Cytokine gene expression in human lung transplant recipients

B. F. Whitehead*, C. Stoehr, C. J. Wu, G. Patterson, E. G. Burchard, J. Theodore, C. Clayberger, V. A. Starnes

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

45 Scopus citations


The polymerase chain reaction was used to evaluate cytokine gene expression in bronchoalveolar lavage (BAL) cells and peripheral blood leukocytes in 31 human lung transplant recipients. All patients were maintained on a triple immunosuppression regimen consisting of CsA, AZA, and prednisone. Posttransplant survival ranged from 0.5 to 100.5 months (mean = 16.3 months). Cytokines IL-1α, IL-2, IL-4, IL-5, IL-6, IL-7, IL-8, TNF-β, and IFN-γ were studied. In BAL, transcripts for IL-1α, IL-7, IL-8, and TNF- β were found in over 60% of samples and those for IL-5, IL-6, and IFN-γ in 40-50%, while IL-2 and IL-4 mRNA were rarely found (<20%). Considerable variation in the frequency of cytokine gene expression between BAL and peripheral blood was observed. When analyzed for the presence of acute pulmonary allograft rejection (without infection), transcripts for IL-4 and IL-6 in BAL demonstrated the greatest increase in frequency compared with nil rejection (P=0.07 and P=0.17, respectively). Pulmonary infection (without rejection) was associated with a modest increase in the expression of genes for IL-1α and IFN-γ (>10%). Transcripts for IL-4 were not found in association with pulmonary infection, suggesting that this cytokine may be useful as a discriminatory rejection marker.

Original languageEnglish (US)
Pages (from-to)956-961
Number of pages6
Issue number4
StatePublished - Jan 1 1993

ASJC Scopus subject areas

  • Transplantation

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