In the course of retinoic acid-induced cell differentiation, formation of the complex between NPM1 (nucleophosmin) and TFAP2A (AP-2 alpha) homodimer, bound to the AP-2 alpha response element in the promoter of the HSPD1 (Hsp60) gene, represses transcription of the mitochondrial matrix chaperonin HSPD1. Transcriptional repression probably involves NPM1-mediated recruitment of histone deacetylases HDAC1 and HDAC2 to the HSPD1 gene promoter (Liu et al. 2007).
Liu, H, Tan, BC, Tseng, KH, Chuang, CP, Yeh, CW, Chen, KD, Lee, SC, Yung, BY
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