Tumor marker utility and prognostic relevance of cathepsin B, cathepsin L, urokinase-type plasminogen activator, plasminogen activator inhibitor type-1, CEA and CA 19-9 in colorectal cancer
2008

Prognostic Value of Proteases in Colorectal Cancer

Sample size: 56 publication Evidence: high

Author Information

Author(s): Herszényi László, Farinati Fabio, Cardin Romilda, István Gábor, Molnár László D, Hritz István, De Paoli Massimo, Plebani Mario, Tulassay Zsolt

Primary Institution: Semmelweis University, Budapest, Hungary

Hypothesis

The study aims to evaluate the tumor marker utility and prognostic relevance of various proteases in colorectal cancer compared to established markers.

Conclusion

Proteases are more sensitive indicators for colorectal cancer than commonly used tumor markers like CEA and CA 19-9.

Supporting Evidence

  • PAI-1 showed a sensitivity of 94%, higher than CEA or CA 19-9.
  • CATB and PAI-1 were identified as independent prognostic variables.
  • High levels of CATB, PAI-1, CEA, and CA 19-9 correlated with advanced Dukes stages.

Takeaway

This study found that certain proteins in the blood can help doctors tell if someone has colorectal cancer better than the usual tests.

Methodology

The study measured levels of various proteases and tumor markers in blood samples from patients with colorectal cancer and compared them with control groups.

Limitations

The study did not include patients undergoing chemotherapy or other treatments, which may limit the generalizability of the findings.

Participant Demographics

The study included 56 patients with colorectal cancer, 25 with ulcerative colitis, 26 with colorectal adenomas, and 35 tumor-free controls.

Statistical Information

P-Value

P = 0.0004 for CATB

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2407-8-194

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