Allogeneic bronchoalveolar lavage cells induce the histology of acute lung allograft rejection, and deposition of IgG2a in recipient murine lungs

D. S. Wilkes, K. M. Heidler, L. K. Bowen, W. M. Quinlan, N. A. Doyle, Oscar Cummings, C. M. Doerschuk

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Abstract

The immunologic and histologic changes associated with lung allograft rejection are believed to result from the presentation of donor lung alloantigens to recipient lymphocytes resulting in up-regulated Th1 lymphocyte activity. The ability of allogeneic lung immune cells to induce the pathologic and immunologic changes associated with acute lung allograft rejection are unknown. The current study determined whether allogeneic (C57BL/6, I-ab bronchoalveolar lavage (BAL) cells (≥97% macrophages), when instilled into the lungs of recipient BALB/c mice (I-a(d)), induced the histology and immunology associated with acute lung allograft rejection. BALB/c mice received BAL cells from either C57BL/6 mice (allogeneic instillate) or BALB/c mice (autologous instillate) or PBS (control) by nasal insufflation weekly for 4 wk. Allogeneic BAL cells resulted in a lymphocytic bronchitis and vasculitis analogous to grade 1 to 2 lung allograft rejection. The mice given allogeneic instillates had a greater percentage of lymphocytes in the BAL fluid than those given autologous instillates. After instillation of allogeneic BAL cells, the Th1 cytokines, IL-2 and IFN-γ (IFN-γ), were produced locally in greater quantities and more frequently than the Th2 cytokine IL-10. IL-4, another Th2 cytokine, was not detected. The local production of IgG1 and IgG2a, which are dependent on IL-4 and IFN-γ, respectively, were increased. However, only IgG2a was deposited in the perivascular and peribronchiolar tissues. These data show that instillation of allogeneic BAL cells into the airways of recipient mice induced up- regulated Th1 lymphocyte activity and caused the histologic changes associated with lung allograft rejection.

Original languageEnglish
Pages (from-to)2775-2783
Number of pages9
JournalJournal of Immunology
Volume155
Issue number5
StatePublished - 1995

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Bronchoalveolar Lavage
Allografts
Histology
Lung
Lymphocytes
Cytokines
Interleukin-4
Insufflation
Th1 Cells
Isoantigens
Bronchitis
Bronchoalveolar Lavage Fluid
Vasculitis
Allergy and Immunology
Inbred C57BL Mouse
Nose
Interleukin-10
Interleukin-2
Immunoglobulin G
Macrophages

ASJC Scopus subject areas

  • Immunology

Cite this

Wilkes, D. S., Heidler, K. M., Bowen, L. K., Quinlan, W. M., Doyle, N. A., Cummings, O., & Doerschuk, C. M. (1995). Allogeneic bronchoalveolar lavage cells induce the histology of acute lung allograft rejection, and deposition of IgG2a in recipient murine lungs. Journal of Immunology, 155(5), 2775-2783.

Allogeneic bronchoalveolar lavage cells induce the histology of acute lung allograft rejection, and deposition of IgG2a in recipient murine lungs. / Wilkes, D. S.; Heidler, K. M.; Bowen, L. K.; Quinlan, W. M.; Doyle, N. A.; Cummings, Oscar; Doerschuk, C. M.

In: Journal of Immunology, Vol. 155, No. 5, 1995, p. 2775-2783.

Research output: Contribution to journalArticle

Wilkes, D. S. ; Heidler, K. M. ; Bowen, L. K. ; Quinlan, W. M. ; Doyle, N. A. ; Cummings, Oscar ; Doerschuk, C. M. / Allogeneic bronchoalveolar lavage cells induce the histology of acute lung allograft rejection, and deposition of IgG2a in recipient murine lungs. In: Journal of Immunology. 1995 ; Vol. 155, No. 5. pp. 2775-2783.
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