Measured maternal prepregnancy anthropometry and newborn DNA methylation

Edwina H. Yeung, Weihua Guan, Sunni L. Mumford, Robert M. Silver, Cuilin Zhang, Michael Y. Tsai, Enrique F. Schisterman

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

AIM: We examined maternal prepregnancy anthropometry and cord blood DNA methylation.

METHODS: Associations between maternal measures (i.e., weight, height, waist circumference, hip circumference, skinfolds, leptin) and methylation β-values at each CpG (measured by the Infinium MethylationEPIC BeadChip) were estimated among 391 singletons.

RESULTS: Total of 18% of mothers were obese (body mass index ≥ 30) and 27% centrally obese (waist-to-hip ratio ≥ 0.85). One Bonferroni significant CpG with respect to obesity (cg02975187) and two with central obesity (cg12053563, cg12549355) were identified (p < 6 × 10 -8). A suggestive association (p < 10 -6) was observed at SFRS8 with increasing body mass index. SFRS8 was previously identified with propensity for weight gain in adults.

CONCLUSION: While associations identified with multiple measures related to maternal adiposity suggest different pathways, methylation differences were small in magnitude.

Original languageEnglish (US)
Pages (from-to)187-198
Number of pages12
JournalEpigenomics
Volume11
Issue number2
DOIs
StatePublished - Feb 1 2019

Bibliographical note

Publisher Copyright:
© 2019 Future Medicine Ltd.

Keywords

  • DNA methylation
  • maternal obesity
  • newborn
  • pregnancy

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