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Propyl isothiocyanate induces apoptosis in gastric cancer cells by oxidative stress via glutathione depletion.


ABSTRACT: Isothiocyanates are a group of compounds that exist in the majority of cruciferous plants. A number of isothiocyanates have been demonstrated to exhibit anticancer effects; however, antitumor properties of propyl isothiocyanate (PITC) have not been evaluated previously. In this study, the possible effects of PITC on gastric cancer (GC) cells were investigated, and the potential underlying mechanisms were explored. The results demonstrated that PITC inhibited cell viability of two GC cell lines and induced cell cycle arrest and apoptosis. Treatment with PITC promoted total glutathione depletion in GC cell lines, leading to reactive oxygen species accumulation and DNA damage, which activated the mitochondria-dependent and p53 signaling pathways to trigger apoptosis in GC cells. The effects of PITC were reversed by N-Acetyl-L-cysteine. The results of the present study revealed the potential mechanisms of PITC on apoptosis induction in GC cells, which may be mediated by mitochondria-dependent apoptosis and DNA damage.

SUBMITTER: Huang L 

PROVIDER: S-EPMC6781591 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Propyl isothiocyanate induces apoptosis in gastric cancer cells by oxidative stress via glutathione depletion.

Huang Ling L   Cai Chen C   Dang Wei W   Lu Jian-Hua JH   Hu Gang-Feng GF   Gu Jun J  

Oncology letters 20190918 5


Isothiocyanates are a group of compounds that exist in the majority of cruciferous plants. A number of isothiocyanates have been demonstrated to exhibit anticancer effects; however, antitumor properties of propyl isothiocyanate (PITC) have not been evaluated previously. In this study, the possible effects of PITC on gastric cancer (GC) cells were investigated, and the potential underlying mechanisms were explored. The results demonstrated that PITC inhibited cell viability of two GC cell lines a  ...[more]

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