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1 Janelia Publications

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    Lippincott-Schwartz Lab
    12/11/18 | MYC induces a hybrid energetics program early in cell reprogramming.
    Prieto J, Seo AY, León M, Santacatterina F, Torresano L, Palomino-Schätzlein M, Giménez K, Vallet-Sánchez A, Ponsoda X, Pineda-Lucena A, Cuezva JM, Lippincott-Schwartz J, Torres J
    Stem Cell Reports. 2018 Dec 11;11(6):1479-92. doi: 10.1016/j.stemcr.2018.10.018

    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.

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