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Nature Research, Nature Communications, 1(4), 2013

DOI: 10.1038/ncomms2613

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Identification and molecular characterization of a new ovarian cancer susceptibility locus at 17q21.31

Journal article published in 2013 by Jennifer Permuth-Wey, Zhihua Chen, Kate Lawrenson, Howard C. Shen, Aneliya Velkova, Jonathan P. Tyrer, Y. Ann Chen, Hui-Yi Lin, Ya-Yu Tsai, Xiaotao Qu, Susan J. Ramus ORCID, Rod Karevan, Y. Ann Chen, Janet Lee, Nathan Lee and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Epithelial ovarian cancer (EOC) has a heritable component that remains to be fully characterized. Most identified common susceptibility variants lie in non-protein-coding sequences. We hypothesized that variants in the 3′ untranslated region at putative microRNA (miRNA)-binding sites represent functional targets that influence EOC susceptibility. Here, we evaluate the association between 767 miRNA-related single-nucleotide polymorphisms (miRSNPs) and EOC risk in 18,174 EOC cases and 26,134 controls from 43 studies genotyped through the Collaborative Oncological Gene-environment Study. We identify several miRSNPs associated with invasive serous EOC risk (odds ratio=1.12, P=10-8) mapping to an inversion polymorphism at 17q21.31. Additional genotyping of non-miRSNPs at 17q21.31 reveals stronger signals outside the inversion (P=10-10). Variation at 17q21.31 is associated with neurological diseases, and our collaboration is the first to report an association with EOC susceptibility. An integrated molecular analysis in this region provides evidence for ARHGAP27 and PLEKHM1 as candidate EOC susceptibility genes. © 2013 Macmillan Publishers Limited. All rights reserved.