Abstract
This case control study aims to investigate the role of HSP90 Gln488His (C > G), HSP70-2 P1/P2, HIF-1 alpha C1772T and HSPA8 intronic 1541–1542delGT polymorphisms as potential risk factors and/or prognostic markers for breast cancer. 113 consecutive incident cases of histologically confirmed ductal breast cancer and 124 healthy cases were recruited. The above mentioned polymorphisms were genotyped; multivariate logistic regression was performed. HSP90 GG (His/His) genotype was associated with elevated breast cancer risk. Similarly, the allele dose–response model pointed to increase in breast cancer risk per G allele. HSP70-2 P1/P2, HSPA8 intronic 1541–1542delGT and HIF-1 alpha polymorphisms were not associated with breast cancer risk, as evidenced by the dose–response allele models. The positive association between HSP90 G allele and breast cancer risk seemed to pertain to both premenopausal and postmenopausal women. With respect to survival analysis, none of the aforementioned polymorphisms was associated with either disease-free survival or overall survival. HSP90α Gln488His polymorphism seems to be a risk factor for breast cancer. On the other hand, our study did not point to excess risk conferred by HSPA8 1541–1542delGT, Hsp70-2 P1/P2 and HIF-1α C1772T.
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A research grant has been received by HeSMO. FZ is receiving a research grant from HeSMO.
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Zagouri, F., Sergentanis, T.N., Gazouli, M. et al. HSP90, HSPA8, HIF-1 alpha and HSP70-2 polymorphisms in breast cancer: a case–control study. Mol Biol Rep 39, 10873–10879 (2012). https://doi.org/10.1007/s11033-012-1984-2
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DOI: https://doi.org/10.1007/s11033-012-1984-2