S. Murakami

Details der Publikationsliste

Zeitraum

1967 - 2009

Anzahl

250

Co-Autoren

Impurity control in helical reactor. (2008)

Igitkhanov, Yu., Sagara, A., Murakami, S., Sudo, S., Motojima, O.

Development of Physics and Technology of Stellarators/Heliotrons en route to DEMO : 18th Internat.Toki, Conf., Toki City, J, December 9-12, 2008

Assessment of impurity concentration in the helical reactor FFHR. (2008)

Igitkhanov, Yu., Sagara, A., Murakami, S., Sudo, S., Motojima, O.

Development of Physics and Technology of Stellarators/Heliotrons en route to DEMO : 18th Internat.Toki, Conf., Toki City, J, December 9-12, 2008

Calculation of the runaway electrons stopping power in ITER. (2008)

Igitkhanov, Yu., Bazelev, B., Murakami, S.

Development of Physics and Technology of Stellarators/Heliotrons en route to DEMO : 18th Internat.Toki, Conf., Toki City, J, December 9-12, 2008

Intrinsic spin Hall effect in platinum metal (2007)

Guo, G. Y., Murakami, S., Nagaosa, N.

Spin Hall effect in metallic Pt is studied with first-principles relativistic band calculations. It is found that intrinsic spin Hall conductivity (SHC) is as large as $\sim 2000 (\hbar/e)(\Omega...

The modern and glacial overturning circulation in the Atlantic ocean in PMIP coupled model simulations (2007)

S. L. Weber, S. S. Drijfhout, A. Abe-Ouchi, M. Crucifix, M. Eby, A. Ganopolski, ...

This study analyses the response of the Atlantic meridional overturning circulation (AMOC) to LGM forcings and boundary conditions in nine PMIP coupled model simulations, including both GCMs and...

The modern and glacial overturning circulation in the Atlantic ocean in PMIP coupled model simulations (2007)

Weber, S. L., Drijfhout, S. S., Abe-Ouchi, A., Crucifix, M., Eby, M., Ganopolski, A., ...

This study analyses the response of the Atlantic meridional overturning circulation (AMOC) to LGM forcings and boundary conditions in nine PMIP coupled model simulations, including both GCMs and...

The modern and glacial overturning circulation in the Atlantic ocean in PMIP coupled model simulations (2007)

Weber, S. L., Drijfhout, S. S., Abe-Ouchi, A., Crucifix, M., Eby, M., Ganopolski, A., ...

This study analyses the response of the Atlantic meridional overturning circulation (AMOC) to LGM forcings and boundary conditions in nine PMIP coupled model simulations, including both GCMs and...

The Effect of β-Adrenoceptor Agonists on Detrusor Contraction in the Presence and Absence of Urothelium (2006)

Murakami, S., Chapple, Christopher R., Akino, H., Chess-Williams, Russ

It is known that stimulating muscarinic receptors in bladder urothelium causes the release of nitric oxide and an unidentified diffusible factor that inhibits contractions of the detrusor muscle. The...

The Effect of β-Adrenoceptor Agonists on Detrusor Contraction in the Presence and Absence of Urothelium (2006)

Murakami, S., Chapple, Christopher R., Akino, H., Chess-Williams, Russ

It is known that stimulating muscarinic receptors in bladder urothelium causes the release of nitric oxide and an unidentified diffusible factor that inhibits contractions of the detrusor muscle. The...

The role of the urothelium in mediating bladder responses to isoprenaline (2006)

Murakami, S., Chapple, C. R., Akino, H., Sellers, D. J., Chess-Williams, R.

OBJECTIVES To investigate whether the responses of the pig bladder to isoprenaline (a nonselective β-adrenoceptor agonist) are influenced by the presence of an intact urothelium and whether any...

The Effect of β-Adrenoceptor Agonists on Detrusor Contraction in the Presence and Absence of Urothelium (2006)

Murakami, S., Chapple, Christopher R., Akino, H., Chess-Williams, Russ

It is known that stimulating muscarinic receptors in bladder urothelium causes the release of nitric oxide and an unidentified diffusible factor that inhibits contractions of the detrusor muscle. The...

