Treatment of systemic and renal-limited vasculitic disorders with pooled human intravenous immune globulin
Abstract
Idiopathic crescentic glomerulonephritis is characterized by an absence of immunohistological evidence of immune deposits, often with evidence of segmental glomerular necrosis. Such pauciimmune crescentic glomerulonephritis is the most common renal manifestation seen in patients with Wegener's granulomatosis, polyarteritis nodosa, and glomerulonephritis associated with other systemic vasculitic disorders (i.e., Churg-Strauss syndrome). Recently, the idiopathic crescentic glomerulonephritides, either in renal-limited form or in association with other systemic vasculitic disorders, were found to have in common a serologic marker, antineutrophil cytoplasmic autoantibodies. These cytoplasmic and perinuclear antineutrophil cytoplasmic autoantibodies are specific for constituents of neutrophil primary granules and monocyte lysosomes. As serologic markers for vasculitic disorders, they are also felt to be directly involved in the pathogenesis of necrotizing vascular injury. In vitro, both perinuclear and cytoplasmic antineutrophil cytoplasmic autoantibodies are capable of causing cytokine-primed neutrophils to undergo degranulation and respiratory burst, releasing toxic oxygen species and lytic enzymes. Anti-idiotype antibodies which ...Continue Reading
References
Segmental necrotising glomerulonephritis with antineutrophil antibody: possible arbovirus aetiology?
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