Abstract
Timosaponin AIII (AIII), a steroidal saponin isolated from Anemarrhena asphodeloides Bge. Our study showed that AIII induced both apoptosis and autophagy, and autophagy inhibited apoptosis in A375S2 cells. Furtherly, this study was carried out to investigate what kind of cytokines plays an important role in this process. The results revealed that AIII induced apoptosis through activating c-Jun N-terminal protein kinase (JNK) or extracellular signal related kinase (ERK) signaling pathway and generating NO. However, JNK or ERK inhibited autophagy, while NO had no effect on autophagy. Therefore, JNK, ERK or NO regulates two programmed death processes in different ways. AIII did not show obvious cytotoxic effect on human peripheral blood mononuclear cells, which indicated that AIII has less side effects on normal cells, and could be considered as a leading compound for developing novel anticancer drug.
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Financial supported by National Natural Science Foundation of China (81373925) and Program for Liaoning Excellent Talents in University (LR2012034) are gratefully acknowledged.
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Wang, Y., Xu, L., Lou, LL. et al. Timosaponin AIII induces apoptosis and autophagy in human melanoma A375-S2 cells. Arch. Pharm. Res. 40, 69–78 (2017). https://doi.org/10.1007/s12272-016-0763-3
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DOI: https://doi.org/10.1007/s12272-016-0763-3