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TGF?-induced osteogenic potential of human amniotic fluid stem cells via CD73-generated adenosine production.


ABSTRACT: The human amniotic fluid stem cell (hAFSC) population consists of two morphologically distinct subtypes, spindle-shaped and round-shaped cells (SS-hAFSCs and RS-hAFSCs). Whilst SS-hAFSCs are routinely expanded in mesenchymal-type (MT) conditions, we previously showed that they acquire broader differentiation potential when cultured under embryonic-type (ET) conditions. However, the effects of culture conditions on RS-hAFSCs have not been determined. Here, we show that culturing RS-hAFSCs under ET conditions confers faster proliferation and enhances the efficiency of osteogenic differentiation of the cells. We show that this occurs via TGF?-induced activation of CD73 and the associated increase in the generation of extracellular adenosine. Our data demonstrate that culture conditions are decisive for the expansion of hAFSCs and that TGF? present in ET conditions causes the phenotype of RS-hAFSCs to revert to an earlier state of stemness. Cultivating RS-hAFSCs in ET conditions with TGF? may therefore increase their therapeutic potential for clinical applications.

SUBMITTER: Hau KL 

PROVIDER: S-EPMC5529586 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature

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TGFβ-induced osteogenic potential of human amniotic fluid stem cells via CD73-generated adenosine production.

Hau Kwan-Leong KL   Ranzoni Anna Maria AM   Vlahova Filipa F   Hawkins Kate K   De Coppi Paolo P   David Anna L AL   Guillot Pascale V PV   Guillot Pascale V PV  

Scientific reports 20170726 1


The human amniotic fluid stem cell (hAFSC) population consists of two morphologically distinct subtypes, spindle-shaped and round-shaped cells (SS-hAFSCs and RS-hAFSCs). Whilst SS-hAFSCs are routinely expanded in mesenchymal-type (MT) conditions, we previously showed that they acquire broader differentiation potential when cultured under embryonic-type (ET) conditions. However, the effects of culture conditions on RS-hAFSCs have not been determined. Here, we show that culturing RS-hAFSCs under E  ...[more]

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