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Gene expression profiling of SF1 in mouse uterus tissues

ABSTRACT: Epigenetic silencing of Steroidogenic Factor 1 (SF1) is lost in endometrial tissue in endometriosis and this is hypothesized to result in de novo local steroidogenesis favoring growth and inflammation. The goal of this study was to evaluate the endometrial specific transcriptional and functional role of SF1 in vivo by utilizing a mouse model in which SF1 was conditionally expressed in the uterus. SF1 expression resulted in the development of cystic endometrial glands and infertility. Endometriosis induction by auto-transplantation of a biopsy of uterine tissue sutured to the mesenteric membrane resulted in 4-fold increase in size ectopic lesions from SF1 expressing mice. Microarray analysis demonstrated SF1-regulated genes are involved in several pathways including epithelial and tube development, migration of lymphocytes and leukocytes, cellular movement and vascular development.

ORGANISM(S): Mus musculus

PROVIDER: GSE66963 | GEO | 2016/04/14

SECONDARY ACCESSION(S): PRJNA278479

REPOSITORIES: GEO

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Gene expression profiling of SF1 in mouse uterus tissues

Project description:Epigenetic silencing of Steroidogenic Factor 1 (SF1) is lost in endometrial tissue in endometriosis and this is hypothesized to result in de novo local steroidogenesis favoring growth and inflammation. The goal of this study was to evaluate the endometrial specific transcriptional and functional role of SF1 in vivo by utilizing a mouse model in which SF1 was conditionally expressed in the uterus. SF1 expression resulted in the development of cystic endometrial glands and infertility. Endometriosis induction by auto-transplantation of a biopsy of uterine tissue sutured to the mesenteric membrane resulted in 4-fold increase in size ectopic lesions from SF1 expressing mice. Microarray analysis demonstrated SF1-regulated genes are involved in several pathways including epithelial and tube development, migration of lymphocytes and leukocytes, cellular movement and vascular development. experimental group (SF-1 transgenic) and control group

2016-04-14 | E-GEOD-66963 | biostudies-arrayexpress

Gene expression profiling of SF1 knockdown in human endometriotic stromal fibroblast

Project description:Epigenetic silencing of Steroidogenic Factor 1 (SF1) is lost in endometrial tissue in endometriosis and this is hypothesized to result in de novo local steroidogenesis favoring growth and inflammation. The goal of this study was to evaluate the endometrial specific transcriptional and functional role of SF1. Expression of SF1 was robustly increased in cultures established from stromal fibroblasts isolated from endometriomas (OsisHESC) over endometrial stromal cells isolated from eutopic sites in healthy proliferative phase endometrial biopsies (HESC). In order to evaluate the role of SF1 in the regulation of genes in fibroblast isolated from human endometriomas, OsisHESC were transfected with scrambled siRNA (siNT) or siRNA targeting SF1 (siSF1).

2016-05-12 | GSE67524 | GEO

Project description:The vertebrate nuclear hormone receptor steroidogenic factor 1 (SF1; NR5A1) controls reproductive development and regulates the transcription of steroid-modifying cytochrome P450 genes. We find that the SF1-related Drosophila nuclear hormone receptor HR39 is also essential for sexual development. In Hr39 mutant females, the sperm-storing spermathecae and glandular parovaria are absent or defective, causing sterility. Our results indicate that spermathecae and parovaria secrete reproductive tract proteins required for sperm maturation and function, like the mammalian epididymis and female reproductive tract. Hr39 controls the expression of specific cytochrome P450 genes and is required in females both to activate spermathecal secretion and repress male-specific courtship genes such as takeout. Thus, a pathway that, in vertebrates, controls sex-specific steroid hormone production, also mediates reproductive functions in an invertebrate. Our findings suggest that Drosophila can be used to model more aspects of mammalian reproductive biology than previously believed. Keywords: mutant/wild-type comparison and tissue comparison

2008-04-26 | GSE10264 | GEO

Transcription profiling of Drosophila Hr39 mutant females reveals the sf1-related nuclear hormone receptor hr39 regulates Drosophila female reproductive tract development and function

Project description:The vertebrate nuclear hormone receptor steroidogenic factor 1 (SF1; NR5A1) controls reproductive development and regulates the transcription of steroid-modifying cytochrome P450 genes. We find that the SF1-related Drosophila nuclear hormone receptor HR39 is also essential for sexual development. In Hr39 mutant females, the sperm-storing spermathecae and glandular parovaria are absent or defective, causing sterility. Our results indicate that spermathecae and parovaria secrete reproductive tract proteins required for sperm maturation and function, like the mammalian epididymis and female reproductive tract. Hr39 controls the expression of specific cytochrome P450 genes and is required in females both to activate spermathecal secretion and repress male-specific courtship genes such as takeout. Thus, a pathway that, in vertebrates, controls sex-specific steroid hormone production, also mediates reproductive functions in an invertebrate. Our findings suggest that Drosophila can be used to model more aspects of mammalian reproductive biology than previously believed. Experiment Overall Design: Wild type and Hr39(04443) Spermathecae, Wild type and Hr39(04443) Reproductive Tract

