A pilot study of muscle plasma protein changes after exercise. 2014

Julia R Dahlqvist, and Line G Voss, and Thomas Lauridsen, and Thomas O Krag, and John Vissing
Neuromuscular Research Unit 3342, Department of Neurology, Rigshospitalet, University of Copenhagen, Blegdamsvej 9, 2100, Copenhagen, Denmark.

BACKGROUND Creatine kinase (CK) and myoglobin (Mb) do not possess all good qualities as biomarkers of skeletal muscle damage. We investigated the utility of troponin I (TnI) and telethonin (Tcap) as markers and examined their temporal profiles after skeletal muscle damage. METHODS Plasma profiles were measured before and after exercise in 3 groups: subjects affected by either Becker muscular dystrophy or McArdle disease, and healthy subjects. RESULTS Mb and TnI appeared early in the blood, and the increase of TnI was only observed in patients with muscle disease. The CK increase was more delayed in plasma. Tcap was not detectable at any time. CONCLUSIONS Our results suggest that TnI is a marker of more severe damage signifying sarcomeric damage, and it could therefore be an important supplement to CK and Mb in clinical practice. Tcap is not useful as a marker for skeletal muscle damage.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010865 Pilot Projects Small-scale tests of methods and procedures to be used on a larger scale if the pilot study demonstrates that these methods and procedures can work. Pilot Studies,Pilot Study,Pilot Project,Project, Pilot,Projects, Pilot,Studies, Pilot,Study, Pilot
D003402 Creatine Kinase A transferase that catalyzes formation of PHOSPHOCREATINE from ATP + CREATINE. The reaction stores ATP energy as phosphocreatine. Three cytoplasmic ISOENZYMES have been identified in human tissues: the MM type from SKELETAL MUSCLE, the MB type from myocardial tissue and the BB type from nervous tissue as well as a mitochondrial isoenzyme. Macro-creatine kinase refers to creatine kinase complexed with other serum proteins. Creatine Phosphokinase,ADP Phosphocreatine Phosphotransferase,ATP Creatine Phosphotransferase,Macro-Creatine Kinase,Creatine Phosphotransferase, ATP,Kinase, Creatine,Macro Creatine Kinase,Phosphocreatine Phosphotransferase, ADP,Phosphokinase, Creatine,Phosphotransferase, ADP Phosphocreatine,Phosphotransferase, ATP Creatine
D004734 Energy Metabolism The chemical reactions involved in the production and utilization of various forms of energy in cells. Bioenergetics,Energy Expenditure,Bioenergetic,Energy Expenditures,Energy Metabolisms,Expenditure, Energy,Expenditures, Energy,Metabolism, Energy,Metabolisms, Energy
D005260 Female Females
D006003 Glycogen
D006012 Glycogen Storage Disease Type V Glycogenosis due to muscle phosphorylase deficiency. Characterized by painful cramps following sustained exercise. Glycogenosis 5,McArdle's Disease,Deficiency, Muscle Phosphorylase,Glycogen Storage Disease Type 5,Glycogen Storage Disease V,McArdle Disease,McArdle Type Glycogen Storage Disease,Mcardle Syndrome,Muscle Glycogen Phosphorylase Deficiency,Muscle Phosphorylase Deficiency,Myophosphorylase deficiency,PYGM Deficiency,Deficiencies, Muscle Phosphorylase,Deficiencies, PYGM,Deficiency, PYGM,Disease, McArdle,Disease, McArdle's,Glycogenosis 5s,McArdles Disease,Mcardle Syndromes,Muscle Phosphorylase Deficiencies,Myophosphorylase deficiencies,PYGM Deficiencies,Phosphorylase Deficiencies, Muscle,Phosphorylase Deficiency, Muscle,Syndrome, Mcardle,Syndromes, Mcardle,deficiencies, Myophosphorylase,deficiency, Myophosphorylase
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths

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