Prognostic significance of STAT3 and phosphorylated STAT3 in human soft tissue tumors - a clinicopathological analysis
2011

The Role of STAT3 in Soft Tissue Tumors

Sample size: 82 publication Evidence: high

Author Information

Author(s): David Diana, Rajappan Lakshmy M, Balachandran Krishna, Thulaseedharan Jissa V, Nair Asha S, Pillai Radhakrishna M

Primary Institution: Integrated Cancer Research, Rajiv Gandhi Centre for Biotechnology, Kerala, India

Hypothesis

Does constitutive STAT3 signaling play a key role in the survival and growth of soft-tissue tumors?

Conclusion

Constitutive activation of STAT3 is significantly associated with the malignancy of soft tissue tumors and their clinicopathological characteristics.

Supporting Evidence

  • 54 out of 82 soft tissue tumor samples showed immunoreactivity for STAT3.
  • 28 out of 82 samples showed immunoreactivity for pSTAT3.
  • Expression of STAT3 and pSTAT3 was significantly associated with tumor grade and location.

Takeaway

This study found that a protein called STAT3 is more active in more serious tumors, which could help doctors understand and diagnose these tumors better.

Methodology

The study used immunohistochemistry, Western blotting, and reverse transcriptase-PCR to analyze STAT3 and pSTAT3 expression in tumor samples.

Participant Demographics

51 males and 31 females, aged 1 to 80 years.

Statistical Information

P-Value

p<0.001

Confidence Interval

95% CI: 20.24-569

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1756-9966-30-56

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