Absence of Parkin Results in Atrophy of Oxidative Myofibers and Modulation of AKT and MURF1 Signaling in Middle-Aged Male Mice.

Isabela Aparecida Divino, Ana Laura da Vieira-da-Silva, Marcos Vinicius Esteca, Rafael Paschini Tonon, Felipe Oliveira Gomes da Cruz, Renata Rosseto Braga, Eduardo Rochete Ropelle, Paulo Guimarães Gandra, Igor Luchini Baptista

Laboratory of Cell and Tissue Biology (LaBCeT), School of Applied Sciences, University of Campinas, Limeira, Brazil. · pubmed

Paper

Abstract

This work aimed to investigate the effects of the loss of Parkin in middle-aged mice skeletal muscle, focusing on different types of myofibers and in the analysis of proteins related to protein synthesis and degradation as well as the analysis of force generation and motor balance.

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Research summary

The paper claims that the absence of Parkin leads to atrophy of oxidative myofibers and alters AKT and MURF1 signaling in middle-aged mice. This research is relevant as it investigates the underlying mechanisms of muscle atrophy associated with aging, which could contribute to understanding age-related muscle degeneration and potential interventions.

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