Myostatin dysfunction does not protect from fasting-induced loss of muscle mass in mice.
Caloric Restriction
Fasting
Muscle Atrophy
Muscle Specific Force
Myostatin
Journal
Journal of musculoskeletal & neuronal interactions
ISSN: 1108-7161
Titre abrégé: J Musculoskelet Neuronal Interact
Pays: Greece
ID NLM: 101084496
Informations de publication
Date de publication:
01 09 2019
01 09 2019
Historique:
entrez:
3
9
2019
pubmed:
3
9
2019
medline:
21
7
2020
Statut:
ppublish
Résumé
The aim of the study was to investigate if myostatin dysfunction can ameliorate fasting-induced muscle wasting. 18-week old males from Berlin high (BEH) strain with myostatin dysfunction and wild type myostatin (BEH+/+) strain were subjected to 48-h food deprivation (FD). Changes in body composition as well as contractile properties of soleus (SOL) and extensor digitorum longus (EDL) muscles were studied. BEH mice were heavier than BEH+/+ mice (56.0±2.5 vs. 49.9±2.8 g, P<0.001, respectively). FD induced similar loss of body mass in BEH and BEH+/+ mice (16.6±2.4 vs. 17.4±2.2%, P>0.05), but only BEH mice experienced wasting of the gastrocnemius, tibialis anterior and plantaris muscles. FD induced a marked decrease in specific muscle force of SOL. EDL of BEH mice tended to be protected from this decline. Myostatin dysfunction does not protect from loss of muscle mass during fasting.
Substances chimiques
Mstn protein, mouse
0
Myostatin
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
342-353Références
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