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Deficiency of MMP-10 Aggravates the Diseased Phenotype of Aged Dystrophic Mice.


ABSTRACT: Matrix metalloproteinases (MMPs) have been implicated in the progression of muscular dystrophy, and recent studies have reported the role of MMP-10 in skeletal muscle pathology of young dystrophic mice. Nevertheless, its involvement in dystrophin-deficient hearts remains unexplored. Here, we aimed to investigate the involvement of MMP-10 in the progression of severe muscular dystrophy and to characterize MMP-10 loss in skeletal and cardiac muscles of aged dystrophic mice. We examined the histopathological effect of MMP-10 ablation in aged mdx mice, both in the hind limb muscles and heart tissues. We found that MMP-10 loss compromises survival rates of aged mdx mice, with skeletal and cardiac muscles developing a chronic inflammatory response. Our findings indicate that MMP-10 is implicated in severe muscular dystrophy progression, thus identifying a new area of research that could lead to future therapies for dystrophic muscles.

SUBMITTER: Baraibar-Churio A 

PROVIDER: S-EPMC8705381 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature

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Deficiency of MMP-10 Aggravates the Diseased Phenotype of Aged Dystrophic Mice.

Baraibar-Churio Arantxa A   Bobadilla Míriam M   Machado Florencio J D FJD   Sáinz Neira N   Roncal Carmen C   Abizanda Gloria G   Prósper Felipe F   Orbe Josune J   Pérez-Ruiz Ana A  

Life (Basel, Switzerland) 20211214 12


Matrix metalloproteinases (MMPs) have been implicated in the progression of muscular dystrophy, and recent studies have reported the role of MMP-10 in skeletal muscle pathology of young dystrophic mice. Nevertheless, its involvement in dystrophin-deficient hearts remains unexplored. Here, we aimed to investigate the involvement of MMP-10 in the progression of severe muscular dystrophy and to characterize MMP-10 loss in skeletal and cardiac muscles of aged dystrophic mice. We examined the histopa  ...[more]

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