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Relevance of the MHC region for breast cancer susceptibility in Asians. Breast cancer (Tokyo, Japan) Ho, P. J., Khng, A. J., Tan, B. K., Tan, E. Y., Tan, S. M., Tan, V. K., Lim, G. H., Aronson, K. J., Chan, T. L., Choi, J. Y., Dennis, J., Ho, W. K., Hou, M. F., Ito, H., Iwasaki, M., John, E. M., Kang, D., Kim, S. W., Kurian, A. W., Kwong, A., Lophatananon, A., Matsuo, K., Mohd-Taib, N. A., Muir, K., Murphy, R. A., Park, S. K., Shen, C. Y., Shu, X. O., Teo, S. H., Wang, Q., Yamaji, T., Zheng, W., Bolla, M. K., Dunning, A. M., Easton, D. F., Pharoah, P. D., Hartman, M., Li, J. 2022

Abstract

Human leukocyte antigen (HLA) genes play critical roles in immune surveillance, an important defence against tumors. Imputing HLA genotypes from existing single-nucleotide polymorphism datasets is low-cost and efficient. We investigate the relevance of the major histocompatibility complex region in breast cancer susceptibility, using imputed class I and II HLA alleles, in 25,484 women of Asian ancestry.A total of 12,901 breast cancer cases and 12,583 controls from 12 case-control studies were included in our pooled analysis. HLA imputation was performed using SNP2HLA on 10,886 quality-controlled variants within the 15-55 Mb region on chromosome 6. HLA alleles (n?=?175) with info scores greater than 0.8 and frequencies greater than 0.01 were included (resolution at two-digit level: 71; four-digit level: 104). We studied the associations between HLA alleles and breast cancer risk using logistic regression, adjusting for population structure and age. Associations between HLA alleles and the risk of subtypes of breast cancer (ER-positive, ER-negative, HER2-positive, HER2-negative, early-stage, and late-stage) were examined.We did not observe associations between any HLA allele and breast cancer risk at P?

View details for DOI 10.1007/s12282-022-01366-w

View details for PubMedID 35543923