RNA sequencing analyisis to identify genes regulated by GW9662 in human cord blood hematopoietic stem and progenitor cells
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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PPARγ antagonist GW9662 treatment could enhance ex vivo expansion of human cord blood hematopoietic stem and progenitor cells (HSCs/HPCs). To gain mechanistical insights into how antagonizing PPARγ promotes expansion of HSCs/HPCs, we performed RNA sequencing (RNA seq) analysis to identify genes involved in this process. Loss of function of PPARγ in CB CD34+ cells resulted in downregulation of a number of differentiation associated genes, including CD38, CD1d, HIC1, FAM20C, DUSP4, DHRS3 and ALDH1A2, suggesting that PPARγ antagonist may maintain stemness of CB CD34+ cells, at least in part by preventing differentiation. We also observed that FBP1, encoding fructose 1, 6-bisphosphatase, a negative regulator of glycolytic flux, was significantly downregulated by treating CB CD34+ cells with GW9662. Our study demonstrates that antagonizing PPARγ signaling drives ex vivo expansion of human CB HSCs/HPCs by switching on FBP1 repressed glycolysis and preventing differentiation.
提供机构：
Indiana University
创建时间：
2022-02-20
