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Science 2 July 1993:
Vol. 261. no. 5117, pp. 101 - 103
DOI: 10.1126/science.8316840

Articles

Science, Vol 261, Issue 5117, 101-103
Copyright © 1993 by American Association for the Advancement of Science


articles

G protein-coupled signal transduction pathways for interleukin-8

D Wu, GJ LaRosa, and MI Simon

Division of Biology, California Institute of Technology, Pasadena 91125.

Interleukin-8 (IL-8) is one of the major mediators of the inflammatory response. The pathways by which IL-8 activates inositide-specific phospholipase C (PLC) were investigated by co-expression of different components of the guanosine triphosphate binding protein (G protein) pathway in COS-7 cells. Two distinct IL-8 receptors reconstituted ligand-dependent activation of endogenous PLC when transfected together with the G protein alpha subunits G alpha 14, G alpha 15, or G alpha 16. However, reconstitution was not observed with cells that overexpressed G alpha q or G alpha 11. Furthermore, IL-8 receptors interacted with endogenous pertussis toxin-sensitive G proteins or with the recombinant G protein Gi to release free beta gamma subunits that could then specifically activate the beta 2 isoform of PLC. These findings suggest that IL-8 acts through signal-transducing pathways that are limited to specific heterotrimeric G proteins and effectors. These may provide suitable targets for the development of anti-inflammatory agents.


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J. Biol. Chem. 271, 31202-31209
   Abstract »    Full Text »    PDF »
Cross-desensitization Among Receptors for Platelet Activating Factor and Peptide Chemoattractants. EVIDENCE FOR INDEPENDENT REGULATORY PATHWAYS.
R. M. Richardson, B. Haribabu, H. Ali, and R. Snyderman (1996)
J. Biol. Chem. 271, 28717-28724
   Abstract »    Full Text »    PDF »
Carboxyl-terminal Fragments of Phospholipase C-beta 1 with Intrinsic Gq GTPase-activating Protein (GAP) Activity.
R. H. Paulssen, J. Woodson, Z. Liu, and E. M. Ross (1996)
J. Biol. Chem. 271, 26622-26629
   Abstract »    Full Text »    PDF »
Diverging Signal Transduction Pathways Activated by Interleukin 8(IL-8) and Related Chemokines in Human Neutrophils. IL-8 AND Gro-alpha DIFFERENTIALLY STIMULATE CALCIUM INFLUX THROUGH IL-8 RECEPTORS A AND B.
B. B. Damaj, S. R. McColl, K. Neote, C. A. Hebert, and P. H. Naccache (1996)
J. Biol. Chem. 271, 20540-20544
   Abstract »    Full Text »    PDF »
Gbeta gamma Transduces [Ca2+]i Oscillations and Galpha q a Sustained Response during Stimulation of Pancreatic Acinar Cells with [Ca2+]i-mobilizing Agonists.
W. Zeng, X. Xu, and S. Muallem (1996)
J. Biol. Chem. 271, 18520-18526
   Abstract »    Full Text »    PDF »
Molecular Cloning and Functional Characterization of a Novel Human CC Chemokine Receptor (CCR5) for RANTES, MIP-1beta , and MIP-1alpha.
C. J. Raport, J. Gosling, V. L. Schweickart, P. W. Gray, and I. F. Charo (1996)
J. Biol. Chem. 271, 17161-17166
   Abstract »    Full Text »    PDF »
P2U Agonists Induce Chemotaxis and Actin Polymerization in Human Neutrophils and Differentiated HL60 Cells.
M. W. Verghese, T. B. Kneisler, and J. A. Boucheron (1996)
J. Biol. Chem. 271, 15597-15601
   Abstract »    Full Text »    PDF »
Pertussis Toxin-sensitive Activation of Phospholipase C by the C5a and fMet-Leu-Phe Receptors.
H. Jiang, Y. Kuang, Y. Wu, A. Smrcka, M. I. Simon, and D. Wu (1996)
J. Biol. Chem. 271, 13430-13434
   Abstract »    Full Text »    PDF »
Physical Association of Gi2alpha with Interleukin-8 Receptors.
B. B. Damaj, S. R. McColl, W. Mahana, M. F. Crouch, and P. H. Naccache (1996)
J. Biol. Chem. 271, 12783-12789
   Abstract »    Full Text »    PDF »
Identification of the Peptides That Stimulate the Phosphoinositide Hydrolysis in Lymphocyte Cell Lines from Peptide Libraries.
S. H. Baek, J. K. Seo, C.-B. Chae, P.-G. Suh, and S. H. Ryu (1996)
J. Biol. Chem. 271, 8170-8175
   Abstract »    Full Text »    PDF »
Receptor Recognition and Specificity of Interleukin-8 Is Determined by Residues That Cluster Near a Surface-accessible Hydrophobic Pocket.
M. E. W. Hammond, V. Shyamala, M. A. Siani, C. A. Gallegos, P. H. Feucht, J. Abbott, G. R. Lapointe, M. Moghadam, H. Khoja, J. Zakel, et al. (1996)
J. Biol. Chem. 271, 8228-8235
   Abstract »    Full Text »    PDF »
Selective G Protein Coupling by C-C Chemokine Receptors.
Y. Kuang, Y. Wu, H. Jiang, and D. Wu (1996)
J. Biol. Chem. 271, 3975-3978
   Abstract »    Full Text »    PDF »
Thrombin Primes Responsiveness of Selective Chemoattractant Receptors at a Site Distal to G Protein Activation.
H. Ali, E. D. Tomhave, R. M. Richardson, B. Haribabu, and R. Snyderman (1996)
J. Biol. Chem. 271, 3200-3206
   Abstract »    Full Text »    PDF »
Interleukin-8 Regulation of the Ras/Raf/Mitogen-activated Protein Kinase Pathway in Human Neutrophils.
C. Knall, S. Young, J. A. Nick, A. M. Buhl, G. S. Worthen, and G. L. Johnson (1996)
J. Biol. Chem. 271, 2832-2838
   Abstract »    Full Text »    PDF »
Cross-desensitization of Chemoattractant Receptors Occurs at Multiple Levels.
R. M. Richardson, H. Ali, E. D. Tomhave, B. Haribabu, and R. Snyderman (1995)
J. Biol. Chem. 270, 27829-27833
   Abstract »    Full Text »    PDF »
Selective Coupling of [IMAGE][IMAGE]-Adrenergic Receptor to Hematopoietic-specific G Proteins.
D. Wu, Y. Kuang, Y. Wu, and H. Jiang (1995)
J. Biol. Chem. 270, 16008-16010
   Abstract »    Full Text »    PDF »
G[IMAGE][IMAGE] and G[IMAGE][IMAGE] Couple a Wide Variety of Receptors to Phospholipase C.
S. Offermanns and M. I. Simon (1995)
J. Biol. Chem. 270, 15175-15180
   Abstract »    Full Text »    PDF »



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