Involvement of COX-2/PGE2 Pathway in the Upregulation of MMP-9 Expression in Pancreatic Cancer
2011

COX-2 and MMP-9 in Pancreatic Cancer

Sample size: 16 publication Evidence: moderate

Author Information

Author(s): Xianmin Bu, Zhao Chenghai, Dai Xianwei

Primary Institution: China Medical University

Hypothesis

The study investigates the correlation between COX-2 and MMP-9 expression in pancreatic cancer and the role of PGE2 in this relationship.

Conclusion

The study concludes that COX-2 upregulates MMP-9 expression in pancreatic cancer, and PGE2 may be involved in this process.

Supporting Evidence

  • COX-2 and MMP-9 mRNA were detected in 16 pancreatic adenocarcinomas.
  • A positive correlation between COX-2 and MMP-9 expression was verified using Spearman's rank correlation test.
  • MMP-9 expression was significantly downregulated in BxPC-3 and Capan-1 cells after treatment with COX-2 inhibitors.

Takeaway

This study found that a protein called COX-2 helps another protein, MMP-9, to increase in pancreatic cancer, which might make the cancer spread more.

Methodology

The study used pancreatic cancer cell lines and tissue specimens, employing RT-PCR, Western blotting, and migration assays to analyze COX-2 and MMP-9 expression.

Participant Demographics

Patients with pancreatic adenocarcinoma from Shengjing Hospital, China.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1155/2011/214269

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