Lamin A/C as a Risk Biomarker in Colorectal Cancer

Sample size: 658 publication 10 minutes Evidence: high

Author Information

Author(s): Willis Naomi D., Cox Thomas R., Rahman-Casañs Syed F., Smits Kim, Przyborski Stefan A., van den Brandt Piet, van Engeland Manon, Weijenberg Matty, Wilson Robert G., de Bruïne Adriaan, Hutchison Christopher J.

Primary Institution: School of Biological and Biomedical Sciences, Durham University, Durham, United Kingdom

Hypothesis

Does the expression of A-type lamins influence tumor progression and patient prognosis in colorectal cancer?

Conclusion

Patients with A-type lamin-expressing tumors have a significantly worse prognosis than those without.

Supporting Evidence

Expression of A-type lamins in colorectal cancer tissues is correlated with a two-fold increase in mortality risk.
Patients with A-type lamin positive tumors had a hazard ratio of 1.85 for CRC-related death.
Expression of lamin A promotes increased cell motility and invasiveness in colorectal cancer cell lines.

Takeaway

This study found that a protein called lamin A can help predict how likely someone is to die from colorectal cancer, as it makes the cancer more aggressive.

Methodology

The study screened colorectal cancer and normal colon tissue for A-type lamin expression and analyzed patient survival using Cox proportional hazard ratios.