Identification of specific Y chromosomes associated with increased prostate cancer risk.

Prostate 2014 Jun 6;74(9):991-8. Epub 2014 May 6.

Division of Genetic Epidemiology, Department of Medicine, University of Utah School of Medicine, Salt Lake City, Utah; George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, Utah; Huntsman Cancer Institute, Salt Lake City, Utah.

Background: Evidence supports the possibility of a role of the Y chromosome in prostate cancer, but controversy exists.

Methods: A novel analysis of a computerized population-based resource linking genealogy and cancer data was used to test the hypothesis of a role of the Y chromosome in prostate cancer predisposition. Using a statewide cancer registry from 1966 linked to a computerized genealogy representing over 1.2 million descendants of the Utah pioneers, 1,000 independent sets of males, each set hypothesized to share the same Y chromosome as represented in genealogy data, were tested for a significant excess of prostate cancer.

Results: Multiple Y chromosomes representing thousands of potentially at-risk males were identified to have a significant excess risk for prostate cancer.

Conclusions: This powerful and efficient in silico test of an uncommon mode of inheritance has confirmed evidence for Y chromosome involvement in prostate cancer.

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Source
http://dx.doi.org/10.1002/pros.22821DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4109644PMC
June 2014
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