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In Vivo Amelioration of Age-Associated Hallmarks by Partial Reprogramming

Ocampo, A; Reddy, P; Martinez-Redondo, P; Platero-Luengo, A; Hatanaka, F; Hishida, T; Li, M; Lam, D; Kurita, M; Beyret, E; Araoka, T; Vazquez-Ferrer, E; Donoso, D; Roman, JL; Xu, JN; Esteban, CR; Nunez, G; Delicado, EN; Campistol, JM; Guillen, I; Guillen,

CELL
2016
VL / 167 - BP / 1719 - EP / +
abstract
Aging is the major risk factor for many human diseases. In vitro studies have demonstrated that cellular reprogramming to pluripotency reverses cellular age, but alteration of the aging process through reprogramming has not been directly demonstrated in vivo. Here, we report that partial reprogramming by short-term cyclic expression of Oct4, Sox2, Klf4, and c-Myc (OSKM) ameliorates cellular and physiological hallmarks of aging and prolongs lifespan in a mousemodel of premature aging. Similarly, expression of OSKM in vivo improves recovery from metabolic disease and muscle injury in older wild-type mice. The amelioration of age-associated phenotypes by epigenetic remodeling during cellular reprogramming highlights the role of epigenetic dysregulation as a driver of mammalian aging. Establishing in vivo platforms to modulate age-associated epigenetic marks may provide further insights into the biology of aging.
50th Global

AccesS level

Green Accepted, Bronze

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PROYECTO FINANCIADO POR PLAN NACIONAL DE INVESTIGACIÓN AGENCIA ESTATAL DE INVESTIGACIÓN, MINISTERIO DE CIENCIA E INNOVACIÓN. PID2019-109127RB-I00