Carbohydrate metabolism of dog skeletal muscle during immobilization. 1987

M Hörl, and H P Bruch, and R Gold, and H Würtele, and B Gay

The effect of immobilization and the following mobilization on muscle carbohydrate metabolism was investigated in dogs. Total carbohydrate and glycogen content of skeletal muscle fell during immobilization. The glycogen-degrading enzyme phosphorylase was activated 1 week after immobilization (a/b ratio 40.6 +/- 7.6 vs. 27.1 +/- 6.5%). Thereafter, the enzyme activity decreased and remained significantly lowered even 2 weeks after the following mobilization. In contrast, muscle glucose and lactate concentration were unchanged. Our data indicates glycogen breakdown of dog skeletal muscle during immobilization. Even after 2 weeks of mobilization muscle glycogen content has not reached glycogen values of the untreated dogs.

UI MeSH Term Description Entries
D007103 Immobilization The restriction of the MOVEMENT of whole or part of the body by physical means (RESTRAINT, PHYSICAL) or chemically by ANALGESIA, or the use of TRANQUILIZING AGENTS or NEUROMUSCULAR NONDEPOLARIZING AGENTS. It includes experimental protocols used to evaluate the physiologic effects of immobility. Hypokinesia, Experimental,Experimental Hypokinesia,Experimental Hypokinesias,Hypokinesias, Experimental
D007773 Lactates Salts or esters of LACTIC ACID containing the general formula CH3CHOHCOOR.
D008297 Male Males
D009132 Muscles Contractile tissue that produces movement in animals. Muscle Tissue,Muscle,Muscle Tissues,Tissue, Muscle,Tissues, Muscle
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005260 Female Females
D005947 Glucose A primary source of energy for living organisms. It is naturally occurring and is found in fruits and other parts of plants in its free state. It is used therapeutically in fluid and nutrient replacement. Dextrose,Anhydrous Dextrose,D-Glucose,Glucose Monohydrate,Glucose, (DL)-Isomer,Glucose, (alpha-D)-Isomer,Glucose, (beta-D)-Isomer,D Glucose,Dextrose, Anhydrous,Monohydrate, Glucose
D006003 Glycogen
D006005 Phosphorylases A class of glucosyltransferases that catalyzes the degradation of storage polysaccharides, such as glucose polymers, by phosphorolysis in animals (GLYCOGEN PHOSPHORYLASE) and in plants (STARCH PHOSPHORYLASE). Glucan Phosphorylase,Phosphorylase,alpha-Glucan Phosphorylases
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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