HLA associations with inclusion body myositis

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Associations with autoimmune disorders and HLA class I and II antigens in inclusion body myositis.

Whether autoimmune mechanisms play a role in the pathogenesis of inclusion body myositis (IBM) is unknown. Human leukocyte antigen (HLA) analysis in 52 patients, including 17 with autoimmune disorders (AIDs), showed that patients were more likely to have antigens from the autoimmune-prone HLA-B8-DR3 ancestral haplotype than healthy control subjects, irrespective of the presence of AIDs. Patient...

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Inclusion-body myositis

Inclusion-body myositis is the most frequent and disabling myopathy seen in patients over 50 years of age. The distinct clinical features that lead to correct diagnosis and inclusion-body myositis mimics are highlighted. Inclusionbody myositis has a complex pathogenesis in which autoimmune and inflammatory features coexist with elements of degeneration and abundant accumulations of various stre...

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Inclusion Body Myositis

Inclusion body myositis is an insidious, slowly progressive myopathy of middle-aged and older individuals. Because of these characteristics, diagnosis is often delayed. Affected muscle is marked by the presence of rimmed vacuoles, inclusions, and an inflammatory infiltrate largely made up of CD8 T lymphocytes and macrophages. The inclusions contain beta-amyloid and phosphorylated tau protein, a...

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Inclusion body myositis.

The histochemical and ultrastructural study of muscle biopsies of two patients with a chronic muscle weakness and wasting showed particular changes in muscle fibers: (1) peripheral lined vacuoles, containing whorls of membranes and cytoplasmic debris; (2) collections of intranuclear and intrasarcoplasmic tubular filaments (16-18 nm in external diameter and 6.5 nm in inner diameter). These chang...

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Inclusion body myositis: update.

PURPOSE OF REVIEW To examine new developments in sporadic inclusion body myositis (IBM), including updated clinical and prognostic factors, novel autoantibody associations, unique histopathologic findings, proposed new clinical diagnostic criteria, and novel therapeutic agents. RECENT FINDINGS IBM is a slowly progressive disease, leading to wheelchair use, on average, 12-20 years after onset ...

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ژورنال

عنوان ژورنال: Clinical & Experimental Immunology

سال: 2008

ISSN: 0009-9104

DOI: 10.1111/j.1365-2249.1994.tb06604.x