The modern and glacial overturning circulation in the Atlantic ocean in PMIP coupled model simulations (2006)

Weber, S. L., Drijfhout, S. S., Abe-Ouchi, A., Crucifix, M., Eby, M., Ganopolski, A., ...

The simulation of the Atlantic thermohaline circulation (THC) during the Last Glacial Maximum (LGM) provides an important benchmark for models used to predict future climatic changes. This study...

The modern and glacial overturning circulation in the Atlantic ocean in PMIP coupled model simulations (2006)

Weber, S. L., Drijfhout, S. S., Abe-Ouchi, A., Crucifix, M., Eby, M., Ganopolski, A., ...

The simulation of the Atlantic thermohaline circulation (THC) during the Last Glacial Maximum (LGM) provides an important benchmark for models used to predict future climatic changes. This study...

The Effect of β-Adrenoceptor Agonists on Detrusor Contraction in the Presence and Absence of Urothelium (2006)

Murakami, S., Chapple, Christopher R., Akino, H., Chess-Williams, Russ

It is known that stimulating muscarinic receptors in bladder urothelium causes the release of nitric oxide and an unidentified diffusible factor that inhibits contractions of the detrusor muscle. The...

Extranuclear expression of hormone receptors in primary breast cancer (2006)

Kim, R., Kaneko, M., Arihiro, K., Emi, M., Tanabe, K., Murakami, S., ...

Background: Hormone receptor (HR)-positive breast cancer cells grow through estrogen receptor (ER)-signaling pathways that mediate both genomic and nongenomic actions, which cross-talk with growth...

Extranuclear expression of hormone receptors in primary breast cancer (2006)

Kim, R., Kaneko, M., Arihiro, K., Emi, M., Tanabe, K., Murakami, S., ...

Background: Hormone receptor (HR)-positive breast cancer cells grow through estrogen receptor (ER)-signaling pathways that mediate both genomic and nongenomic actions, which cross-talk with growth...

Stabilization mechanism of edge states in graphene (2005)

Sasaki, K., Murakami, S., Saito, R.

It has been known that edge states of a graphite ribbon are zero-energy, localized eigen-states. We show that next nearest-neighbor hopping process decreases the energy of the edge states at zigzag...

A model intercomparison of changes in the Atlantic thermohaline circulation in response to increasing atmospheric CO2 concentration (2005)

Gregory,J. M., Dixon,K. W., Stouffer,R. J., Weaver,A. J., Driesschaert,E., Eby,M., ...

As part of the Coupled Model Intercomparison Project, integrations with a common design have been undertaken with eleven different climate models to compare the response of the Atlantic thermohaline...

Controlling edge states of zigzag carbon nanotubes by the Aharonov-Bohm flux (2005)

Sasaki, K., Murakami, S., Saito, R., Kawazoe, Y.

It has been known theoretically that localized states exist around zigzag edges of a graphite ribbon and of a carbon nanotube, whose energy eigenvalues are located between conduction and valence...

Overview of confinement and MHD stability in the Large Helical Device (2005)

Motojima,O., Ida,K., Watanabe,K. Y., Nagayama,Y., Komori,A., Morisaki,T., ...

This article based on the 2004 Fusion Energy Conference contributions (Vilamoura, Portugal, 1-6 November 2004)

A model intercomparison of changes in the Atlantic thermohaline circulation in response to increasing atmospheric CO2 concentration (2005)

Gregory, J. M., Dixon, K. W., Stouffer, R. J., Weaver, A. J., Driesschaert, E., Eby, M., ...

As part of the Coupled Model Intercomparison Project, integrations with a common design have been undertaken with eleven different climate models to compare the response of the Atlantic thermohaline...

