Y. Gotoh

Graphitization behavior of iodine-treated Bombyx mori silk fibroin fiber (2009)

Khan, MMR, Gotoh, Y, Morikawa, H, Miura, M

The original publication is available at www.springerlink.com

Initial structure development in the CO2 laser-heated drawing of poly(trimethylene terephthalate) fiber (2008)

Kim, K, Kang, Y, Murata, T, Ikehata, S, Ohkoshi, Y, Gotoh, Y, ...

Because rapid and uniform laser heating can fix the neck-drawing point in continuous drawing of PTT fiber, we have successfully analyzed the fiber structure development in the continuous drawing...

Initial stage of fiber structure development in the continuous drawing of poly(ethylene terephthalate) (2008)

Yamaguchi, T, Kim, K, Murata, T, Koide, M, Hitoosa, S, Urakawa, H, ...

This is the pre-peer reviewed version of the following article: JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS 46(19): 2126-2142, 2008, which has been published in final form...

Initial Stage of Fiber Structure Development in the Continuous Drawing of Poly(ethylene terephthalate) (2008)

Yamaguchi, T, Kim, K, Murata, T, Koide, M, Hitoosa, S, Urakawa, H, ...

This is a preprint of an article published in Journal of Polymer Science: Part B: Polymer Physics. 46(19): 2126-2142 (2008).

Conductivity and structure of a polyamide/silver iodide nanocomposite (2008)

Fujimori, Y, Gotoh, Y, Kawaguchi, A, Ohkoshi, Y, Nagura, M

This is a preprint of an article published in JOURNAL OF APPLIED POLYMER SCIENCE 2008; 108(5): 2814-2824

Evaluation of hafnium nitride thin films sputtered from a hafnium nitride target (2008)

Kanzawa, T, Setojima, N, Miyata, Y, Gotoh, Y, Tsuji, H, Ishikawa, J

Modeling of linear carbon nanotube nanotriodes with improved field uniformity (2008)

Nicolaescu, D, Filip, V, Gotoh, Y, Ishikawa, J

Extension of lifetime of silicon field emitter arrays in oxygen ambient by carbon negative ion implantation (2008)

Oowada, A, Takeuchi, M, Sakai, Y, Gotoh, Y, Nagao, M, Tsuji, H, ...

Electrospinning of poly (ether sulfone) and evaluation of the filtration efficiency (2007)

Nakata, K, Kim, SH, Ohkoshi, Y, Gotoh, Y, Nagura, M

Derivation of length of carbon nanotube responsible for electron emission from field emission characteristics (2007)

Gotoh, Y, Kawamura, Y, Niiya, T, Ishibashi, T, Nicolaescu, D, Tsuji, H, ...

Carbon fiber from natural biopolymer Bombyx mori silk fibroin with iodine treatment (2007)

Khan, MMR, Gotoh, Y, Morikawa, H, Miura, M, Fujimori, Y, Nagura, M

Poly(ethylene terephthalate) nanofibers made by sea-island-type conjugated melt spinning and laser-heated flow drawing (2007)

Nakata, K, Fujii, K, Ohkoshi, Y, Gotoh, Y, Nagura, M, Numata, M, ...

This is a preprint of an article published in [MACROMOLECULAR RAPID COMMUNICATIONS. 28(6): 792-795(2007)]

Nerve-cell attachment properties of polystyrene and silicone rubber modified by carbon negative-ion implantation (2007)

Tsuji, H., Sommani, P., Kitamura, T., Hattori, M., Sato, H., Gotoh, Y., ...

Minimum line width of ion beam-modified polystyrene by negative carbon ions for nerve-cell attachment and neurite extension (2007)

Sommani, P., Tsuji, H., Sato, H., Kitamura, T., Hattori, M., Gotoh, Y., ...

Derivation of length of carbon nanotube responsible for electron emission from field emission characteristics (2007)

Gotoh, Y., Kawamura, Y., Niiya, T., Ishibashi, T., Nicolaescu, D., Tsuji, H., ...

Work function of low index crystal facet of tungsten evaluated by the Seppen-Katamuki analysis (2007)

Gotoh, Y., Mukai, K., Kawamura, Y., Tsuji, H., Ishikawa, J.

Analytical modeling for the electron emission properties of carbon nanotube arrays (2007)

Nicolaescu, D., Filip, V., Takaoka, G. H., Gotoh, Y., Ishikawa, J.

