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Type: Artigo de periódico
Title: Allelic Frequencies Of Six Polymorphic Markers For Risk Of Prostate Cancer.
Author: Ribeiro, M L
Santos, A
Carvalho-Salles, A B
Hackel, C
Abstract: The aim of the present study was to evaluate the distribution of polymorphisms for the androgen receptor (AR) (CAG, StuI, GGN), SRD5A2 (Ala49Thr, Val89Leu) and CYP17 (MspA1) genes that are considered to be relevant for risk of prostate cancer. We studied 200 individuals from two cities in the State of São Paulo, by PCR, PCR-RFLP and ASOH techniques. The allelic frequencies of the autosomal markers and the StuI polymorphism of the AR gene were very similar to those described in most North American and European populations. In relation to the CAG and GGN number of repeats, the study subjects had smaller repeat lengths (mean of 20.65 and 22.38, respectively) than those described in North American, European and Chinese populations. In the present study, 30.5% of the individuals had less than 22 CAG repeats and 45.5% had less than 23 GGN repeats. When both repeat lengths are considered jointly, this Brazilian population is remarkably different from the others. Further studies on prostate cancer patients need to be conducted to assess the significance of these markers in the Brazilian population.
Subject: Adult
Cholestenone 5 Alpha-reductase
Ethnic Groups
Gene Frequency
Genetic Markers
Polymerase Chain Reaction
Polymorphism, Genetic
Polymorphism, Restriction Fragment Length
Prostatic Neoplasms
Receptors, Androgen
Risk Factors
Steroid 17-alpha-hydroxylase
Rights: aberto
Identifier DOI: 
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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