Effects of global MHD instability on operational high beta-regime in LHD (2005)

Watanabe, K. Y., Sakakibara, S., Narushima, Y., Funaba, H., Narihara, K., Tanaka, K., ...

In the Large Helical Device (LHD), the highest operational averaged beta value has been expanded from 3.2% to 4% in the last 2 years by increasing the heating capability and exploring a new magnetic...

Extension and its characteristics of ECRH plasma in the LHD (2004)

Kubo, Shin, Shimozuma, T., Yoshimura, Y., Notake, T., Inagaki, S., Yokoyama, M., ...

One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state....

Extension and its characteristics of ECRH plasma in the LHD (2004)

Kubo, Shin, Shimozuma, T., Yoshimura, Y., Notake, T., Inagaki, S., Yokoyama, M., ...

One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state....

Fractional Flux Periodicity in Doped Carbon Nanotubes (2004)

Sasaki, K., Murakami, S., Saito, R.

An anomalous magnetic flux periodicity of the ground state is predicted in two-dimensional cylindrical surface composed of square and honeycomb lattice. The ground state and persistent currents...

Extension and its characteristics of ECRH plasma in the LHD (2004)

Kubo, Shin, Shimozuma, T., Yoshimura, Y., Notake, T., Idei, H., Inagaki, S., ...

One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state....

Extension and its characteristics of ECRH plasma in the LHD (2004)

Kubo, Shin, Shimozuma, T., Yoshimura, Y., Notake, T., Idei, H., Inagaki, S., ...

One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state....

Extension and its characteristics of ECRH plasma in the LHD (2004)

Kubo, Shin, Shimozuma, T., Yoshimura, Y., Notake, T., Inagaki, S., Yokoyama, M., ...

One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state....

Extension and its characteristics of ECRH plasma in the LHD (2004)

Kubo, Shin, Shimozuma, T., Yoshimura, Y., Notake, T., Idei, H., Inagaki, S., ...

One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state....

Extension and its characteristics of ECRH plasma in the LHD (2004)

Kubo, Shin, Shimozuma, T., Yoshimura, Y., Notake, T., Idei, H., Inagaki, S., ...

One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state....

Extension and its characteristics of ECRH plasma in the LHD (2004)

Kubo, Shin, Shimozuma, T., Yoshimura, Y., Notake, T., Inagaki, S., Yokoyama, M., ...

One of the main objectives of the LHD is to extend the plasma confinement database for helical systems and to demonstrate such extended plasma confinement properties to be sustained in steady state....

Confinement characteristics of the quasi-axisymmetric stellarator CHS-qa (2004)

Okamura, S., Matsuoka, K., Nishimura, S., Isobe, M., Suzuki, C., Shimuzu, A., ...

A low aspect ratio stellarator CHS-qa with a quasi-axisymmetric configuration has been designed at NIFS, whose main objective is the experimental study of confinement improvement. The high beta...

Review on the progress of the LHD experiment (2004)

Motojima, O., Yamada, H., Komori, A., Watanabe, K. Y., Mutoh, T., Takeiri, Y., ...

Recent progress in the Large Helical Device (LHD) experiment during the last 2 yr is reviewed. The LHD has been extending its operational regime toward fusion-relevant conditions while taking...

Expression level of valosin-containing protein (VCP) as a prognostic marker for gingival squamous cell carcinoma (2004)

Yamamoto, S., Tomita, Y., Hoshida, Y., Toyosawa, S., Inohara, H., Kishino, M., ...

Background: Valosin-containing protein (VCP) is associated with anti-apoptotic function and metastasis via activation of the nuclear factor-κB signaling pathway. In the present study, association of...

A demonstration of magnetic field optimization in LHD (2003)

Murakami,S., Yamada,H., Wakasa,A., Sasao,M., Isobe,M., Ozaki,T., ...

The behaviors of trapped particles in helical ripples are complicated and would enhance the radial transport of energetic particles and thermal plasma (neoclassical transport) in heliotrons. Thus the...