Glasgow University at TRECVID 2006 (2006)

Urban, J., Hilaire, X., Hopfgartner, F., Villa, R., Jose, J.M., Chantamunee, S., ...

In the first part of this paper we describe our experiments in the automatic and interactive search tasks of TRECVID 2006. We submitted five fully automatic runs, including a text baseline, two runs...

8th International Symposium on Sputtering and Plasma Processes (2006)

Kusano, K, Fujiwara, N, Nakano, T, Matsumoto, K, Gotoh, Y, Yoshino, T

Negative-ion implantation into thin SiO2 layer for defined nanoparticle formation (2006)

Tsuji, H, Arai, N, Gotoh, N, Minotani, T, Ishibashi, T, Okumine, T, ...

Drawing behavior and characteristics of laser-drawn polypropylene fibers (2006)

Uddin, AJ, Mashima, Y, Ohkoshi, Y, Gotoh, Y, Nagura, M, Sakamoto, A, ...

This is a preprint of an article published in JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS. 44(2): 398-408 (2005)

Fabrication of aligned carbon nanotube-filled rubber composite (2006)

Kim, YA, Hayashi, T, Endo, M, Gotoh, Y, Wada, N, Seiyama, J

Formation of mono-layered gold nanoparticles in shallow depth of SiO2 thin film by low-energy negative-ion implantation (2006)

Tsuji, H, Arai, N, Ueno, K, Matsumoto, T, Gotoh, N, Adachi, K, ...

Photocatalytic properties of sol-gel titania film under fluorescent-light irradiation improved by silver negative-ion implantation (2006)

Tsuji, H, Sakai, N, Gotoh, Y, Ishikawa, J

Formation of silver nanoparticles aligned near the bottom of SiO2 film silicon substrate by negative-ion implantation and post-annealing (2006)

Arai, N, Tsuji, H, Ueno, K, Matsumoto, T, Gotoh, N, Aadachi, K, ...

Negative-ion implantation into thin SiO2 layer for defined nanoparticle formation (2006)

Tsuji, H, Arai, N, Gotoh, N, Minotani, T, Ishibashi, T, Okumine, T, ...

Development of a compact angle-resolved secondary ion mass spectrometer for Ar+ sputtering (2006)

Kawaguchi, S, Tanemura, M, Kudo, M, Handa, N, Kinoshita, N, Miao, L, ...

Work function measurement of transition metal nitride and carbide thin films (2006)

Fujii, R, Gotoh, Y, Liao, MY, Tsuji, H, Ishikawa, J

Hydration in a new semiaromatic polyamide observed by humidity-controlled dynamic viscoelastometry and X-ray diffraction (2005)

Uddin, AJ, Gotoh, Y, Ohkoshi, Y, Nagura, M, Endo, R, Hara, T

This is a preprint of an article published in JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS 2005; 43(13): 1640-1648

Online wide-angle X-ray diffraction/small-angle X-ray scattering measurements for the CO2-laser-heated drawing of poly(ethylene terephthalate) fiber (2005)

Yamaguchi, T, Komoriyama, K, Ohkoshi, Y, Urakawa, H, Gotoh, Y, Terasawa, N, ...

This is a preprint of an article published in JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS. Vol 43(9): 1090-1099 (2005).

Formation of almost delta-layered nanoparticles in SiO2 thin film on Si substrate by metal negative-ion implantation (2005)

Ishikawa, J, Tsuji, H, Arai, N, Matsumoto, T, Ueno, K, Adachi, K, ...

Silicon field emission array as novel charge neutralization device for high current ion implanter (2005)

Ishikawa, J, Gotoh, Y, Nakamura, K, Kojima, T, Tsuji, H, Ikejiri, T, ...

Deposition of vanadium carbide thin films using compound target sputtering and their field emission (2005)

Liao, MY, Gotoh, Y, Tsuji, H, Ishikawa, J

Immobilization of extracellular matrix on polymeric materials by carbon-negative-ion implantation (2005)

Tsuji, H, Sommani, P, Muto, T, Utagawa, Y, Sakai, S, Sato, H, ...

Evaluation of nanoparticles embedded in thin silicon dioxide film by optical reflection property (2005)

Arai, N, Tsuji, H, Ueno, K, Matsumoto, T, Gotoh, Y, Adachi, K, ...

