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Título: | MYC Induces a Hybrid Energetics Program Early in Cell Reprogramming |
Autor: | Prieto, Javier; Cuezva, José M. CSIC ORCID; Torres, Josema | Fecha de publicación: | 2018 | Citación: | Stem Cell Reports 11: 1479- 1492 (2018) | Resumen: | Cell reprogramming is thought to be associated with a full metabolic switch from an oxidative- to a glycolytic-based metabolism. However, neither the dynamics nor the factors controlling this metabolic switch are fully understood. By using cellular, biochemical, protein array, metabolomic, and respirometry analyses, we found that c-MYC establishes a robust bivalent energetics program early in cell reprogramming. Cells prone to undergo reprogramming exhibit high mitochondrial membrane potential and display a hybrid metabolism. We conclude that MYC proteins orchestrate a rewiring of somatic cell metabolism early in cell reprogramming, whereby somatic cells acquire the phenotypic plasticity necessary for their transition to pluripotency in response to either intrinsic or external cues.Torres and colleagues describe an MYC-dependent remodeling of mitochondrial dynamics and metabolism during the first stage of cell reprogramming. Endogenous MYC activity was found to be necessary for cell reprogramming, likely by establishing a hybrid metabolic state characterized by elevated glycolytic flux and a somatic oxidative metabolic rate. MYC polarized mitochondria by increasing ATPIF1 and labeled cells prone to cell reprogramming. | URI: | http://hdl.handle.net/10261/179688 | DOI: | 10.1016/j.stemcr.2018.10.018 | Identificadores: | doi: 10.1016/j.stemcr.2018.10.018 issn: 2213-6711 |
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CuezvaJM_MYCInducesAHybrid.pdf | 3,97 MB | Adobe PDF | Visualizar/Abrir |
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