Luyao Ma, Yeteng Tian, Tao Qian, Wenjun Li, Chengmin Liu, Bizhu Chu, Qian Kong, Renwei Cai, Panzhu Bai, Lisha Ma, Yi Deng, Ruijun Tian, Chuanyue Wu, Ying Sun
Androgen receptor (AR) signaling plays important roles in breast cancer progression. We show here that Kindlin-2, a focal adhesion protein, is critically involved in the promotion of AR signaling and breast cancer progression. Kindlin-2 physically associates with AR and Src through its two neighboring domains, namely F1 and F0 domains, resulting in formation of a Kindlin-2-AR-Src supramolecular complex and consequently facilitating Src-mediated AR Tyr-534 phosphorylation and signaling. Depletion of Kindlin-2 was sufficient to suppress Src-mediated AR Tyr-534 phosphorylation and signaling, resulting in diminished breast cancer cell proliferation and migration...
May 20, 2022: Cell Death & Disease