Fine-Tuning Roles of Endogenous Brain-Derived Neurotrophic Factor, TrkB and Sortilin in Colorectal Cancer Cell Survival
2011

How BDNF and TrkB Help Colorectal Cancer Cells Survive

Sample size: 20 publication 10 minutes Evidence: moderate

Author Information

Author(s): Akil Hussein, Perraud Aurélie, Mélin Carole, Jauberteau Marie-Odile, Mathonnet Muriel

Primary Institution: Université de Limoges

Hypothesis

The study investigates the role of Brain-Derived Neurotrophic Factor (BDNF) and its receptors in the survival of colorectal cancer (CRC) cells under stress conditions.

Conclusion

BDNF and TrkB are crucial for the growth and survival of colorectal cancer cells, suggesting potential targets for new therapies.

Supporting Evidence

  • BDNF was found to be secreted by colorectal cancer cells under stress conditions.
  • TrkB and BDNF were overexpressed in tumor tissues compared to adjacent normal tissues.
  • Blocking BDNF increased apoptosis in colorectal cancer cells.

Takeaway

This study shows that a special protein called BDNF helps cancer cells in the colon stay alive when they are stressed, which could help doctors find new ways to treat this type of cancer.

Methodology

The study used human colorectal cancer cell lines and patient-derived tissues to analyze the expression of BDNF and its receptors under various conditions, including serum starvation.

Potential Biases

Potential bias may arise from the selection of cell lines and patient samples, which could affect the generalizability of the findings.

Limitations

The study primarily focuses on in vitro experiments, which may not fully replicate the in vivo environment of colorectal cancer.

Participant Demographics

The study involved 20 patients with colorectal cancer, with tissues collected from surgical procedures.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0025097

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