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Science 12 November 1993:
Vol. 262. no. 5136, pp. 1069 - 1072
DOI: 10.1126/science.7694367

Articles

Science, Vol 262, Issue 5136, 1069-1072
Copyright © 1993 by American Association for the Advancement of Science


articles

Inhibition by cAMP of Ras-dependent activation of Raf

SJ Cook and F McCormick

Onyx Pharmaceuticals, Richmond, CA 94806.

Activation of the Raf and extracellular signal-regulated kinases (ERKs) (or mitogen-activated protein kinases) are key events in mitogenic signalling, but little is known about interactions with other signaling pathways. Agents that raise levels of intracellular cyclic adenosine 3',5'-monophosphate (cAMP) blocked DNA synthesis and signal transduction in Rat1 cells exposed to epidermal growth factor (EGF) or lysophosphatidic acid. In the case of EGF, receptor tyrosine kinase activity and association with the signaling molecules Grb2 and Shc were unaffected by cAMP. Likewise, EGF-dependent accumulation of the guanosine 5'-triphosphate-bound form of Ras was unaffected. In contrast, activation of Raf-1 and ERK kinases was inhibited. Thus, cAMP appears to inhibit signal transmission from Ras by preventing Ras-dependent activation of Raf-1.


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Protein kinase A regulates {beta}2 integrin avidity in neutrophils.
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Hypertonicity increases cAMP in PMN and blocks oxidative burst by PKA-dependent and -independent mechanisms.
T. Orlic, W. H. Loomis, A. Shreve, S. Namiki, and W. G. Junger (2002)
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   Abstract »    Full Text »    PDF »
Follicle-stimulating Hormone Stimulates Protein Kinase A-mediated Histone H3 Phosphorylation and Acetylation Leading to Select Gene Activation in Ovarian Granulosa Cells.
L. M. Salvador, Y. Park, J. Cottom, E. T. Maizels, J. C. R. Jones, R. V. Schillace, D. W. Carr, P. Cheung, C. D. Allis, J. L. Jameson, et al. (2001)
J. Biol. Chem. 276, 40146-40155
   Abstract »    Full Text »    PDF »
Differential Subcellular Actions of ACE Inhibitors and AT1 Receptor Antagonists on Cardiac Remodeling Induced by Chronic Inhibition of NO Synthesis in Rats.
S. Sanada, M. Kitakaze, K. Node, S. Takashima, A. Ogai, H. Asanuma, Y. Sakata, M. Asakura, H. Ogita, Y. Liao, et al. (2001)
Hypertension 38, 404-411
   Abstract »    Full Text »    PDF »
Proliferation, Migration, and ERK Activation in Human Retinal Endothelial Cells through A2B Adenosine Receptor Stimulation.
M. B. Grant, M. I. Davis, S. Caballero, I. Feoktistov, I. Biaggioni, and L. Belardinelli (2001)
Invest. Ophthalmol. Vis. Sci. 42, 2068-2073
   Abstract »    Full Text »    PDF »
Signaling by eNOS through a superoxide-dependent p42/44 mitogen-activated protein kinase pathway.
W. Wang, S. Wang, E. V. Nishanian, A. Del Pilar Cintron, R. A. Wesley, and R. L. Danner (2001)
Am J Physiol Cell Physiol 281, C544-C554
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Platelet-Derived Growth Factor Stimulates Phospholipase C-{gamma}1, Extracellular Signal-Regulated Kinase, and Arachidonic Acid Release in Rat Myometrial Cells: Contribution to Cyclic 3',5'-Adenosine Monophosphate Production and Effect on Cell Proliferation.
I. Boulven, B. Palmier, P. Robin, M. Vacher, S. Harbon, and D. Leiber (2001)
Biol Reprod 65, 496-506
   Abstract »    Full Text »    PDF »
Dopamine regulates Na-K-ATPase in alveolar epithelial cells via MAPK-ERK-dependent mechanisms.
C. Guerrero, E. Lecuona, L. Pesce, K. M. Ridge, and J. I. Sznajder (2001)
Am J Physiol Lung Cell Mol Physiol 281, L79-L85
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LDL-Activated p38 in Endothelial Cells Is Mediated by Ras.
Y. Zhu, H. Liao, N. Wang, K.-S. Ma, L. K. Verna, J. Y.-J. Shyy, S. Chien, and M. B. Stemerman (2001)
Arterioscler Thromb Vasc Biol 21, 1159-1164
   Abstract »    Full Text »    PDF »
