MET Signalling and Colon Cancer Transformation
Author Information
Author(s): Boon E M J, Kovarikova M, Derksen P W B, van der Neut R
Primary Institution: Academic Medical Centre, University of Amsterdam
Hypothesis
Overexpression of MET can lead to transformation of colon epithelial cells independent of Wnt signalling.
Conclusion
Overexpression of MET in colon epithelial cells leads to increased transformation and tumorigenicity, regardless of Wnt signalling.
Supporting Evidence
- Cells expressing mutated MET showed low E-cadherin levels independent of stimulation with ligand.
- Subcutaneous injection of mutated MET-transfected cells in nude mice led to tumor formation within 12 days in all injected mice.
- Expression of mutated MET resulted in high transforming capacity, leading to the largest number and size of colonies compared to mock- and wild-type MET-transfected cells.
Takeaway
Scientists found that a protein called MET can make colon cells grow and form tumors, even when another important growth signal is not working.
Methodology
Fetal human colon epithelial cells were transfected with wild-type or mutated MET constructs and analyzed for transformation and tumorigenicity.
Limitations
The study primarily used a limited number of cell lines and animal models, which may not fully represent human colorectal cancer.
Participant Demographics
Fetal human colon epithelial cells were used in the study.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website