Abstract

In this detailed muscle biopsy study of a patient with molecularly confirmed diagnosis of limb-girdle muscular dystrophy 2I (LGMD2I) we show some new data, that is the presence of altered expression pattern of costamere components as integrin α7B and integrin β1D associated with vinculin costameric derangement and basal lamina ultrastructural abnormalities as detachments and discontinuities suggesting that different cellular compartments are involved in LGMD2I and the altered basement membrane-plasmalemma-cytoskeleton binding can underlie muscle degeneration.

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