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Blood, 1 May 2005, Vol. 105, No. 9, pp. 3405-3412. Prepublished online as a Blood First Edition Paper on November 16, 2004; DOI 10.1182/blood-2004-04-1648. This Article Full Text Full Text (PDF) All Versions of this Article: 2004-04-1648v1 105/9/3405    most recent Alert me when this article is cited Alert me if a correction is posted Citation Map Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Rights and Permissions Citing Articles Citing Articles via HighWire Citing Articles via CrossRef Citing Articles via Google Scholar Google Scholar Articles by Paoletti, S. Articles by Gerber, B. O. Search for Related Content PubMed PubMed Citation Articles by Paoletti, S. Articles by Gerber, B. O. Related Collections Cell Adhesion and Motility Signal Transduction Chemokines, Cytokines, and Interleukins Immunobiology Phagocytes Related Article in Blood Online Social Bookmarking                   What's this?  Previous Article  |  Table of Contents  |  Next Article  CHEMOKINES A rich chemokine environment strongly enhances leukocyte migration and activities Samantha Paoletti, Vibor Petkovic, Silvia Sebastiani, M. Gabriela Danelon, Mariagrazia Uguccioni, and Basil O. Gerber From the Institute for Research in Biomedicine, Bellinzona, Switzerland. The migration of leukocytes in immune surveillance and inflammation is largely determined by their response to chemokines. While the chemokine specificities and expression patterns of chemokine receptors are well defined, it is still a matter of debate how leukocytes integrate the messages provided by different chemokines that are concomitantly produced in physiologic or pathologic situations in vivo. We present evidence for a novel regulatory mechanism of leukocyte trafficking. Our data are consistent with a mode of action where CC-chemokine receptor 7 (CCR7) agonists and unrelated, nonagonist chemokines first form a heteromeric complex, in the presence of which the triggering of CCR7 can occur at a much lower agonist concentration. The increase is synergistic and can be evoked by many but not all chemokines. Chemokine-induced synergism might provide an amplification system in "chemokine-rich" tissues, rendering leukocytes more competent to respond to migratory cues. CiteULike    Connotea    Del.icio.us    Digg    Reddit    Technorati    What's this? Related Article in Blood Online: Chemokines and chemokine receptors: here, there, and everywhere Helene F. Rosenberg Blood 2005 105: 3388. [Full Text] [PDF] This article has been cited by other articles: G. Bernardini, G. Sciume, D. Bosisio, S. Morrone, S. Sozzani, and A. Santoni CCL3 and CXCL12 regulate trafficking of mouse bone marrow NK cell subsets Blood, April 1, 2008; 111(7): 3626 - 3634. [Abstract] [Full Text] [PDF] S. E. Crown, Y. Yu, M. D. Sweeney, J. A. Leary, and T. M. Handel Heterodimerization of CCR2 Chemokines and Regulation by Glycosaminoglycan Binding J. Biol. Chem., September 1, 2006; 281(35): 25438 - 25446. [Abstract] [Full Text] [PDF] C. A. Lunn, J. S. Fine, A. Rojas-Triana, J. V. Jackson, X. Fan, T. T. Kung, W. Gonsiorek, M. A. Schwarz, B. Lavey, J. A. Kozlowski, et al. A Novel Cannabinoid Peripheral Cannabinoid Receptor-Selective Inverse Agonist Blocks Leukocyte Recruitment in Vivo J. Pharmacol. Exp. Ther., February 1, 2006; 316(2): 780 - 788. [Abstract] [Full Text] [PDF]

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