Abstracts AB34. Effect and mechanism of TET to human gastric carcinoma cell line SGC7901 and SGC7901/ADR Yong Li, Qun Zhao, Jie Liu, Bi-Bo Tan, Li-Qiao Fan, Qing- Wei Liu, Zhi-Kai Jiao, Xüe-Feng Zhao, Ying-Jie Hao