WIPI2 positively regulates mitophagy by promoting mitochondrial recruitment of VCP

Guang Lu, Hayden Weng Siong Tan, Tomas Schmauck-Medina, Liming Wang, Jiaqing Chen, Yik-Lam Cho, Kelie Chen, Jing-Zi Zhang, Weifeng He, Yihua Wu, Dajing Xia, Jing Zhou, Evandro F. Fang, Lei Fang, Wei Liu & Han-Ming Shen
The mammalian Atg18 ortholog WIPI2 is a key regulator of LC3 lipidation to promote autophagosome biogenesis during nonselective macroautophagy, while its functions in selective autophagy such as mitophagy remain largely unexplored. In this study, we explored the role of WIPI2 in PINK1-PRKN/parkin-mediated mitophagy. First, we found that WIPI2 is recruited to damaged mitochondria upon mitophagy induction. Second, loss of WIPI2 impedes mitochondrial damaging agents-induced mitophagy. Third, at molecular level, WIPI2 binds to and promotes AAA-ATPase...
1 citation reported since publication in 2022.
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