ILKAP Binding to and Dephosphorylating HIF-1α is Essential for Apoptosis Induced by Severe Hypoxia Autor Tielong Liu, Yonggang Liu, Jiashi Cao, Xin Gao, Jing Wang, Guanghui Chen, Yang Wang, Ge Liu, Guangjian Bai, Yiwei Hu, Jiaxiang Yang, Lianfeng Dong, Xinbao Quan, Weiwei Zou