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Amplification of Germ Cells through Parthenogenesis Faithfully Maintain Genomic Imprinting

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Mus musculus

PROVIDER: GSE154145 | GEO | 2021/12/22

REPOSITORIES: GEO

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Amplification of Germ Cells through Parthenogenesis Faithfully Maintain Genomic Imprinting [RRBS]

Project description:We asked whether oocyte number could be amplified through parthenogenesis of mouse oocytes, without requiring creation of a paternal genome and a genetically unique genome. Parthenotes develop to a blastocyst-like stage, and from this parthenogenetic ESCs (pESCs) can be derived with high efficiency. Like ESCs, pESCs maintain unlimited self-renewal and pluripotency, as well as germline competence. Further, we demonstrate that their expression pattern of imprinted maternal genes resembles that observed in oocytes. pESCs can be directed to differentiate into primordial germ cell-like cells (PGCLCs) and form oocytes that produce fertile pups and reconstitute ovarian endocrine functions. The transcriptome and imprinting pattern of PGCLCs differentiated from pESCs more closely approximate those of in vivo produced embryonic PGCs, than PGCLCs produced from ESCs. Parthenogenesis offers a promising route for deriving PGCLCs and amplifying oocytes by faithfully maintaining maternal genes, without fertilization.

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Amplification of Germ Cells through Parthenogenesis Faithfully Maintain Genomic Imprinting [RNA-seq]

Project description:We perform E9.5 PGC RNA-seq for indentify the germ cell marker genes and imprinting genes expression.

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