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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Expression data from Shp2f/f and SCSKO mice testis

ABSTRACT: The ability of male reproduction is seriously dependent on Sertoli cells. However, the mechanisms governing the functional integrity of Sertoli cells remained largely unexplored. Tyrosine phosphatase protein Shp2 is expressed in germ, Leydig and Sertoli cells of mice testes. But the physiological role of Shp2 in the spermatogenesis was not fully understood. Thus, we conditionally deleted Shp2 gene in Sertoli cells using two transgenic models, and demonstrated that Shp2 deficiency caused infertility, excessive differentiation of SSCs and abnormal BTB in mice. To further discover the underlying mechanism of Shp2 regulation, we collected the mRNA of testes from wild type or knockout mice at 16.5 fetal day, Postnatal 3 days, 1 weeks, 2 weeks, and then screened the gene expression. Testis tissues from Shp2f/f and SCSKO mice were for RNA extraction and hybridization on Affymetrix microarrays.

ORGANISM(S): Mus musculus

SUBMITTER: Zhongxian Lu

PROVIDER: E-GEOD-68829 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Expression data from Shp2f/f and SCSKO mice testis

Project description:The ability of male reproduction is seriously dependent on Sertoli cells. However, the mechanisms governing the functional integrity of Sertoli cells remained largely unexplored. Tyrosine phosphatase protein Shp2 is expressed in germ, Leydig and Sertoli cells of mice testes. But the physiological role of Shp2 in the spermatogenesis was not fully understood. Thus, we conditionally deleted Shp2 gene in Sertoli cells using two transgenic models, and demonstrated that Shp2 deficiency caused infertility, excessive differentiation of SSCs and abnormal BTB in mice. To further discover the underlying mechanism of Shp2 regulation, we collected the mRNA of testes from wild type or knockout mice at 16.5 fetal day, Postnatal 3 days, 1 weeks, 2 weeks, and then screened the gene expression.

2015-05-14 | GSE68829 | GEO

Sertoli Cell-Only Syndrome Human Transcriptome Profiling Study

Project description:<p>Sertoli cell-only syndrome is severe form of human male infertility in which most seminiferous tubules appear to lack all spermatogenic cells, including spermatogonial stem cells (SSCs). However, a few small tubule segments of some patients have active spermatogenesis and, thus, functional stem cell niches and SSCs. Normally SSCs replicate, migrate and refill adjacent empty niches, but this does not appear to occur in SCO syndrome. We hypothesized that this failure occurs because most niches are dysfunctional. As Sertoli cells are essential to formation of these niches, we used RNAseq to compare the transcriptomes of human testes with qualitatively normal (complete) spermatogenesis (n=4) with the transcriptomes of human testes with SCO syndrome (n=7). We then focused our analysis on the expression of transcripts that bioinformatic analyses identified as Sertoli cell signature transcripts. Results show that Sertoli cells in SCO testes express abnormally low levels of GDNF, FGF8 and BMP4, all of which are important regulators of mouse SSCs and/or progenitor spermatogonia. Sertoli cells in SCO testes express significantly reduced levels of transcripts for proteins that polarize the Sertoli cell plasma membrane and regulate the trafficking of cell adhesion and gap junction proteins in and out of that plasma membrane.</p>

| phs001777 | dbGaP

RiboTag analysis of actively translated mRNAs in Sertoli and Leydig cells in vivo

Project description:Analysis of Sertoli and Leydig cell “translatome” utilizing an in vivo ribosome tagging strategy (RiboTag) that allows a detailed and physiologically relevant characterization of the polysome-associated mRNAs in vivo. Although progress has been made in the identification of specific transcripts that are translated in Sertoli and Leydig cells and their response to hormones, efforts to expand these studies have been restricted by technical hurdles. Our analysis identified all previously characterized Leydig and Sertoli cell-specific markers and identified in a comprehensive manner novel markers of Leydig and Sertoli cells; the translational response of these two cell types to gonadotropins or testosterone was also investigated. Leydig cell-specific (Cyp17iCre: RiboTag) and Sertoli cell-specific (AMH-Cre: RiboTag) RiboTag mice were obtained by crossing RiboTag homozygous mice with Cyp17iCre or AMH-Cre mice. For in vivo LH treatment experiments, mice were injected with the GnRH antagonist acyline for 4 days before a single injection of purified human LH. After treatment, testes were homogenized and polysomes were immunoprecipitated by utilizing an anti-HA antibody. RNA was extracted, labelled, and hybridized to Mouse Gene ST 1.0 arrays.

