Title |
Mesenchymal origin of multipotent human testis-derived stem cells in human testicular cell cultures
|
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Published in |
MHR : Basic Science of Reproductive Medicine, November 2013
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DOI | 10.1093/molehr/gat076 |
Pubmed ID | |
Authors |
J.V. Chikhovskaya, S.K.M. van Daalen, C.M. Korver, S. Repping, A.M.M. van Pelt |
Abstract |
In contrast to mouse germ cell-derived pluripotent stem cells, the pluripotent state of human testis-derived embryonic stem cell (ESC)-like that spontaneously arise in primary testicular cell cultures remains controversial. Recent studies have shown that these cells closely resemble multipotent mesenchymal stem cells (MSCs), raising the question of their origin and designating these cell populations as multipotent human testis-derived stem cells (mhtSCs) rather than truly ESC-like cells. Here, we evaluate the origin of mhtSCs in vitro by culturing selected testicular cell types. We demonstrate that mhtSCs can be obtained equally efficiently in cultures of pure testicular somatic cells devoid of germ cells. Conversely, cultures with a purified population of germ cells/spermatogonia do not produce any mhtSCs. Based on common molecular characteristics of the somatic starting population and mhtSCs, we conclude that mhtSCs colonies originate from somatic mesenchymal progenitors present in primary testicular cell cultures and do not arise from germ cells undergoing incomplete reprogramming in vitro. |
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Mendeley readers
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