A crucial role for HVEM and BTLA in preventing intestinal inflammation

Marcos W. Steinberg, Olga Turovskaya, Raziya B. Shaikh, Gisen Kim, Declan F. McCole, Klaus Pfeffer, Kenneth M. Murphy, Carl F. Ware, Mitchell Kronenberg

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91 Scopus citations

Abstract

The interaction between the tumor necrosis factor (TNF) family member LIGHT and the TNF family receptor herpes virus entry mediator (HVEM) co-stimulates T cells and promotes inflammation. However, HVEM also triggers inhibitory signals by acting as a ligand that binds to B and T lymphocyte attenuator (BTLA), an immunoglobulin super family member. The contribution of HVEM interacting with these two binding partners in inflammatory processes remains unknown. In this study, we investigated the role of HVEM in the development of colitis induced by the transfer of CD4+CD45RBhigh T cells into recombination activating gene (Rag)-/- mice. Although the absence of HVEM on the donor T cells led to a slight decrease in pathogenesis, surprisingly, the absence of HVEM in the Rag-/- recipients led to the opposite effect, a dramatic acceleration of intestinal inflammation. Furthermore, the critical role of HVEM in preventing colitis acceleration mainly involved HVEM expression by radioresistant cells in the Rag-/- recipients interacting with BTLA. Our experiments emphasize the antiinflammatory role of HVEM and the importance of HVEM expression by innate immune cells in preventing runaway inflammation in the intestine.

Original languageEnglish
Pages (from-to)1463-1476
Number of pages14
JournalJournal of Experimental Medicine
Volume205
Issue number6
DOIs
StatePublished - Jun 9 2008

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    Steinberg, M. W., Turovskaya, O., Shaikh, R. B., Kim, G., McCole, D. F., Pfeffer, K., Murphy, K. M., Ware, C. F., & Kronenberg, M. (2008). A crucial role for HVEM and BTLA in preventing intestinal inflammation. Journal of Experimental Medicine, 205(6), 1463-1476. https://doi.org/10.1084/jem.20071160