Expression data from adult (9 month-old) hearts from GRK2 heterozygous C57BL/6J mice and its wild type littermates

G protein-coupled receptor kinase 2 (GRK2) has emerged as a key regulator of cardiac function and myocardial structure. Cardiac GRK2 is increased in heart failure and ischemia in humans, whereas genetic inhibition of GRK2 is cardioprotective in animal models of these pathologies. However, the mechanistic basis underlying these effects are not fully understood. We have used adult GRK2 hemizygous mice (GRK2+/-) as a model to assess the effects of a sustained systemic inhibition of GRK2 in heart tissue with age.

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Lucas E, Jurado-Pueyo M, Fortuño MA, Fernández-Veledo S, Vila-Bedmar R, Jiménez-Borreguero LJ, Lazcano JJ, Gao E, Gómez-Ambrosi J, Frühbeck G, Koch WJ, Díez J, Mayor F Jr, Murga C