Cited by 40Birth, Development, and HealthEpigenetics and DNA MethylationGenomics and Chromatin Dynamics

Prenatal Exposure to a Maternal High-Fat Diet Affects Histone Modification of Cardiometabolic Genes in Newborn Rats

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Upadhyaya, Bijaya, Larsen, Tricia, Barwari, Shivon, Louwagie, Eli, Baack, Michelle, Dey, Moul·2017·Nutrients

Abstract

Infants born to women with diabetes or obesity are exposed to excess circulating fuels during fetal heart development and are at higher risk of cardiac diseases. We have previously shown that late-gestation diabetes, especially in conjunction with a maternal high-fat (HF) diet, impairs cardiac functions in rat-offspring. This study investigated changes in genome-wide histone modifications in newborn hearts from rat-pups exposed to maternal diabetes and HF-diet. Chromatin-immunoprecipitation-sequencing revealed a differential peak distribution on gene promoters in exposed pups with respect to acetylation of lysines 9 and 14 and to trimethylation of lysines 4 and 27 in histone H3 (all, false discovery rate, FDR < 0.1). In the HF-diet exposed offspring, 54% of the annotated genes showed the gene-activating mark trimethylated lysine 4. Many of these genes (1) are associated with the “metabolic process” in general and particularly with “positive regulation of cholesterol biosynthesis” (FDR = 0.03); (2) overlap with 455 quantitative trait loci for blood pressure, body weight, serum cholesterol (all, FDR < 0.1); and (3) are linked to cardiac disease susceptibility/progression, based on disease ontology analyses and scientific literature. These results indicate that maternal HF-diet changes the cardiac histone signature in offspring suggesting a fuel-mediated epigenetic reprogramming of cardiac tissue in utero.

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Authors
Upadhyaya, B., Larsen, T., Barwari, S., Louwagie, E., Baack, M., & Dey, M.
Affiliations
  • South Dakota State University (US)
  • Sanford Research (US)
  • University of South Dakota (US)
Corresponding author
  • Baack, Michelle
  • Dey, Moul
Venue
Nutrients
Publisher
MDPI AG
Published
2017-04-20
Volume
9
Issue
4
Pages
407
ISSN
2072-6643 (ISSN-L)
OpenAlex
W2607367045
Cited by
40
References
72
Citations by year
2026: 4 · 2025: 4 · 2024: 4 · 2023: 4 · 2022: 3 · 2021: 5 · 2020: 9 · 2019: 6 · 2017: 1
FWCI
4.78
Type
journal article
Language
en
Open access
Locations
  • Nutrients (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Institutes of Health (K08HD078504)
  • National Institute of Food and Agriculture (1004817)
Topics
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Birth, Development, and Health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
maternal high-fat diet, maternal diabetes, prenatal exposure, histone modifications, newborn heart, H3K4 trimethylation, H3K9 acetylation, H3K27me3, epigenetic reprogramming, cholesterol biosynthesis, quantitative trait loci, fetal heart development
MeSH terms
Animals, Animals, Newborn, Blood Pressure, Body Weight, Cardiovascular Diseases, Cholesterol, Diabetes Mellitus, Experimental, Female, Pregnancy, Prenatal Exposure Delayed Effects, Promoter Regions, Genetic, Rats, Sprague-Dawley, Sequence Analysis, DNA, Gene Expression Regulation, Developmental, Genetic Predisposition to Disease, Metabolic Syndrome, Maternal Nutritional Physiological Phenomena, Quantitative Trait Loci, Histone Code, Epigenesis, Genetic, Fetal Development, Rats, Genetic Association Studies, Diet, High-Fat

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