Whole-genome single-cell 5mC sequencing of human primordial germ cell-like cells
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ABSTRACT:
PROVIDER: PRJNA577931 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR10294424.fastq.gz | Fastqsanger.gz | |||
| SRR10294425.fastq.gz | Fastqsanger.gz | |||
| SRR10294426.fastq.gz | Fastqsanger.gz | |||
| SRR10294427.fastq.gz | Fastqsanger.gz | |||
| SRR10294428.fastq.gz | Fastqsanger.gz |
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Project description:In this study, we evaluated the 5mC content of single cell human primordial germ cell-like cells (hPGCLCs) generated from a male human embryonic stem cell line (UCLA2, 46XY). tilizing a strand-specific, enzymatic based method of sequencing, we compared the 5mC content of the plus strand relative to the whole chromosome. We evaluated just specified hPGCLCs, at day 4 of differentiation (D4) and then D4 hPGCLCs that were cultured on a feeder layer for additional 10 days (D4C10).
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Project description:Primordial germ cells (PGCs), the embryonic precursors of eggs and sperm, are a unique model for identifying and studying regulatory mechanisms in singly migrating cells. From their time of specification to eventual colonization of the gonad, mouse PGCs traverse through and interact with many different cell types, including epithelial cells and mesenchymal tissues. Work in drosophila and zebrafish have identified many genes and signaling pathways involved in PGC migration, but little is known about this process in mammals. We have generated a point mutation in the Ror2 gene that we know disrupts primordial germ cell migration in the developing mouse embryo. We used microarray analysis to determine if this defect is mediated through genome-wide or pathway-specific transcriptional changes. We analyzed primordial germ cells (PGCs) from 4 wild-type (WT) and 4 Ror2Y324C/Y324C mutant embryos using Oct4-DPE-EGFP. PGCs were collected during their active migratory state at embryonic day 9.5 (somite range 20-25).
2014-08-08 | E-GEOD-60179 | biostudies-arrayexpress
Project description:To investigate the role of NRF1 in regulating primordial germ cell development, We established conditional knockout mice of Nrf1 in primordial germ cell to observe the effect of Nrf1 knockout on the development of primordial germ cell. At the same time, we utilized a pluripotent stem cell differentiation system in vitro to obtain PGCL cells for chip_ Seq, analyze which genes Nrf1 directly binds to. Meanwhile, we established a pluripotent stem cell line induced by Nrf1 overexpression and performed RNA_seq analysis on PGCL cells overexpressing Nrf1 obtained in vitro
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Project description:To investigate the role of NRF1 in regulating primordial germ cell development, We established conditional knockout mice of Nrf1 in primordial germ cell to observe the effect of Nrf1 knockout on the development of primordial germ cell. At the same time, we utilized a pluripotent stem cell differentiation system in vitro to obtain PGCL cells for chip_ Seq, analyze which genes Nrf1 directly binds to. Meanwhile, we established a pluripotent stem cell line induced by Nrf1 overexpression and performed RNA_seq analysis on PGCL cells overexpressing Nrf1 obtained in vitro
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Project description:Transgenic StellaGFP ESCs were used to derive primordial germ cells during embryoid body (EB) differentiation, and microarry analysis used to compared FACS sorted Stella-positive cells of day 7 Ebs with the parental ESCs and Stella-negative cells of day 7 Ebs. Keywords: in vitro, primordial germ cells, embryonic stem cells, stella
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Project description:The molecular mechanisms underlying the commitment of cells to the germ cell lineage and the subsequent formation of germ cells during mammalian development remain poorly understood due to an inability to obtain sufficient amounts of cellular materials to conduct thorough in-vitro analyses. Although primordial germ cells (PGCs) have been generated and isolated from embryonic stem cells (ESCs) in vitro, concurrent expression of several cell surface receptors and transcription factors, at various levels, confounds the identification of these cells. To date, only a few genes that mark the onset of germ cell commitment to the epiblast, including tissue nonspecific alkaline phosphatase (TNAP), Blimp1, Stella, and Fragilis, have been used with some degree of success to detect PGC formation in in-vitro model systems. In light of the current literature, the generation of an unlimited supply of germ cells and gametes from pluripotent stem cells would greatly facilitate studies into reproductive development. To accomplish this, we would need to discover novel markers that are specifically expressed in germ cells. Here we identified four genes that are specifically expressed in male and female germ cells, both in vivo and in vitro, but are not expressed in somatic tissues or ESCs. Expression of these genes therefore allows us to distinguish committed germ cells from undifferentiated pluripotent cell populations, a prerequisite for the successful derivation of germ cells and gametes in vitro. For RNA isolation, PGCs were sorted by FACS, collected by centrifugation, lysed in RLT buffer (QIAGEN), and processed using RNeasy Micro kits with on-column DNase digestion as per the manufacturer's instructions. Integrity of RNA samples was quality-checked using a 2100 Bioanalyzer (Agilent). If possible, 300 ng of total RNA per sample was used as starting material for linear amplification (Illumina TotalPrep RNA amplification kit, Ambion), which involved synthesis of T7-linked double-stranded cDNA and 14 hrs of in-vitro transcription incorporating biotin-labeled nucleotides. Purified and labeled cRNA was then quality-checked on a 2100 Bioanalyser, and hybridized as biological or technical duplicates for 18 hrs onto MouseRef-8 v2 gene expression BeadChips (Illumina), following the manufacturer's instructions. After being washed, the chips were stained with streptavidin-Cy3 (GE Healthcare) and scanned using the iScan reader and accompanying software. 44 samples were analyzed. ESCm: OG2 male Embryonic Stem Cell, +/+ Oct4-GFP ES cells, 1 biological rep 11.5: 11.5 embryonic day PGC (Primordial Germ Cell), 2 biological reps 12.5F: 12.5 embryonic day female PGC (Primordial Germ Cell), 2 biological reps 13.5F: 13.5 embryonic day female PGC (Primordial Germ Cell), 2 biological reps 14.5F: 14.5 embryonic day female PGC (Primordial Germ Cell), 2 biological reps 15.5F: 15.5 embryonic day female PGC (Primordial Germ Cell), 2 biological reps 16.5F: 16.5 embryonic day female PGC (Primordial Germ Cell), 2 biological reps 17.5F: 17.5 embryonic day female PGC (Primordial Germ Cell), 2 biological reps 18.5F: 18.5 embryonic day female PGC (Primordial Germ Cell), 2 biological reps 12.5M: 12.5 embryonic day male PGC (Primordial Germ Cell), 2 biological reps 13.5M: 13.5 embryonic day male PGC (Primordial Germ Cell), 2 biological reps 14.5M: 14.5 embryonic day male PGC (Primordial Germ Cell), 2 biological reps 15.5M: 15.5 embryonic day male PGC (Primordial Germ Cell), 2 biological reps 16.5M: 16.5 embryonic day male PGC (Primordial Germ Cell), 2 biological reps 17.5M: 17.5 embryonic day male PGC (Primordial Germ Cell), 2 biological reps 18.5M: 18.5 embryonic day male PGC (Primordial Germ Cell), 2 biological reps 8M: 8 day after birth male PGC (Primordial Germ Cell), 2 biological reps 10M: 10 day after birth male PGC (Primordial Germ Cell), 2 biological reps 12M: 12 day after birth male PGC (Primordial Germ Cell), 2 biological reps 14M: 14 day after birth male PGC (Primordial Germ Cell), 1 biological rep 16M: 16 day after birth male PGC (Primordial Germ Cell), 2 biological reps 18M: 18 day after birth male PGC (Primordial Germ Cell), 2 biological reps 20M: 20 day after birth male PGC (Primordial Germ Cell), 2 biological reps
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Project description:We sequenced embryoid bodies at two time points (18h, 96h) following a differentiation protocol to induce Primordial Germ Cell-like Cells (PGCLC) in a TFAP2A KO line and parental line
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Project description:Female primordial germ cell differentiation undergoes sex determination and meiosis initiation asynchronously. Here we investigate the transcriptional profiles of 20519 single cells collected from E12.5, E14.5 and E16.5 mouse fetal ovaries. Clustering analysis identifies ten clusters and defines dozens of corresponding marker genes and provides a global view of cellular differentiation from undifferentiated primordial germ cells towards meiotic oocytes. We explore the dynamics of gene expression within the differentiation trajectory with special focus on the mechanisms for meiotic initiation.
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