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Induction of differentiation from hiPSCs into Leydig-like cells (scRNA-Seq)

ABSTRACT: Induction of differentiation from hiPSCs into Leydig-like cells (scRNA-Seq)

PROVIDER: PRJNA1028967 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR26410318_1.fastq.gz	Fastqsanger.gz
	SRR26410318_2.fastq.gz	Fastqsanger.gz
	SRR26410319_1.fastq.gz	Fastqsanger.gz
	SRR26410319_2.fastq.gz	Fastqsanger.gz
	SRR26410320_1.fastq.gz	Fastqsanger.gz

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Induction of differentiation from hiPSCs into Leydig-like cells

Project description:Induction of differentiation from hiPSCs into Leydig-like cells

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Induction of differentiation from hiPSCs into Leydig-like cells (scRNA-Seq)

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NR2F2 Regulation of Fetal Leydig Cell Differentiation: Insights into Differences of Sex Development [multiome]

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:Centrosomal protein 83 (CEP83) is a component of the distal appendages proteins of centrioles, which is necessary for the assembly of primary cilia. Previous studies have implicated primary cilia in normal development and tissue homeostasis, including kidney development. The kidney develops from human induced pluripotent stem cell (hiPSCs) in a stepwise process involving induction of specialized Nephron progenitors (NPs) in the intermediate mesoderm (IM), followed by their differentiation into kidney epithelia. Here, we used CRISPR-cas9 technology to knockout CEP83 in hiPSCs that were differentiated versus the wildtype hiPSCs into IM followed by kidney epithelial differentiation to analyze the role of CEP83 in human kidney epithelial differentiation. We used morphological analyses, gene expression studies and immunostaining to analyze IM and nephron differentiation. Bulk RNA and single cell sequencing showed that CEP83-/- IM cells abnormally upregulate regulatory transcription factors of lateral plate mesoderm (LPM) including OSR1, FOXF1, FOXF2, HAND2 and FEDRR., and downregulate marker genes in specific NPs ncluding; PAX8, HOXB7 and EYA1. Further, wildtype hiPSCs successfully differentiated into kidney organoids that upregulate key nephron markers, including NPHS1, CUBN and GATA3. In contrast, CEP83-/- hiPSCs failed to differentiate into nephron epithelia and didn’t express nephron marker genes. In a human system modeling kidney epithelial differentiation from hiPSCs, our data provide a new insight to the essential role of CEP83 in NPs differentiation and may help to better understand the pathogenesis of CEP83-associated renal developmental defects.

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