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Prenatal Bisphenol A Exposure in Mice Induces Multi-tissue Multi-omics Disruptions Linking to Cardiometabolic Disorders (RRBS)

ABSTRACT: The health impacts of endocrine disrupting chemicals (EDCs) remain debated and their tissue and molecular targets are poorly understood. Here, we leveraged systems biology approaches to assess the target tissues, molecular pathways, and gene regulatory networks associated with prenatal exposure to the model EDC Bisphenol A (BPA). Prenatal BPA exposure led to scores of transcriptomic and methylomic alterations in the adipose, hypothalamus, and liver tissues in mouse offspring, with cross-tissue perturbations in lipid metabolism as well as tissue-specific alterations in histone subunits, glucose metabolism and extracellular matrix. Network modeling prioritized main molecular targets of BPA, including Pparg, Hnf4a, Esr1, Srebf1, and Fasn. Lastly, integrative analyses identified the association of BPA molecular signatures with cardiometabolic phenotypes in mouse and human. Our multi-tissue, multi-omics investigation provides strong evidence that BPA perturbs diverse molecular networks in central and peripheral tissues, and offers insights into the molecular targets that link BPA to human cardiometabolic disorders.

ORGANISM(S): Mus musculus

PROVIDER: GSE121604 | GEO | 2018/10/23

REPOSITORIES: GEO

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Prenatal Bisphenol A Exposure in Mice Induces Multi-tissue Multi-omics Disruptions Linking to Cardiometabolic Disorders (RNA-Seq)

Project description:The health impacts of endocrine disrupting chemicals (EDCs) remain debated and their tissue and molecular targets are poorly understood. Here, we leveraged systems biology approaches to assess the target tissues, molecular pathways, and gene regulatory networks associated with prenatal exposure to the model EDC Bisphenol A (BPA). Prenatal BPA exposure led to scores of transcriptomic and methylomic alterations in the adipose, hypothalamus, and liver tissues in mouse offspring, with cross-tissue perturbations in lipid metabolism as well as tissue-specific alterations in histone subunits, glucose metabolism and extracellular matrix. Network modeling prioritized main molecular targets of BPA, including Pparg, Hnf4a, Esr1, Srebf1, and Fasn. Lastly, integrative analyses identified the association of BPA molecular signatures with cardiometabolic phenotypes in mouse and human. Our multi-tissue, multi-omics investigation provides strong evidence that BPA perturbs diverse molecular networks in central and peripheral tissues, and offers insights into the molecular targets that link BPA to human cardiometabolic disorders.

2018-10-23 | GSE121603 | GEO

Prenatal Bisphenol A Exposure in Mice Induces Multi-tissue Multi-omics Disruptions Linking to Cardiometabolic Disorders

Project description:Prenatal Bisphenol A Exposure in Mice Induces Multi-tissue Multi-omics Disruptions Linking to Cardiometabolic Disorders

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Prenatal Bisphenol A Exposure in Mice Induces Multi-tissue Multi-omics Disruptions Linking to Cardiometabolic Disorders (RRBS)

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Prenatal Bisphenol A Exposure in Mice Induces Multi-tissue Multi-omics Disruptions Linking to Cardiometabolic Disorders (RNA-Seq)

Project description:Prenatal Bisphenol A Exposure in Mice Induces Multi-tissue Multi-omics Disruptions Linking to Cardiometabolic Disorders (RNA-Seq)

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Bisphenol A and Bisphenol S Disruptions of the Mouse Placenta and Potential Effects on the Placenta-Brain Axis

Project description:C57BL6J mice were fed 200ug/kg body weight BPA or BPS for two weeks and then bred. Placenta tissue was collected at embryonic day 12.5, and dams received checmicals until this day. RNA-Seq was carried out on placenta tissue, and 13 genes were identified to have altered expression to a similar extent in BPA and BPS treated mice.

