| Child abuse and epigenetic mechanisms of disease risk. | |
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MedLine Citation:
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PMID: 23332324 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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BACKGROUND: Child abuse is highly prevalent and associated with increased risk for a range of health problems, including cancer, cardiovascular disease, diabetes, psychiatric disorders, and other health problems. Little is currently known about the mechanism by which early adversity confers risk for health problems later in life. PURPOSE: To determine if there are epigenetic differences associated with child maltreatment that may help explain association between adverse childhood experiences and later health problems. METHODS: As part of a study examining genetic and environmental factors associated with depression, saliva DNA specimens were collected on 96 maltreated children removed from their parents due to abuse or neglect and 96 demographically matched control children between 2003 and 2010. In 2011, the Illumina 450K BeadChip was used on stored DNA specimens and analyzed to examine whole-genome methylation differences between maltreated and control children. RESULTS: After controlling for multiple comparisons, maltreated and control children had significantly different methylation values at 2868 CpG sites (p<5.0 × 10(-7), all sites; average methylation difference per site=17%; range=1%-62%). The gene set contained numerous markers of diseases and biological processes related to the health problems associated with early childhood adversity. CONCLUSIONS: Although replication is required, this study suggests that epigenetic mechanisms may be associated with risk for health problems later in life in maltreated children. This study lays the groundwork for future studies examining health and methylation measures to further characterize the role of epigenetic mechanisms in conferring risk for medical problems in individuals with histories of early adversity. |
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Authors:
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Bao-Zhu Yang; Huiping Zhang; Wenjing Ge; Natalie Weder; Heather Douglas-Palumberi; Francheska Perepletchikova; Joel Gelernter; Joan Kaufman |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: American journal of preventive medicine Volume: 44 ISSN: 1873-2607 ISO Abbreviation: Am J Prev Med Publication Date: 2013 Feb |
Date Detail:
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Created Date: 2013-01-21 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8704773 Medline TA: Am J Prev Med Country: Netherlands |
Other Details:
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Languages: eng Pagination: 101-7 Citation Subset: IM |
Copyright Information:
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Copyright © 2013 American Journal of Preventive Medicine. Published by Elsevier Inc. All rights reserved. |
Affiliation:
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Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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