Ontology highlight
ABSTRACT:
PROVIDER: PRJNA844593 | ENA |
REPOSITORIES: ENA
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Project description:Blastocyst-derived embryonic stem cells (ESCs) and gonad-derived embryonic germ cells (EGCs) represent two classic types of pluripotent cell lines, yet their molecular equivalence remains incompletely understood. Here, we compare genome-wide methylation patterns between isogenic ESC and EGC lines to define epigenetic similarities and differences. Surprisingly, we find that sex rather than cell type drives methylation patterns in ESCs and EGCs. Cell fusion experiments further reveal that the ratio of X-chromosomes to autosomes dictates methylation levels, with female hybrids being hypomethylated and male hybrids being hypermethylated. We show that the X-linked MAPK phosphatase DUSP9 is upregulated in female compared to male ESCs, and its heterozygous loss in female ESCs leads to male-like methylation levels. Notably, male and female blastocysts are similarly hypomethylated, indicating that sex-specific methylation differences arise in culture. Collectively, our data demonstrate the epigenetic similarity of sex-matched ESCs and EGCs and identify DUSP9 as a regulator of female-specific hypomethylation.
2017-05-18 | GSE94481 | GEO
Project description:Blastocyst-derived embryonic stem cells (ESCs) and gonad-derived embryonic germ cells (EGCs) represent two classic types of pluripotent cell lines, yet their molecular equivalence remains incompletely understood. Here, we compare genome-wide methylation patterns between isogenic ESC and EGC lines to define epigenetic similarities and differences. Surprisingly, we find that sex rather than cell type drives methylation patterns in ESCs and EGCs. Cell fusion experiments further reveal that the ratio of X chromosomes to autosomes dictates methylation levels, with female hybrids being hypomethylated and male hybrids being hypermethylated. We show that the X-linked MAPK phosphatase DUSP9 is upregulated in female compared to male ESCs, and its heterozygous loss in female ESCs leads to male-like methylation levels. However, male and female blastocysts are similarly hypomethylated, indicating that sex-specific methylation differences arise in culture. Collectively, our data demonstrate the epigenetic similarity of sex-matched ESCs and EGCs and identify DUSP9 as a regulator of female-specific hypomethylation.
2017-04-12 | GSE68733 | GEO
Project description:Red Jungle Fowl (male and female) tissues were analyzed using LC-MS/MS. Tissues analyzed were: adipose, adrenal gland, breast muscle, cerebellum, cerebrum, gonad, heart, hypothalamus, kidney, liver, lung, pancreas, proventriculus, sciatic nerve, speen. Samples were analyzed using an LTQ Velos Pro mass spectrometer. Xtandem was used to perform spectrum searches. Databases included are NCB refseq, Ensembl, and 6-frame translation of the chicken genome.
2016-11-07 | MSV000080320 | MassIVE
Project description:In the present study, four important somatotropic and reproductive tissues including brain, pituitary, liver, and gonad from 15 females and 15 males were used for transcriptome analysis by RNA-seq. A mean of 37,533,991 high quality clean reads were obtained from each library and 806, 1,482, 818, and 14,695 differentially expressed genes in female and male were identified from brain, pituitary, liver, and gonad, respectively (fold change ≥ 2 and q < 0.05). GO terms and KEGG pathways enrichment analysis revealed nucleic acid binding transcription factor activity, G-protein coupled receptor activity, MAPK signaling pathway, steroid biosynthesis, and neuroactive ligand-receptor interaction may involve in sexual growth differences.
2018-06-22 | GSE104688 | GEO
Project description:In the present study, four important somatotropic and reproductive tissues including brain, liver, gonad and muscle from 3 females and 3 males were used for transcriptomic analysis. A mean of 47,102,115 high quality clean reads were obtained from each library and 156, 67, 3434, and 378 differentially expressed genes in female and male were identified from brain, liver, gonad, and muscle, respectively (q < 0.05). These genes were further enriched in to ion channel activity, protein binding, lipid transporter activity, and glycolytic process GO terms. The KEGG enrichment analysis revealed that insulin secretion, Calcium signaling pathway, Signaling pathways regulating pluripotency of stem cells, Glycolysis / Gluconeogenesis were significantly enriched.
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