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Science 18 March 1994: Vol. 263. no. 5153, pp. 1609 - 1612 DOI: 10.1126/science.8128248
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Articles
Science, Vol 263, Issue 5153, 1609-1612
Copyright © 1994 by American Association for the Advancement of Science
Activation of phosphatidylinositol-3' kinase by Src-family kinase SH3 binding to the p85 subunit
CM Pleiman,
WM Hertz,
and
JC Cambier
Department of Pediatrics, National Jewish Center for Immunology and Respiratory Medicine, Denver, CO 80206.
Engagement of antigen receptor complexes induces rapid activation of Src-family kinases and association with phosphatidylinositol-3' kinase (PI-3 kinase). Here it was found that the Src homology 3 (SH3) domain of Lyn and Fyn bound to a proline-rich region (residues 84 to 99) within the 85-kilodalton subunit (p85) of PI-3 kinase. The binding of SH3 to the purified kinase led to a five- to sevenfold increase in the specific activity of PI-3 kinase. Ligand-induced receptor stimulation activated PI-3 kinase, and this activation was blocked by a peptide containing residues 84 to 99 of p85. These data demonstrate a mechanism for PI-3 kinase activation and show that binding of SH3 domains to proline-rich target sequences can regulate enzymatic activity.
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- Phosphatidylinositol 3-Kinase Is Required for CD28 But Not CD3 Regulation of the TEC Family Tyrosine Kinase EMT/ITK/TSK: Functional and Physical Interaction of EMT with Phosphatidylinositol 3-Kinase.
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J. Immunol.
161, 5404-5412
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- Regulation of the p85/p110alpha Phosphatidylinositol 3'-Kinase. DISTINCT ROLES FOR THE N-TERMINAL AND C-TERMINAL SH2 DOMAINS.
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273, 30199-30203
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- The Src Homology Domain 3 (SH3) of a Yeast Type I Myosin, Myo5p, Binds to Verprolin and Is Required for Targeting to Sites of Actin Polarization.
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J. Cell Biol.
141, 1357-1370
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- Lyn Physically Associates With the Erythropoietin Receptor and May Play a Role in Activation of the Stat5 Pathway.
- H. Chin, A. Arai, H. Wakao, R. Kamiyama, N. Miyasaka, and O. Miura (1998)
Blood
91, 3734-3745
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- c-Src Is Required for Stimulation of Gelsolin-associated Phosphatidylinositol 3-Kinase.
- M. Chellaiah, C. Fitzgerald, U. Alvarez, and K. Hruska (1998)
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273, 11908-11916
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- Parallel Contractile Signal Transduction Pathways Activated by Receptors for Thrombin and Epidermal Growth Factor-Urogastrone in Guinea Pig Gastric Smooth Muscle: Blockade by Inhibitors of Mitogen-Activated Protein Kinase-Kinase and Phosphatidyl Inositol 3'-Kinase.
- X.-L. Zheng, B. Renaux, and M. D. Hollenberg (1998)
J. Pharmacol. Exp. Ther.
285, 325-334
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- Analysis of Signal Transduction Pathways in Human Eosinophils Activated by Chemoattractants and the T-Helper 2-Derived Cytokines Interleukin-4 and Interleukin-5.
- P. J. Coffer, R. C. Schweizer, G. R. Dubois, T. Maikoe, J.-W. J. Lammers, and L. Koenderman (1998)
Blood
91, 2547-2557
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- Regulation of the p85/p110 Phosphatidylinositol 3'-Kinase: Stabilization and Inhibition of the p110alpha Catalytic Subunit by the p85 Regulatory Subunit.
- J. Yu, Y. Zhang, J. McIlroy, T. Rordorf-Nikolic, G. A. Orr, and J. M. Backer (1998)
Mol. Cell. Biol.
18, 1379-1387
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- A Role for CAP, a Novel, Multifunctional Src Homology 3 Domain-containing Protein in Formation of Actin Stress Fibers and Focal Adhesions.
- V. Ribon, R. Herrera, B. K. Kay, and A. R. Saltiel (1998)
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273, 4073-4080
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- Induction of Tyrosine Phosphorylation in Human MHC Class II-Positive Antigen-Presenting Cells by Stimulation with Contact Sensitizers.
- U. Kuhn, P. Brand, J. Willemsen, H. Jonuleit, A. H. Enk, R. van Brandwijk-Petershans, J. Saloga, J. Knop, and D. Becker (1998)
J. Immunol.
160, 667-673
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- Qualitative Regulation of B Cell Antigen Receptor Signaling by CD19: Selective Requirement for PI3-Kinase Activation, Inositol-1,4,5-Trisphosphate Production and Ca2+ Mobilization.
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- Src-induced activation of inducible T cell kinase (ITK) requires phosphatidylinositol 3-kinase activity and the Pleckstrin homology domain of inducible T cell kinase.
- A. August, A. Sadra, B. Dupont, and H. Hanafusa (1997)
PNAS
94, 11227-11232
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- Tyrosine Phosphorylation of the CD3-epsilon Subunit of the T Cell Antigen Receptor Mediates Enhanced Association with Phosphatidylinositol 3-Kinase in Jurkat T Cells.
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- Binding specificity and in vivo targets of the EH domain, a novel protein-protein interaction module.
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- Phosphorylation of cbl after Stimulation of Nb2 Cells with Prolactin and Its Association with Phosphatidylinositol 3-Kinase.
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- Differential Regulation of Phosphoinositide 3-Kinase Adapter Subunit Variants by Insulin in Human Skeletal Muscle.
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- Molecular Cloning of SKAP55, a Novel Protein That Associates with the Protein Tyrosine Kinase p59fyn in Human T-lymphocytes.
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- Involvement of Phosphatidylinositol 3-Kinase in NFAT Activation in T Cells.
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- Defective Signaling through the B Cell Antigen Receptor in Epstein-Barr Virus-transformed Ataxia-Telangiectasia Cells.
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- Ras-independent transformation by v-Src.
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PNAS
94, 3028-3033
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- The PI 3-kinase/Akt signaling pathway delivers an anti-apoptotic signal..
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- Granulocyte-Macrophage Colony-Stimulating Factor-Activated Signaling Pathways in Human Neutrophils. I. Tyrosine Phosphorylation-Dependent Stimulation of Phosphatidylinositol 3-Kinase and Inhibition by Phorbol Esters.
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Blood
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- Phosphorylation of Cbl following Stimulation with Interleukin-3 and Its Association with Grb2, Fyn, and Phosphatidylinositol 3-Kinase.
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272, 739-745
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- Crystal structure of the breakpoint cluster region-homology domain from phosphoinositide 3-kinase p85alpha subunit.
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PNAS
93, 14373-14378
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- Akt Is a Direct Target of the Phosphatidylinositol 3-Kinase. ACTIVATION BY GROWTH FACTORS, v-src and v-Ha-ras, IN Sf9 AND MAMMALIAN CELLS.
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271, 30835-30839
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- A Tyrosine Kinase Signaling Pathway Accounts for the Majority of Phosphatidylinositol 3,4,5-Trisphosphate Formation in Chemoattractant-stimulated Human Neutrophils.
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