Immunohistologic and electron microscopic abnormalities of desmin and dystrophin in familial cardiomyopathy and myopathy. 1994

H H Goebel, and T Voit, and I Warlo, and K Jacobs, and U Johannsen, and C R Müller
Division of Neuropathology, Johannes-Gutenberg University, Mainz/Germany.

A 52-year-old man had a cardiomyopathy for 22 years as had his brother. Both required pacemakers. For the past 12 years, he also suffered from increasing muscle weakness. His muscle fibres contained granulo-filamentous material as previously seen in muscle fibres of a French family with myopathy and cardiomyopathy. It was rich in desmin, alpha-B crystallin, and dystrophin, the connotation, pathogenesis, and common denominator of which, however, remain unexplained.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009136 Muscular Dystrophies A heterogeneous group of inherited MYOPATHIES, characterized by wasting and weakness of the SKELETAL MUSCLE. They are categorized by the sites of MUSCLE WEAKNESS; AGE OF ONSET; and INHERITANCE PATTERNS. Muscular Dystrophy,Myodystrophica,Myodystrophy,Dystrophies, Muscular,Dystrophy, Muscular,Myodystrophicas,Myodystrophies
D002311 Cardiomyopathy, Dilated A form of CARDIAC MUSCLE disease that is characterized by ventricular dilation, VENTRICULAR DYSFUNCTION, and HEART FAILURE. Risk factors include SMOKING; ALCOHOL DRINKING; HYPERTENSION; INFECTION; PREGNANCY; and mutations in the LMNA gene encoding LAMIN TYPE A, a NUCLEAR LAMINA protein. Cardiomyopathy, Congestive,Congestive Cardiomyopathy,Dilated Cardiomyopathy,Cardiomyopathy, Dilated, 1a,Cardiomyopathy, Dilated, Autosomal Recessive,Cardiomyopathy, Dilated, CMD1A,Cardiomyopathy, Dilated, LMNA,Cardiomyopathy, Dilated, With Conduction Defect 1,Cardiomyopathy, Dilated, with Conduction Deffect1,Cardiomyopathy, Familial Idiopathic,Cardiomyopathy, Idiopathic Dilated,Cardiomyopathies, Congestive,Cardiomyopathies, Dilated,Cardiomyopathies, Familial Idiopathic,Cardiomyopathies, Idiopathic Dilated,Congestive Cardiomyopathies,Dilated Cardiomyopathies,Dilated Cardiomyopathies, Idiopathic,Dilated Cardiomyopathy, Idiopathic,Familial Idiopathic Cardiomyopathies,Familial Idiopathic Cardiomyopathy,Idiopathic Cardiomyopathies, Familial,Idiopathic Cardiomyopathy, Familial,Idiopathic Dilated Cardiomyopathies,Idiopathic Dilated Cardiomyopathy
D003893 Desmin An intermediate filament protein found predominantly in smooth, skeletal, and cardiac muscle cells. Localized at the Z line. MW 50,000 to 55,000 is species dependent. Skeletin
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D016189 Dystrophin A muscle protein localized in surface membranes which is the product of the Duchenne/Becker muscular dystrophy gene. Individuals with Duchenne muscular dystrophy usually lack dystrophin completely while those with Becker muscular dystrophy have dystrophin of an altered size. It shares features with other cytoskeletal proteins such as SPECTRIN and alpha-actinin but the precise function of dystrophin is not clear. One possible role might be to preserve the integrity and alignment of the plasma membrane to the myofibrils during muscle contraction and relaxation. MW 400 kDa.

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