Low incidence of transplant-related complications in patients with chronic release of tumor necrosis factor-alpha before admission to bone marrow transplantation: A clinical correlate of cytokine desensitization?

E. Holler, R. Hintermeier-Knabe, H. J. Kolb, J. Kempeni, A. Möller, S. Liesenfeld, L. Daum, W. Wilmanns

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

To investigate the role of tumor necrosis factor-α (TNF-α) released by activated macrophages, sequential serum samples of 120 patients undergoing bone marrow transplantation (BMT) were analyzed by enzyme-linked immunosorbent assay. De novo increases in serum TNF-α levels were correlated with the development of acute endothelial complications as well as acute graft-versus-host disease. In addition, the analysis of time courses revealed a different capacity of TNF-α regulation at various phases of BMT. While patients with acute TNF-α release in the first 2 weeks of BMT had a significantly enhanced incidence of complications, a subgroup of 9 patients with chronic asymptomatic release of TNF-α before admission to BMT was observed. These patients were protected from complications in the course of the first 6 months of BMT. Our observations indicate the occurrence of desensitization for TNF-α, as it is also reported after repeated injections of TNF-α or endotoxin in experimental models.

Original languageEnglish
Pages (from-to)171-175
Number of pages5
JournalPathobiology
Volume59
Issue number3
DOIs
StatePublished - 1991
Externally publishedYes

Keywords

  • Bone marrow transplantation
  • Endothelial complications
  • Graft-versus-host disease
  • Macrophages
  • Tumor necrosis factor-α

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