BMP15 gene is activated during human amniotic fluid stem cell differentiation into oocyte-like cells

DNA and Cell Biology
Xiang ChengHuayan Wang

Abstract

The generation of oocyte-like cells (OLCs) from stem cell differentiation in vitro provides an optimal approach for studying the mechanism of oocyte development and maturation. The aim of this study was to investigate the activation of bone morphogenetic protein 15 gene (BMP15) during the differentiation of human amniotic fluid stem cells (hAFSCs) into OLCs. After 15 days of differentiation, OLCs with a diameter of 50-60 μm and zona pellucida (ZP)-like morphology were observed. Reverse transcription-polymerase chain reaction (RT-PCR) analysis showed the BMP15 was activated from approximately day 10 of differentiating hAFSCs and thereafter. The reporter construct pBMP15-enhanced green fluorescent protein (EGFP) was transiently transfected into the differentiated hAFSCs and the EGFP expression driven by the BMP15 promoter was positive in the OLCs. Moreover, RT-PCR analysis showed that the oocyte-specific markers including ZP1, ZP2, ZP3, and c-kit were expressed in the differentiated hAFSCs, and the immunofluorescence assay confirmed that the ZP2 was detected in the OLCs. Quantitative RT-PCR revealed that ZP2 and ZP3 were significantly elevated in the differentiated hAFSCs. Further, in the OLCs derived from hAFSCs, the BMP15 promo...Continue Reading

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Mar 20, 2013·BioMed Research International·Irma Virant-KlunThomas Skutella
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Methods Mentioned

BETA
PCR
transfection
reverse transcription-PCR
electrophoresis
flow cytometry

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