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The Role of Chemokine and Glycosaminoglycan Interaction in Chemokine-Mediated Migration In Vitro and In Vivo

Lookup NU author(s): Emeritus Professor John Kirby, Professor Simi Ali


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Chemokines have a range of functions, including the activation and promotion of the vectorial migration of leukocytes. They mediate their biological effects by binding to their cognate G-protein-coupled receptors. Upon activation of the heterotrimeric G proteins, the G alpha subunit exchanges GDP for GTP and dissociates from the receptor and from the G beta. subunits, and both G-protein complexes go on to activate other downstream signaling events. In addition, chemokines interact with cell-surface glycosaminoglycans (GAGs). This potential for binding GAG components of proteoglycans on the cell surface or within the extracellular matrix allows the formation of the stable chemokine gradients necessary for leukocyte chemotaxis. In this chapter, we describe techniques for studying chemotaxis both in vivo and in vitro, as well as the creation of chemokine receptor-expressing cell lines, in order to examine this process in isolation.

Publication metadata

Author(s): del Barrio ID, Kirby J, Ali S

Publication type: Review

Publication status: Published

Journal: Methods in Enzymolgy

Year: 2016

Volume: 570

Pages: 309-333

Online publication date: 14/11/2015

Acceptance date: 01/01/1900

ISSN (print): 0076-6879



DOI: 10.1016/bs.mie.2015.09.002