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Mosaic chromosome Y loss is associated with alterations in blood cell counts in UK Biobank men

  1. Author:
    Lin, Shu-Hong
    Loftfield, Erikka
    Sampson, Josh N
    Zhou,Weiyin
    Yeager,Meredith
    Freedman, Neal D
    Chanock, Stephen J
    Machiela, Mitchell J

  2. Author Address

    Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, 9609 Medical Center Drive MSC 9776, Bethesda, Maryland, 20892, USA., Cancer Genomics Research Laboratory, Frederick National Laboratory for Cancer Research, Frederick, Maryland, 8717 Grovemont Circle, Gaithersburg, MD, 20877, USA., Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, 9609 Medical Center Drive MSC 9776, Bethesda, Maryland, 20892, USA. mitchell.machiela@nih.gov.,
    1. Year: 2020
    2. Date: Feb 27
    3. Epub Date: 2020 02 27
  2. Journal: Scientific reports
    1. 10
    2. 1
    3. Pages: 3655
  4. Type of Article: Article
  5. Article Number: 3655
  6. ISSN: 2045-2322
  1. Abstract:

    Mosaic loss of Y chromosome (mLOY) is the most frequently detected somatic copy number alteration in leukocytes of men. In this study, we investigate blood cell counts as a potential mechanism linking mLOY to disease risk in 206,353 UK males. Associations between mLOY, detected by genotyping arrays, and blood cell counts were assessed by multivariable linear models adjusted for relevant risk factors. Among the participants, mLOY was detected in 39,809 men. We observed associations between mLOY and reduced erythrocyte count (-0.009 [-0.014, -0.005]? 215;?1012 cells/L, p?=?2.75? 215;?10-5) and elevated thrombocyte count (5.523 [4.862, 6.183]? 215;?109 cells/L, p?=?2.32? 215;?10-60) and leukocyte count (0.218 [0.198, 0.239]? 215;?109 cells/L, p?=?9.22? 215;?10-95), particularly for neutrophil count (0.174? 215;?[0.158, 0.190]109 cells/L, p?=?1.24? 215;?10-99) and monocyte count (0.021 [0.018 to 0.024]? 215;?109 cells/L, p?=?6.93? 215;?10-57), but lymphocyte count was less consistent (0.016 [0.007, 0.025]? 215;?109 cells/L, p?=?8.52? 215;?10-4). Stratified analyses indicate these associations are independent of the effects of aging and smoking. Our findings provide population-based evidence for associations between mLOY and blood cell counts that should stimulate investigation of the underlying biological mechanisms linking mLOY to cancer and chronic disease risk.

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External Sources

  1. View Full Text
  2. DOI: 10.1038/s41598-020-59963-8
  3. PMID: 32108144
  4. PMCID: PMC7046668
  5. View record in Web of Science®
  6. WOS: 000563070500009
  7. PII : 10.1038/s41598-020-59963-8

Library Notes

  1. Fiscal Year: FY2019-2020
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