MHD instabilities and their effects on plasma confinement in the large helical device plasmas (2003)

Toi,K., Ohdachi,S., Yamamoto,S., Nakajima,N., Sakakibara,S., Watanabe,K. Y., ...

MHD stability of NBI heated plasmas and impacts of MHD modes on plasma confinement are intensively studied in the Large Helical Device (LHD). Three characteristic MHD instabilities were observed,...

Impurity transport model for the normal confinement and high density H-mode discharges in Wendelstein 7-AS (2003)

Ida,K., Burhenn,R., McCormick,K., Pasch,E., Yamada,H., Yoshinuma,M., ...

An impurity transport model based on diffusivity and the radial convective velocity is proposed as a first approach to explain the differences in the time evolution of Al XII (0.776 nm), Al XI (55...

A demonstration of magnetic field optimization in LHD (2003)

Murakami, S., Yamada, H., Wakasa, A., Sasao, M., Isobe, M., Ozaki, T., ...

The behaviors of trapped particles in helical ripples are complicated and would enhance the radial transport of energetic particles and thermal plasma (neoclassical transport) in heliotrons. Thus the...

MHD instabilities and their effects on plasma confinement in the large helical device plasmas (2003)

Toi, K., Ohdachi, S., Yamamoto, S., Nakajima, N., Sakakibara, S., Watanabe, K. Y., ...

MHD stability of NBI heated plasmas and impacts of MHD modes on plasma confinement are intensively studied in the Large Helical Device (LHD). Three characteristic MHD instabilities were observed,...

Impurity transport model for the normal confinement and high density H-mode discharges in Wendelstein 7-AS (2003)

Ida, K., Burhenn, R., McCormick, K., Pasch, E., Yamada, H., Yoshinuma, M., ...

An impurity transport model based on diffusivity and the radial convective velocity is proposed as a first approach to explain the differences in the time evolution of Al XII (0.776 nm), Al XI (55...

Impact of heat deposition profile on global confinement of NBI heated plasmas in the LHD (2003)

Yamada, H., Murakami, S., Yamazaki, K., Kaneko, O., Miyazawa, J., Sakamoto, R., ...

Energy confinement and heat transport of net-current-free NBI heated plasmas in the large helical device (LHD) are discussed with emphasis on density and power deposition profile dependences....

Recent advances in the LHD experiment (2003)

Motojima, O., Ohyabu, N., Komori, A., Kaneko, O., Yamada, H., Kawahata, K., ...

In the first four years of the LHD experiment, several encouraging results have emerged, the most significant of which is that MHD stability and good transport are compatible in the inward shifted...

Neoclassical transport optimization of LHD (2002)

Murakami,S., Wakasa,A., Maaßberg,H., Beidler,C. D., Yamada,H., Watanabe,K. Y., ...

Neoclassical transport is studied for large helical device (LHD) configurations in which the magnetic axis has been shifted radially by determining the mono-energetic transport coefficient and the...

Study of acceleration and confinement of high-energy protons during ICRF and NBI heating in LHD using a natural diamond detector (2002)

Krasilnikov,A. V., Sasao,M., Isobe,M., Kumazawa,R., Mutoh,T., Takeiri,Y., ...

Energetic tail formation by ion-cyclotron-range-of-frequencies (ICRF) heating was studied in the large helical device (LHD), by measuring high-energy charge-exchange atom spectra with a specially...

Study of acceleration and confinement of high-energy protons during ICRF and NBI heating in LHD using a natural diamond detector (2002)

Krasilnikov, A. V., Sasao, M., Isobe, M., Kumazawa, R., Mutoh, T., Takeiri, Y., ...

Energetic tail formation by ion-cyclotron-range-of-frequencies (ICRF) heating was studied in the large helical device (LHD), by measuring high-energy charge-exchange atom spectra with a specially...

Neoclassical transport optimization of LHD (2002)

Murakami, S., Wakasa, A., Maaßberg, H., Beidler, C. D., Yamada, H., Watanabe, K. Y., ...