Silver negative-ion implantation to sol-gel TiO2 film for improving photocatalytic property under fluorescent light (2005)

Tsuji, H, Sakai, N, Sugahara, H, Gotoh, Y, Ishikawa, J

Delta layer formation of silver nanoparticles in thin silicon dioxide film by negative ion implantation (2005)

Tsuji, H, Arai, N, Matsumoto, T, Ueno, K, Adachi, K, Kotaki, H, ...

Electron emission properties of Spindt-type platinum field emission cathodes (2004)

Gotoh, Y, Nagao, M, Nozaki, D, Utsumi, K, Inoue, K, Nakatani, T, ...

Adsorption and order formation of colloidal nanoparticles on a substrate: A Brownian dynamics study (2004)

Miyahara, M, Watanabe, S, Gotoh, Y, Higashitani, K

Adsorption and order formation of colloidal nanoparticles on a substrate: A Brownian dynamics study (2004)

Miyahara, M, Watanabe, S, Gotoh, Y, Higashitani, K

A study of TaN film field electron emitter material by a Kelvin probe force microscope (2004)

Miya, K, Sasaki, M, Yamamoto, S, Gotoh, Y, Kawamura, Y, Ishikawa, J

Electron emission properties of Spindt-type platinum field emission cathodes (2004)

Gotoh, Y, Nagao, M, Nozaki, D, Utsumi, K, Inoue, K, Nakatani, T, ...

Growth and stress evolution of hafnium nitride films sputtered from a compound target (2004)

Liao, MY, Gotoh, Y, Tsuji, H, Ishikawa, J

Crystallographic structure and composition of vanadium nitride films deposited by direct sputtering of a compound target (2004)

Liao, MY, Gotoh, Y, Tsuji, H, Ishikawa, J

Silver nanoparticle formation in thin oxide layer on silicon by silver-negative-ion implantation for Coulomb blockade at room temperature (2004)

Tsuji, H, Arai, N, Matsumoto, T, Ueno, K, Gotoh, Y, Adachi, K, ...

Surface treatment of silicone rubber by carbon negative-ion implantation for nerve regeneration (2004)

Tsuji, H, Izukawa, M, Ikeguchi, R, Kakinoki, R, Sato, H, Gotoh, Y, ...

Compound-target sputtering for niobium carbide thin-film deposition (2004)

Liao, MY, Gotoh, Y, Tsuji, H, Ishikawa, J

Field electron emission from nanostructured heterogeneous HfNxOy films (2003)

Liao, MY, Gotoh, Y, Tsuji, H, Ishikawa, J

R&D of diamond films in the Frontier Carbon Technology Project and related topics (2003)

Kobashi, K, Nishibayashi, Y, Yokota, Y, Ando, Y, Tachibana, T, Kawakami, N, ...

Electrification of fine particles by impact on a polymer film target (2003)

Matsusaka, S, Nishida, T, Gotoh, Y, Masuda, H

Improvement of photocatalytic efficiency of rutile titania by silver negative-ion implantation (2003)

Tsuji, H, Sugahara, H, Gotoh, Y, Ishikawa, J

Protein adsorption on carbon-negative ion (C-)-implanted polystyrene as neuronal guidance. (2003)

Sato, H, Tsuji, H, Izukawa, M, Sasaki, H, Utsumi, Y, Gotoh, Y, ...

Field electron emission from nanostructured heterogeneous HfNxOy films (2003)

Liao, MY, Gotoh, Y, Tsuji, H, Ishikawa, J

Measurement of work function of transition metal nitride and carbide thin films (2003)

Gotoh, Y, Tsuji, H, Ishikawa, J

Selective neurite outgrowth on silver negative ion (Ag-)-implanted polystyrene surfaces (2003)

Sato, H, Tsuji, H, Sasaki, H, Ikemura, S, Gotoh, Y, Ishikawa, J, ...

In situ analyzer of electron emission properties: Fowler-Nordheim plotter and Seppen-Katamuki plotter (2003)

Gotoh, Y, Ishizu, K, Tsuji, H, Ishikawa, J

Formation of silver nanoparticles in thin oxide layer on Si by negative-ion implantation (2003)

Arai, N, Tsuji, H, Motono, M, Gotoh, Y, Adachi, K, Kotaki, H, ...