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Project description:In this study, we investigated the effects of prenatal bisphenol-A (BPA) exposure on transcriptome profiles in the frontal cortex of the rat offspring. Transcriptome profiling by RNA-seq analysis of frontal cortex tissues isolated from neonatal pups prenatally exposed to BPA revealed that a list of differentially expressed genes (DEGs) associated with autism spectrum disorder (ASD), including Ntng1, Auts2, and Ankrd11 was dysregulated in a sex-specific pattern. The gene ontology analysis revealed that the BPA-responsive genes in the offspring’s frontal cortex were significantly associated with ASD-related neurological functions. These results indicated that prenatal BPA exposure may increase the risk of ASD by impacting ASD-related genes in the offspring’s frontal cortex. We conducted experiments using the frontal cortex from neonatal pups prenatally exposed to BPA or vehicle control (BPA treament; pooled 3 pups frontal cortex, vehicle control; pooled 3 pups frontal cortex). 10-week-old female rats were daily treated with BPA at the concentration of 5,000 microgram/kilogram of maternal body weight or vehicle control from gestation day 1 (GD1) until parturition. Total RNAs were isolated and cDNAs were synthesized. The transcriptome profiles were performed using a high-throughtput RNA-seq.

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Developmental Programming: Impact of Prenatal Bisphenol-A Exposure On Liver and Muscle Transcriptome of Female Sheep [RNA-Seq]

Project description:Gestational Bisphenol A (BPA) exposure leads to peripheral insulin resistance, and hepatic and skeletal muscle oxidative stress and lipotoxicity during adulthood in the female sheep offspring. To investigate transcriptional changes underlying the metabolic outcomes, coding and non-coding (nc) RNA in liver and muscle from 21-month-old control and prenatal BPA-treated (0.5mg/kg/day from days 30 to 90 of gestation; Term: 147days) female sheep were sequenced. Prenatal BPA-treatment dysregulated:1) expression of 194 genes (138 down, 56 up) in liver and 112 genes (32 down, 80 up) in muscle; (2) 155 common gene pathways including mitochondrial-related genes in both tissues; 3) 1415 gene pathways including oxidative stress and lipid biosynthetic process specifically in the liver; (4) 192 gene pathways including RNA biosynthetic processes in muscle; (5) 77 lncRNA (49 down, 28 up), 14 microRNAs (6 down, 8 up), 127 snoRNAs (63 down, 64 up) and 55 snRNAs (15 down, 40 up) in the liver while upregulating 6 lncRNA and dysregulating 65 snoRNAs (47 down, 18 up) in muscle. Multiple ncRNA correlated with LCORL, MED17 and ZNF41 in liver but none of them in the muscle. OPLS-DA plots identified mRNAs PECAM, RDH11 and ABCA6, and miRNAs MIR200B and MIR30B in liver and mRNAs CAST, NOS1 and FASN and miRNAs MIR26B and MIR29A in muscle as gene signatures of gestational BPA exposure. These findings provide mechanistic clues into the development and/or maintenance of the oxidative stress and lipid accumulation and potential for development of mitochondrial and fibrotic defects contributing to the prenatal BPA-induced metabolic dysfunctions.

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Developmental Programming: Impact of Prenatal Bisphenol-A Exposure On Liver and Muscle Transcriptome of Female Sheep [ncRNA-Seq]

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Sex Differences in the Effects of Prenatal Bisphenol A Exposure on Genes Associated with Autism Spectrum Disorder in the Hippocampus

Project description:In this study, we investigated the prenatal effects of bisphenol-A (BPA) exposure on transcriptome profiles in the hippocampus of the rat offspring. Transcriptome profiling by RNA-seq analysis of hippocampi isolated from neonatal pups prenatally exposed to BPA was conducted and revealed a list of differentially expressed genes (DEGs) associated with ASD. Among the DEGs, several ASD candidate genes, including Auts2 and Foxp2, were dysregulated and showed sex differences in response to BPA exposure. The interactome and pathway analyses of DEGs revealed significant associations between the DEGs in males and neurological functions/disorders associated with ASD. The findings from this study indicate that prenatal BPA exposure alters the expression of ASD-linked genes in the hippocampus and suggest that maternal BPA exposure may increase ASD susceptibility by dysregulating genes associated with neurological functions known to be negatively impacted in ASD.

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