MAP kinase pathways and calcitonin influence CD44 alternate isoform expression in prostate cancer cells
2008

Calcitonin and MAP Kinase Pathways Affect CD44 in Prostate Cancer

publication Evidence: moderate

Author Information

Author(s): Eric W. Robbins, Emily A. Travanty, Kui Yang, Kenneth A. Iczkowski

Primary Institution: University of Colorado Denver

Hypothesis

How do calcitonin and MAP kinase pathways influence CD44 expression and splicing in prostate cancer cells?

Conclusion

Calcitonin increases CD44 variant splicing in prostate cancer cells through the p38 kinase pathway.

Supporting Evidence

  • Calcitonin increased CD44 variant RNA and protein levels in prostate cancer cells.
  • Inhibition of protein kinase A reduced CD44 expression.
  • The MEK pathway was found to increase CD44 RNA levels.

Takeaway

This study found that a hormone called calcitonin helps change a protein called CD44 in prostate cancer cells, which might help the cancer grow.

Methodology

The study assessed CD44 RNA and protein levels in prostate cancer cell lines in response to calcitonin and various kinase inhibitors.

Limitations

The study primarily focused on specific cell lines and may not fully represent all prostate cancer cases.

Statistical Information

P-Value

p = 0.01; p = 0.02; p = 0.001; p = 0.0002; p = 0.0001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2407-8-260

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