Document Detail

Perinatal manipulation of α-linolenic acid intake induces epigenetic changes in maternal and offspring livers.
MedLine Citation:
PMID:  22997227     Owner:  NLM     Status:  Publisher    
Previous studies indicated that the intake of α-linolenic acid (ALA) can alter the concentration of both ω-6 and ω-3 fatty acids in both mother and offspring, with consequences on postnatal brain development. This study describes the association between maternal ALA availability during gestation and lactation, and alterations in the Fads2 DNA methylation in both maternal and offspring livers, at the end of lactation period. Both Fads2 promoter and intron 1 DNA methylation were increased in the groups receiving postnatal flaxseed oil containing 50% ALA (mothers or pups), while bivariate analysis indicated a significant association of the Fads2 epigenetic status in the liver between each mother and its offspring. In addition, Fads2 expression was negatively correlated with promoter methylation at the individual level in maternal livers (P<0.05). This study also indicated that the interplay between ALA availability during gestation and lactation can differentially alter the expression of desaturases and elongases involved in ω-6 and ω-3 metabolic pathways. In summary, when considering the perinatal dietary ALA requirements in mice, both gestation and lactation periods should be considered as having distinct roles in modulating the metabolism of ω-6 and ω-3 fatty acids in maternal mouse livers.-Niculescu, M. D., Lupu, D. S., Craciunescu, C. N. Perinatal manipulation of α-linolenic acid intake induces epigenetic changes in maternal and offspring livers.
Mihai D Niculescu; Daniel S Lupu; Corneliu N Craciunescu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-20
Journal Detail:
Title:  FASEB journal : official publication of the Federation of American Societies for Experimental Biology     Volume:  -     ISSN:  1530-6860     ISO Abbreviation:  FASEB J.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8804484     Medline TA:  FASEB J     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
*University of North Carolina Nutrition Research Institute, Kannapolis, North Carolina, USA; and.
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