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Iron overload inhibits self-renewal of human pluripotent stem cells via DNA damage and generation of reactive oxygen species.
FEBS Open Bio ; 2020 Feb 13.
Artigo em Inglês | MEDLINE | ID: mdl-32053740
ABSTRACT
Iron overload affects the cell cycle of various cell types, but the effect of iron overload on human pluripotent stem cells (hPSCs) has not yet been reported. Here, we show that the proliferation capacities of human embryonic stem cells (hESCs) and human induced pluripotent stem cells (hiPSCs) were significantly inhibited by ferric ammonium citrate (FAC) in a concentration-dependent manner. Additionally, deferoxamine (DFO) protected hESCs/hiPSCs against FAC-induced cell cycle arrest. However, iron overload did not affect pluripotency in hESCs/hiPSCs. Further, treatment of hiPSCs with FAC resulted in excess reactive oxygen species production and DNA damage. Collectively, our findings provide new insights into the role of iron homeostasis in the maintenance of self-renewal in hPSCs.

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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Idioma: Inglês Ano de publicação: 2020 Tipo de documento: Artigo País de afiliação: China