CCL3, acting via the chemokine receptor CCR5, leads to independent activation of Janus kinase 2 (JAK2) and G(i) proteinsMueller, A. and Strange, P. G. (2004) CCL3, acting via the chemokine receptor CCR5, leads to independent activation of Janus kinase 2 (JAK2) and G(i) proteins. FEBS Letters, 570 (1-3). pp. 126-132. ISSN 0014-5793 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1016/j.feblet.2004.04.100 Abstract/SummaryThe interaction of the chemokine receptor, CCR5, expressed in recombinant cells, with different G proteins was investigated and CCR5 was found to interact with G(i), G(o) and G(q) species. Interaction with Gi leads to G protein activation, whereas G. does not seem to be activated. Additionally, CCR5 activation also leads to phosphorylation of Janus kinase 2 (JAK2). Activation of JAK2 is independent of Gi or Gq activation. Gi protein activation was not prevented by inhibition of JAK, showing that heterotrimeric G protein activation and activation of the JAK/signal transducer and activator of transcription (STAT) pathway are independent of each other. (C) 2004 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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