Chemokines and chemokine receptors during activation and deactivation of monocytes and dendritic cells and in amplification of Th1 versus Th2 responses |
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Authors: | A. Mantovani P. Allavena A. Vecchi S. Sozzani A. Mantovani |
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Affiliation: | (1) Istituto di Ricerche Farmacologiche “Mario Negri”, Via Eritrea 62, I-20157 Milan, Italy;(2) Department of Biotechnology, Section of General Pathology, University of Brescia, Italy |
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Abstract: | Chemokines are a superfamily of small cytokines which are generally chemotactic for leukocytes. The general features of chemokines and their receptors are reviewed. Recent evidence indicates that receptor expression dictates the spectrum of action of chemokines, as shown recently for Th1 and Th2 cells. Chemokines represent amplification loops of polarized Th1 and Th2 responses. Receptor expression is tightly regulated during differentiation, activation, and deactivation of mononuclear phagocytes and dendritic cells. Thus, regulation of receptor expression is crucial as a set point of the chemokine system. |
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Keywords: | Chemokines Chemokine receptors Th1 and Th2 responses Monocytes Dendritic cells |
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