Research Topics
Genomes and GenesSpecies | M TakekawaSummaryAffiliation: University of Tokyo Country: Japan Publications
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Detail Information
Publications
p53-inducible wip1 phosphatase mediates a negative feedback regulation of p38 MAPK-p53 signaling in response to UV radiationM Takekawa
First Department of Internal Medicine, Sapporo Medical University, School of Medicine, S 1, W 16, Chuo Ku, Sapporo 060 8543, Japan
EMBO J 19:6517-26. 2000..These results suggest that p53-dependent expression of Wip1 mediates a negative feedback regulation of p38-p53 signaling and contributes to suppression of the UV-induced apoptosis...
[Stress-responsive MAP kinases]Mutsuhiro Takekawa
Tanpakushitsu Kakusan Koso 47:1379-89. 2002
Smad-dependent GADD45beta expression mediates delayed activation of p38 MAP kinase by TGF-betaMutsuhiro Takekawa
Division of Molecular Cell Signaling, Institute of Medical Science, The University of Tokyo, 4 6 1, Shirokanedai, Minato ku, Tokyo 108 8639, Japan
EMBO J 21:6473-82. 2002..Thus TGF-beta-induced p38 activation, mediated by GADD45beta expression, may play an important role in the biological effects of TGF-beta...
Nuclear export of glucocorticoid receptor is enhanced by c-Jun N-terminal kinase-mediated phosphorylationM Itoh
First Department of Internal Medicine, Sapporo Medical University School of Medicine, Sapporo, 060 8543, Japan
Mol Endocrinol 16:2382-92. 2002..Taken together, these findings suggest that JNK-mediated phosphorylation of the GR-Ser226 enhances GR nuclear export and may contribute to termination of GR-mediated transcription...
Regulation of the antioncogenic Chk2 kinase by the oncogenic Wip1 phosphataseH Fujimoto
1Department of Genome Sciences, Faculty of Medical Sciences, Graduate School of Medicine, Kobe University, 7 5 1, Kusunoki cho, Chuo Ku, Kobe 650 0017, Japan
Cell Death Differ 13:1170-80. 2006....
Analysis of gene expression during maturation of immature dendritic cells derived from peripheral blood monocytesT Matsunaga
First Department of Internal Medicine, Sapporo Medical University, Sapporo, Japan
Scand J Immunol 56:593-601. 2002..PSMA3 was also induced in the DCs stimulated with immune complex. These findings might contribute to our understanding of DC maturation and the effectiveness of DC-based vaccines...
Formation of stress granules inhibits apoptosis by suppressing stress-responsive MAPK pathwaysKyoko Arimoto
Department of Molecular Cell Signaling, Institute of Medical Sciences, The University of Tokyo, 4 6 1 Shirokanedai, Minato ku, Tokyo 108 8639, Japan
Nat Cell Biol 10:1324-32. 2008..Thus, type 1 conditions suppress activation of the MTK1-SAPK pathway and apoptosis induced by type 2 stress. These findings may be relevant to the problem of hypoxia-induced resistance to cancer chemotherapy...
A docking site determining specificity of Pbs2 MAPKK for Ssk2/Ssk22 MAPKKKs in the yeast HOG pathwayKazuo Tatebayashi
Division of Molecular Cell Signaling, Institute of Medical Science, The University of Tokyo, 4 6 1 Shirokanedai, Minato ku, Tokyo 108 8639, Japan
EMBO J 22:3624-34. 2003..Thus, the docking site contributes to both the efficiency and specificity of signaling. During these analyses, we also found a nuclear export signal and a possible nuclear localization signal in Pbs2...
Stimulus-specific distinctions in spatial and temporal dynamics of stress-activated protein kinase kinase kinases revealed by a fluorescence resonance energy transfer biosensorTaichiro Tomida
Institute of Medical Sciences, University of Tokyo, 4 6 1 Shirokanedai, Minato ku, Tokyo 108 8639, Japan
Mol Cell Biol 29:6117-27. 2009..These observations revealed previously unknown heterogeneity in SAPK responses and supplied answers to the question of the cellular location in which various stresses induce stimulus-specific SAPK responses...
