Patient adipose stem cell-derived adipocytes reveal genetic variation that predicts anti-diabetic drug response
收藏干细胞与再生医学数据中心2022-02-20 更新2024-03-06 收录
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Thiazolidinedione drugs (TZDs) target the transcriptional activity of PPARg to reverse insulin resistance in type 2 diabetes, but side effects limit their clinical use. Here, using human adipose stem cell-derived adipocytes, we demonstrate that single-nucleotide polymorphisms (SNPs) were enriched at sites of patient-specific PPARg binding, which correlated with the individual-specific effects of TZD rosiglitazone (rosi) on gene expression. Rosi induction of ABCA1, which regulates cholesterol metabolism, was dependent upon SNP rs4743771, which modulated PPARg binding by influencing the genomic occupancy of its cooperating factor NFIA. Conversion of rs4743771 from the inactive SNP allele to the active one by CRISPR/Cas9-mediated editing rescued PPARg binding as well as rosi-induction of ABCA1 expression. Moreover, rs4743771 is a major determinant of undesired serum cholesterol increases in rosi-treated diabetics. These data highlight human genetic variation that impacts PPARg genomic occupancy and patient responses to antidiabetic drugs, with implications for developing personalized therapies for metabolic disorders
提供机构：
University of Pennsylvania
创建时间：
2022-02-20
