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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Epstein-Barr virus infection of renal proximal tubule cells: possible role in chronic interstitial nephritis.

Chronic interstitial nephritis frequently accompanies renal diseases of different etiologies. Far less common is the entity of primary interstitial nephritis wherein the glomerular and vascular structures of the kidney are not the primary focus of the disease process. Using in situ hybridization and the polymerase chain reaction, we detected DNA from the Epstein-Barr Virus (EBV) exclusively in renal tissue of patients with the idiopathic variety of chronic interstitial nephritis. The EBV genome, but not that of cytomegalovirus or adenovirus, was detected primarily in renal proximal tubule cells. Furthermore, the CD21 antigen, which serves as the receptor for EBV in B lymphocytes, was detected by immunocytochemistry primarily on proximal tubule cells and was markedly upregulated in the EBV-infected tissue. Western blot analysis of primary cultures of normal proximal tubule cells identified a 140-kDa protein, confirming the expression of the CD21 antigen. Colocalization experiments using proximal and distal tubule markers confirmed that EBV DNA and the CD21 antigen are found primarily in proximal tubule cells. EBV infection of renal proximal tubular cells may participate in evoking a cellular immune response that results in a damaged renal interstitium.[1]


  1. Epstein-Barr virus infection of renal proximal tubule cells: possible role in chronic interstitial nephritis. Becker, J.L., Miller, F., Nuovo, G.J., Josepovitz, C., Schubach, W.H., Nord, E.P. J. Clin. Invest. (1999) [Pubmed]
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