Cited by 120Neurotransmitter Receptor Influence on BehaviorNeuroendocrine regulation and behaviorStress Responses and Cortisol

Effects of maternal care on the development of midbrain dopamine pathways and reward-directed behavior in female offspring

Peña, Catherine Jensen, Neugut, Y Dana, Calarco, Cali A., Champagne, Frances A.·2014·European Journal of Neuroscience

Abstract

Variation within mesolimbic dopamine (DA) pathways has significant implications for behavioral responses to rewards, and previous studies have indicated long-term programming effects of early life stress on these pathways. In the current study, we examined the impact of natural variations in maternal care in Long Evans rats on the development of DA pathways in female offspring and the consequences for reward-directed behaviors. We found that tyrosine hydroxylase (TH) immunoreactivity in the ventral tegmental area was elevated by postnatal day 6 in response to maternal licking/grooming (LG), and that these effects were sustained into adulthood. Increased TH immunoreactivity was not found to be associated with altered epigenetic regulation or transcriptional activation of Th, but probably involved LG-associated changes in the differentiation of postnatal DA neurons through increased expression of Cdkn1c, and enhanced survival of DA projections through LG-associated increases in Lmx1b and brain-derived neurotrophic factor. At weaning, high-LG offspring had elevated DA receptor mRNA levels within the nucleus accumbens and increased conditioned place preference for a high-fat diet. In contrast, high-LG, as compared with low-LG, juvenile offspring had a reduced preference for social interactions with siblings, and haloperidol administration abolished group differences in conditioned place preference through a shift towards increased social preferences in high-LG offspring. The effects of maternal care on developing DA pathways and reward-directed behavior of female offspring that we have observed may play a critical role in the behavioral transmission of maternal LG from mother to daughter, and account for individual differences in the mesolimbic DA system.

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Crossref · 10.1111/ejn.12479

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  • In rodent studies, early life adversity (ELA) induces alterations in DA neuronal activity and synaptic function, impacting reward-directed behavior and partially accounting for individual variation along the mesolimbic DA projection.

    “In rodent studies, early life adversity (ELA) has been shown to induce alterations in DA neuronal activity and synaptic function [15], impacting reward-directed behavior and partially accounting for individual variation along the mesolimbic DA projection [16].”

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Authors
Peña, C. J., Neugut, Y. D., Calarco, C. A., & Champagne, F. A.
Affiliations
  • Icahn School of Medicine at Mount Sinai (US)
  • Columbia University (US)
  • Yale University (US)
Corresponding author
Champagne, Frances A.
Venue
European Journal of Neuroscience
Publisher
Wiley
Published
2014-01-21
Volume
39
Issue
6
Pages
946-956
ISSN
  • 0953-816X (ISSN-L)
  • 1460-9568
OpenAlex
W2120962478
Cited by
120
References
89
Citations by year
2026: 3 · 2025: 6 · 2024: 2 · 2023: 7 · 2022: 4 · 2021: 7 · 2020: 24 · 2019: 13 · 2018: 12 · 2017: 8 · 2016: 11 · 2015: 17 · 2014: 6
FWCI
6.40
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
NIH Office of the Director (1DP2OD001674-01)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
maternal care, mesolimbic dopamine system, ventral tegmental area, tyrosine hydroxylase, CDKN1C, Lmx1b, brain-derived neurotrophic factor, dopamine receptor expression, nucleus accumbens, conditioned place preference, high-fat diet, social behavior, haloperidol, epigenetic regulation, Long-Evans rats, female offspring, early life stress, intergenerational transmission
MeSH terms
Animals, Female, Maternal Behavior, Mesencephalon, Receptors, Dopamine, Reward, RNA, Messenger, Transcription Factors, Tyrosine 3-Monooxygenase, Brain-Derived Neurotrophic Factor, Rats, Long-Evans, Cyclin-Dependent Kinase Inhibitor p21, Rats, Dopaminergic Neurons, LIM-Homeodomain Proteins

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