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Originally published In Press as doi:10.1074/jbc.R700052200 on April 1, 2008
J. Biol. Chem., Vol. 283, Issue 21, 14177-14181, May 23, 2008
Minireview
Molecular Mechanisms of Soluble Cytokine Receptor Generation*
Stewart J. Levine1
From the
Pulmonary and Vascular Medicine Branch, NHLBI, National Institutes of Health, Bethesda, Maryland 20892-1590
Soluble cytokine receptors play key roles in regulating cytokine-mediated biological events by binding and modulating the activity of target ligands in either an antagonistic or agonistic fashion. This Minireview will provide an overview of the molecular mechanisms mediating the generation of soluble cytokine receptors, which include sheddase-mediated proteolytic cleavage of cell-surface receptors, generation of soluble receptors by alternative gene splicing, transcription and translation of cytokine-binding genes, and extracellular release of membrane-bound receptors within vesicles such as exosomes.
* This minireview will be reprinted in the 2008 Minireview Compendium, which will be available in January, 2009. This work was supported, in whole or in part, by the National Institutes of Health NHLBI Intramural Research Program.
The on-line version of this article (available at http://www.jbc.org) contains supplemental Table 1 and Refs. 72–76.
1 To whom correspondence should be addressed. E-mail: levines{at}nhlbi.nih.gov.

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Copyright © 2008 by the American Society for Biochemistry and Molecular Biology.
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