B cell deficiency confers protection from renal ischemia reperfusion injury

Melissa J. Burne-Taney, Dolores B. Ascon, Frank Daniels, Lorraine Racusen, William Baldwin, Hamid Rabb

Research output: Contribution to journalArticlepeer-review

147 Scopus citations


Recent data have demonstrated a role for CD4+ cells in the pathogenesis of renal ischemia reperfusion injury (IRI). Identifying engagement of adaptive immune cells in IRI suggests that the other major cell of the adaptive immune response, B cells, may also mediate renal IRI. An established model of renal IRI was used: 30 min of renal pedicle clamping was followed by reperfusion in B cell-deficient (μMT) and wild-type mice. Renal function was significantly improved in μMT mice compared with wild-type mice at 24, 48, and 72 h postischemia. μMT mice also had significantly reduced tubular injury. Both groups of mice had similar renal phagocyte infiltration postischemia assessed by myeloperoxidase levels and similar levels of CD4 + T cell infiltration postischemia. Peritubular complement C3d staining was also similar in both groups. To identify the contribution of cellular vs soluble mechanism of action, serum transfer into μMT mice partially restored ischemic phenotype, but B cell transfers did not. These data are the first demonstration of a pathogenic role for B cells in ischemic acute renal failure, with a serum factor as a potential underlying mechanism of action.

Original languageEnglish (US)
Pages (from-to)3210-3215
Number of pages6
JournalJournal of Immunology
Issue number6
StatePublished - Sep 15 2003

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology


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