Conserved docking site is essential for activation of mammalian MAP kinase kinases by specific MAP kinase kinase kinasesMutsuhiro Takekawa
Division of Molecular Cell Signaling, Institute of Medical Science, The University of Tokyo, 4 6 1 Shirokanedai, Minato ku, Tokyo 108 8639, Japan
Mol Cell 18:295-306. 2005..Synthetic DVD oligopeptides inhibited specific MAPKK activation, both in vitro and in vivo, demonstrating the critical importance of the DVD docking in MAPK signaling...
Activation of MTK1/MEKK4 by GADD45 through induced N-C dissociation and dimerization-mediated trans autophosphorylation of the MTK1 kinase domainZenshi Miyake
Institute of Medical Sciences, The University of Tokyo, 4 6 1 Shirokanedai, Minato ku, Tokyo 108 8639, Japan
Mol Cell Biol 27:2765-76. 2007..Constitutively active MTK1 mutants induced the same events, but in the absence of GADD45...
Usage of tautomycetin, a novel inhibitor of protein phosphatase 1 (PP1), reveals that PP1 is a positive regulator of Raf-1 in vivoShinya Mitsuhashi
Division of Biochemical Oncology and Immunology, Institute for Genetic Medicine, Hokkaido University, Kita 15, Nishi 7, Kita ku, Sapporo 060 0815, Japan
J Biol Chem 278:82-8. 2003..Furthermore, a physical interaction between PP1C and Raf-1 was also observed. These data strongly suggest that PP1 positively regulates Raf-1 in vivo...
GADD45beta/GADD45gamma and MEKK4 comprise a genetic pathway mediating STAT4-independent IFNgamma production in T cellsHongbo Chi
Section of Immunobiology, Yale University School of Medicine, New Haven, CT, USA
EMBO J 23:1576-86. 2004..During Th1 differentiation, the GADD45beta/GADD45gamma/MEKK4 pathway appears to integrate upstream signals transduced by both T cell receptor and IL12/STAT4, leading to augmented IFNgamma production in a process independent of STAT4...
Characterization of a novel low-molecular-mass dual-specificity phosphatase-3 (LDP-3) that enhances activation of JNK and p38Kentaro Takagaki
Division of Biochemical Oncology and Immunology, Institute for Genetic Medicine, Hokkaido University, Kita 15, Nishi 7, Kita ku, Sapporo 060 0815, Japan
Biochem J 383:447-55. 2004..4 M sorbitol. By screening with a variety of stimuli, we found that LDP-3 specifically enhances the osmotic stress-induced activation of JNK and p38...
A novel low-molecular-mass dual-specificity phosphatase, LDP-2, with a naturally occurring substitution that affects substrate specificityKoji Nakamura
Division of Biochemical Oncology and Immunology, Institute for Genetic Medicine, Hokkaido University, Kita-ku, Sapporo 060-0815, Japan
J Biochem (Tokyo) 132:463-70. 2002..We first found that VHR inhibits the activation of p38 as well as ERK and JNK, with similar efficiency. Under the conditions used, LDP-2 specifically suppressed JNK activation...
NF-kappaB inhibits TNF-induced accumulation of ROS that mediate prolonged MAPK activation and necrotic cell deathSachiko Sakon
Department of Immunology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, Japan
EMBO J 22:3898-909. 2003..or prolonged MAPK activation in wild-type MEFs, indicating that TRAF-mediated NF-kappaB activation normally suppresses the TNF-induced ROS accumulation that subsequently induces prolonged MAPK activation and necrotic cell death..
Regulation of MTK1/MEKK4 kinase activity by its N-terminal autoinhibitory domain and GADD45 bindingHiroaki Mita
Dana Farber Cancer Institute and Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, USA
Mol Cell Biol 22:4544-55. 2002..These MTK1 mutants are constitutively active, in both yeast and mammalian cells. A model of MTK1 autoinhibition by the N-terminal inhibitory domain and activation by GADD45 binding is presented...
