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OSU-A9 inhibits pancreatic cancer cell lines by modulating p38-JAK-STAT3 signaling.


ABSTRACT: Pancreatic cancer is an aggressive malignancy that is the fourth leading cause of death worldwide. Since there is a dire need for novel and effective therapies to improve the poor survival rates of advanced pancreatic cancer patients, we analyzed the antitumor effects of OSU-A9, an indole-3-carbinol derivative, on pancreatic cancer cell lines in vitro and in vivo. OSU-A9 exhibited a stronger antitumor effect than gemcitabine on two pancreatic cancer cell lines, including gemcitabine-resistant PANC-1 cells. OSU-A9 treatment induced apoptosis, the down-regulation of Akt phosphorylation, up-regulation of p38 phosphorylation and decreased phosphorylation of JAK and STAT3. Cell migration and invasiveness assays showed that OSU-A9 reduced cancer cell aggressiveness and inhibited BxPC-3 xenograft growth in nude mice. These results suggest that OSU-A9 modulates the p38-JAK-STAT3 signaling module, thereby inducing cytotoxicity in pancreatic cancer cells. Continued evaluation of OSU-A9 as a potential therapeutic agent for pancreatic cancer thus appears warrented.

SUBMITTER: Tsai WC 

PROVIDER: S-EPMC5438726 | biostudies-literature | 2017 Apr

REPOSITORIES: biostudies-literature

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OSU-A9 inhibits pancreatic cancer cell lines by modulating p38-JAK-STAT3 signaling.

Tsai Wan-Chi WC   Bai Li-Yuan LY   Chen Yi-Jin YJ   Chu Po-Chen PC   Hsu Ya-Wen YW   Sargeant Aaron M AM   Weng Jing-Ru JR  

Oncotarget 20170401 17


Pancreatic cancer is an aggressive malignancy that is the fourth leading cause of death worldwide. Since there is a dire need for novel and effective therapies to improve the poor survival rates of advanced pancreatic cancer patients, we analyzed the antitumor effects of OSU-A9, an indole-3-carbinol derivative, on pancreatic cancer cell lines in vitro and in vivo. OSU-A9 exhibited a stronger antitumor effect than gemcitabine on two pancreatic cancer cell lines, including gemcitabine-resistant PA  ...[more]

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