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Perinatal Malnutrit...
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Nätt, DanielLinköpings universitet,Centrum för social och affektiv neurovetenskap,Medicinska fakulteten,Columbia University, NY 10027 USA
(författare)
Perinatal Malnutrition Leads to Sexually Dimorphic Behavioral Responses with Associated Epigenetic Changes in the Mouse Brain
- Artikel/kapitelEngelska2017
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2017-09-11
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NATURE PUBLISHING GROUP,2017
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electronicrdacarrier
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LIBRIS-ID:oai:DiVA.org:liu-141717
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-141717URI
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https://doi.org/10.1038/s41598-017-10803-2DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Funding Agencies|Swedish Research Council; Swedish Society for Medical Research; Centre for Systems Neurobiology at Linkoping University; Sackler Foundation
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Childhood malnutrition is a risk factor for mental disorders, such as major depression and anxiety. Evidence shows that similar early life adversities induce sex-dependent epigenetic reprogramming. However, little is known about how genes are specifically affected by early malnutrition and the implications for males and females respectively. One relevant target is neuropeptide Y (NPY), which regulates both stress and food-intake. We studied maternal low protein diet (LPD) during pregnancy/lactation in mice. Male, but not female, offspring of LPD mothers consistently displayed anxiety-and depression-like behaviors under acute stress. Transcriptome-wide analysis of the effects of acute stress in the amygdala, revealed a list of transcription factors affected by either sex or perinatal LPD. Among these immediate early genes (IEG), members of the Early growth response family (Egr1/2/4) were consistently upregulated by perinatal LPD in both sexes. EGR1 also bound the NPY receptor Y1 gene (Npy1r), which co-occurred with sex-specific effects of perinatal LPD on both Npy1r DNA-methylation and gene transcription. Our proposed pathway connecting early malnutrition, sex-independent regulatory changes in Egr1, and sex-specific epigenetic reprogramming of its effector gene, Npy1r, represents the first molecular evidence of how early life risk factors may generate sex-specific epigenetic effects relevant for mental disorders.
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Barchiesi, RiccardoLinköpings universitet,Centrum för social och affektiv neurovetenskap,Medicinska fakulteten(Swepub:liu)ricba75
(författare)
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Murad, JosefLinköpings universitet,Centrum för social och affektiv neurovetenskap,Medicinska fakulteten
(författare)
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Feng, JianFlorida State University, FL 32306 USA; Icahn School Medical Mt Sinai, NY 10029 USA
(författare)
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Nestler, Eric J.Icahn School Medical Mt Sinai, USA
(författare)
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Champagne, Frances A.Columbia University, USA
(författare)
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Thorsell, AnnikaLinköpings universitet,Centrum för social och affektiv neurovetenskap,Medicinska fakulteten(Swepub:liu)annth96
(författare)
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Linköpings universitetCentrum för social och affektiv neurovetenskap
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Scientific Reports: NATURE PUBLISHING GROUP72045-2322
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