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Temporal-spatial Establishment of Initial Niche for the Primary Spermatogonial Stem Cell formation is Determined by an ARID4B Regulatory Network (RNA-Seq)

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Gene expression profiles of Lhcgr-deficient testes

Project description:Spermatogonial stem cells (SSCs) provide foundation for spermatogenesis by undergoing continuous self-renewal division. Previous studies have reported conflicting results on the role of the pituitary gland activity in SSC self-renewal. In this study, we analyzed the role of hormonal regulation of SSCs using Lhcgr (luteinizing hormone/choriogonadotropin receptor) knockout mice. Analysis of gene expression profiles showed that testes of Lhcgr-deficient mice exhibit significantly enhanced Wnt5a expression in Sertoli cells. Lhcgr KO and control WT mice were treated with busulfan in order to eliminate germ cells. The total RNA samples from their testes were subjected to microarray analysis to compare their gene expression profiles.

2016-07-15 | E-GEOD-77500 | biostudies-arrayexpress

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2021-08-02 | E-MTAB-10291 | biostudies-arrayexpress

Temporal-spatial Establishment of Initial Niche for the Primary Spermatogonial Stem Cell formation is Determined by an ARID4B Regulatory Network (ChIP-Seq)

Project description:The primary spermatogonial stem cells (SSCs), which arise from gonocytes during neonatal development, serve as a foundational self-renewing reservoir to ensure continuous production of spermatozoa throughout adulthood. The transformation of gonocytes into SSCs takes place in a niche established by Sertoli cells. To date, the factors that guide Sertoli cells to establish the initial stem cell niche remain largely unknown. Using Sertoli cell-specific Arid4b knockout (Arid4bSCKO) mice, we demonstrated that ablation of ARID4B resulted in failure to establish a niche for the SSC formation. We performed ChIP-Seq analysis to identify target genes of ARID4B in testes.

2017-03-27 | GSE84802 | GEO

Gene expression profiles of Lhcgr-deficient testes

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Project description:We study the changes occurring in the testes of Talpa occidentalis during the breeding cycle. The transcriptomic analysis of active, inactivating and regressed testis show that several molecular pathways that operate in Sertoli cells, involved in the control of spermatogenesis and BTB dynamics, are deregulated in the inactive gonad, and that the immuno privilege of the testes is lost during the non-breeding season.

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RNA-Seq of testicular peritubular myoid cells, other testicular cells, and other tissue smooth muscle-like cells

Project description:In addition to germ cell population, testes contain several types of somatic cells, including Sertoli cells, Leydig cells, and peritubular myoid (PTM) cells. PTM cells are a type of smooth muscle-like cells and have contraction ability. To identify a marker of PTM cells, we isolated primary cells and subsequently performed RNA-Seq of testicular peritubular myoid cells (PTM_1, PTM_2, PTM_3), testicular Sertoli cells (Sertoli_1, Sertoli_2, Sertoli_3), testicular Leydig cells (Leydig_1, Leydig_2, Leydig_3), testicular germ cells (Germ_1, Germ_2, Germ_3), vascular smooth muscle cells (VSMC_1, VSMC_2, VSMC_3), intestinal smooth muscle cells (ISMC_1, ISMC_2, ISMC_3), and tracheal smooth muscle cells (TSMC_1, TSMC_2, TSMC_3) using BGISEQ-500 platform (BGI, China).

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