GEO DataSets

(Submitter supplied) Prenatal alcohol exposure (PAE) alters the development of neurobiological systems, leading to lasting neuroendocrine, neuroimmune, and neurobehavioral deficits. Although the etiology of this reprogramming remains unknown, emerging evidence suggests DNA methylation as a potential mediator and biomarker for the effects of PAE due to its responsiveness to environmental cues and relative stability over time. more...

Organism:

Rattus norvegicus

Type:

Methylation profiling by high throughput sequencing

Platform:

GPL14844

60 Samples

Download data: TXT

(Submitter supplied) Prenatal adversity or stress can have long-term consequences on developmental trajec-tories and health outcomes. Although the biological mechanisms underlying these effects are poorly understood, epigenetic modifications, such as DNA methylation, have the potential to link early-life environments to alterations in physiological systems, with long-term functional impli-cations. We investigated the consequences of two prenatal insults, prenatal alcohol exposure (PAE) and food-related stress, on DNA methylation profiles of the rat brain during early devel-opment. more...

Organism:

Rattus norvegicus

Type:

Methylation profiling by high throughput sequencing

Platform:

GPL14844

30 Samples

Download data: TXT

(Submitter supplied) Prenatal alcohol exposure is the leading preventable cause of behavioural and cognitive deficits, which may affect between 2-5% of children in North America. While the underlying mechanisms of alcohol’s effects on development remain relatively unknown, emerging evidence implicates epigenetic mechanisms in mediating the range of symptoms observed in children with Fetal Alcohol Spectrum Disorder (FASD). more...

Organism:

Homo sapiens

Type:

Methylation profiling by genome tiling array

Platform:

GPL13534

216 Samples

Download data: IDAT, TXT

(Submitter supplied) Background: Prenatal alcohol exposure (PAE) is associated with alterations in numerous physiological systems, including the stress and immune systems. We have previously shown that PAE increases the course and severity of arthritis in an adjuvant-induced arthritis (AA) model. While the molecular mechanisms underlying these effects are not fully known, changes in neural gene expression are emerging as important factors in the etiology of PAE effects. more...

Organism:

Rattus norvegicus

Type:

Expression profiling by array

Platform:

GPL6101

192 Samples

Download data: TXT

(Submitter supplied) Prenatal alcohol exposure is recognized to alter DNA methylation profiles of brain cells during development, and as being part of the molecular basis underpinning Fetal Alcohol Spectrum Disorder (FASD) etiology. However, we have negligible information on the effects of alcohol during the initial embryonic stages, a window marked with dynamic DNA methylation reprogramming, and on how this may rework  the brain developmental program. more...

Organism:

Mus musculus

Type:

Methylation profiling by high throughput sequencing

Platform:

GPL17021

22 Samples

Download data: TXT

(Submitter supplied) The Illumina Infinium 27k Human DNA methylation Beadchip v1.2 was used to obtain DNA methylation profiles across approximately 27,000 CpGs in whole blood samples from 172 normal female twins. See Bell, Tsai et al. Plos Genet. 2012;8(4):e1002629.

Organism:

Homo sapiens

Type:

Methylation profiling by array

Platform:

GPL8490

172 Samples

Download data: TXT

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Mus musculus

Type:

Methylation profiling by high throughput sequencing; Expression profiling by high throughput sequencing

Platform:

GPL24247

176 Samples

Download data: TAB, TXT

(Submitter supplied) Polychlorinated biphenyls (PCBs) are developmental neurotoxicants implicated as environmental risk factors for neurodevelopmental disorders (NDD). We examined the effects of prenatal exposure to a human-relevant mixture of PCBs on the DNA methylation profiles of fetal mouse brain and placenta. We found thousands of differentially methylated regions (DMRs) distinguishing placentas and brains from PCB-exposed embryos from sex-matched vehicle controls. more...

Organism:

Mus musculus

Type:

Expression profiling by high throughput sequencing

Platform:

GPL24247

88 Samples

Download data: TAB

(Submitter supplied) Polychlorinated biphenyls (PCBs) are developmental neurotoxicants implicated as environmental risk factors for neurodevelopmental disorders (NDD). We examined the effects of prenatal exposure to a human-relevant mixture of PCBs on the DNA methylation profiles of fetal mouse brain and placenta. We found thousands of differentially methylated regions (DMRs) distinguishing placentas and brains from PCB-exposed embryos from sex-matched vehicle controls. more...

Organism:

Mus musculus

Type:

Methylation profiling by high throughput sequencing

Platform:

GPL24247

88 Samples

Download data: TXT

(Submitter supplied) Background; Intrauterine exposure to maternal smoking is linked to impaired executive function and behavioral problems in the offspring. Maternal smoking is associated with reduced fetal brain growth and smaller volume of cortical grey matter in childhood, indicating that prenatal exposure to tobacco may impact cortical development and manifest as behavioral problems. Cellular development is mediated by changes in epigenetic modifications such as DNA methylation, which can be affected by exposure to tobacco. more...

