Integrating Epigenomics into Pharmacogenomic Studies.

Pharmacogenomics and Personalized Medicine
Wei ZhangM Eileen Dolan

Abstract

The goal of personalized medicine is to recommend drug treatment based on an individual's genetic makeup. Pharmacogenomic studies utilize two main approaches: candidate gene and whole-genome. Both approaches analyze genetic variants such as single nucleotide polymorphisms (SNPs) to identify associations with drug response. In addition to DNA sequence variations, non-genetic but heritable epigenetic systems have also been implicated in regulating gene expression that could influence drug response. The International HapMap Project lymphoblastoid cell lines (LCLs) have been used to study genetic determinants responsible for expression variation and drug response. Recent studies have demonstrated that common genetic variants, including both SNPs and copy number variants (CNVs) account for a substantial fraction of natural variation in gene expression. Given the critical role played by DNA methylation in gene regulation and the fact that DNA methylation is currently the most studied epigenetic system, we suggest that profiling the variation in DNA methylation in the HapMap samples will provide new insights into the regulation of gene expression as well as the mechanisms of individual drug response at a new level of complexity. Epige...Continue Reading

Citations

Mar 26, 2014·Current Atherosclerosis Reports·Patrick L Daly, Richard C Becker
Sep 10, 2013·Current Genetic Medicine Reports·Wei ZhangLifang Hou
Nov 26, 2009·Bioinformatics·Eric R GamazonNancy J Cox

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Methods Mentioned

BETA
acetylation
methylation profiling
immunoprecipitation
ChIP

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