On the stability of electronic perturbations on a graphite surface produced by low-energy ion bombardment (2003)

Gotoh, Y, Hagiwara, T, Tanaka, Y, Kubo, H, Tsuji, H, Ishikawa, J

Study on optical reflection property from multilayer on Si substrate including nanoparticles in SiO2 layer (2003)

Tsuji, H, Arai, N, Motono, M, Gotoh, Y, Adachi, K, Kotaki, H, ...

Improvement of polydimethylsiloxane guide tube for nerve regeneration treatment by carbon negative-ion implantation (2003)

Tsuji, H, Izukawa, M, Ikeguchi, R, Kakinoki, R, Sato, H, Gotoh, Y, ...

Fibrous structures on diamond and carbon surfaces formed by hydrogen plasma under direct current bias and field electron-emission properties (2003)

Kobashi, K, Tachibana, T, Yokota, Y, Kawakami, N, Hayashi, K, Yamamoto, K, ...

Formation and control of stoichiometric hafnium nitride thin films by direct sputtering of hafnium nitride target (2003)

Gotoh, Y, Liao, MY, Tsuji, H, Ishikawa, J

Energy distribution of the compact microwave ion source for extremely low voltage ion extraction (2002)

Gotoh, Y, Nakajima, K, Hagiwara, T, Tsuji, H, Ishikawa, J

Surface modification of TiO2 (rutile) by metal negative ion implantation for improving catalytic properties (2002)

Tsuji, H, Sagimori, T, Kurita, K, Gotoh, Y, Ishikawa, J

Energy distribution of the compact microwave ion source for extremely low voltage ion extraction (2002)

Gotoh, Y, Nakajima, K, Hagiwara, T, Tsuji, H, Ishikawa, J

Neuron attachment properties of carbon negative-ion implanted bioabsorbable polymer of poly-lactic acid (2002)

Tsuji, H, Sasaki, H, Sato, H, Gotoh, Y, Ishikawa, J

Ion beam assisted deposition of tantalum nitride thin films for vacuum microelectronics devices (2002)

Gotoh, Y, Kagamimori, K, Tsuji, H, Ishikawa, J

Relationship between composition and work function of gold-samarium alloy thin films (2002)

Kiwa, N, Gotoh, Y, Tsuji, H, Ishikawa, J

Extracellular matrix absorption properties of negative ion-implanted polystyrene, polydimethylsiloxane and poly-lactic acid (2002)

Tsuji, H, Sasaki, H, Utsumi, Y, Sato, H, Gotoh, Y, Ishikawa, J

Optical absorption properties of Cu and Ag double negative-ion implanted silica glass (2002)

Tsuji, H, Kurita, K, Gotoh, Y, Kishimoto, N, Ishikawa, J

Fabrication of gated niobium nitride field emitter array (2001)

Gotoh, Y, Kashiwagi, Y, Nagao, M, Kondo, T, Tsuji, H, Ishikawa, J

Relationship between work function and current fluctuation of field emitters: Use of SK chart dor evaluation of work function (2001)

Gotoh, Y, Tsuji, H, Ishikawa, J

Emission characteristics of Spindt-type platinum field emitters improved by operation in carbon monoxide ambient (2001)

Gotoh, Y, Nozaki, D, Tsuji, H, Ishikawa, J, Nakatani, T, Sakashita, T, ...

Emission characteristics of Spindt-type platinum field emitters improved by operation in carbon monoxide ambient (2001)

Gotoh, Y, Nozaki, D, Tsuji, H, Ishikawa, J, Nakatani, T, Sakashita, T, ...

On the increase of the intensity ratio of doubly charged ions to singly charged ions for liquid gold and copper ion sources (2001)

Gotoh, Y, Tsuji, H, Ishikawa, J

Fabrication of gated niobium nitride field emitter array (2001)

Gotoh, Y, Kashiwagi, Y, Nagao, M, Kondo, T, Tsuji, H, Ishikawa, J

Relationship between work function and current fluctuation of field emitters: Use of SK chart dor evaluation of work function (2001)

Gotoh, Y, Tsuji, H, Ishikawa, J

Relationships among the physical parameters required to give a linear relation between slope and intercept of Fowler-Nordheim plots (2001)

Gotoh, Y, Tsuji, H, Ishikawa, J

Significant improvement of the emission property of Spindt-type platinum field emitters by operation in carbon monoxide ambient (2000)

Gotoh, Y, Nozaki, D, Tsuji, H, Ishikawa, J, Nakatani, T, Sakashita, T, ...