Neoclassical transport is studied for large helical device (LHD) configurations in which the magnetic axis has been shifted radially by determining the mono-energetic transport coefficient and the...

Microinstability studies for the large helical device (2002)

Rewoldt, G., Ku, L. P., Tang, W. M., Sugama, H., Nakajima, N., Watanabe, K. Y., ...

Fully kinetic assessments of the stability properties of toroidal drift modes have been obtained for cases for the large helical device (LHD). This calculation employs the comprehensive linear...

Configuration flexibility and extended regimes in Large Helical Device (2001)

Yamada, H., Komori, A., Ohyabu, N., Kaneko, O., Kawahata, K., Watanabe, K. Y., ...

Recent experimental results in the Large Helical Device have indicated that a large pressure gradient can be formed beyond the stability criterion for the Mercier (high-n) mode. While the stability...

MHD characteristics in the high beta regime of the Large Helical Device (2001)

Sakakibara, S., Yamada, H., Watanabe, K., Narushima, Y., Toi, K., Ohdachi, S., ...

The highest volume averaged beta values beta (t) of 2.2% at B-t = 0.75 T (gas puff) and 2.4% at D-t = 1.3 T (pellet) in helical devices have been achieved in LHD. The beta (t) dependence of MHD...

Drift mode calculations for the Large Helical Device (2000)

Rewoldt, G., Ku, L. P., Tang, W. M., Sugama, H., Nakajima, N., Watanabe, K. Y., ...

A fully kinetic assessment of the stability properties of toroidal drift modes has been obtained for a case for the Large Helical Device [A. Iiyoshi et al., Nucl. Fusion 39, 1245 (1999)]. This...

Role of Orbitals in Manganese Oxides - Ordering and Fluctuation (1999)

Maezono, R., Murakami, S., Nagaosa, N., Ishihara, S., Yamanaka, M., Lee, H. C.

We study the manganese oxides from the viewpoint of the strongly correlated doped Mott insulator. The magnetic ordering and the charge transport are governed by the orbital degrees of freedom, and...

THE THERMODYNAMIC PROPERTIES OF BINARY AROMATIC SYSTEMS. II. EXCESS ENTHALPIES AND VOLUMES OF BENZENE + TOLUENE AND TOLUENE + ISOMERIC XYLENE MIXTURES AT 25C, (1998)

Murakami,S., Lam,V. T., Benson,G. C.

Excess enthalpies and volumes of the four binary systems formed by mixing toluene with benzene, o-xylene, m-xylene, and p-xylene were measured at 25C. These results along with similar results for...

AN ISOTHERMAL DILUTION CALORIMETER FOR MEASURING ENTHALPIES OF MIXING, (1998)

Murakami,S., Benson,G. C.

Anisothermal dilution calorimeter of the Van Ness type is described. The calorimeter is suitable for studying either endothermic or exothermic mixing. Results of measurements of enthalpies of mixing...

THE THERMODYNAMIC PROPERTIES OF BINARY AROMATIC SYSTEMS. III. EXCESS ENTHALPIES AND VOLUMES OF ISOMERIC XYLENE MIXTURES AT 25 C, (1998)

Lam,V. T., Murakami,S., Benson,G. C.

Excess enthalpies and excess volumes were measured at 25C for the systems o-xeylene+m-xylene, o-xylene+p-xylene, and m-xylene+p-xylene. Analyses of the results in terms of the theories of Flory and...

Creep After Cyclic-Plasticity Under Multiaxial Conditions for Type 316 Stainless Steel at Elevated Temperature. (1998)

Murakami, S., Kawai, M., Yamada, Y.

History effects of cyclic-plasticity on subsequent creep under multiaxial states of stress have been elucidated for type 316 stainless steel at 600 C; tension-compression and circular strain paths...

ASCA Observations of the Composite Warm Absorber in NGC 3516 (1996)

Kriss, G. A., Krolik, J. H., Otani, C., Espey, B. R., Turner, T. J., Kii, T., ...

