Article
Goodpasture Autoantibodies Unmask Cryptic Epitopes by Selectively Dissociating Autoantigen Complexes Lacking Structural Reinforcement
25 May 2005
Abstract excerpt
Rapidly progressive glomerulonephritis in Goodpasture disease is mediated by autoantibodies binding to the non-collagenous NC1 domain of alpha3(IV) collagen in the glomerular basement membrane. Goodpasture epitopes in the native autoantigen are cryptic (sequestered) within the NC1 hexamers of the alpha3alpha4alpha5(IV) collagen network. The biochemical mechanism for crypticity and exposure for autoantibody...
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