Conditioned CAR-T cells by hypoxia-inducible transcription amplification (HiTA) system significantly enhances systemic safety and retains antitumor efficacy ============================================================================================================================================================ * Huan He * Qibin Liao * Chen Zhao * Cuisong Zhu * Meiqi Feng * Zhuoqun Liu * Lang Jiang * Linxia Zhang * Xiangqing Ding * Min Yuan * Xiaoyan Zhang * Jianqing Xu