Early-life social experience affects offspring DNA methylation and later life stress phenotype

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2021
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Turner, Julie W.
Pioon, Malit O.
Sawdy, Maggie A.
Smale, Laura
Cavalcante, Raymond G.
Padmanabhan, Karthik R.
Lalancette, Claudia
Laubach, Zachary M.
Greenberg, Julia R.
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Nature communications. Nature Publishing Group. 2021, 12(1), 4398. eISSN 2041-1723. Available under: doi: 10.1038/s41467-021-24583-x
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Studies in rodents and captive primates suggest that the early-life social environment affects future phenotype, potentially through alterations to DNA methylation. Little is known of these associations in wild animals. In a wild population of spotted hyenas, we test the hypothesis that maternal care during the first year of life and social connectedness during two periods of early development leads to differences in DNA methylation and fecal glucocorticoid metabolites (fGCMs) later in life. Here we report that although maternal care and social connectedness during the den-dependent life stage are not associated with fGCMs, greater social connectedness during the subadult den-independent life stage is associated with lower adult fGCMs. Additionally, more maternal care and social connectedness after den independence correspond with higher global (%CCGG) DNA methylation. We also note differential DNA methylation near 5 genes involved in inflammation, immune response, and aging that may link maternal care with stress phenotype.

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570 Biowissenschaften, Biologie
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ISO 690TURNER, Julie W., Tracy M. MONTGOMERY, Malit O. PIOON, Maggie A. SAWDY, Laura SMALE, Raymond G. CAVALCANTE, Karthik R. PADMANABHAN, Claudia LALANCETTE, Zachary M. LAUBACH, Julia R. GREENBERG, 2021. Early-life social experience affects offspring DNA methylation and later life stress phenotype. In: Nature communications. Nature Publishing Group. 2021, 12(1), 4398. eISSN 2041-1723. Available under: doi: 10.1038/s41467-021-24583-x
BibTex
@article{Turner2021Early-56546,
  year={2021},
  doi={10.1038/s41467-021-24583-x},
  title={Early-life social experience affects offspring DNA methylation and later life stress phenotype},
  number={1},
  volume={12},
  journal={Nature communications},
  author={Turner, Julie W. and Montgomery, Tracy M. and Pioon, Malit O. and Sawdy, Maggie A. and Smale, Laura and Cavalcante, Raymond G. and Padmanabhan, Karthik R. and Lalancette, Claudia and Laubach, Zachary M. and Greenberg, Julia R.},
  note={Article Number: 4398}
}
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