Increased YAP transcriptional activity in in male murine steroidogenic zG adrenocortical cells
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ABSTRACT:
PROVIDER: PRJNA975584 | ENA |
REPOSITORIES: ENA
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Project description:To specifically evaluate the effect of an increase of the transcriptional activity of YAP in mice adrenal gland we generated a mouse mode expressing a constitutively active form of human YAP (YAP5SA) in aldosterone-producing zG cells. RNAseq analysis on whole adrenal glands were performed on one month male mice
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Project description:Inflammation leads the hypothalamus-pituitary-adrenal (HPA) axis activation and increased production of glucocorticoids, which produced by the adrenal cortex, exert potent anti-inflammatory effects. The use of omics, including proteomics revealed metabolic changes in steroidogenic adrenocortical cells, including downregulation of the tricarboxylic acid (TCA) cycle and oxidative phosphorylation, decreased ATP production and induction of oxidative stress after lipopolysaccharide (LPS)-induced inflammation.
2023-07-21 | PXD036542 | Pride
Project description:Steroidogenic acute regulatory protein (Star) facilitates cholesterol transfer into the inner mitochondrial membrane in the acute and regulated production of steroid hormones. Mice lacking Star (Star-/-) share the phenotypes with patients with congenital lipoid adrenal hyperplasia such as compromised production of steroid hormones and florid accumulation of cholesterol esters in adrenal glands and gonads. To define specific patterns of molecular changes with disruption of Star, we performed a transcriptome analysis of steroidogenic cells in adrenal glands. We harvested adrenal glands at E17.5 or 18.5 from seven wild-type (Star+/+) mice or four Star-/- mice having the transgene targeting enhanced green fluorescent protein (eGFP) under the control of regulatory sequences of mouse Star gene. Steroidogenic cells were selectively isolated by fluorescent-activated cell sorting. The gene expression profile of the fluorescence-positive cells was obtained with Agilent Whole Mouse Genome Microarray and was confirmed by quantitative real-time PCR. We identified 961 and 622 genes that were significantly up-regulated and down-regulated, respectively, in Star-/- mice compared with Star+/+ mice (fold difference ≥2, p value of Student t test <0.05, and Benjamini-Hochberg false discovery rate of multiple comparison test <0.2). In Star-/- mice, expression levels of genes involved in cholesterol mobilization and efflux or immune response as antigen presenting cells were significantly increased, and transition from fetal to adult adrenocortical cells were significantly decreased, whereas those of genes related to steroid hormone biosynthesis or cholesterol biosynthesis and influx were not significantly changed. The trancriptome analysis revealed hitherto undescribed characteristic changes in adrenocortical cells and expanded our understanding of the pathophysiology of the steroidogenic cells with disruption of Star. Gene expression profiles of isolated adrenal steroidogenic cells were compared between seven wild-type mice and four knockout mice lacking steroidogenic acute regulatory protein at E17.5-18.5.
2011-08-13 | E-GEOD-31328 | biostudies-arrayexpress
Project description:Steroidogenic acute regulatory protein (Star) facilitates cholesterol transfer into the inner mitochondrial membrane in the acute and regulated production of steroid hormones. Mice lacking Star (Star-/-) share the phenotypes with patients with congenital lipoid adrenal hyperplasia such as compromised production of steroid hormones and florid accumulation of cholesterol esters in adrenal glands and gonads. To define specific patterns of molecular changes with disruption of Star, we performed a transcriptome analysis of steroidogenic cells in adrenal glands. We harvested adrenal glands at E17.5 or 18.5 from seven wild-type (Star+/+) mice or four Star-/- mice having the transgene targeting enhanced green fluorescent protein (eGFP) under the control of regulatory sequences of mouse Star gene. Steroidogenic cells were selectively isolated by fluorescent-activated cell sorting. The gene expression profile of the fluorescence-positive cells was obtained with Agilent Whole Mouse Genome Microarray and was confirmed by quantitative real-time PCR. We identified 961 and 622 genes that were significantly up-regulated and down-regulated, respectively, in Star-/- mice compared with Star+/+ mice (fold difference ≥2, p value of Student t test <0.05, and Benjamini-Hochberg false discovery rate of multiple comparison test <0.2). In Star-/- mice, expression levels of genes involved in cholesterol mobilization and efflux or immune response as antigen presenting cells were significantly increased, and transition from fetal to adult adrenocortical cells were significantly decreased, whereas those of genes related to steroid hormone biosynthesis or cholesterol biosynthesis and influx were not significantly changed. The trancriptome analysis revealed hitherto undescribed characteristic changes in adrenocortical cells and expanded our understanding of the pathophysiology of the steroidogenic cells with disruption of Star.
