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Differentiation of nonhuman primate pluripotent stem cells into functional keratinocytes.


ABSTRACT: Epidermal grafting using cells derived from pluripotent stem cells will change the face of this side of regenerative cutaneous medicine. To date, the safety of the graft would be the major unmet deal in order to implement long-term skin grafting. In this context, experiments on large animals appear unavoidable to assess this question and possible rejection. Cellular tools for large animal models should be constructed.In this study, we generated monkey pluripotent stem cell-derived keratinocytes and evaluated their capacities to reconstruct an epidermis, in vitro as well as in vivo.Monkey pluripotent stem cells were differentiated efficiently into keratinocytes able to reconstruct fully epidermis presenting a low level of major histocompatibility complex class-I antigens, opening the way for autologous or allogeneic epidermal long-term grafting.Functional keratinocytes generated from nonhuman primate embryonic stem cells and induced pluripotent stem cells reproduce an in-vitro and in-vivo stratified epidermis. These monkey skin grafts will be considered to model autologous or allogeneic epidermal grafting using either embryonic stem cells or induced pluripotent stem cells. This graft model will allow us to further investigate the safety, efficacy and immunogenicity of nonhuman primate PSC-derived epidermis in the perspective of human skin cell therapy.

SUBMITTER: Domingues S 

PROVIDER: S-EPMC5738144 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Differentiation of nonhuman primate pluripotent stem cells into functional keratinocytes.

Domingues Sophie S   Masson Yolande Y   Marteyn Aurore A   Allouche Jennifer J   Perrier Anselme L AL   Peschanski Marc M   Martinat Cecile C   Baldeschi Christine C   Lemaître Gilles G  

Stem cell research & therapy 20171219 1


<h4>Background</h4>Epidermal grafting using cells derived from pluripotent stem cells will change the face of this side of regenerative cutaneous medicine. To date, the safety of the graft would be the major unmet deal in order to implement long-term skin grafting. In this context, experiments on large animals appear unavoidable to assess this question and possible rejection. Cellular tools for large animal models should be constructed.<h4>Methods</h4>In this study, we generated monkey pluripote  ...[more]

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