M. Arita

Publication List Details

Period

1985 - 2009

Number

84

Co-Authors

Enhanced superconducting gaps in the tri-layer high-$T_c$ cuprate Bi$_2$Sr$_2$Ca$_2$Cu$_3$O$_{10+\delta}$ (2009)

Ideta, S., Takashima, K., Hashimoto, M., Yoshida, T., Fujimori, A., Anzai, H., ...

We have investigated the optimally doped tri-layer cuprate Bi$_2$Sr$_2$Ca$_2$Cu$_3$O$_{10+\delta}$ (Bi2223) by angle-resolved photoemission spectroscopy, and observed energy bands and Fermi surfaces...

The orbital characters of bands in iron-based superconductor BaFe1.85Co0.15As2 (2009)

Zhang, Y., Zhou, B., Chen, F., Wei, J., Xu, M., Yang, L. X., ...

Multiple 3d orbitals contribute to the low energy electronic structure in the newly discovered iron-based superconductors. The specific orbital characters of the multi-bands are crucial in...

Correlation effects of exchange splitting and coexistence of spin-density-wave and superconductivity in single crystalline Sr1-xKxFe2As2 (2008)

Zhang, Y., Wei, J., Ou, H. W., Zhao, J. F., Zhou, B., Chen, F., ...

The nature of spin-density wave and its relation with superconductivity are crucial issues in the newly discovered Fe-based high temperature superconductors. Particularly it is unclear whether the...

An Isotopic Fingerprint of Electron-Phonon Coupling in High-Tc Cuprates (2008)

Iwasawa, H., Douglas, J. F., Sato, K., Masui, T., Yoshida, Y., Sun, Z., ...

Angle-resolved photoemission spectroscopy with low-energy tunable photons along the nodal direction of oxygen isotope substituted Bi2Sr2CaCu2O8+delta reveals a distinct oxygen isotope shift near the...

Electronic structure and exotic exchange splitting in spin-density-wave states of BaFe$_2$As$_2$ (2008)

Yang, L. X., Zhang, Y., Ou, H. W., Zhao, J. F., Shen, D. W., Zhou, B., ...

The magnetic properties in the parent compounds are often intimately related to the microscopic mechanism of superconductivity. Here we report the first direct measurements on the electronic...

Novel electronic structure induced by a highly strained oxide interface with incommensurate crystal fields (2008)

Ou, H. W., Zhao, J. F., Zhang, Y., Xie, B. P., Shen, D. W., Zhu, Y., ...

The misfit oxide, Bi$_{2}$Ba$_{1.3}$K$_{0.6}$Co$_{2.1}$O$_{y}$, made of alternating rocksalt-structured [BiO/BaO] layers and hexagonal CoO$_{2}$ layers, was studied by angle-resolved photoemission...

Primary role of the barely occupied states in the charge density wave formation of NbSe2 (2008)

Shen, D. W., Zhang, Y., Yang, L. X., Wei, J., Ou, H. W., Dong, J. K., ...

NbSe2 is a prototypical charge-density-wave (CDW) material, whose mechanism remains mysterious so far. With angle resolved photoemission spectroscopy, we mapped out the CDW gap and recovered the...

Doping-insensitive density-of-states suppression in polycrystalline iron-based superconductor SmO$_{1-x}$F$_{x}$FeAs (2008)

Ou, H. W., Zhang, Y., Zhao, J. F., Wei, J., Shen, D. W., Zhou, B., ...

We investigated the temperature dependence of the density-of-states in the iron-based superconductor SmO_1-xF_xFeAs (x=0, 0.12, 0.15, 0.2) with high resolution angle-integrated photoemission...

Superconducting coherence peak in the electronic excitations of a single layer cuprate superconductor $Bi_2 Sr_{1.6} La_{0.4} Cu O_{6+\delta}$ (2008)

Wei, J., Zhang, Y., Ou, H. W., Xie, B. P., Shen, D. W., Zhao, J. F., ...

Angle resolved photoemission spectroscopy study is reported on a high quality optimally doped Bi2Sr1.6La0.4CuO6+delta high Tc superconductor. In the antinodal region with maximal d-wave gap, the...

