BIM-Mediated AKT Phosphorylation Is a Key Modulator of Arsenic Trioxide-Induced Apoptosis in Cisplatin-Sensitive and -Resistant Ovarian Cancer Cells
2011

BIM's Role in Arsenic Trioxide-Induced Cell Death in Ovarian Cancer

publication 10 minutes Evidence: moderate

Author Information

Author(s): Yuan Zhu, Wang Fang, Zhiwei Zhao, Xinyu Qiu, Ji Nie, Chunlai Wei, Yuquan Wei

Primary Institution: State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China

Hypothesis

Does BIM mediate AKT phosphorylation and apoptosis in ovarian cancer cells treated with arsenic trioxide?

Conclusion

BIM is crucial for mediating AKT dephosphorylation and apoptosis in ovarian cancer cells treated with arsenic trioxide.

Supporting Evidence

  • Arsenic trioxide induced apoptosis in both cisplatin-sensitive and -resistant ovarian cancer cells.
  • BIM expression was significantly increased after arsenic trioxide treatment.
  • Inhibition of BIM expression prevented AKT dephosphorylation and caspase-3 activation.

Takeaway

This study shows that a protein called BIM helps cells die when treated with arsenic trioxide, which could help fight ovarian cancer.

Methodology

The study used various ovarian cancer cell lines to assess the effects of arsenic trioxide on apoptosis and the role of BIM and AKT signaling.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0020586

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