Tumor necrosis factor inhibitor ameliorates murine intestinal graft- versus-host disease

Geri Brown, G. Lindberg, J. Meddings, M. Silva, Bruce A Beutler, Dwain L Thiele

Research output: Contribution to journalArticle

69 Citations (Scopus)

Abstract

Background and Aims: Transfer of T helper cells from DBA/2 mice to irradiated allogeneic B6D2F1 mice leads to development of colonic graft- versus-host disease with pathological features of inflammatory bowel disease. To examine the role of tumor necrosis factor (TNF) in graft-versus-host disease enteropathy, an adenoviral vector encoding a TNF inhibitor protein was administered. Methods: Irradiated B6D2F1 mice were infused with DBA/2 bone marrow and spleen cells. Mice then received either a control β- galactosidase-encoding adenovirus or an adenovirus encoding a TNF inhibitor, composed of the extracellular domain of the human 55-kilodalton TNF receptor linked to the murine immunoglobulin G1 heavy chain. Mucosal permeability to sucralose and colonic histology were assessed 14 and 25 days after transplantation. Results: Less diarrhea was observed in DBA/2 → B6D2F1 mice expressing the TNF inhibitor, and colonic sections from these mice had significantly less inflammation and epithelial cell abnormalities. In TNF inhibitor recipients, mucosal permeability to sucralose was similar to that in nonirradiated control mice and significantly less than in recipients of the control adenovirus. Conclusions: TNF inhibition decreases the severity of enteropathy in the DBA/2 → B6D2F1 murine model of colonic graft-versus-host disease.

Original languageEnglish (US)
Pages (from-to)593-601
Number of pages9
JournalGastroenterology
Volume116
Issue number3
StatePublished - 1999

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Graft vs Host Disease
trichlorosucrose
Tumor Necrosis Factor-alpha
Adenoviridae
Permeability
Galactosidases
Immunoglobulin Heavy Chains
Th2 Cells
Inbred DBA Mouse
Inflammatory Bowel Diseases
Bone Marrow Cells
Diarrhea
Histology
Spleen
Transplantation
Epithelial Cells
Inflammation
Proteins

ASJC Scopus subject areas

  • Gastroenterology

Cite this

Tumor necrosis factor inhibitor ameliorates murine intestinal graft- versus-host disease. / Brown, Geri; Lindberg, G.; Meddings, J.; Silva, M.; Beutler, Bruce A; Thiele, Dwain L.

In: Gastroenterology, Vol. 116, No. 3, 1999, p. 593-601.

Research output: Contribution to journalArticle

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AU - Thiele, Dwain L

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