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

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Regulation of effector T cells by antigen-presenting cells via interaction of the C-type lectin MGL with CD45.

Homeostatic control of T cells involves tight regulation of effector T cells to prevent excessive activation that can cause tissue damage and autoimmunity. Little is known, however, about whether antigen-presenting cells (APCs) are also involved in maintaining immune system homeostasis once effector T cells are stimulated. Here we found that immature APCs downregulated effector T cell function by a mechanism involving the C-type lectin MGL expressed by APCs. Glycosylation-dependent interactions of MGL with CD45 on effector T cells negatively regulated T cell receptor-mediated signaling and T cell-dependent cytokine responses, which in turn decreased T cell proliferation and increased T cell death. Thus, regulation of effector T cells by MGL expressed on APCs may provide a target for regulating chronic inflammatory and autoimmune diseases.[1]

References

  1. Regulation of effector T cells by antigen-presenting cells via interaction of the C-type lectin MGL with CD45. van Vliet, S.J., Gringhuis, S.I., Geijtenbeek, T.B., van Kooyk, Y. Nat. Immunol. (2006) [Pubmed]
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