Estimation of emission field and emission site of boron-doped diamond thin-film field emitters (2000)

Gotoh, Y, Kondo, T, Nagao, M, Tsuji, H, Ishikawa, J, Hayashi, K, ...

Negative-ion implanter for powders and its application to nanometer-sized metal particle formation in the surface of glass beads (2000)

Tsuji, H, Kido, S, Sasaki, H, Gotoh, Y, Ishikawa, J

Molecular ion implanter equipped with liquid-metal alloy ion source (2000)

Gotoh, Y, Tsuji, H, Ishikawa, J

Compact microwave ion source for extremely low energy ion irradiation system (2000)

Gotoh, Y, Kubo, H, Tsuji, H, Ishikawa, J

A negative ion beam application to artificial formation of neuron network in culture (2000)

Tsuji, H, Sato, H, Baba, T, Gotoh, Y, Ishikawa, J

Criterion for decrease of electric field at ionization point of liquid-metal ion sources (2000)

Gotoh, Y, Tsuji, H, Ishikawa, J

Application of compact microwave ion source to low temperature growth of transition metal nitride thin films for vacuum microelectronics devices (2000)

Gotoh, Y, Tsuji, H, Ishikawa, J

Significant improvement of the emission property of Spindt-type platinum field emitters by operation in carbon monoxide ambient (2000)

Gotoh, Y, Nozaki, D, Tsuji, H, Ishikawa, J, Nakatani, T, Sakashita, T, ...

Molecular ion implanter equipped with liquid-metal alloy ion source (2000)

Gotoh, Y, Tsuji, H, Ishikawa, J

Criterion for decrease of electric field at ionization point of liquid-metal ion sources (2000)

Gotoh, Y, Tsuji, H, Ishikawa, J

A negative ion beam application to artificial formation of neuron network in culture (2000)

Tsuji, H, Sato, H, Baba, T, Gotoh, Y, Ishikawa, J

Neuron cell positioning on polystyrene in culture by silver-negative ion implantation and region control of neural outgrowth (2000)

Tsuji, H, Sato, H, Baba, T, Ikemura, S, Gotoh, Y, Ishikawa, J

Application of compact microwave ion source to low temperature growth of transition metal nitride thin films for vacuum microelectronics devices (2000)

Gotoh, Y, Tsuji, H, Ishikawa, J

Compact microwave ion source for extremely low energy ion irradiation system (2000)

Gotoh, Y, Kubo, H, Tsuji, H, Ishikawa, J

Negative-ion implanter for powders and its application to nanometer-sized metal particle formation in the surface of glass beads (2000)

Tsuji, H, Kido, S, Sasaki, H, Gotoh, Y, Ishikawa, J

Estimation of emission field and emission site of boron-doped diamond thin-film field emitters (2000)

Gotoh, Y, Kondo, T, Nagao, M, Tsuji, H, Ishikawa, J, Hayashi, K, ...

Topic-Based Mixture Language Modelling (2000)

Yoshihiko Gotoh, Steve Renals, Y. Gotoh

This paper describes an approach for constructing a mixture of language models based on simple statistical notions of semantics using probabilistic models developed for information retrieval. The...

Statistical Language Modelling - Warming Up (2000)

Y. Gotoh

14.4> ffl Spoken language: -- audio data. -- often spontaneous (e.g., conversation). -- many expressions that cannot be described by standard grammar. -- may be transcribed by human or speech...

Topic-Based Mixture Language Modelling (2000)

Yoshihiko Gotoh Steve, Steve Renals, Y. Gotoh

This paper describes an approach for constructing a mixture of language models based on simple statistical notions of semantics using probabilistic models developed for information retrieval. The...

Topic-based mixture language modelling (1999)

Gotoh, Y., Renals, S.

This paper describes an approach for constructing a mixture of language models based on simple statistical notions of semantics using probabilistic models developed for information retrieval. The...

Topic-based mixture language modelling (1999)

Gotoh, Y., Renals, S.

This paper describes an approach for constructing a mixture of language models based on simple statistical notions of semantics using probabilistic models developed for information retrieval. The...

Topic-based mixture language modelling (1999)

Gotoh, Y., Renals, S.

This paper describes an approach for constructing a mixture of language models based on simple statistical notions of semantics using probabilistic models developed for information retrieval. The...

