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Science 14 August 1992:
Vol. 257. no. 5072, pp. 973 - 977
DOI: 10.1126/science.1380182

Articles

Science, Vol 257, Issue 5072, 973-977
Copyright © 1992 by American Association for the Advancement of Science


articles

Rapamycin-induced inhibition of the 70-kilodalton S6 protein kinase

DJ Price, Grove JR, V Calvo, J Avruch, and BE Bierer

Diabetes Unit, Massachusetts General Hospital, Boston.

The immunosuppressant rapamycin inhibited proliferation of the H4IIEC hepatoma cell line. Rapamycin, but not its structural analog FK506, also inhibited the basal and insulin-stimulated activity of the p70 ribosomal protein S6 kinase. By contrast, insulin stimulation of the p85 Rsk S6 kinase and mitogen-activated protein (MAP) kinase activity were unaffected by drug. Rapamycin treatment of COS cells transfected with recombinant p70 S6 kinase completely inhibited the appearance of the hyperphosphorylated form of p70 S6 kinase concomitant with the inhibition of enzyme activity toward 40S subunits. Thus, rapamycin inhibits a signal transduction element that is necessary for the activation of p70 S6 kinase and mitogenesis but unnecessary for activation of p85 Rsk S6 kinase or MAP kinase.


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Biochemical Correlates of mTOR Inhibition by the Rapamycin Ester CCI-779 and Tumor Growth Inhibition.
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R. R. Baliga, D. R. Pimental, Y.-Y. Zhao, W. W. Simmons, M. A. Marchionni, D. B. Sawyer, and R. A. Kelly (1999)
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J. A. Alberta, K. R. Auger, D. Batt, P. Iannarelli, G. Hwang, H. L. Elliott, R. Duke, T. M. Roberts, and C. D. Stiles (1999)
J. Biol. Chem. 274, 31062-31067
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Suppression or induction of apoptosis by opposing pathways downstream from calcium-activated calcineurin.
J. Lotem, R. Kama, and L. Sachs (1999)
PNAS 96, 12016-12020
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Antifungal Activities of Antineoplastic Agents: Saccharomyces cerevisiae as a Model System To Study Drug Action.
M. E. Cardenas, M. C. Cruz, M. Del Poeta, N. Chung, J. R. Perfect, and J. Heitman (1999)
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J. Pharmacol. Exp. Ther. 291, 171-180
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Regulation of Glycogen Synthase in Rat Hepatocytes. EVIDENCE FOR MULTIPLE SIGNALING PATHWAYS.
L. Lavoie, C. J. Band, M. Kong, J. J. M. Bergeron, and B. I. Posner (1999)
J. Biol. Chem. 274, 28279-28285
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Regulation of p21cip1 Expression by Growth Factors and the Extracellular Matrix Reveals a Role for Transient ERK Activity in G1 Phase.
M. E. Bottazzi, X. Zhu, R. M. Bohmer, and R. K. Assoian (1999)
J. Cell Biol. 146, 1255-1264
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Commitment of Neutrophilic Differentiation and Proliferation of HL-60 Cells Coincides with Expression of Transferrin Receptor. EFFECT OF GRANULOCYTE COLONY STIMULATING FACTOR ON DIFFERENTIATION AND PROLIFERATION.
T. Kanayasu-Toyoda, T. Yamaguchi, E. Uchida, and T. Hayakawa (1999)
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U. K. Misra, G. Gawdi, M. Gonzalez-Gronow, and S. V. Pizzo (1999)
J. Biol. Chem. 274, 25785-25791
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Regulation of Cell Growth and Cyclin D1 Expression by the Constitutively Active FRAP-p70s6K Pathway in Human Pancreatic Cancer Cells.
M. Grewe, F. Gansauge, R. M. Schmid, G. Adler, and T. Seufferlein (1999)
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H. Hosoi, M. B. Dilling, T. Shikata, L. N. Liu, L. Shu, R. A. Ashmun, G. S. Germain, R. T. Abraham, and P. J. Houghton (1999)
Cancer Res. 59, 886-894
   Abstract »    Full Text »    PDF »
Cloning and Characterization of RLPK, a Novel RSK-related Protein Kinase.
L. New, M. Zhao, Y. Li, W. W. Bassett, Y. Feng, S. Ludwig, F. D. Padova, H. Gram, and J. Han (1999)
J. Biol. Chem. 274, 1026-1032
   Abstract »    Full Text »    PDF »
Attenuation of Mammalian Target of Rapamycin Activity by Increased cAMP in 3T3-L1 Adipocytes.
P. H. Scott and J. C. Lawrence Jr. (1998)
J. Biol. Chem. 273, 34496-34501
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Metabotropic glutamate receptor-initiated translocation of protein kinase p90rsk to polyribosomes: A possible factor regulating synaptic protein synthesis.
F. Angenstein, W. T. Greenough, and I. J. Weiler (1998)
PNAS 95, 15078-15083
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p70 S6 Kinase Activation Is Not Required for Insulin-Like Growth Factor-Induced Differentiation of Rat, Mouse, or Human Skeletal Muscle Cells.
J. Canicio, E. Gallardo, I. Illa, X. Testar, M. Palacin, A. Zorzano, and P. Kaliman (1998)
Endocrinology 139, 5042-5049
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Molecular Cloning and Characterization of a Novel p70 S6 Kinase, p70 S6 Kinase beta  Containing a Proline-rich Region.
I. Gout, T. Minami, K. Hara, Y. Tsujishita, V. Filonenko, M. D. Waterfield, and K. Yonezawa (1998)
J. Biol. Chem. 273, 30061-30064
   Abstract »