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An unexpected wide population variation of the G1733A polymorphism of the androgen receptor gene: Data on the Mediterranean region
Author(s) -
Esteban E.,
Via M.,
GonzálezPérez E.,
Santamaría J.,
Dugoujon J.M.,
Vona G.,
Harich N.,
Luna F.,
Saetta A.A.,
Bissar N.,
Moral P.
Publication year - 2005
Publication title -
american journal of human biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.559
H-Index - 81
eISSN - 1520-6300
pISSN - 1042-0533
DOI - 10.1002/ajhb.20440
Subject(s) - population , allele , allele frequency , demography , prostate cancer , biology , ethnic group , genetic variation , oncology , gynecology , genetics , medicine , gene , cancer , sociology , anthropology
The androgen receptor (AR) has been proposed as a candidate gene for several cancers (breast, prostate, uterine endometrium, colon, and esophagus). Ethnicity is considered an associated risk factor for some of these cancers. Several case‐control genetic studies have been focused in samples of the main ethnic groups, but little is known about the distribution of risk polymorphisms in current populations with accurate ethnic and/or geographic origins. The A allele of the G1733A polymorphism of the AR gene has been associated with increased risk of prostate cancer. We provide data from this marker in 12 samples from 7 Mediterranean countries such as Spain, Italy (Sardinia), Greece, Turkey, Morocco, Algeria, and Egypt. A sample from Ivory Coast has also been analyzed. The A allele distribution shows a frequency in the Ivory Coast population (65.17%) that contrasts with the low values found in Northern Mediterraneans (mean average value of 13.98%). North African populations present two‐times higher frequencies (average value of 27.19%) than Europeans. The wide population variation range found for the A allele strengthens the potential interest of further screening as a baseline to the design of future preventive and population health programs. Am. J. Hum. Biol. 17:690–695, 2005. © 2005 Wiley‐Liss, Inc.