Document Detail

The epigenetics of maternal cigarette smoking during pregnancy and effects on child development.
MedLine Citation:
PMID:  23062304     Owner:  NLM     Status:  MEDLINE    
The period of in utero development is one of the most critical windows during which adverse intrauterine conditions and exposures can influence the growth and development of the fetus as well as the child's future postnatal health and behavior. Maternal cigarette smoking during pregnancy remains a relatively common but nonetheless hazardous in utero exposure. Previous studies have associated prenatal smoke exposure with reduced birth weight, poor developmental and psychological outcomes, and increased risk for diseases and behavioral disorders later in life. Researchers are now learning that many of the mechanisms whereby maternal smoke exposure may affect key pathways crucial for proper fetal growth and development are epigenetic in nature. Maternal cigarette smoking during pregnancy has been associated with altered DNA methylation and dysregulated expression of microRNA, but a deeper understanding of the epigenetics of maternal cigarette smoking during pregnancy as well as how these epigenetic changes may affect later health and behavior remain to be elucidated. This article seeks to explore many of the previously described epigenetic alterations associated with maternal cigarette smoking during pregnancy and assess how such changes may have consequences for both fetal growth and development, as well as later child health, behavior, and well-being. We also outline future directions for this new and exciting field of research.
Valerie S Knopik; Matthew A Maccani; Sarah Francazio; John E McGeary
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Review    
Journal Detail:
Title:  Development and psychopathology     Volume:  24     ISSN:  1469-2198     ISO Abbreviation:  Dev. Psychopathol.     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-10-15     Completed Date:  2013-04-17     Revised Date:  2013-11-06    
Medline Journal Info:
Nlm Unique ID:  8910645     Medline TA:  Dev Psychopathol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1377-90     Citation Subset:  IM    
Rhode Island Hospital, RI, USA.
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MeSH Terms
Brain* / drug effects,  embryology,  growth & development
Child Behavior / drug effects
Child Development / drug effects
Epigenesis, Genetic / drug effects*
Fetal Development / drug effects*,  genetics
Gene Expression Regulation, Developmental / drug effects
Infant Behavior / drug effects
Prenatal Exposure Delayed Effects*
Smoking / adverse effects*
Grant Support

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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