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A Method to Study the C924T Polymorphism of the Thromboxane A2 Receptor Gene
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Molecular functionality of CYP2C9 polymorphisms and their influence on drug therapy

Yazun Bashir Jarrar, Su-Jun Lee

    Drug Metabolism and Drug Interactions
    |May 15, 2014
    PubMed

    Insights

    Understanding genetic variations in CYP2C9 is crucial for personalized medicine. This review updates functional information on CYP2C9 alleles, aiding clinical applications of pharmacogenomics.

    Area of Science:

    • Pharmacogenomics
    • Drug Metabolism
    • Molecular Biology

    Background:

    • CYP2C9 is vital for metabolizing 20% of common drugs, including warfarin and phenytoin.
    • Over 16,000 CYP2C9 variants exist, with CYP2C9*2 and CYP2C9*3 being well-studied.
    • Clinical application of CYP2C9 pharmacogenomics is hindered by limited knowledge of variant functions.

    Purpose of the Study:

    • To review and update functional information on known and novel CYP2C9 genetic variants.
    • To bridge the gap between the increasing number of genetic variants and their molecular mechanisms.
    • To aid in the clinical implementation of CYP2C9 pharmacogenomics.

    Main Methods:

    • In silico analyses to predict functional changes of CYP2C9 alleles.
    • Comparison of predicted data with existing in vitro and in vivo experimental evidence.
    • Summarization of functional data for recently reported CYP2C9 variants.

    Main Results:

    • Functional impacts of numerous CYP2C9 alleles were predicted and compared with experimental data.
    • Updated functional information for previously known CYP2C9 variants was compiled.
    • A comprehensive overview of genetic variant functionalities was provided.

    Conclusions:

    • Accurate functional prediction and updated data are essential for understanding CYP2C9 variability.
    • This review consolidates knowledge on CYP2C9 variants, supporting personalized drug therapy.
    • Further research into the molecular mechanisms of CYP2C9 variants will enhance pharmacogenomic applications.

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