NDLI: Maternal Diet Supplemented with Methyl-Donors Protects against Atherosclerosis in F1 ApoE−/− Mice

Content Provider	PubMed Central
Author	Delaney, Colin Garg, Sanjay K. Fernandes, Chris Hoeltzel, Mark Allen, Robert H. Stabler, Sally Yung, Raymond
Editor	Stover, Cordula M.
Copyright Year	2013
Abstract	Atherosclerosis is an inflammatory condition of the arterial wall mediated by cells of both innate and adaptive immunity. T lymphocytes play an important role in orchestrating the pathogenic immune response involved in the acceleration of atherosclerosis. Previously, we have shown that a prenatal methyl-donor supplementation diet (MS), when fed to dams during pregnancy and lactation, decreased the T cell-mediated pro-inflammatory cytokine and chemokine response in F1 mice. In the current study, we report feeding Apolipoprotein E (ApoE−/−) deficient dams with the MS diet during pregnancy reduces atherosclerotic plaques in F1 mice that were fed high fat diet (HFD) after weaning. F1 mice from dams on the MS diet exhibited increased global T cell DNA methylation. T-cell chemokines and their receptors (in particular CCR2, CCR5, and CXCR3) play important roles in the inflammatory cell recruitment to vascular lesions. MS diet significantly reduced Ccr2 mRNA and protein expression in CD3+ T cells but not in CD11b+ monocytes in MS F1 mice relative to controls. F1 litter size, HFD consumption, body weight, and body fat were similar between control and MS diet groups. Moreover, serum thiol metabolite levels were similar between the two groups. However, MS diet is associated with significantly higher serum HDL and lower LDL+VLDL levels in comparison to F1 mice from dams on the control diet. Inflammatory cytokines (IL-17, TNF-α, IL-6) were also lower in MS F1 mice serum and conditioned media from T-cell culture. Altogether, these data suggest that the MS diet ameliorates development of atherosclerosis by inhibiting the T-cell Ccr2 expression, reducing inflammatory cytokines production and increasing serum HDL:LDL ratio.
Related Links	http://dx.doi.org/10.1371/journal.pone.0056253
Starting Page	56253
File Format	PDF
ISSN	19326203
e-ISSN	19326203
Journal	PLoS ONE
Issue Number	2
Volume Number	8
Language	English
Publisher	Public Library of Science
Publisher Date	2013-02-21
Access Restriction	Open
Rights Holder	Public Library of Science
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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