CUT&RUN analyses of fetal Leydig cells and testicular interstitial cells
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ABSTRACT:
PROVIDER: PRJNA1236321 | ENA |
REPOSITORIES: ENA
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Project description:Ad4BP/SF-1 is a transcription factor regulating gene expression related to steroidogenesis and energy metabolism. Previous studies have indicated that Ad4BP/SF-1 regulates fetal Leydig cell differentiation from progenitor cells. However, the underlying regulatory mechanisms remain unclear. Here, we reveal that Ad4BP/SF-1 directly regulates energy metabolisms in differentiated fetal Leydig cells through transcriptional upregulation.
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Project description:Fetal Leydig cells are essential for masculinization through androgen production during fetal development. Previous studies have indicated that Desert Hedgehog regulates differentiation from progenitor cells. Our previous research showed a significant upregulation of energy metabolism-related genes during fetal Leydig cell differentiation. However, the underlying regulatory mechanisms remain unresolved. Here, we reveal that Desert Hedgehog rapidly activates energy metabolisms in testicular interstitial cells (W-EGFP cells) containing fetal Leydig progenitor cells without activating gene expression.
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Project description:Testicular fetal Leydig cells are specialized for androgen production during embryogenesis. Testosterone is essential for regulating sex differentiation, spermatogenesis, and fertility. Deficiencies in Leydig cell differentiation can lead to various disorders of sex development and male reproductive conditions, such as ambiguous genitalia, hypospadias, cryptorchidism, and infertility. Understanding the differentiation of fetal Leydig cells is essential for comprehending male sexual differentiation, reproductive health, and fertility. Fetal Leydig cells originate from proliferating progenitor cells in the gonadal interstitium, marked by genes like Arx, Pdgfra, Tcf21, Wnt5a, and Nr2f2. However, the precise mechanisms governing the transition from interstitial cells to Leydig cells remain elusive. Through integrated approaches involving animal models and multiomics, we have demonstrated that fetal Leydig cells originate from a Nr2f2 positive non-steroidogenic interstitial cell population. NR2F2 promotes progenitor cell fate while suppressing Leydig cell differentiation. Moreover, embryonic deletion of Nr2f2 in mouse testes resulted in disorders of sex development, including reduced testicular size, Leydig cell hypoplasia, cryptorchidism, and hypospadias. Collectively, our findings highlight the critical role of Nr2f2 in orchestrating the transition from interstitial cells to Leydig cells during testicular development.
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Project description:Testicular fetal Leydig cells are specialized for androgen production during embryogenesis. Testosterone is essential for regulating sex differentiation, spermatogenesis, and fertility. Deficiencies in Leydig cell differentiation can lead to various disorders of sex development and male reproductive conditions, such as ambiguous genitalia, hypospadias, cryptorchidism, and infertility. Understanding the differentiation of fetal Leydig cells is essential for comprehending male sexual differentiation, reproductive health, and fertility. Fetal Leydig cells originate from proliferating progenitor cells in the gonadal interstitium, marked by genes like Arx, Pdgfra, Tcf21, Wnt5a, and Nr2f2 (COUP-TFII). However, the precise mechanisms governing the transition from interstitial cells to Leydig cells remain elusive. Through integrated approaches involving animal models and multiomics, we have demonstrated that fetal Leydig cells originate from a COUP-TFII positive non-steroidogenic interstitial cell population. COUP-TFII promotes progenitor cell fate while suppressing Leydig cell differentiation. Moreover, embryonic deletion of COUP-TFII in mouse testes resulted in disorders of sex development, including reduced testicular size, Leydig cell hypoplasia, cryptorchidism, and hypospadias. Collectively, our findings highlight the critical role of COUP-TFII in orchestrating the transition from interstitial cells to Leydig cells during testicular development.
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Project description:To examine the transcriptome of early testicular somatic cells during gonadogenesis at 12.5dpc RNA sequencing (RNA-Seq) was performed on murine primary testicular cell lineages isolated from the Sf1-eGFP line by FACS. The three main somatic cell lineages of the testis were isolated: the Sertoli cells which direct male development; the fetal Leydig cells (FLCs) that produce steroid hormones and virilise the XY individual and a heterogenous population of interstitial cells, some of which give rise to the adult Leydig cells (ALCs). This dataset provides a platform for exploring the biology of FLCs and understanding the role of these cells in testicular development and masculinization of the embryo, and a basis for targeted studies designed to identify causes of idiopathic XY DSD. RNA-Seq of 3 enriched cell populations from 12.5dpc mouse gonad (Sertoli cells, Leydig cells and Interstitial cells isolated by FACS-sorting) on an Illumina HiSeq 1500, in triplicate.
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Project description:To examine the transcriptome of early testicular somatic cells during gonadogenesis at 12.5dpc RNA sequencing (RNA-Seq) was performed on murine primary testicular cell lineages isolated from the Sf1-eGFP line by FACS. The three main somatic cell lineages of the testis were isolated: the Sertoli cells which direct male development; the fetal Leydig cells (FLCs) that produce steroid hormones and virilise the XY individual and a heterogenous population of interstitial cells, some of which give rise to the adult Leydig cells (ALCs). This dataset provides a platform for exploring the biology of FLCs and understanding the role of these cells in testicular development and masculinization of the embryo, and a basis for targeted studies designed to identify causes of idiopathic XY DSD.
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Project description:Testicular aging commonly leads to testosterone deficiency and impaired spermatogenesis, yet the underlying mechanisms remain elusive. Here, a comprehensive analysis of senescence landscapes in mice testes during aging revealed that the Leydig cells (LCs) are particularly vulnerable to aging processes. Single-cell RNA sequencing identified the expression of Hmgcs2 (3-hydroxy-3-methylglutaryl-CoA synthetase 2), the gene encoding the rate-limiting enzyme of ketogenesis, decreased significantly in LCs from aged mice. Additionally, the concentrations of ketone bodies β-hydroxybutyric acid (BHB) and acetoacetic acid (AcAc) in the young testes were substantially higher than that in serum, but significantly diminished in aged testes. Silencing of Hmgcs2 in young LCs resulted in decreased ketone body production, which in turn drove LCs senescence and accelerated testicular aging. Mechanistically, BHB acted as an endogenous inhibitor of histone deacetylase 1 to upregulate the expression of Foxo3a by promoting histone acetylation, thereby mitigating LCs senescence and promoting testosterone production. Consistently, enhanced ketogenesis by genetic manipulation or oral BHB supplementation alleviated LCs senescence and ameliorated testicular aging in aged mice. These findings highlight defective ketogenesis as a pivotal factor in testicular aging, suggesting novel therapeutic avenues for addressing age-related testicular dysfunction.
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Project description:Testicular fetal Leydig cells are specialized for androgen production during embryogenesis. Testosterone is essential for regulating sex differentiation, spermatogenesis, and fertility. Deficiencies in Leydig cell differentiation can lead to various disorders of sex development and male reproductive conditions, such as ambiguous genitalia, hypospadias, cryptorchidism, and infertility. Understanding the differentiation of fetal Leydig cells is essential for comprehending male sexual differentiation, reproductive health, and fertility.
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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).
2019-01-19 | GSE125303 | GEO
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 miRNA-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).
2019-01-19 | GSE125302 | GEO