Project description:Here we report 16S rRNA data in gut microbiota of autism spectrum disorders compared with healthy volunteers. A total of 1322 operational taxonomic units (OTUs) were identified in the sequence data. The Bacteroidetes and Firmicutes were both dominated phylum in ausitic subjects and healthy controls. Phylum level analysis showed a clear alteration of the bacterial gut community in ASD characterized by a higher Firmicutes (P < 0.05), Proteobacteria (P < 0.001), and Actinobacteria (P < 0.001) than that in healthy controls. However, Bacteroidetes were significantly decreased in ASD patients (P < 0.001).
Project description:Purpose: The goal of this study was to compare gene expression patterns in the male and female human cortex Methods: We performed RiboZero Gold (rRNA depleted) 50bp PE RNA-seq in a set of control samples of both sexes to identify sexually dimorphic gene expression patterns. Results: Within these samples, we corroborated findings from a discovery set of RNA-seq data from adult human cortex tissue from the BrainSpan consortium which demonstrated male-biased expression of astrocyte marker genes and a gene co-expression module found to be up-regulated in the adult autistic cortex. Conclusions: These findings suggest that sex-differential risk for autism spectrum disorder is not the result of sex-differential regulation of ASD risk genes, but of naturally occurring sexually dimorphic processes that modulate the impact of risk variants for autism spectrum disorder. 13 cerebral cortex samples from 10 individuals (7 samples from 5 males, 6 samples from 5 females). Three Samples are included in this study from Series GSE64018. **PLEASE NOTE: Raw data has been submitted to dbGAP**
Project description:Purpose: The goal of this study was to compare gene expression patterns in the male and female human cortex Methods: We performed RiboZero Gold (rRNA depleted) 50bp PE RNA-seq in a set of control samples of both sexes to identify sexually dimorphic gene expression patterns. Results: Within these samples, we corroborated findings from a discovery set of RNA-seq data from adult human cortex tissue from the BrainSpan consortium which demonstrated male-biased expression of astrocyte marker genes and a gene co-expression module found to be up-regulated in the adult autistic cortex. Conclusions: These findings suggest that sex-differential risk for autism spectrum disorder is not the result of sex-differential regulation of ASD risk genes, but of naturally occurring sexually dimorphic processes that modulate the impact of risk variants for autism spectrum disorder.
Project description:Individualized outcome prediction classifiers were successfully constructed through expression profiling of 91 up-regulated and 67 down-regulated miRNAs in 5 autism spectrum disorder (ASD) cases and 5 controls. In the study presented here, a well-defined cohort of 5 autism spectrum disorder cases and 5 controls was used to acquire expression profiles of 91 up-regulated and 67 down-regulated miRNAs, leading to the first global miRNA expression profile of ASD in China.
Project description:We examined the effect of Myt1l deficiency in the neurons of mice. Homozygous Myt1l deficiency resulted in postnatal lethality, and mutant mice presented gene expression changes associated with developmental delays and resembled changes observed in autism spectrum disorder patients.
Project description:We examined the effect of Myt1l deficiency in the cortices of mice during developement. Homozygous Myt1l deficiency resulted in postnatal lethality, and mutant mice presented gene expression changes associated with developmental delays and resembled changes observed in autism spectrum disorder patients.