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Shedding new light on vasculitis – how the LAMP-story unfolded

Journal of nephrology (Impact Factor: 2.02). 01/2012;

ABSTRACT The last couple of years have brought some major advances both in our understanding of antineutrophil cytoplasmic antibody (ANCA)-positive vasculitis pathogenesis mechanisms and in its treatment options. Recent discoveries of completely new antigens such as lysosome-associated membrane protein-2 (LAMP-2) have meant a huge step forward, and the fact that this antigen is homologous to proteins of bacterial fimbria caused a shift in the focus regarding underlying pathomechanisms of ANCA vasculitis toward bacterial infections, mainly with Klebsiella or Escherichia species, possibly playing a role in triggering the disease. So nephrology has seen real progress in understanding of glomerulonephritis disease mechanisms – not only regarding primary membranous glomerulonephritis (with the recent identification of the phospholipase A2 receptor being the underlying antigen) but also regarding secondary pauci-immune glomerulonephritis due to ANCA-positive vasculitis.

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