We obtained X-ray spectra of the Seyfert 1 galaxy NGC~3516 in March 1995 using ASCA. Simultaneous far-UV observations were obtained with HUT on the Astro-2 shuttle mission. The ASCA spectrum shows a...

LIPIDS AND LIGHT-DEPENDENT SWELLING OF ISOLATED SPINACH CHLOROPLASTS (1967)

MURAKAMI, S., NOBEL, P. S.

The light-dependent high-amplitude swelling of spinach chloroplasts suspended in 175 mM NaCl buffered with 50 mM Tris-HCl (pH 7.9) was investigated by a packed weight technique and by electron...

A Phosphonate-Induced Gene Which Promotes Penicillium-Mediated Bioconversion of cis-Propenylphosphonic Acid to Fosfomycin

Watanabe, M., Sumida, N., Murakami, S., Anzai, H., Thompson, C. J., Tateno, Y., ...

Penicillium decumbens is able to epoxidize cis-propenylphosphonic acid (cPA) to produce the antibiotic fosfomycin [FOM; also referred to as phosphonomycin and (−)-cis-1,2-epoxypropylphosphonic...

A novel protein with DNA binding activity from tobacco chloroplast nucleoids.

Nakano, T, Murakami, S, Shoji, T, Yoshida, S, Yamada, Y, Sato, F

A 41-kD DNA binding protein with a basic pl was purified from chloroplast nucleoids in photomixotrophically cultured tobacco cells, and its amino acid sequence was determined. Using this sequence...

Hepatitis C virus envelope proteins bind lactoferrin.

Yi, M, Kaneko, S, Yu, D Y, Murakami, S

Hepatitis C virus (HCV) has two envelope proteins, E1 and E2, which form a heterooligomer. During dissection of interacting regions of HCV E1 and E2, we found the presence of an interfering compound...

Structure and organization of the hepatitis C virus genome isolated from human carriers.

Takamizawa, A, Mori, C, Fuke, I, Manabe, S, Murakami, S, Fujita, J, ...

Hepatitis C virus (HCV) is a major causative agent of posttransfusion non-A, non-B hepatitis, which often develops into malignant chronic diseases, including liver cirrhosis and hepatocellular...

Nucleotide sequence of a cloned woodchuck hepatitis virus genome: evolutional relationship between hepadnaviruses.

Kodama, K, Ogasawara, N, Yoshikawa, H, Murakami, S

We have determined the complete nucleotide sequence of a cloned DNA of woodchuck hepatitis virus (WHV), the most oncogenic virus among hepadnaviruses. The genome, designated WHV2, is 3,320 base pairs...

A low copy number central sequence with strict symmetry and unusual chromatin structure in fission yeast centromere.

Takahashi, K, Murakami, S, Chikashige, Y, Funabiki, H, Niwa, O, Yanagida, M

Fission yeast centromeres vary in size but are organized in a similar fashion. Each consists of two distinct domains, namely, the approximately 15-kilobase (kb) central region (cnt+imr), containing...

Saccharomyces cerevisiae spheroplasts are sensitive to the action of diphtheria toxin.

Murakami, S, Bodley, J W, Livingston, D M

Diphtheria toxin kills spheroplasts of Saccharomyces cerevisiae but not the intact yeast cells. After 2 h of exposure to ca. 10(-7) M toxin, less than 1% of spheroplasts were able to regenerate into...

Human RPB5, a subunit shared by eukaryotic nuclear RNA polymerases, binds human hepatitis B virus X protein and may play a role in X transactivation.

Cheong, J H, Yi, M, Lin, Y, Murakami, S

The X gene of human hepatitis B virus encodes the polypeptide HBx which transactivates viral and host genes through a variety of cis-acting enhancer elements present in RNA polymerases I, II and III...

A new device for the treatment of coloproctostomic stricture after double stapling anastomoses.

