The TNF-family receptor DR3 is essential for diverse T cell-mediated inflammatory diseases.
DR3 (TRAMP, LARD, WSL-1, TNFRSF25) is a death-domain-containing tumor necrosis factor (TNF)-family receptor primarily expressed on T cells. TL1A, the TNF-family ligand for DR3, can costimulate T cells, but the physiological function of TL1A-DR3 interactions in immune responses is not known. Using DR3-deficient mice, we identified DR3 as the receptor responsible for TL1A-induced T cell costimulation and dendritic cells as the likely source for TL1A during T cell activation. Despite its role in costimulation, DR3 was not required for in vivo T cell priming, for polarization into T helper 1 (Th1), Th2, or Th17 effector cell subtypes, or for effective control of infection with Toxoplasma gondii. Instead, DR3 expression was required on T cells for immunopathology, local T cell accumulation, and cytokine production in Experimental Autoimmune Encephalomyelitis (EAE) and allergic lung inflammation, disease models that depend on distinct effector T cell subsets. DR3 could be an attractive therapeutic target for T cell-mediated autoimmune and allergic diseases.
Immunoregulation Unit, Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD 20892.
Françoise
F
Meylan
Todd S
TS
Davidson
Erin
E
Kahle
Michelle
M
Kinder
Krishika
K
Acharya
Dragana
D
Jankovic
Virgilio
V
Bundoc
Marcus
M
Hodges
Ethan M
EM
Shevach
Andrea
A
Keane-Myers
Eddie C Y
EC
Wang
Richard M
RM
Siegel
D000818:Animals; D015496:CD4-Positive T-Lymphocytes / Q000166:cytology / Q000276:immunology* / Q000378:metabolism; D002454:Cell Differentiation / Q000276:immunology*; D049109:Cell Proliferation; D004681:Encephalomyelitis, Autoimmune, Experimental / Q000276:immunology; D007249:Inflammation / Q000276:immunology* / Q000378:metabolism; D008213:Lymphocyte Activation / Q000276:immunology*; D051379:Mice; D008810:Mice, Inbred C57BL; D008822:Mice, Transgenic; D053219:Receptors, Tumor Necrosis Factor, Member 25 / Q000276:immunology* / Q000378:metabolism; D012130:Respiratory Hypersensitivity / Q000276:immunology; D020133:Reverse Transcriptase Polymerase Chain Reaction; D016176:T-Lymphocyte Subsets / Q000166:cytology / Q000276:immunology* / Q000378:metabolism; D014123:Toxoplasmosis / Q000276:immunology; D053380:Tumor Necrosis Factor Ligand Superfamily Member 15 / Q000276:immunology / Q000378:metabolism
D053219:Receptors, Tumor Necrosis Factor, Member 25; C506034:Tnfrsf25 protein, mouse; C505947:Tnfsf15 protein, mouse; D053380:Tumor Necrosis Factor Ligand Superfamily Member 15