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  • Title: Muscle regeneration after exercise-induced myoglobinuria: an electron microscopic study.
    Author: Mantz J, Hindelang C, Mantz JM, Stoeckel ME.
    Journal: Virchows Arch A Pathol Anat Histopathol; 1993; 423(2):91-5. PubMed ID: 8212544.
    Abstract:
    Muscle regeneration was studied by light and electron microscopy in a case of exercise-induced acute myoglobinuria in a young patient with carnitine-palmityl-transferase deficiency. Various stages of regeneration existed in the foci of necrosis scattered throughout apparently normal muscle. Activated satellite cells, myoblasts and myotubes were found, some of them containing myofibrils. Among the cells accumulating in the necrotic fibres, some apparently contained surviving myonuclei. In some fibres of normal size, developing myofibrils were abundant. Surviving myonuclei may be of significance in the reaction of muscle cells after injury.
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