Autophagy induced by deficiency of sphingosine-1-phosphate phosphohydrolase 1 is switched to apoptosis by calpain-mediated autophagy-related gene 5 (Atg5) cleavage

鞘氨醇-1-磷酸磷酸水解酶 1 缺乏引起的自噬通过钙蛋白酶介导的自噬相关基因 5 (Atg5) 裂解转变为细胞凋亡