Shimada, S, Matsuda, M, Uno, K, Matsuzaki, H, Murakami, S, Ogawa, M

OBJECTIVE: A new device of staple cutter was developed to evaluate the clinical effect for the treatment of rectal stricture after the double stapling anastomosis. SUMMARY BACKGROUND DATA: The double...

A Genetic Pathway Conferring Life Extension and Resistance to Uv Stress in Caenorhabditis Elegans

Murakami, S., Johnson, T. E.

A variety of mechanisms have been proposed to explain the extension of adult life span (Age) seen in several mutants in Caenorhabditis elegans (age-1: an altered aging rate; daf-2 and daf-23:...

A Phosphonate-Induced Gene Which Promotes Penicillium-Mediated Bioconversion of cis-Propenylphosphonic Acid to Fosfomycin

Watanabe, M., Sumida, N., Murakami, S., Anzai, H., Thompson, C. J., Tateno, Y., ...

Penicillium decumbens is able to epoxidize cis-propenylphosphonic acid (cPA) to produce the antibiotic fosfomycin [FOM; also referred to as phosphonomycin and (−)-cis-1,2-epoxypropylphosphonic...

A novel protein with DNA binding activity from tobacco chloroplast nucleoids.

Nakano, T, Murakami, S, Shoji, T, Yoshida, S, Yamada, Y, Sato, F

A 41-kD DNA binding protein with a basic pl was purified from chloroplast nucleoids in photomixotrophically cultured tobacco cells, and its amino acid sequence was determined. Using this sequence...

Hepatitis C virus envelope proteins bind lactoferrin.

Yi, M, Kaneko, S, Yu, D Y, Murakami, S

Hepatitis C virus (HCV) has two envelope proteins, E1 and E2, which form a heterooligomer. During dissection of interacting regions of HCV E1 and E2, we found the presence of an interfering compound...

Structure and organization of the hepatitis C virus genome isolated from human carriers.

Takamizawa, A, Mori, C, Fuke, I, Manabe, S, Murakami, S, Fujita, J, ...

Hepatitis C virus (HCV) is a major causative agent of posttransfusion non-A, non-B hepatitis, which often develops into malignant chronic diseases, including liver cirrhosis and hepatocellular...

Nucleotide sequence of a cloned woodchuck hepatitis virus genome: evolutional relationship between hepadnaviruses.

Kodama, K, Ogasawara, N, Yoshikawa, H, Murakami, S

We have determined the complete nucleotide sequence of a cloned DNA of woodchuck hepatitis virus (WHV), the most oncogenic virus among hepadnaviruses. The genome, designated WHV2, is 3,320 base pairs...

A low copy number central sequence with strict symmetry and unusual chromatin structure in fission yeast centromere.

Takahashi, K, Murakami, S, Chikashige, Y, Funabiki, H, Niwa, O, Yanagida, M

Fission yeast centromeres vary in size but are organized in a similar fashion. Each consists of two distinct domains, namely, the approximately 15-kilobase (kb) central region (cnt+imr), containing...

Saccharomyces cerevisiae spheroplasts are sensitive to the action of diphtheria toxin.

Murakami, S, Bodley, J W, Livingston, D M

Diphtheria toxin kills spheroplasts of Saccharomyces cerevisiae but not the intact yeast cells. After 2 h of exposure to ca. 10(-7) M toxin, less than 1% of spheroplasts were able to regenerate into...

Human RPB5, a subunit shared by eukaryotic nuclear RNA polymerases, binds human hepatitis B virus X protein and may play a role in X transactivation.

Cheong, J H, Yi, M, Lin, Y, Murakami, S

The X gene of human hepatitis B virus encodes the polypeptide HBx which transactivates viral and host genes through a variety of cis-acting enhancer elements present in RNA polymerases I, II and III...

A Genetic Pathway Conferring Life Extension and Resistance to Uv Stress in Caenorhabditis Elegans

Murakami, S., Johnson, T. E.

A variety of mechanisms have been proposed to explain the extension of adult life span (Age) seen in several mutants in Caenorhabditis elegans (age-1: an altered aging rate; daf-2 and daf-23:...

