Maternal emulsifier consumption programs offspring metabolic and neuropsychological health
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ABSTRACT:
PROVIDER: PRJNA967660 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR24445724_1.fastq.gz | Fastqsanger.gz | |||
| SRR24445724_2.fastq.gz | Fastqsanger.gz | |||
| SRR24445725_1.fastq.gz | Fastqsanger.gz | |||
| SRR24445725_2.fastq.gz | Fastqsanger.gz | |||
| SRR24445726_1.fastq.gz | Fastqsanger.gz |
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Project description:Modern lifestyle is associated with a major consumption of ultra-processed foods (UPF) due to their practicality and palatability. The ingestion of emulsifiers, a main additive in UPFs, has been related to gut inflammation, microbiota dysbiosis, adiposity and obesity. Maternal unbalanced nutritional habits during embryonic and perinatal stages perturb offspring’s long-term metabolic health, thus increasing obesity and associated comorbidity risk. However, whether maternal emulsifier consumption influences developmental programming in the offspring remains unknown. Here we show that, in mice, maternal consumption of dietary emulsifiers (1% CMC and 1% P80 in drinking water), during gestation and lactation, perturbs the development of hypothalamic energy balance regulation centers of the progeny, leads to metabolic impairments, cognition deficits and induces anxiety-like traits in a sex-specific manner. Our findings support the notion that maternal consumption of emulsifiers, common additives of UPFs, causes mild metabolic and neuropsychological malprogramming in the progeny. Our data call for nutritional advice during gestation.
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Project description:This SuperSeries is composed of the following subset Series: GSE40471: Maternal slimming reprograms metabolic gene expression in mice offspring (NimbleGen expression) GSE40477: Maternal slimming reprograms metabolic gene expression in mice offspring (NimbleGen methylation) GSE40478: Maternal slimming reprograms metabolic gene expression in mice offspring (mRNA-Seq) Refer to individual Series
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Project description:Maternal exposure during pregnancy is a strong determinant of offspring health outcomes. Such exposures induce changes in the offspring epigenome resulting in gene expression and functional changes. In this study, we investigated the effect of maternal Western hypercaloric diet (HCD) programming during the perinatal period and its effect on neuronal plasticity and cardiometabolic health in adult offspring. C57BL/6J dams were fed HCD for 1 month prior to mating with regular diet (RD) sires and kept on the same diet throughout pregnancy and lactation. At weaning, offspring were maintained on either HCD or RD for 3 months duration. Maternal programming resulted in male-specific hypertension and hyperglycemia, with both males and females showing increased sympathetic tone to the vasculature. Surprisingly, programmed male offspring fed on HCD exhibited lower glucose levels, less insulin resistance, and leptin levels compared to non-programmed HCD-fed male mice. Hypothalamic genes involved in glial and astrocytic differentiation were differentially methylated in programmed male offspring. Genes involved in inflammation and type 2 diabetes were targeted by differentially expressed miRNA in programmed male offspring. Methyl-seq data were supported by our findings of astrogliosis and microgliosis as well as increased microglial activation in programmed males in the paraventricular nucleus (PVN). Aligned with programming-induced protective effect in HCD male mice, we observed lower protein levels of hypothalamic TGFβ2, NF-κB2, NF-κBp65, Ser-pIRS1, and GLP1R compared to non-programmed HCD-fed male mice. In conclusion, our study shows that maternal HCD programs neuronal plasticity in the offspring and results in male-specific hypertension and hyperglycemia. On the other hand, we observed a compensatory role of programming potentially by priming metabolic pathways to handle excess nutrients in a more efficient way.
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Project description:Maternal exposure during pregnancy is a strong determinant of offspring health outcomes. Such exposures induce changes in the offspring epigenome resulting in gene expression and functional changes. In this study, we investigated the effect of maternal Western hypercaloric diet (HCD) programming during the perinatal period and its effect on neuronal plasticity and cardiometabolic health in adult offspring. C57BL/6J dams were fed HCD for 1 month prior to mating with regular diet (RD) sires and kept on the same diet throughout pregnancy and lactation. At weaning, offspring were maintained on either HCD or RD for 3 months duration. Maternal programming resulted in male-specific hypertension and hyperglycemia, with both males and females showing increased sympathetic tone to the vasculature. Surprisingly, programmed male offspring fed on HCD exhibited lower glucose levels, less insulin resistance, and leptin levels compared to non-programmed HCD-fed male mice. Hypothalamic genes involved in glial and astrocytic differentiation were differentially methylated in programmed male offspring. Genes involved in inflammation and type 2 diabetes were targeted by differentially expressed miRNA in programmed male offspring. Methyl-seq data were supported by our findings of astrogliosis and microgliosis as well as increased microglial activation in programmed males in the paraventricular nucleus (PVN). Aligned with programming-induced protective effect in HCD male mice, we observed lower protein levels of hypothalamic TGFβ2, NF-κB2, NF-κBp65, Ser-pIRS1, and GLP1R compared to non-programmed HCD-fed male mice. In conclusion, our study shows that maternal HCD programs neuronal plasticity in the offspring and results in male-specific hypertension and hyperglycemia. On the other hand, we observed a compensatory role of programming potentially by priming metabolic pathways to handle excess nutrients in a more efficient way.
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