Identification of a p300–SP1–BRD4 Transcriptional Axis as a Key Driver of AR Hyperactivation in Polycystic Ovarian Syndrome

    February 2026 in “ Advanced Science
    Z. A. Zhu, Yihan Wang, Yihan Wang, Haiyun Chen, Xinye Yu, Tingyu Wang, Yajing Weng, Meihong Guo, Ying Huang, Gaojian Tao, Wangsen Cao, Yong Wang, Yong Wang, Daojuan Wang
    TLDR Targeting the p300/AR axis may help treat polycystic ovary syndrome.
    This study identifies a transcriptional axis involving p300, SP1, and BRD4 as a key driver of androgen receptor (AR) hyperactivation in polycystic ovary syndrome (PCOS). In mouse models of PCOS, increased histone acetylation and AR activation were observed, which were significantly reduced by p300 knockout or inhibition. The study found that p300, SP1, and BRD4 bind to acetylated histones at the AR promoter, promoting AR transcription. Inhibition of this axis reduced ovarian fibrosis, suggesting that targeting the p300/AR axis could be a promising therapeutic strategy for PCOS.
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