Red-toothed shrews of subfamily Soricinae are small mammals with very high mass-specific metabolic rate. Owing to their high aerobic power they are interesting objects for studies concerning the limits and constraints of skeletal muscle adaptation. In order to clarify the correlation between metabol
Myosin heavy chain composition of muscle fibers in spinal muscular atrophy
β Scribed by Dr. Donatella Biral; Dr. Elio Scarpini; Dr. Corrado Angelini; Dr. Giovanni Salviati; Dr. Alfredo Margreth
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 918 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0148-639X
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Myosin heavy chain (MHC) and fiber size properties of the adult rat soleus were determined after 4-60 days of complete inactivity, i.e., lumbar spinal cord isolation. Soleus atrophy was rapid and progressive, i.e., 25% and 64% decrease in weight and 33% and 75% decrease in fiber size after 4 and 60
## Abstract The contractile speed of striated muscle is correlated with myosin adenosine triphosphatase (ATPase) activity. In crustaceans, ATPase activity in fast muscle is about fourβfold greater than that in slow muscle. Slow and fast myosins were purified from the crusher claw closer and the dee