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A Method to Study the C924T Polymorphism of the Thromboxane A2 Receptor Gene
Published on: April 1, 2019
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Next-Generation Sequencing and Bioinformatics-Based Protocol for the Full-Length CYP2E1 Gene Polymorphism Analysis.
Viktorija Igumnova1,2, Agnija Kivrane1,2, Anda Viksna3,4
1Molecular Microbiology Group, Latvian Biomedical Research and Study Centre, Riga, Latvia.
Pharmacogenomics and Personalized Medicine
|November 17, 2022
Summary
This study developed a new next-generation sequencing method for analyzing the full-length CYP2E1 gene. This approach enables robust detection of genetic variants for personalized medicine and clinical trial applications.
Area of Science:
- Pharmacogenetics
- Genomics
- Molecular Biology
Background:
- Pharmacogenetics offers insights into individual drug response variability.
- Clinical annotations for specific CYP2E1 genetic variants are currently limited.
- CYP2E1 gene variants influence drug metabolism and response.
Purpose of the Study:
- To design and evaluate a next-generation sequencing (NGS)-based method for comprehensive analysis of CYP2E1 gene polymorphisms.
- To establish a reliable protocol for full-length CYP2E1 sequencing.
Main Methods:
- Designed seven gene-specific primer pairs for overlapping CYP2E1 fragments, including exons, introns, UTR, and intergenic regions.
- Optimized PCR conditions using a training set of human DNA samples.
- Evaluated the protocol's effectiveness on DNA from tuberculosis patients, with data analysis on the Galaxy platform.
Main Results:
- Achieved high-quality sequencing data sufficient for detecting CYP2E1 genetic variants across the entire gene.
- Demonstrated high confidence in variant detection within fully covered regions.
- Confirmed optimal reading depth and high base call accuracy.
Conclusions:
- The developed NGS protocol provides a robust method for full-length CYP2E1 gene polymorphism analysis.
- This protocol can be utilized in subpopulation studies to assess the clinical significance of CYP2E1 single nucleotide variants (SNVs) and their combinations.
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