discovered that sequence identities of the areas between the primer websites within the reference genomes affected the experimental success of DNA amplification and identification of polymorphic loci within the goal genomes, and that exonic primers had the next success fee than intronic primers in amplifying readable sequences. We conclude that this comparative genomic strategy is a time- and cost-effective solution to acquire polymorphic markers for non-sequenced organisms, and that it’ll contribute to the additional growth of evolutionary ecology and inhabitants genetics for non-sequenced organisms, aiding within the understanding of the genetic foundation of adaptation.

The complete mitochondrial genome of Lacerta bilineata and comparison with its closely related congener L. Viridis.

by
The complete mitochondrial genome of Lacerta bilineata and comparison with its closely related congener L. Viridis.

We sequenced the mitochondrial genome of the Western inexperienced lizard (Lacerta bilineata) utilizing Illumina know-how and extra Sanger sequencing. The assembled 17 086 bp mitogenome had a GC content material of 40.32% and consisted of 13 protein-coding genes, 22 tRNA genes, two rRNA genes, and one management area (CR), with a gene order similar to the chordate consensus. As well as, we re-sequenced the mitogenome of the intently associated Jap inexperienced lizard L. viridis utilizing the identical methods as for L. bilineata.

The mitogenomes of L. bilineata and L. viridis confirmed a sequence identification of 94.4% and 99.9%, respectively, relative to the beforehand revealed L. viridis mitogenome. The phylogenetic reconstruction primarily based on 17 Lacertinae mitogenomes utilizing Anolis carolinensis because the outgroup supported L. bilineata and its sister species L. viridis as distinct lineages. On this examine, the expression of genes coding for α-, β- and γ-syns was analyzed within the inexperienced lizard Anolis carolinensis by semiquantitative RT-PCR and Western blot.

The synuclein (syn) household includes three proteins: α-, β- and γ-syns. In people, they’re concerned in neurodegenerative ailments equivalent to Parkinson’s illness and in tumors. Members of the syn household had been sequenced in consultant species of all vertebrates and the comparative evaluation of amino acid sequences means that syns are evolutionarily conserved, however details about their expression in vertebrate lineages remains to be scarce and fully missing in reptiles. Outcomes show good expression ranges of the three syns within the lizard nervous system, equally to human syns. This, along with the excessive identification between lizard and human syns, means that these proteins fulfill evolutionarily conserved features.

Accumulation of transposable components in Hox gene clusters throughout adaptive radiation of Anolis lizards.

Transposable components (TEs) are DNA sequences that may insert elsewhere within the genome and modify genome construction and gene regulation. The function of TEs in evolution is contentious. One speculation posits that TE exercise generates genomic incompatibilities that may trigger reproductive isolation between incipient species. This predicts that TEs will accumulate throughout speciation occasions. Right here, I examined the prediction that extant lineages with a comparatively excessive price of speciation have a excessive variety of TEs of their genomes.

I sequenced and analysed the TE content material of a marker genomic area (Hox clusters) in Anolis lizards, a basic case of an adaptive radiation. Not like different vertebrates, together with intently associated lizards, Anolis lizards have excessive numbers of TEs of their Hox clusters, genomic areas that regulate growth of the morphological variations that characterize habitat specialists in these lizards. Following a burst of TE exercise within the lineage resulting in extant Anolis, TEs have continued to build up throughout or after speciation occasions, leading to a constructive relationship between TE density and lineage speciation price. These outcomes are according to the prediction that TE exercise contributes to adaptive radiation by selling speciation.

Though there was no proof that TE density per se is related to ecological morphology, the exercise of TEs in Hox clusters may have been a wealthy supply for phenotypic variation which will have facilitated the fast parallel morphological adaptation to microhabitats seen in extant Anolis lizards. The MALAT1 (Metastasis-Related Lung Adenocarcinoma Transcript 1) gene encodes a noncoding RNA that’s processed into a protracted nuclear retained transcript (MALAT1) and a small cytoplasmic tRNA-like transcript (mascRNA).

Utilizing an RNA sequence– and structure-based covariance mannequin, we recognized greater than 130 genomic loci in vertebrate genomes containing the MALAT1 3′ finish triple-helix construction and its quick downstream tRNA-like construction, together with 44 within the inexperienced lizard Anolis carolinensis. Structural and computational analyses revealed a co-occurrence of parts of the three’ finish module. MALAT1-like genes in Anolis carolinensis are extremely expressed in grownup testis, thus we named them testis-abundant lengthy noncoding RNAs (tancRNAs). These findings recommend that differential regulation of microRNAs might play a task in coordinating the timing and expression of tons of of genes concerned in regeneration.

The complete mitochondrial genome of Lacerta bilineata and comparison with its closely related congener L. Viridis.

Differential expression of conserved and novel microRNAs throughout tail regeneration within the lizard Anolis carolinensis.

Lizards are evolutionarily probably the most intently associated vertebrates to people that may lose and regrow a complete appendage. Regeneration in lizards includes differential expression of tons of of genes that regulate wound therapeutic, musculoskeletal growth, hormonal response, and embryonic morphogenesis. Whereas microRNAs are in a position to regulate massive teams of genes, their function in lizard regeneration has not been investigated. MicroRNA sequencing of inexperienced anole lizard (Anolis carolinensis) regenerating tail and related tissues revealed 350 putative novel and 196 recognized microRNA precursors.

Combined Biotin Labeled Antibody Kit (Goat Anti-Mouse IgG, Goat Anti-Rabbit IgG, Rabbit Anti-Goat IgG)
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Description: Combined Biotin Labeled Antibody Kit (Goat Anti-Mouse IgG, Goat Anti-Rabbit IgG, Rabbit Anti-Goat IgG) With the exception of Diagnostic Microbiology Products all biochemicals described are for research use only. The biochemical reagents are not designed for use in therapeutic or diagnostic applications. We are unable to ship to individuals. Please place all orders through an established firm or institution. Nothing disclosed is to be construed as a recommendation to use our products in violation of any patents. All research products are offered without warranty or guarantee, since the ultimate condition of use and the variability in material handling are beyond our control.

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Eleven microRNAs had been differentially expressed between the regenerating tail tip and base throughout most outgrowth (25 days publish autotomy), together with miR-133a, miR-133b, and miR-206, which have been reported to manage regeneration and stem cell proliferation in different mannequin programs. Three putative novel differentially expressed microRNAs had been recognized within the regenerating tail tip. Differentially expressed microRNAs had been recognized within the regenerating lizard tail, together with recognized regulators of stem cell proliferation. The identification of three putative novel microRNAs means that regulatory networks, both conserved in vertebrates and beforehand uncharacterized or particular to lizards, are concerned in regeneration.