Structural and electromagnetic characterizations of Fe-SrF2 granular films (2006)

Hosoya, H., Arita, M., Hamada, K., Takahashi, Y., Higashi, K., Oda, K., ...

We investigate composite Fe–SrF2 films to explore new materials showing the granular-type tunnelling magnetoresistance (TMR) effect. The films are composed of Fe nano-particles embedded in a SrF2...

Evolution of the Electronic Structure of 1T-CuxTiSe2 (2006)

Zhao, J. F., Ou, H. W., Wu, G., Xie, B. P., Zhang, Y., Shen, D. W., ...

The electronic structure of a new charge-density-wave/ superconductor system, 1T-CuxTiSe2, has been studied by photoemission spectroscopy. A correlated semiconductor band structure is revealed for...

Spin-dependent tunneling characteristics of fully epitaxial magnetic tunneling junctions with a full-Heusler alloy Co[sub 2]MnSi thin film and a MgO tunnel barrier (2006)

Ishikawa, T., Marukame, T., Kijima, H., Uemura, T., Arita, M., ...

Fully epitaxial, exchange-biased magnetic tunnel junctions (MTJs) were fabricated with a Co-based full-Heusler alloy Co2MnSi (CMS) thin film as a lower electrode, a MgO tunnel barrier, and a Co50Fe50...

Spin-dependent tunneling characteristics of fully epitaxial magnetic tunneling junctions with a full-Heusler alloy Co[sub 2]MnSi thin film and a MgO tunnel barrier (2006)

Ishikawa, T., Marukame, T., Kijima, H., Uemura, T., Arita, M., ...

Fully epitaxial, exchange-biased magnetic tunnel junctions (MTJs) were fabricated with a Co-based full-Heusler alloy Co2MnSi (CMS) thin film as a lower electrode, a MgO tunnel barrier, and a Co50Fe50...

Spin-dependent tunneling characteristics of fully epitaxial magnetic tunneling junctions with a full-Heusler alloy Co[sub 2]MnSi thin film and a MgO tunnel barrier (2006)

Ishikawa, T., Marukame, T., Kijima, H., Uemura, T., Arita, M., ...

Fully epitaxial, exchange-biased magnetic tunnel junctions (MTJs) were fabricated with a Co-based full-Heusler alloy Co2MnSi (CMS) thin film as a lower electrode, a MgO tunnel barrier, and a Co50Fe50...

High-energy scale revival and giant kink in the dispersion of a cuprate superconductor (2006)

Xie, B. P., Yang, K., Shen, D. W., Zhao, J. F., Ou, H. W., Wei, J., ...

In the present photoemission study of a cuprate superconductor Bi1.74Pb0.38Sr1.88CuO6+delta, we discovered a large scale dispersion of the lowest band, which unexpectedly follows the band structure...

Unmasking the nodal quasiparticle dynamics in cuprate superconductors using low-energy photoemission (2006)

Yamasaki, T., Yamazaki, K., Ino, A., Arita, M., Namatame, H., Taniguchi, M., ...

Nodal quasiparticles of Bi2Sr2CaCu2O8 have been studied by angle-resolved photoemission spectroscopy with high momentum and energy resolution. Low-energy tunable photons have enabled us to resolve a...

Normal state electronic structure in the heavily overdoped regime of Bi1.74Pb0.38Sr1.88CuO6+delta single-layer cuprate superconductors (2006)

Yang, K., Xie, B. P., Shen, D. W., Zhao, J. F., Ou, H. W., Wei, J., ...

We explore the electronic structure in the heavily overdoped regime of the single layer cuprate superconductor Bi1.74Pb0.38Sr1.88CuO6+delta. We found that the nodal quasiparticle behavior is...

Bulk and surface-sensitive high-resolution photoemission study of Mott-Hubbard systems SrVO$_3$ and CaVO$_3$ (2005)

Eguchi, R., Kiss, T., Tsuda, S., Shimojima, T., Mizokami, T., Yokoya, T., ...

