The DOI matches its Crossref record; 15 of the 15 references it cites were found in a registry or an index.
Feeding pregnant rats a protein-restricted diet persistently alters the methylation of specific cytosines in the hepatic PPARα promoter of the offspring
Open accessAbstract
Induction of an altered phenotype by prenatal under-nutrition involves changes in the epigenetic regulation of specific genes. We investigated the effect of feeding pregnant rats a protein-restricted (PR) diet with different amounts of folic acid on the methylation of individual CpG dinucleotides in the hepatic PPARα promoter in juvenile offspring, and the effect of the maternal PR diet on CpG methylation in adult offspring. Pregnant rats (five per group) were fed 180 g/kg casein (control) or 90 g/kg casein with 1 mg/kg folic acid (PR), or 90 g/kg casein and 5 mg/kg folic acid (PRF). Offspring were killed on postnatal day 34 (five males and females per group) and day 80 (five males per group). Methylation of sixteen CpG dinucleotides in the PPARα promoter was measured by pyrosequencing. Mean PPARα promoter methylation in the PR offspring (4·5 %) was 26 % lower than controls (6·1 %) due to specific reduction at CpG dinucleotides 2 (40 %), 3 (43 %), 4 (33 %) and 16 (48 %) (P < 0·05). There was no significant difference in methylation at these CpG between control and PRF offspring. Methylation of CpG 5 and 8 was higher (47 and 63 %, respectively, P < 0·05) in the PRF offspring than control or PR offspring. The methylation pattern in day 80 PR offspring was comparable to day 34 PR offspring. These data show for the first time that prenatal nutrition induces differential changes to the methylation of individual CpG dinucleotides in juvenile rats which persist in adults.
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Cites
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Self-citationFetal programming and adult health
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Epigenetic mechanisms that underpin metabolic and cardiovascular diseases
Gluckman, P. D., Hanson, M. A., Buklijas, T., Low, F. M., & Beedle, A. S. (2009) · Nature Reviews Endocrinology · doi:10.1038/nrendo.2009.102 · Cited by 627
Self-citationThe developmental origins of sarcopenia
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Metadata
- Authors
- Lillycrop, K. A., Phillips, E. S., Torrens, C., Hanson, M. A., Jackson, A. A., & Burdge, G. C.
- Venue
- British Journal of Nutrition
- Publisher
- Cambridge University Press (CUP)
- Published
- 2008-08
- Volume
- 100
- Issue
- 2
- Pages
- 278-282
- ISSN
- 0007-1145 (ISSN-L)
- 1475-2662
- OpenAlex
- W2105686571
- Cited by
- 455
- References
- 15
- FWCI
- 33.94
- Type
- journal article
- Language
- en
- Open access
- bronze
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