2008-06-11 | E-GEOD-10264 | biostudies-arrayexpress

Proteomics of ectopic endometrial cell-derived exosomes in endometriosis

Project description:We primary cultured ectopic endometrial cells from patients with endometriosis (2 cases) and without endometriosis(2 cases) and collected cell culture supernatants（P0). We isolated exosomes from cell culture supernatants by differential centrifugation and then performed proteome analysis on the two groups of exosomes to investigate the role of ectopic endometrial cell-derived exosomes in the development of endometriosis.

2022-06-09 | PXD033124 | Pride

Circadian gene expression in mouse gastrocnemius muscle after deletion of SIRT1 in SF1 neurons

Project description:Loss of synchrony between geophysical time and insulin action predisposes to metabolic diseases. Yet, the brain and peripheral pathways linking proper insulin effect to diurnal changes in light/dark and feeding/fasting inputs are poorly understood. Here, we show that insulin sensitivity of several metabolically relevant tissues fluctuates during the 24-hour period. For example, in mice insulin sensitivity of skeletal muscle, liver, and adipose tissue is lowest during the light period. Mechanistically, by performing loss- and gain-of-light-action and food-restriction experiments, we demonstrate that SIRT1 in steroidogenic factor 1 (SF1) neurons of the ventromedial hypothalamic nucleus (VMH) conveys photic inputs toentrain the biochemical and metabolic action of insulin in skeletal muscle. These findings uncover a critical light-SF1-neuron-skeletal-muscle axis that acts to finely tune diurnal changes in insulin sensitivity and reveal a light regulatory mechanism of skeletal muscle function.

2019-05-09 | GSE129518 | GEO

Streptococcus iniae SF1

Project description:Streptococcus iniae SF1 Genome sequencing

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Streptococcus mutans SF1

Project description:Streptococcus mutans SF1 genome sequencing project.

| PRJNA49821 | ENA

Multilineage pituitary neuroendocrine tumors with PIT1/SF1 co-expression

Project description:Pituitary neuroendocrine tumors (PitNET)/adenomas are classified according to cell lineage, which requires immunohistochemistry for the transcription factors (TFs) PIT1, SF1, and TPIT. Co-expression of PIT1/SF1 was previously reported in PitNETs, which otherwise correspond to the somatotroph lineage. However, little is known about the clinicopathological features of these tumors. We compiled an in-house case series of 100 tumors, previously diagnosed as densely or sparsely granulated somatotroph PitNETs. Following TF staining, histopathological features associated with PIT1/SF1-coexpression were assessed. Global DNA methylation profiling was conducted on 31 of 100 in-house samples and integrated with publicly available sample data. The majority (74%, 52/70) of our densely granulated somatotroph PitNETs (DGST) unequivocally co-expressed PIT1 and SF1 (DGST-PIT1/SF1). None of our SGST (0%, 0/30) stained positive for SF1 (SGST-PIT1). Integrated molecular analyses including publicly available sample data confirmed that DGST-PIT1/SF1, DGST-PIT1 and SGST-PIT1 represent distinct tumour subtypes. In summary, we spotlight that a substantial proportion of previously diagnosed densely granulated somatotroph PitNET co-express PIT1 and SF1 and exhibit clinical, histopathological, and molecular distinctness from other pure PIT1-lineage somatotroph PitNET.

2024-01-24 | GSE246645 | GEO

Endometrial methylome of patients without endometriosis

Project description:Alterations in endometrial DNA methylation profile have been proposed as one potential mechanism initiating the development of endometriosis. However, the normal endometrial methylome is influenced by the cyclic hormonal changes and the menstrual cycle phase-dependent epigenetic signature should be considered when studying endometrial disorders. So far, no studies have been performed to evaluate the menstrual cycle influences and endometriosis-specific endometrial methylation pattern at the same time. Therefore, we used Infinium HumanMethylation 450K BeadChip arrays to explore DNA methylation profiles of endometrial tissues from various menstrual cycle phases. Infinium HumanMethylation 450K BeadChip arrays were used to explore DNA methylation profiles of endometrial tissues from mid secretory cycle phase from 17 patients without endometriosis

2016-02-15 | E-GEOD-73949 | biostudies-arrayexpress

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