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Taioli E , Sears V , Watson A , Flores-Obando RE , Jackson MD , Ukoli FA , de Syllos Colus IM , Fernandez P , McFarlane-Anderson N , Ostrander EA , Rodrigues IS , Stanford JL , Taylor JA , Tulloch-Reid M , Ragin CC
Polymorphisms in CYP17 and CYP3A4 and prostate cancer in men of African descent
Prostate. 2013 May;73(6) :668-76
AbstractBACKGROUND: A meta and pooled analysis of published and unpublished case-control studies was performed to evaluate the association of CYP17 (rs743572) and CYP3A4 (rs2740574) polymorphisms and prostate cancer (PCa) in men from the USA, Caribbean, and Africa. METHODS: Eight publications (seven studies) and two unpublished studies for CYP17 included 1,580 subjects (559 cases and 1,021 controls) and eleven publications and three unpublished studies for CYP3A4 included 3,400 subjects (1,429 cases and 1,971 controls). RESULTS: Overall, the CYP17 heterozygous and homozygous variants were not associated with PCa, but they confer a 60% increased risk of PCa in a sub-group analysis restricted to African-American men (T/C + C/C, OR: 1.6, 95% CI: 1.1-2.4). No associations were observed for CYP3A4, overall and in stratified analyses for African-Americans and Africans. The pooled analysis suggests that after adjusting for study, age, PSA, and family history of PCa, CYP17 was associated with PCa for men of African ancestry (Adjusted OR: 3.5, 95% CI: 1.2-10.0). CONCLUSIONS: Our findings suggest that genetic factors involved in the androgen pathway play a role in PCa risk among men of African ancestry.
NotesTaioli, Emanuela Sears, Vestra Watson, Alexis Flores-Obando, Rafael E Jackson, Maria D Ukoli, Flora A de Syllos Colus, Ilce M Fernandez, Pedro McFarlane-Anderson, Norma Ostrander, Elaine A Rodrigues, Iara S Stanford, Janet L Taylor, Jack A Tulloch-Reid, Marshall Ragin, Camille C R CA006927/CA/NCI NIH HHS/United States P20CA132385-01/CA/NCI NIH HHS/United States R13CA130596A/CA/NCI NIH HHS/United States Meta-Analysis Research Support, N.I.H., Extramural United States The Prostate Prostate. 2013 May;73(6):668-76. doi: 10.1002/pros.22612. Epub 2012 Nov 5.