Tubular basement membrane antibody-induced interstitial nephritis in systemic lupus erythematosus.
Interstitial nephritis characterized by linear staining for human immunoglobulin G (IgG) along the tubular basement membrane of proximal renal tubules is described in a child with systemic lupus erythematosus ( SLE). Autoantibodies reacting with the tubular basement membrane of the proximal renal tubules and Bowman capsule of glomeruli were present in serum. The autoantibodies were specific and could be absorbed with a normal human renal cortical fraction. The findings suggest that in addition to the well-known, immune complex-mediated injury, autoantibody-induced interstitial nephritis can also rarely occur in SLE.[1]References
- Tubular basement membrane antibody-induced interstitial nephritis in systemic lupus erythematosus. Makker, S.P. Am. J. Med. (1980) [Pubmed]
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