Human neurodevelopmental samples
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA663321 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:This cohort is an extension of our previous dataset (Spiers et al) containing DNA methylation profiled with the EPIC array on an additional 40 human fetal brain samples. Please note that these samples are from the same cohort as GSE58885.
2021-06-30 | GSE157908 | GEO
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Project description:Background: Schizophrenia is a severe neuropsychiatric disorder that is hypothesized to result from disturbances in early brain development, and there is mounting evidence to support a role for developmentally-regulated epigenetic variation in the molecular etiology of the disorder. Here, we describe a systematic study of schizophrenia-associated methylomic variation in the adult brain and its relationship to changes in DNA methylation across human fetal brain development. Results: We profile methylomic variation in matched prefrontal cortex and cerebellum brain tissue from schizophrenia patients and controls, identifying disease-associated differential DNA methylation at multiple loci, particularly in the prefrontal cortex, and confirming these differences in an independent set of adult brain samples. Our data reveal discrete modules of co-methylated loci associated with schizophrenia that are enriched for genes involved in neurodevelopmental processes and include loci implicated by genetic studies of the disorder. Methylomic data from human fetal cortex samples, spanning 23 to 184 days post-conception, indicates that disease-associated differentially methylated positions are significantly enriched for loci at which DNA methylation is dynamically altered during human fetal brain development. Conclusions: Our data support the hypothesis that schizophrenia has an important early neurodevelopmental component, and suggest that epigenetic mechanisms may mediate these effects. 33 post-mortem brain (prefrontal cortex) samples (18 schizophrenia cases and 15 controls) were obtained from Douglas Bell-Canada Brain Bank (DBCBB), Montreal, Canada. Bisulfite converted DNA from these samples were hybridised to the Illumina Infinium 450k Human Methylation Beadchip v1.0.
2014-09-13 | E-GEOD-61380 | biostudies-arrayexpress
Project description:Background: Schizophrenia is a severe neuropsychiatric disorder that is hypothesized to result from disturbances in early brain development, and there is mounting evidence to support a role for developmentally-regulated epigenetic variation in the molecular etiology of the disorder. Here, we describe a systematic study of schizophrenia-associated methylomic variation in the adult brain and its relationship to changes in DNA methylation across human fetal brain development. Results: We profile methylomic variation in matched prefrontal cortex and cerebellum brain tissue from schizophrenia patients and controls, identifying disease-associated differential DNA methylation at multiple loci, particularly in the prefrontal cortex, and confirming these differences in an independent set of adult brain samples. Our data reveal discrete modules of co-methylated loci associated with schizophrenia that are enriched for genes involved in neurodevelopmental processes and include loci implicated by genetic studies of the disorder. Methylomic data from human fetal cortex samples, spanning 23 to 184 days post-conception, indicates that disease-associated differentially methylated positions are significantly enriched for loci at which DNA methylation is dynamically altered during human fetal brain development. Conclusions: Our data support the hypothesis that schizophrenia has an important early neurodevelopmental component, and suggest that epigenetic mechanisms may mediate these effects. Prefrontal cortex (PFC) and cerebellum samples were obtained from 46 brains archived in the London Brain Bank for Neurodegenerative Disorders (LBBND). Of these 22 were schizophrenia cases, ands of the cases 12 were male.
2014-09-18 | E-GEOD-61431 | biostudies-arrayexpress
Project description:Genome wide DNA methylation profiling of control and neurodevelopmental disorder lymphoblastoid cell lines (LCL). The Illumina Infinium 27k Human DNA methylation Beadchip v1.2 was used to obtain DNA methylation profiles across approximately 27,000 CpGs in LCLs. Samples included 19 control, 18 Rett syndrome, 17 autism and 6 generalized epilepsy LCL samples. Six technical replicates were also included in the analysis. Bisulphite converted DNA from the 60 samples and 5 technical replicates were hybridised to the Illumina Infinium 27k Human Methylation Beadchip v1.2
2012-12-01 | E-GEOD-34099 | biostudies-arrayexpress
Project description:Spliceosome malfunction causes neurodevelopmental disorders with overlapping features (human)
| PRJNA1031628 | ENA
Project description:Background: Schizophrenia is a severe neuropsychiatric disorder that is hypothesized to result from disturbances in early brain development, and there is mounting evidence to support a role for developmentally-regulated epigenetic variation in the molecular etiology of the disorder. Here, we describe a systematic study of schizophrenia-associated methylomic variation in the adult brain and its relationship to changes in DNA methylation across human fetal brain development. Results: We profile methylomic variation in matched prefrontal cortex and cerebellum brain tissue from schizophrenia patients and controls, identifying disease-associated differential DNA methylation at multiple loci, particularly in the prefrontal cortex, and confirming these differences in an independent set of adult brain samples. Our data reveal discrete modules of co-methylated loci associated with schizophrenia that are enriched for genes involved in neurodevelopmental processes and include loci implicated by genetic studies of the disorder. Methylomic data from human fetal cortex samples, spanning 23 to 184 days post-conception, indicates that disease-associated differentially methylated positions are significantly enriched for loci at which DNA methylation is dynamically altered during human fetal brain development. Conclusions: Our data support the hypothesis that schizophrenia has an important early neurodevelopmental component, and suggest that epigenetic mechanisms may mediate these effects.
2014-09-18 | GSE61431 | GEO