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. 2010 Jun 7;207(6):1273–1281. doi: 10.1084/jem.20100348

Figure 6.

Figure 6.

Involvement of the XCL1–XCR1 communication axis in the innate and adaptive cytotoxic responses to cross-presented microbial and tumor antigens. Secretion of the chemokine XCL1 by activated NK cells specifically attracts XCR1-expressing DCs capable of antigen cross-presentation. This ensures an effective communication between these cells in the innate phase of the immune response. In the adaptive phase, secretion of XCL1 by activated CD8+ T cells optimizes the communication with antigen cross-presenting DCs and facilitates the differentiation of CD8+ T cells to cytotoxic cells.