Self-aligned formation of a vertical-type micro field emitter with a volcano-shaped gate electrode protruding towards the cathode by focused ion-beam sputter etching and deposition (1999)

Gotoh, Y, Fujita, N, Tsuji, H, Ishikawa, J, Nagamachi, S, Ueda, M

Efficient training algorithms for HMMs using incremental estimation (1998)

Gotoh, Y., Hochberg, M.M., Silverman, H.F.

Typically, parameter estimation for a hidden Markov model (HMM) is performed using an expectation-maximization (EM) algorithm with the maximum-likelihood (ML) criterion. The EM algorithm is an...

Stability is realization-dependent: some examples (1995)

Zwart, H.J., Yamamoto, Y., Gotoh, Y.

This paper gives some examples with the same impulse response, both approximately controllable and observable, but one of them is exponentially stable and the other is unstable. Some related spectral...

Stability is realization-dependent: some examples (1995)

Zwart, Dr. H.J., Yamamoto, Y., Gotoh, Y.

This paper gives some examples with the same impulse response, both approximately controllable and observable, but one of them is exponentially stable and the other is unstable. Some related spectral...

Stability is realization-dependent: some examples (1995)

Zwart, H.J., Yamamoto, Y., Gotoh, Y.

This paper gives some examples with the same impulse response, both approximately controllable and observable, but one of them is exponentially stable and the other is unstable. Some related spectral...

The fission yeast pmk1+ gene encodes a novel mitogen-activated protein kinase homolog which regulates cell integrity and functions coordinately with the protein kinase C pathway.

Toda, T, Dhut, S, Superti-Furga, G, Gotoh, Y, Nishida, E, Sugiura, R, ...

We have isolated a gene, pmk1+, a third mitogen-activated protein kinase (MAPK) gene homolog from the fission yeast Schizosaccharomyces pombe. The predicted amino acid sequence shows the most...

Structural rearrangement of integrated hepatitis B virus DNA as well as cellular flanking DNA is present in chronically infected hepatic tissues.

Takada, S, Gotoh, Y, Hayashi, S, Yoshida, M, Koike, K

Cellular DNAs from human livers chronically infected with hepatitis B virus (HBV) were analyzed by Southern blot hybridization for the presence of integrated HBV DNA. In 15 of 16 chronically infected...

A yeast mitogen-activated protein kinase homolog (Mpk1p) mediates signalling by protein kinase C.

Lee, K S, Irie, K, Gotoh, Y, Watanabe, Y, Araki, H, Nishida, E, ...

Mitogen-activated protein (MAP) kinases are activated in response to a variety of stimuli through a protein kinase cascade that results in their phosphorylation on tyrosine and threonine residues....

Schizosaccharomyces pombe Spk1 is a tyrosine-phosphorylated protein functionally related to Xenopus mitogen-activated protein kinase.

Gotoh, Y, Nishida, E, Shimanuki, M, Toda, T, Imai, Y, Yamamoto, M

Mitogen-activated protein kinase (MAPK) and its direct activator, MAPK kinase (MAPKK), have been suggested to play a pivotal role in a variety of signal transduction pathways in higher eukaryotes....

Requirement for the MAP kinase kinase/MAP kinase cascade in Xenopus oocyte maturation.

Kosako, H, Gotoh, Y, Nishida, E

MAP kinase kinase (MAPKK) has been identified as a protein factor that can induce phosphorylation and activation of inactive MAP kinase in vitro. In this study, we produced an anti-Xenopus MAPKK...

Involvement of the MAP kinase cascade in Xenopus mesoderm induction.

Gotoh, Y, Masuyama, N, Suzuki, A, Ueno, N, Nishida, E

Mitogen-activated protein kinase (MAPK) is activated by MAPK kinase (MAPKK) in a variety of signaling pathways. This kinase cascade has been shown to function in cell proliferation and...

cDNA cloning of MAP kinase kinase reveals kinase cascade pathways in yeasts to vertebrates.

Kosako, H, Nishida, E, Gotoh, Y

A Xenopus 45 kDa protein has been identified as an immediate upstream factor sufficient for full activation of MAP kinase, and is shown to be capable of undergoing autophosphorylation on serine,...

Xenopus M phase MAP kinase: isolation of its cDNA and activation by MPF.

Gotoh, Y, Moriyama, K, Matsuda, S, Okumura, E, Kishimoto, T, Kawasaki, H, ...

MAP kinase is activated and phosphorylated during M phase of the Xenopus oocyte cell cycle, and induces the interphase-M phase transition of microtubule dynamics in vitro. We have carried out...

