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  • Similar population of CD133+ and DDX4+ VSEL-like stem cells sorted from human embryonic stem cell, ovarian, and ovarian cancer ascites cell cultures [Elektronski vir] : the real embryonic stem cells
    Virant-Klun, Irma ...
    A population of small stem cells with diameters of up to 5 %m resembling very small embryonic-like stem cells (VSELs) were sorted from human embryonic stem cell (hESC) cultures using ... magnetic-activated cell sorting (MACS) based on the expression of a stem-cell-related marker prominin-1 (CD133). These VSEL-like stem cells had nuclei that almost filled the whole cell volume and expressed stem-cell-related markers (CD133, SSEA-4) and markers of germinal lineage (DDX4/VASA, PRDM14). They were comparable to similar populations of small stem cells sorted from cell cultures of normal ovaries and were the predominant cells in ascites of recurrent ovarian cancer. The sorted populations of CD133+ VSEL-like stem cells were quiescent in vitro, except for ascites, and were highly activated after exposure to valproic acid and follicle-stimulating hormone (FSH), indicating a new tool to study these cells in vitro. These VSEL-like stem cells spontaneously formed clusters resembling tumour-like structures or grew into larger, oocyte-like cells and were di%erentiated in vitro into adipogenic, osteogenic and neural lineages after sorting. We propose the population of VSEL-like stem cells from hESC cultures as potential original embryonic stem cells, which are present in the human embryo, persist in adult human ovaries from the embryonic period of life and are involved in cancer manifestation.
    Source: Cells [Elektronski vir]. - ISSN 2073-4409 (Vol. 8, no. 7, 2019, str. [1-21])
    Type of material - e-article
    Publish date - 2019
    Language - english
    COBISS.SI-ID - 3286907

    Link(s):

    https://www.mdpi.com/2073-4409/8/7/706
    DOI

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