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Regulation of mitochondrial function and endoplasmic reticulum stress by nitric oxide in pluripotent stem cells

AutorCaballano-Infantes, Estefanía; Terron-Bautista, José; Beltrán-Povea, Amparo; Cahuana, Gladys M. ; Soria Escoms, Bernat ; Nabil, Hajji; Bedoya Bergua, Francisco Javier ; Tejedo Huamán, Juan Rigoberto
Palabras claveNitric oxide
Endoplasmic reticulum stress
Mitochondrial function
Cell differentiation
Mitochondrial biogenesis
Fecha de publicación2017
EditorBaishideng Publishing Group
CitaciónWorld Journal of Stem Cells 9(2): 26-36 (2017)
ResumenMitochondrial dysfunction and endoplasmic reticulum stress (ERS) are global processes that are interrelated and regulated by several stress factors. Nitric oxide (NO) is a multifunctional biomolecule with many varieties of physiological and pathological functions, such as the regulation of cytochrome c inhibition and activation of the immune response, ERS and DNA damage; these actions are dose-dependent. It has been reported that in embryonic stem cells, NO has a dual role, controlling differentiation, survival and pluripotency, but the molecular mechanisms by which it modulates these functions are not yet known. Low levels of NO maintain pluripotency and induce mitochondrial biogenesis. It is well established that NO disrupts the mitochondrial respiratory chain and causes changes in mitochondrial Ca flux that induce ERS. Thus, at high concentrations, NO becomes a potential differentiation agent due to the relationship between ERS and the unfolded protein response in many differentiated cell lines. Nevertheless, many studies have demonstrated the need for physiological levels of NO for a proper ERS response. In this review, we stress the importance of the relationships between NO levels, ERS and mitochondrial dysfunction that control stem cell fate as a new approach to possible cell therapy strategies.
Versión del editorhttps://doi.org/10.4252/wjsc.v9.i2.26
Identificadoresdoi: 10.4252/wjsc.v9.i2.26
e-issn: 1948-0210
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