Xenopus MAP kinase activator: identification and function as a key intermediate in the phosphorylation cascade.

Matsuda, S, Kosako, H, Takenaka, K, Moriyama, K, Sakai, H, Akiyama, T, ...

MAP kinase is thought to play a pivotal role not only in the growth factor-stimulated signalling pathway but also in the M phase phosphorylation cascade downstream of MPF. MAP kinase is fully active...

Xenopus MAP kinase activator is a serine/threonine/tyrosine kinase activated by threonine phosphorylation.

Kosako, H, Gotoh, Y, Matsuda, S, Ishikawa, M, Nishida, E

Xenopus MAP kinase activator, a 45 kDa protein, has been shown to function as a direct upstream factor sufficient for full activation and both tyrosine and serine/threonine phosphorylation of...

Regulation of a major microtubule-associated protein by MPF and MAP kinase.

Shiina, N, Moriguchi, T, Ohta, K, Gotoh, Y, Nishida, E

The interphase-M phase transition of microtubule dynamics is thought to be induced by phosphorylation reactions mediated by MPF and by MAP kinase functioning downstream of MPF. We have now identified...

A novel homo-oligomeric protein responsible for an MPF-dependent microtubule-severing activity.

Shiina, N, Gotoh, Y, Nishida, E

An activity that severs stable microtubules has previously been detected in M phase extracts, but not in interphase extracts, of Xenopus eggs. We show that incubation of interphase extracts with...

Interaction of MAP kinase with MAP kinase kinase: its possible role in the control of nucleocytoplasmic transport of MAP kinase.

Fukuda, M, Gotoh, Y, Nishida, E

The mitogen-activated protein kinase (MAPK) cascade consisting of MAPK and its direct activator, MAPK kinase (MAPKK), is essential for signaling of various extracellular stimuli to the nucleus. Upon...

A novel SAPK/JNK kinase, MKK7, stimulated by TNFalpha and cellular stresses.

Moriguchi, T, Toyoshima, F, Masuyama, N, Hanafusa, H, Gotoh, Y, Nishida, E

Stress-activated protein kinase (SAPK)/c-Jun N-terminal kinase (JNK), a member of the MAP kinase (MAPK) superfamily, is thought to play a key role in a variety of cellular responses. To date,...

Role of TAK1 and TAB1 in BMP signaling in early Xenopus development.

Shibuya, H, Iwata, H, Masuyama, N, Gotoh, Y, Yamaguchi, K, Irie, K, ...

Transforming growth factor-beta (TGF-beta) superfamily members elicit signals through stimulation of serine/threonine kinase receptors. Recent studies of this signaling pathway have identified two...

Caspase-mediated activation and induction of apoptosis by the mammalian Ste20-like kinase Mst1.

Graves, J D, Gotoh, Y, Draves, K E, Ambrose, D, Han, D K, Wright, M, ...

Mst1 is a ubiquitously expressed serine-threonine kinase, homologous to the budding yeast Ste20, whose physiological regulation and cellular function are unknown. In this paper we show that Mst1 is...

Electron microscopic and cytochemical studies of the thrombocytes of the tortoise (Geoclemys reevesii).

Daimon, T, Gotoh, Y, Uchida, K

The thrombocytes of the tortoise (Geoclemys reevesii) were studied at the electron microscopic level. The presence of a surface connected canalicular system, composed of numerous anastomosing...

In vivo induction of IgG anti-DNA antibody by autoreactive mixed haplotype A beta z/A alpha d MHC class II molecule-specific CD4+ T-cell clones.

Tokushima, M, Koarada, S, Hirose, S, Gotoh, Y, Nishimura, H, Shirai, T, ...

We characterized autoreactive T-cell clones derived from (NZB x NZW)F1 (B/WF1) mice. These autoreactive T-cell clones are shown to be CD4+ by immunofluorescence staining and to belong to Th2 type by...

Mechanisms of long-lasting effects of benidipine on Ca current in guinea-pig ventricular cells.

Yamamoto, M., Gotoh, Y., Imaizumi, Y., Watanabe, M.

1. Benidipine (KW-3049), a new derivative of 1,4-dihydropyridine (DHP), showed dose-dependent inhibition of Ca current (ICa) which was elicited by depolarization from -40 mV to +10 mV at 0.2 Hz in...