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Expanding highly homogenous population of human primordial germ cell like cells in long-term and feeder-free culture condition [WGBS]

ABSTRACT: Expanding highly homogenous population of human primordial germ cell like cells in long-term and feeder-free culture condition [WGBS]

PROVIDER: PRJNA730031 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR14551619_1.fastq.gz	Fastqsanger.gz
	SRR14551619_2.fastq.gz	Fastqsanger.gz
	SRR14551620_1.fastq.gz	Fastqsanger.gz
	SRR14551620_2.fastq.gz	Fastqsanger.gz
	SRR14551621_1.fastq.gz	Fastqsanger.gz

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Expanding highly homogenous population of human primordial germ cell like cells in long-term and feeder-free culture condition [WGBS]

Project description:The culture methods for human primordial germ cell like cells (hPGCLCs) has not been established. Here we report the culture method to expand long-term culture hPGCLCs (LTC-hPGCLCs) representing migrating morphology and early hPGC transcriptome and methylome. Key components of the culture media are stem cell factor, STO-conditioned media and absence of fetal calf serum. In this condition, these LTC-hPGCLCs were highly homogenous population without feeder cells and expanded at least 150 days. They did not express senescent phenotype such as β-galactosidase activity and shortening of telomere length at the 150-day culture, indicating that the cell might be a perpetual cell line. LTC-hPGCLCs still have potent pluripotency indicating the phenotype that the cells become human embryonic germ cells which were distinguishable from human iPS cells in strong DLK1 expression and H19 biallelic expression. In summary this simple culture method and highly homogenous LTC-hPGCLCs would be a useful resource that supports investigations on human germline cells.

2021-05-15 | GSE174484 | GEO

Expanding highly homogenous population of human primordial germ cell like cells in long-term and feeder-free culture condition [RNA-Seq]

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Expanding highly homogenous population of human primordial germ cell like cells in long-term and feeder-free culture condition [scRNA-seq]

2021-06-25 | GSE178885 | GEO

Expanding highly homogenous population of human primordial germ cell like cells in long-term and feeder-free culture condition

Project description:Expanding highly homogenous population of human primordial germ cell like cells in long-term and feeder-free culture condition

| PRJNA730027 | ENA

Expanding highly homogenous population of human primordial germ cell like cells in long-term and feeder-free culture condition [RNA-Seq]

Project description:Expanding highly homogenous population of human primordial germ cell like cells in long-term and feeder-free culture condition [RNA-Seq]

| PRJNA730019 | ENA

Expanding highly homogenous population of human primordial germ cell like cells in long-term and feeder-free culture condition [scRNA-seq]

Project description:Expanding highly homogenous population of human primordial germ cell like cells in long-term and feeder-free culture condition [scRNA-seq]

| PRJNA741401 | ENA

Expanding highly homogenous population of human primordial germ cell like cells in long-term and feeder-free culture condition

Project description:This SuperSeries is composed of the SubSeries listed below.

2021-05-15 | GSE174485 | GEO

The single-cell transcriptome data of pig embryonic stem cells cultured without feeder cells

Project description:Here, we examined the effect of LDN-193189, an inhibitor of the BMP signaling pathway, on pig embryonic stem cells (ESCs) in the absence of feeder cells to develop a feeder-free culture system. Feeder cells play an important role in supporting the pluripotency of pig ESCs by blocking trophoblast and mesodermal differentiation through inhibition of the BMP pathway. Transcriptome analysis revealed that LDN-193189 treatment instead of coculturing with feeder cells could help maintain the pluripotency and homogenous cell population of pig ESCs by stimulating the secretion of chemokines and suppressing differentiation. We confirmed that LDN-193189-treated pig ESCs cultured without feeder cells maintained pluripotency for an extended period and were capable of differentiating in vivo and in vitro. The pig ESCs represented distinct characteristics of pig epiblasts as an in vivo counterpart at a transcriptomic level. In summary, we developed feeder-free culture systems for pig ESCs, and our findings will improve the understanding of pluripotency gene networks and comparative embryogenesis.

2024-11-17 | GSE189166 | GEO

Expanding homogeneous culture of human primordial germ cell-like cells maintaining germline features without serum or feeder layers.

Project description:In vitro expansion of human primordial germ cell-like cells (hPGCLCs), a pluripotent stem cell-derived PGC model, has proved challenging due to rapid loss of primordial germ cell (PGC)-like identity and limited cell survival/proliferation. Here, we describe long-term culture hPGCLCs (LTC-hPGCLCs), which actively proliferate in a serum-free, feeder-free condition without apparent limit as highly homogeneous diploid cell populations maintaining transcriptomic and epigenomic characteristics of hPGCLCs. Histone proteomics confirmed reduced H3K9me2 and increased H3K27me3 marks in LTC-hPGCLCs compared with induced pluripotent stem cells (iPSCs). LTC-hPGCLCs established from multiple human iPSC clones of both sexes were telomerase positive, senescence-free cells readily passaged with minimal cell death or deviation from the PGC-like identity. LTC-hPGCLCs are capable of differentiating to DAZL-positive M-spermatogonia-like cells in the xenogeneic reconstituted testis (xrTestis) organ culture milieu as well as efficiently producing fully pluripotent embryonic germ cell-like cells in the presence of stem cell factor and fibroblast growth factor 2. Thus, LTC-hPGCLCs provide convenient access to unlimited amounts of high-quality and homogeneous hPGCLCs.

| S-EPMC9039862 | biostudies-literature

Bulk RNAseq anaysis of PSCs and differentiating cells under on-feeder and feeder-free cultures

Project description:Gene expression profiling of human iPSCs [201B7] under on-feeder, feeder-free [StemFit], and FGF inhibitor [100 nM PD173074] -treated cultures, and differentiating cells.

2022-03-09 | GSE195689 | GEO

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