A new device for the treatment of coloproctostomic stricture after double stapling anastomoses.

Shimada, S, Matsuda, M, Uno, K, Matsuzaki, H, Murakami, S, Ogawa, M

OBJECTIVE: A new device of staple cutter was developed to evaluate the clinical effect for the treatment of rectal stricture after the double stapling anastomosis. SUMMARY BACKGROUND DATA: The double...

T-cell-derived factor B151-TRF1/IL-5 activates blastoid cells among unprimed B cells to induce a polyclonal differentiation into immunoglobulin M-secreting cells.

Murakami, S, Ono, S, Harada, N, Hara, Y, Katoh, Y, Dobashi, K, ...

Two distinct murine B-cell differentiation factors, designated B151-TRF1 and B151-TRF2, were described originally as B151K12 T-cell hybridoma-derived lymphokines that induce immunoglobulin (Ig)...

Different effect of prostaglandin E2 on B-cell activation by two distinct B-cell differentiation factors, B151-TRF1/IL-5 and B151-TRF2: selective inhibition of B151-TRF2-induced antibody response through increases in intracellular cyclic AMP levels

Ishihara, K., Ono, S., Takahama, Y., Hirayama, F., Hirano, H., Itoh, K., ...

Effects of prostaglandin E2 (PGE2) on murine B-cell activation induced by two distinct B-cell differentiation factors, B151-TRF1/IL-5 and B151-TRF2, were examined. A final differentiation of unprimed...

Interferon-gamma-dependent immunosuppressive effects of human gingival fibroblasts.

Shimabukuro, Y, Murakami, S, Okada, H

Immunoregulatory functions of human gingival fibroblasts (HGF) were examined. As in fibroblasts isolated from other tissues, HGF were activated with interferon-gamma (IFN-gamma) to express HLA-DR...

Very late antigen integrins are involved in the adhesive interaction of lymphoid cells to human gingival fibroblasts.

Murakami, S, Saho, T, Shimabukuro, Y, Isoda, R, Miki, Y, Okada, H

To date, it is still unclear how the trafficking and retention of activated lymphocytes in periodontal lesions are regulated. In this study, we investigated the molecular basis for the adhesive...

Keratin in human lung tumors. Patterns of localization of different-molecular-weight keratin proteins.

Said, J. W., Nash, G., Banks-Schlegel, S., Sassoon, A. F., Murakami, S., Shintaku, I. P.

In this immunohistochemical study, antiserums to different molecular weight keratin proteins (45kd, 46kd, 55kd, and 63kd) were utilized to determine the profiles of keratin proteins present in a...

Problems in health management of professional boxers in Japan

Ohhashi, G, Tani, S, Murakami, S, Kamio, M, Abe, T, Ohtuki, J, ...

Objective: To investigate whether the incidence of boxing accidents is higher in Japan than in other countries.

Effects of preventive health services on survival of the elderly living in a community in Osaka, Japan.

Nakanishi, N, Tatara, K, Tatatorige, T, Murakami, S, Shinsho, F

STUDY OBJECTIVE: To examine the relationships between the use of preventive health services--such as health checks, basic health examination/cancer screening, and daily preventive health...

Protein crystallization in a 100 nl solution with new stirring equipment

Maki, S., Murai, R., Yoshikawa, H. Y., Kitatani, T., Nakata, S., Kawahara, H., ...

To investigate quantitatively the effects of stirring on protein crystallization, a new stirring system which can agitate a protein solution, ∼100 nl, by providing Hagen–Poiseuille flow has...

Vascular endothelial growth factor and lymph node metastasis in primary lung cancer.

Ohta, Y., Watanabe, Y., Murakami, S., Oda, M., Hayashi, Y., Nonomura, A., ...

The relationship between vascular endothelial growth factor (VEGF) and lymph node metastasis was studied in 90 cases of primary lung cancer without distant metastasis. As a result of quantitative...