Article
Genetic polymorphisms in human SULT1A1 and UGT1A1 genes associate with breast tumor characteristics: a case-series study.
Breast cancer research : BCR - 1 Jan 2005
Shatalova Ekaterina G, Walther Susan E, Favorova Olga O, Rebbeck Timothy R, Blanchard Rebecca L
Abstract excerpt
INTRODUCTION: Estrogens are important in breast cancer development. SULT1A1 and UGT1A1 catalyze estrogen metabolism and are polymorphic. The SULT1A1*2 protein exhibits low activity, and a TA repeat within the UGT1A1 promoter alters the level of expression of the protein. We hypothesized that the SULT1A1*2 allozyme has decreased capacity to sulfate estrogens, that the SULT1A1*2 allele conferred increased capacity...
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