2009
DOI: 10.1097/cji.0b013e3181acea46
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CD167 Acts as a Novel Costimulatory Receptor in T-Cell Activation

Abstract: Optimal T-cell activation requires both an antigen-specific and a costimulatory signal. CD167 is a tyrosine kinase receptor for native type I collagen, its physiologic functions include matrix homeostasis and cell growth, adhesion, branching, and migration, but the specific role of CD167 in T cells has not yet been characterized. In this study, we found that CD167 expression on T cells was up-regulated after activation. Cooperation of CD167 engagement with suboptimal TCR/CD3 signals induced T-cell proliferatio… Show more

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Cited by 9 publications
(7 citation statements)
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“…Activated human T cells are known to express two collagen-binding integrin namely a1b1 and a2b1, which promote T cell adhesion to collagens [Pribila et al, 2004]. In addition to collagen-binding integrins, we and others have reported that activated T cells can also express DDR1 [Kamohara et al, 2001;Dang et al, 2009;Hachehouche et al, 2010], a nonintegrin collagen receptor [Vogel et al, 2006;Heino et al, 2009]. In this study, we show that activated T cells bind collagen I in a DDR1-dependent manner but that DDR1 did not enhance their adhesion to collagen I, which is dependent on b1 integrins [Boisvert et al, 2007] and (data not shown).…”
Section: Discussionmentioning
confidence: 95%
See 1 more Smart Citation
“…Activated human T cells are known to express two collagen-binding integrin namely a1b1 and a2b1, which promote T cell adhesion to collagens [Pribila et al, 2004]. In addition to collagen-binding integrins, we and others have reported that activated T cells can also express DDR1 [Kamohara et al, 2001;Dang et al, 2009;Hachehouche et al, 2010], a nonintegrin collagen receptor [Vogel et al, 2006;Heino et al, 2009]. In this study, we show that activated T cells bind collagen I in a DDR1-dependent manner but that DDR1 did not enhance their adhesion to collagen I, which is dependent on b1 integrins [Boisvert et al, 2007] and (data not shown).…”
Section: Discussionmentioning
confidence: 95%
“…Despite these findings, it remains unknown how DDR1 promotes T cell interactions with collagen. In addition, although TCR-engagement [Hachehouche et al, 2010] or phytohemagglutinin A [Kamohara et al, 2001;Dang et al, 2009] enhance DDR1 expression in human primary T cells, the signaling pathways that regulate DDR1 expression in T cells have not yet been identified.…”
mentioning
confidence: 96%
“…DDR1 also stimulates the collective migration of cancer cells via the Giα13 pathway [15, 16]. In addition to epithelial and carcinoma cells, short-term activated human T cells also express DDR1 [17-19] and the blocking recombinant receptor DDR1:Fc reduces their migration across collagen gel-coated transwells [18]. Moreover, DDR1 overexpression enhances THP-1 monocytic cell line migration in 3D collagen [19].…”
Section: Introductionmentioning
confidence: 99%
“…10 However, DDR1 is not expressed in circulating neutrophils and lymphocytes and is only expressed hours after cell activation. 10,30 We speculate that, when neutrophils migrate in vivo toward an inflammation site, DDR1 is not present at the cell surface. By contrast, in physiologic conditions, DDR2 is readily expressed in naive neutrophils.…”
mentioning
confidence: 99%