Female chromosome X mosaicism is age-related and preferentially affects the inactivated X chromosome

Mitchell J. MacHiela, Weiyin Zhou, Eric Karlins, Joshua N. Sampson, Neal D. Freedman, Qi Yang, Belynda Hicks, Casey Dagnall, Christopher Hautman, Kevin B. Jacobs, Christian C. Abnet, Melinda C. Aldrich, Christopher Amos, Laufey T. Amundadottir, Alan A. Arslan, Laura E. Beane-Freeman, Sonja I. Berndt, Amanda Black, William J. Blot, Cathryn H. BockPaige M. Bracci, Louise A. Brinton, H. Bas Bueno-De-Mesquita, Laurie Burdett, Julie E. Buring, Mary A. Butler, Federico Canzian, Tania Carreón, Kari G. Chaffee, I. Shou Chang, Nilanjan Chatterjee, Chu Chen, Constance Chen, Kexin Chen, Charles C. Chung, Linda S. Cook, Marta Crous Bou, Michael Cullen, Faith G. Davis, Immaculata De Vivo, Ti Ding, Jennifer Doherty, Eric J. Duell, Caroline G. Epstein, Jin Hu Fan, Jonine D. Figueroa, Joseph F. Fraumeni, Christine M. Friedenreich, Charles S. Fuchs, Steven Gallinger, Yu Tang Gao, Susan M. Gapstur, Montserrat Garcia-Closas, Mia M. Gaudet, J. Michael Gaziano, Graham G. Giles, Elizabeth M. Gillanders, Edward L. Giovannucci, Lynn Goldin, Alisa M. Goldstein, Christopher A. Haiman, Goran Hallmans, Susan E. Hankinson, Curtis C. Harris, Roger Henriksson, Elizabeth A. Holly, Yun Chul Hong, Robert N. Hoover, Chao A. Hsiung, Nan Hu, Wei Hu, David J. Hunter, Amy Hutchinson, Mazda Jenab, Christoffer Johansen, Kay Tee Khaw, Hee Nam Kim, Yeul Hong Kim, Young Tae Kim, Alison P. Klein, Robert Klein, Woon Puay Koh, Laurence N. Kolonel, Charles Kooperberg, Peter Kraft, Vittorio Krogh, Robert C. Kurtz, Andrea Lacroix, Qing Lan, Maria Teresa Landi, Loic Le Marchand, Donghui Li, Xiaolin Liang, Linda M. Liao, Dongxin Lin, Jianjun Liu, Jolanta Lissowska, Lingeng Lu, Anthony M. Magliocco, Nuria Malats, Keitaro Matsuo, Lorna H. McNeill, Robert R. McWilliams, Beatrice S. Melin, Lisa Mirabello, Lee Moore, Sara H. Olson, Irene Orlow, Jae Yong Park, Ana Patinõ-Garcia, Beata Peplonska, Ulrike Peters, Gloria M. Petersen, Loreall Pooler, Jennifer Prescott, Ludmila Prokunina-Olsson, Mark P. Purdue, You Lin Qiao, Preetha Rajaraman, Francisco X. Real, Elio Riboli, Harvey A. Risch, Benjamin Rodriguez-Santiago, Avima M. Ruder, Sharon A. Savage, Fredrick Schumacher, Ann G. Schwartz, Kendra L. Schwartz, Adeline Seow, Veronica Wendy Setiawan, Gianluca Severi, Hongbing Shen, Xin Sheng, Min Ho Shin, Xiao Ou Shu, Debra T. Silverman, Margaret R. Spitz, Victoria L. Stevens, Rachael Stolzenberg-Solomon, Daniel Stram, Ze Zhong Tang, Philip R. Taylor, Lauren R. Teras, Geoffrey S. Tobias, David Van Den Berg, Kala Visvanathan, Sholom Wacholder, Jiu Cun Wang, Zhaoming Wang, Nicolas Wentzensen, William Wheeler, Emily White, John K. Wiencke, Brian M. Wolpin, Maria Pik Wong, Chen Wu, Tangchun Wu, Xifeng Wu, Yi Long Wu, Jay S. Wunder, Lucy Xia, Hannah P. Yang, Pan Chyr Yang, Kai Yu, Krista A. Zanetti, Anne Zeleniuch-Jacquotte, Wei Zheng, Baosen Zhou, Regina G. Ziegler, Luis A. Perez-Jurado, Neil E. Caporaso, Nathaniel Rothman, Margaret Tucker, Michael C. Dean, Meredith Yeager, Stephen J. Chanock

    Research output: Contribution to journalArticlepeer-review

    92 Citations (Scopus)

    Abstract

    To investigate large structural clonal mosaicism of chromosome X, we analysed the SNP microarray intensity data of 38,303 women from cancer genome-wide association studies (20,878 cases and 17,425 controls) and detected 124 mosaic X events >2 Mb in 97 (0.25%) women. Here we show rates for X-chromosome mosaicism are four times higher than mean autosomal rates; X mosaic events more often include the entire chromosome and participants with X events more likely harbour autosomal mosaic events. X mosaicism frequency increases with age (0.11% in 50-year olds; 0.45% in 75-year olds), as reported for Y and autosomes. Methylation array analyses of 33 women with X mosaicism indicate events preferentially involve the inactive X chromosome. Our results provide further evidence that the sex chromosomes undergo mosaic events more frequently than autosomes, which could have implications for understanding the underlying mechanisms of mosaic events and their possible contribution to risk for chronic diseases.

    Original languageEnglish
    Article number11843
    JournalNature communications
    Volume7
    DOIs
    Publication statusPublished - 2016 Jun 13

    Bibliographical note

    Funding Information:
    Center for Genotyping and Analysis (U01HG04424); Cancer Prevention Study-II (American Cancer Society); Center for Inherited Disease Research (U01HG004438, HHSN268200782096C); Endometrial cancer (R01 CA 134958); Fred Hutchinson Cancer Research Center (funds from the Fred Hutchinson Cancer Research Center and National Institute of Health grants (R35 CA 39779, RO1 CA 75977, RO3 CA 80636, N01 HD 2 3166, K05 CA 92002, CA 105212 and R01 CA87538)); Fudan Lung Cancer Study (Ministry of Health (201002007); Ministry of Science and Technology (2011BAI09B00); National S&T Major Special Project (2011ZX09102-010-01); China National High-Tech Research and Development Program (2012AA02A517, 2012AA02A518); National Science Foundation of China (30890034); National Basic Research Program (2012CB944600); Scientific and Technological Support Plans from Jiangsu Province (BE2010715)); Gene-Environment Association Studies (Coordinating Center:U01 HG004446, Manuscript preparation: P01-GM099568); Genes and Environment in Lung Cancer, Singapore Study (National Medical Research Council Singapore grant.

    ASJC Scopus subject areas

    • General Chemistry
    • General Biochemistry,Genetics and Molecular Biology
    • General Physics and Astronomy

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