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Project description:Adrenocortical carcinoma (ACC) is characterized by disruption of tissue development and homeostatic pathways. Here, using genetic fate mapping and murine ACC models, we have identified a population of adrenocortical stem cells that express Delta-like non-canonical Notch ligand 1 (DLK1). These cells are active during development, near dormant postnatally but are re-expressed in ACC. DLK1 expression is widespread in human ACC samples and independently influences recurrence-free survival. Spatial transcriptomic analysis has identified DLK1 positive ACC cells to have increased steroidogenic potential, a finding also observed in both human and murine ACC cell lines. Additionally, the cleavable DLK1 ectodomain is detectable in patients’ serum and effectively distinguishes ACC from other adrenal pathologies, offering potential diagnostic and follow-up utility for ACC patients. These data demonstrate a prognostic role for DLK1 in ACC, elucidate its hierarchical expression in homeostasis and cancer and suggest its utility as a biomarker in this malignancy.
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Project description:Gonadectomy (GDX) induces sex steroid-producing adrenocortical tumors in certain mouse strains and in the domestic ferret. Complementary approaches, including DNA methylation mapping and microarray expression profiling, were used to identify novel genetic and epigenetic markers of GDX-induced adrenocortical neoplasia in female DBA/2J mice. Markers were validated by quantitative RT-PCR, laser capture microdissection, in situ hybridization, and immunohistochemistry. Two genes with hypomethylated promoters, Igfbp6 and Foxs1, were upregulated in post-GDX adrenocortical neoplasms. The neoplastic cells also exhibited hypomethylation of the fetal adrenal enhancer of Sf1, an epigenetic signature that typifies descendants of fetal adrenal rather than gonadal cells. Expression profiling demonstrated upregulation of gonadal-like genes, including Spinlw1, Insl3, and Foxl2, in GDX-induced adrenocortical tumors of the mouse. One of these markers, FOXL2, was detected in adrenocortical tumor specimens from gonadectomized ferrets. These new markers may prove useful for studies of steroidogenic cell development and for diagnostic testing.
2014-07-31 | GSE54393 | GEO
Project description:Gonadectomy (GDX) induces sex steroid-producing adrenocortical tumors in certain mouse strains and in the domestic ferret. Complementary approaches, including DNA methylation mapping and microarray expression profiling, were used to identify novel genetic and epigenetic markers of GDX-induced adrenocortical neoplasia in female DBA/2J mice. Markers were validated by quantitative RT-PCR, laser capture microdissection, in situ hybridization, and immunohistochemistry. Two genes with hypomethylated promoters, Igfbp6 and Foxs1, were upregulated in post-GDX adrenocortical neoplasms. The neoplastic cells also exhibited hypomethylation of the fetal adrenal enhancer of Sf1, an epigenetic signature that typifies descendants of fetal adrenal rather than gonadal cells. Expression profiling demonstrated upregulation of gonadal-like genes, including Spinlw1, Insl3, and Foxl2, in GDX-induced adrenocortical tumors of the mouse. One of these markers, FOXL2, was detected in adrenocortical tumor specimens from gonadectomized ferrets. These new markers may prove useful for studies of steroidogenic cell development and for diagnostic testing. Total RNA extracted from whole adrenal glands of gonadectomized and non-gonadectomized mice.
2014-07-31 | E-GEOD-54393 | biostudies-arrayexpress