We study the electronic structure of Mott-Hubbard systems SrVO$_{3}$ and CaVO$_3$ with bulk and surface-sensitive high-resolution photoemission spectroscopy (PES), using a VUV laser, synchrotron...

Chemical characterisation of the oligosaccharides in hooded seal (Cystophora cristata) and Australian fur seal (Arctocephalus pusillus doriferus) milk (2001)

Urashima, T., Arita, M., Yoshida, M., Nakamura, T., Arai, I., Saito, T., ...

Carbohydrates were extracted from hooded seal milk, Crystophora cristata (family Phocidae). Free oligosaccharides were separated by gel filtration and then purified by ion exchange chromatography,...

Planar defects in Nb§3Ge and hexagonal Nb§5Ge§3. (1986)

Arita, M., Nissen, H.U., Schauer, W.

11th Internat.Congress on Electron Microscopy, Kyoto, J, August 31 - September 7, 1986 Proc. S.861-862

Phase inhomogeneities in high T§c Nb§3Ge films - a TEM study. (1985)

Stenzel, M., Schauer, W., Reiner, J., Wuechner, F., Nissen, H.U., Arita, M.

5th General Conf.of the Condensed Matter Division of the European Physical Society, Berlin, March 18-22, 1985

Purification and characterization of a cell-associated hemagglutinin of Vibrio parahaemolyticus.

Nagayama, K, Oguchi, T, Arita, M, Honda, T

We found a positive correlation between cell-associated mannose-sensitive hemagglutination and adherence of Vibrio parahaemolyticus to rabbit enterocytes by investigating 35 strains of V....

Purification and characterization of a new agarase from a marine bacterium, Vibrio sp. strain JT0107.

Sugano, Y, Terada, I, Arita, M, Noma, M, Matsumoto, T

A marine bacterial strain that decomposes the cell walls of some seaweeds, including a Laminaria sp. and Undaria pinnatifida, has been isolated from seawater. This strain has been classified to the...

Cholera enterotoxin production in Vibrio cholerae O1 strains isolated from the environment and from humans in Japan.

Minami, A, Hashimoto, S, Abe, H, Arita, M, Taniguchi, T, Honda, T, ...

Vibrio cholerae O1 strains isolated from various sources in Japan over the years 1977 through 1987 were examined to confirm the presence or absence of the cholera enterotoxin (CT) gene and production...

Host range phenotype induced by mutations in the internal ribosomal entry site of poliovirus RNA.

Shiroki, K, Ishii, T, Aoki, T, Ota, Y, Yang, W X, Komatsu, T, ...

Most poliovirus strains infect only primates. The host range (HR) of poliovirus is thought to be primarily determined by a cell surface molecule that functions as poliovirus receptor (PVR), since it...

Determinants in the 5' noncoding region of poliovirus Sabin 1 RNA that influence the attenuation phenotype.

Kawamura, N, Kohara, M, Abe, S, Komatsu, T, Tago, K, Arita, M, ...

A number of recombinants between the virulent Mahoney and attenuated Sabin strains of type 1 poliovirus were constructed by using infectious cDNA clones of the two strains. To identify a strong...

Construction of less neurovirulent polioviruses by introducing deletions into the 5' noncoding sequence of the genome.

Iizuka, N, Kohara, M, Hagino-Yamagishi, K, Abe, S, Komatsu, T, Tago, K, ...

Viral attenuation may be due to lowered efficiency of certain steps essential for viral multiplication. For the construction of less neurovirulent strains of poliovirus in vitro, we introduced...

Genetic analysis of the attenuation phenotype of poliovirus type 1.

Omata, T, Kohara, M, Kuge, S, Komatsu, T, Abe, S, Semler, B L, ...

Seven different recombinant viruses from the virulent Mahoney and the attenuated Sabin parental strains of type 1 poliovirus were constructed in vitro by using infectious cDNA clones. Monkey...

A recombinant virus between the Sabin 1 and Sabin 3 vaccine strains of poliovirus as a possible candidate for a new type 3 poliovirus live vaccine strain.

