PHIP - a novel candidate breast cancer susceptibility locus on 6q14.1
AuthorJiao, X; Aravidis, C; Marikkannu, R; Rantala, J; Picelli, S; Adamovic, T; Liu, T; Maguire, P; Kremeyer, B; Luo, L; ...
PublisherIMPACT JOURNALS LLC
University of Melbourne Author/sHopper, John; Giles, Graham; Jiao, Xiaoguo; Milne, Roger; Southey, Melissa
AffiliationMelbourne School of Population and Global Health
School of BioSciences
Document TypeJournal Article
CitationsJiao, X., Aravidis, C., Marikkannu, R., Rantala, J., Picelli, S., Adamovic, T., Liu, T., Maguire, P., Kremeyer, B., Luo, L., Von Holst, S., Kontham, V., Thutkawkorapin, J., Margolin, S., Du, Q., Lundin, J., Michailidou, K., Bolla, M. K., Wang, Q. ,... Lindblom, A. (2017). PHIP - a novel candidate breast cancer susceptibility locus on 6q14.1. ONCOTARGET, 8 (61), pp.102769-102782. https://doi.org/10.18632/oncotarget.21800.
Access StatusOpen Access
Most non-BRCA1/2 breast cancer families have no identified genetic cause. We used linkage and haplotype analyses in familial and sporadic breast cancer cases to identify a susceptibility locus on chromosome 6q. Two independent genome-wide linkage analysis studies suggested a 3 Mb locus on chromosome 6q and two unrelated Swedish families with a LOD >2 together seemed to share a haplotype in 6q14.1. We hypothesized that this region harbored a rare high-risk founder allele contributing to breast cancer in these two families. Sequencing of DNA and RNA from the two families did not detect any pathogenic mutations. Finally, 29 SNPs in the region were analyzed in 44,214 cases and 43,532 controls from BCAC, and the original haplotypes in the two families were suggested as low-risk alleles for European and Swedish women specifically. There was also some support for one additional independent moderate-risk allele in Swedish familial samples. The results were consistent with our previous findings in familial breast cancer and supported a breast cancer susceptibility locus at 6q14.1 around the PHIP gene.
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