Klotho Suppresses Indoxyl Sulfate-Mediated Apoptosis in Human Kidney Proximal Tubular (HK-2) Cells through Modulating the AKT/Nrf2 Mechanism - Chien-Yao Sun; Yao-Tsung Lin; Yu-Ting Huang; Hui-Ching Cheng; Wan-Ching Chou; Yu-Tzu Chang; Tsai-Chieh Ling; Pei-Ling Hsieh; Kun-Ling Tsai (ACS Omega)