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NeuroHeal Reduces Muscle Atrophy and Modulates Associated Autophagy.


ABSTRACT: Muscle wasting is an unmet medical need which leads to a reduction of myofiber diameter and a negative impact on the functional performance of daily activities. We previously found that a new neuroprotective drug called NeuroHeal reduced muscle atrophy produced by transient denervation. Aiming to decipher whether NeuroHeal has a direct role in muscle biology, we used herein different models of muscle atrophy: one caused by chronic denervation, another caused by hindlimb immobilization, and lastly, an in vitro model of myotube atrophy with Tumor Necrosis Factor-? (TNF?). In all these models, we observed that NeuroHeal reduced muscle atrophy and that SIRT1 activation seems to be required for that. The treatment downregulated some critical markers of protein degradation: Muscle Ring Finger 1 (MuRF1), K48 poly-Ub chains, and p62/SQSTM1. Moreover, it seems to restore the autophagy flux associated with denervation. Hence, we envisage a prospective use of NeuroHeal at clinics for different myopathies.

SUBMITTER: Marmolejo-Martinez-Artesero S 

PROVIDER: S-EPMC7408527 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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NeuroHeal Reduces Muscle Atrophy and Modulates Associated Autophagy.

Marmolejo-Martínez-Artesero Sara S   Romeo-Guitart David D   Mañas-García Laura L   Barreiro Esther E   Casas Caty C  

Cells 20200628 7


Muscle wasting is an unmet medical need which leads to a reduction of myofiber diameter and a negative impact on the functional performance of daily activities. We previously found that a new neuroprotective drug called NeuroHeal reduced muscle atrophy produced by transient denervation. Aiming to decipher whether NeuroHeal has a direct role in muscle biology, we used herein different models of muscle atrophy: one caused by chronic denervation, another caused by hindlimb immobilization, and lastl  ...[more]

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