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Updated: Aug 19, 2026

MicroRNA Detection in Prostate Tumors by Quantitative Real-time PCR (qPCR)
Published on: May 16, 2012
Met160Val polymorphism in the TRMPSS2 gene and risk of prostate cancer in a population-based case-control study
Joanna M Lubieniecka1, Mahesh Keitheri Cheteri, Janet L Stanford
1Division of Human Biology and Clinical Research, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA.
Background:
Serine proteases play an important role in prostate cancer (PCa) invasion through the degradation of extracellular matrix proteins and interaction with growth modulating factors. The transmembrane serine protease 2 (TMPRSS2) gene encodes a type II transmembrane protein which, due to its cell surface localization, could be a potentially useful predictive marker for PCa.
Methods:
We screened a population of 24 unrelated individuals for sequence variants in the TMPRSS2 gene, and found a Met160Val change in 33%. We then tested 559 cases and 523 controls from a population-based case-control study of middle-aged men from Washington State.
Results:
Men with the GG genotype and a first-degree family history of PCa had a significantly higher risk for PCa relative to men without a family history (OR = 2.05; 95% CI = 1.3-3.2). However, the interaction between genotype and family history of PCa was not significant (P = 0.52).
Conclusions:
Larger, more detailed studies are needed to fully investigate the role of serine proteases in PCa.