Cyclic AMP-Mediated Inhibition of Cell Growth Requires the Small G Protein Rap1.
J. M. Schmitt and P. J. S. Stork (2001)
Mol. Cell. Biol. 21, 3671-3683
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Role of cAMP-dependent protein kinase A activity in endothelial cell cytoskeleton rearrangement.
F. Liu, A. D. Verin, T. Borbiev, and J. G. N. Garcia (2001)
Am J Physiol Lung Cell Mol Physiol 280, L1309-L1317
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A Retroviral-Derived Immunosuppressive Peptide Activates Mitogen-Activated Protein Kinases.
A. Takahashi, N. K. Day, V. Luangwedchakarn, R. A. Good, and S. Haraguchi (2001)
J. Immunol. 166, 6771-6775
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Activation of the Cooh-Terminal Src Kinase (Csk) by Camp-Dependent Protein Kinase Inhibits Signaling through the T Cell Receptor.
T. Vang, K. M. Torgersen, V. Sundvold, M. Saxena, F. O. Levy, B. S. Skalhegg, V. Hansson, T. Mustelin, and K. Tasken (2001)
J. Exp. Med. 193, 497-508
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Schwann Cell Proliferative Responses to cAMP and Nf1 Are Mediated by Cyclin D1.
H. A. Kim, N. Ratner, T. M. Roberts, and C. D. Stiles (2001)
J. Neurosci. 21, 1110-1116
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Hormone-Induced Receptor Gene Splicing: Enhanced Expression of the Growth Factor Type I Follicle-Stimulating Hormone Receptor Motif in the Developing Mouse Ovary as a New Paradigm in Growth Regulation.
P. S. Babu, N. Danilovich, and M. R. Sairam (2001)
Endocrinology 142, 381-389
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8-Bromo-Cyclic AMP Induces Phosphorylation of Two Sites in SRC-1 That Facilitate Ligand-Independent Activation of the Chicken Progesterone Receptor and Are Critical for Functional Cooperation between SRC-1 and CREB Binding Protein.
B. G. Rowan, N. Garrison, N. L. Weigel, and B. W. O'Malley (2000)
Mol. Cell. Biol. 20, 8720-8730
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Adrenergic Regulation of Mitogen-Activated Protein Kinase in Rat Pinealocytes: Opposing Effects of Protein Kinase A and Protein Kinase G.
A. K. Ho and C. L. Chik (2000)
Endocrinology 141, 4496-4502
   Abstract »    Full Text »    PDF »
Signal Transduction Mechanisms Mediating the Physiological and Pathophysiological Actions of Angiotensin II in Vascular Smooth Muscle Cells.
R. M. Touyz and E. L. Schiffrin (2000)
Pharmacol. Rev. 52, 639-672
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CD28 and the Tyrosine Kinase Lck Stimulate Mitogen-Activated Protein Kinase Activity in T Cells via Inhibition of the Small G Protein Rap1.
K. D. Carey, T. J. Dillon, J. M. Schmitt, A. M. Baird, A. D. Holdorf, D. B. Straus, A. S. Shaw, and P. J. S. Stork (2000)
Mol. Cell. Biol. 20, 8409-8419
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c-Src Signaling Induced by the Adapters Sin and Cas Is Mediated by Rap1 GTPase.
L. Xing, C. Ge, R. Zeltser, G. Maskevitch, B. J. Mayer, and K. Alexandropoulos (2000)
Mol. Cell. Biol. 20, 7363-7377
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Cell-Type Specific Integration of Cross-Talk between Extracellular Signal-Regulated Kinase and cAMP Signaling.
M. D. Houslay and W. Kolch (2000)
Mol. Pharmacol. 58, 659-668
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Elevation of Intracellular cAMP Inhibits Growth Factor-Mediated Matrix Metalloproteinase-9 Induction and Keratinocyte Migration.
L. J. McCawley, S. Li, M. Benavidez, J. Halbleib, E. V. Wattenberg, and L. G. Hudson (2000)
Mol. Pharmacol. 58, 145-151
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Loss of Rhb1, a Rheb-Related GTPase in Fission Yeast, Causes Growth Arrest With a Terminal Phenotype Similar to That Caused by Nitrogen Starvation.
K. E. Mach, K. A. Furge, and C. F. Albright (2000)
Genetics 155, 611-622
   Abstract »    Full Text »



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