Peptidyl Prolyl Isomerase PIN1 Directly Binds to and Stabilizes Hypoxia-Inducible Factor-1α. oleh Hyeong-Jun Han, Nayoung Kwon, Min-A Choi, Kyung Oh Jung, Juan-Yu Piao, Hoang Kieu Chi Ngo, Su-Jung Kim, Do-Hee Kim, June-Key Chung, Young-Nam Cha, Hyewon Youn, Bu Young Choi, Sang-Hyun Min, Young-Joon Surh