Signal transducer and activator of transcription 3 activation is associated with bladder cancer cell growth and survival
2008

Stat3 Activation and Bladder Cancer

Sample size: 100 publication Evidence: moderate

Author Information

Author(s): Chen Chun-Liang, Cen Ling, Kohout Jennifer, Hutzen Brian, Chan Christina, Hsieh Fu-Chuan, Loy Abbey, Huang Victor, Cheng Gong, Lin Jiayuh

Primary Institution: Center for Childhood Cancer, The Research Institute at Nationwide Children's Hospital, Columbus, OH, USA

Hypothesis

Is the oncogenic Stat3 signaling pathway involved in the oncogenesis of bladder cancer?

Conclusion

Activation of Stat3 is crucial for bladder cancer cell growth and survival.

Supporting Evidence

  • 19% of bladder cancer tissues showed elevated Stat3 phosphorylation.
  • Targeting Stat3 with dnStat3 and STA-21 inhibited bladder cancer cell growth.
  • Apoptotic pathways were activated in bladder cancer cells when Stat3 was inhibited.

Takeaway

This study found that a protein called Stat3 helps bladder cancer cells grow and survive, so blocking it might help treat the cancer.

Methodology

The study used immunohistochemistry to analyze bladder cancer tissues and cell lines, targeting the Stat3 pathway with a dominant-negative Stat3 and a small molecule inhibitor.

Limitations

The study primarily focused on a limited number of bladder cancer tissues and cell lines.

Participant Demographics

{"gender":{"male":76,"female":26},"age":{"20-40":4,"41-60":41,"61-90":56}}

Statistical Information

P-Value

p<0.005

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1476-4598-7-78

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