Organism:

Homo sapiens

Type:

Methylation profiling by array; Methylation profiling by genome tiling array

Platform:

GPL13534

24 Samples

Download data: IDAT, TXT

(Submitter supplied) In this report we assessed alterations to adult mouse brain tissue by assaying DNA cytosine methylation and small noncoding RNA (ncRNA) expression, specifically the microRNA (miRNA) and small nucleolar RNA (snoRNA) subtypes. We found long lasting alterations in DNA methylation as a result of fetal alcohol exposure, specifically in the imprinted regions of the genome harboring ncRNAs and sequences interacting with regulatory proteins. more...

Organism:

Mus musculus

Type:

Methylation profiling by genome tiling array

Platform:

GPL9832

6 Samples

Download data: GFF, PAIR

(Submitter supplied) The developing brain is particularly sensitive to ethanol during the brain growth spurt or synaptogenesis (third human trimester equivalent). This has been shown to lead to abnormal brain development and behavioural changes in the adult mouse that are relevant to those seen in humans with fetal alcohol spectrum disorders (FASD). We evaluated the long-term (postnatal day 60 young adult) gene expression changes that occur in the brain due to ethanol exposure during synaptogenesis. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Platform:

GPL6246

4 Samples

Download data: CEL

(Submitter supplied) Moderate alcohol exposure during pregnancy can result in a heterogeneous range of neurobehavioural and cognitive effects, termed fetal alcohol spectrum disorders (FASD). We have developed a mouse model of FASD that involves moderate ethanol exposure throughout gestation achieved by voluntary maternal consumption. This model results in phenotypes relevant to FASD. Since ethanol is known to directly affect the expression of genes in the developing brain leading to abnormal cell death, changes to cell proliferation, migration, and differentiation, and potential changes to epigenetic patterning, we hypothesize that this leaves a long-term footprint on the adult brain. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Platform:

GPL6246

8 Samples

Download data: CEL

(Submitter supplied) We sought to characterize the persistnet changes in brain miRNAs across multiple mouse models of fetal alcohol exposure We used miRNA expression arrays to characterize and observe the deregulation of brain specific ncRNAs

Organism:

synthetic construct; Mus musculus

Type:

Expression profiling by array

Platform:

GPL14613

18 Samples

Download data: CEL

(Submitter supplied) Fetal Alcohol Spectrum Disorder (FASD) encompasses an array of effects of prenatal alcohol exposure (PAE), including physical abnormalities and cognitive and behavioral deficits. Disruptions of cortical development have been implicated in multiple PAE studies, with deficits including decreased progenitor proliferation, disrupted neuronal differentiation, aberrant radial migration of pyramidal neurons, and decreased cortical thickness. more...

Organism:

Mus musculus

Type:

Expression profiling by high throughput sequencing

Platform:

GPL24247

12 Samples

Download data: CSV

(Submitter supplied) These are RNA sequencing data from embryonic day 18 whole brains from embryos whose mother's were exposed to alcohol (Prenatal alchohol exposure or PAE) or sacharin control (SAC) through mating and gestation.

Organism:

Mus musculus

Type:

Expression profiling by high throughput sequencing

Platform:

GPL21103

12 Samples

Download data: XLSX

(Submitter supplied) To further our understanding of the role of DNA methylation in development, Methylated DNA Immunoprecipitation (MeDIP) was used in conjunction with a NimbleGen promoter plus CpG island array to identify Tissue and Developmental Stage specific Differentially Methylated DNA Regions (T-DMRs and DS-DMRs) on a genome-wide basis. Four tissues (brain, heart, liver, and testis) from C57BL/6J mice were analyzed at three developmental stages (15 day embryo, E15; new born, NB; 12 week adult, AD). more...

Organism:

Mus musculus

Type:

Methylation profiling by genome tiling array

Platform:

GPL7060

26 Samples

Download data: TXT

(Submitter supplied) Fetal alcohol spectrum disorder (FASD) is a common developmental behavioral disorder caused by maternal drinking during pregnancy. Children born with FASD often face additional stress, particularly maternal separation that adds yet additional deficits. The mechanism associated with this phenomenon is not known. Using a mouse model, prenatal ethanol exposure and maternal separation stress have resulted in behavioral deficits and the combination of treatments results in more than additive effects. more...

Organism:

Mus musculus

Type:

Methylation profiling by high throughput sequencing

Platform:

GPL21103

12 Samples

Download data: WIG, XLSX

(Submitter supplied) Fetal alcohol spectrum disorders (FASD) are common, seen in 1-5% of the population in the United States and Canada. Regrettably, children diagnosed with FASD are not likely to remain with their biological parents, facing early maternal separation and foster placements throughout childhood. We have modeled FASD in mice via prenatal alcohol exposure and further induce early life stress through maternal separation. more...

Organism:

Mus musculus

Type:

Expression profiling by high throughput sequencing

Platform:

GPL17021

12 Samples

Download data: CSV

(Submitter supplied) We examined the hypothesis that prenatal synthetic glucocorticoids (sGC) administration alters DNA methylation signatures in Guinea pig offspring hippocampus and whole blood. Guinea pigs were treated with sGC or saline in late gestation. Genome-wide modifications of DNA methylation were analyzed using reduced representation bisulfite sequencing in juvenile female offspring.

Organism:

Cavia porcellus

Type:

Methylation profiling by high throughput sequencing

Platform:

GPL29163

24 Samples

Download data: TXT