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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Molecular cloning of bovine chemokine receptors and expression by WC1+ gammadelta T cells.

Chemokine receptors mediate leukocyte migration into secondary lymphoid tissues and localization to peripheral inflammation sites. We describe full-length cDNA sequences of bovine chemokine receptors CCR5, CCR7, CXCR3 and CXCR5 and transcript expression by WC1(+)gammadelta T cells, a unique cell population with proinflammatory characteristics that comprises a large proportion of mononuclear cells in young ruminants. Bovine chemokine sequences were more similar to those of humans than were murine sequences to humans', ranging from 84% to 91%. Transcript analysis showed that antigen stimulation of WC1(+)gammadelta T cells induced IFN-gamma production and substantially increased CCR5 and CXCR3 expression when compared with freshly isolated (ex vivo) cells. CCR7 transcripts were minimally expressed in ex vivo and proliferating WC1(+)gammadelta T cells and CXCR5 expression was negligible. These results confirm the proinflammatory nature of WC1(+)gammadelta T cells is reflected by its chemokine receptor expression and suggest WC1(+)gammadelta T cells are unlikely to transit through secondary lymphoid tissues.[1]


  1. Molecular cloning of bovine chemokine receptors and expression by WC1+ gammadelta T cells. Blumerman, S.L., Wang, F., Herzig, C.T., Baldwin, C.L. Dev. Comp. Immunol. (2007) [Pubmed]
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