Kohara, M, Abe, S, Komatsu, T, Tago, K, Arita, M, Nomoto, A

Biological tests including the monkey neurovirulence test performed on recombinants between the virulent Mahoney and attenuated Sabin 1 strains of type 1 poliovirus indicated that the genome region...

Purification and characterization of a new heat-stable enterotoxin produced by Vibrio cholerae non-O1 serogroup Hakata.

Arita, M, Honda, T, Miwatani, T, Ohmori, K, Takao, T, Shimonishi, Y

The possible production of a heat-stable enterotoxin (Vc-H-ST) by Vibrio cholerae non-O1 serogroup Hakata was investigated, and the purified Vc-H-ST was characterized. It has a unique amino acid...

Production and characterization of monoclonal antibodies to a pilus colonization factor (colonization factor antigen III) of human enterotoxigenic Escherichia coli.

Honda, T, Wetprasit, N, Arita, M, Miwatani, T

Three monoclonal antibodies (MAbs) to a pilus colonization factor (colonization factor antigen III [CFA/III]) of human enterotoxigenic Escherichia coli (ETEC) were developed and characterized. All of...

Purification and characterization of Vibrio cholerae non-O1 heat-stable enterotoxin.

Arita, M, Takeda, T, Honda, T, Miwatani, T

A toxin which causes rapid fluid accumulation in a suckling mouse assay and which was produced by Vibrio cholerae non-O1 was investigated. The toxin was purified from the culture supernatant of V....

Characterization of new hydrophobic pili of human enterotoxigenic Escherichia coli: a possible new colonization factor.

Honda, T, Arita, M, Miwatani, T

Enterotoxigenic Escherichia coli strains were divided into five groups on the basis of their bacterial surface hydrophobicity (Honda et al., FEMS Microbiol. Lett. 17:273-276, 1983). Strains in group...

Evaluation of a nonisotopically labeled oligonucleotide probe to detect the heat-stable enterotoxin gene of Escherichia coli by the DNA colony hybridization test.

Nishibuchi, M, Arita, M, Honda, T, Miwatani, T

A commercially available, alkaline-phosphatase-conjugated oligonucleotide probe for detecting the heat-stable enterotoxin gene of Escherichia coli was compared with cloned gene probes by examining E....

Detection with synthetic oligonucleotide probes of nucleotide sequence variations in the genes encoding enterotoxins of Escherichia coli.

Nishibuchi, M, Murakami, A, Arita, M, Jikuya, H, Takano, J, Honda, T, ...

We examined variations in the genes encoding heat-stable enterotoxin (ST) and heat-labile enterotoxin (LT) in 88 strains of Escherichia coli isolated from individuals with traveler's diarrhea to find...

Further evaluation of the Biken test (modified Elek test) for detection of enterotoxigenic Escherichia coli producing heat-labile enterotoxin and application of the test to sampling of heat-stable enterotoxin.

Honda, T, Arita, M, Takeda, Y, Miwatani, T

A total of 2,229 strains of Escherichia coli isolated from subjects with traveller's diarrhea were tested for heat-labile enterotoxin production by the Biken test (Honda et al., J. Clin. Microbiol....

Poliovirus type 1/type 3 antigenic hybrid virus constructed in vitro elicits type 1 and type 3 neutralizing antibodies in rabbits and monkeys.

Murray, M G, Kuhn, R J, Arita, M, Kawamura, N, Nomoto, A, Wimmer, E

Poliovirus exists as three stable serotypes (PV-1, PV-2, and PV-3). These viruses display three antigenic sites each, designated N-AgI, N-AgII, and N-AgIII. When mice are immunized with poliovirus,...

Cytotoxic effect of the thermostable direct hemolysin produced by Vibrio parahaemolyticus on FL cells.

Sakurai, J, Honda, T, Jinguji, Y, Arita, M, Miwatani, T

The thermostable direct hemolysin produced by Vibrio parahaemolyticus showed cytotoxic activity on FL cells derived from human amniotic membrane. Scanning electron micrographs of the whole cells...

Human alpha-tocopherol transfer protein: cDNA cloning, expression and chromosomal localization.

Arita, M, Sato, Y, Miyata, A, Tanabe, T, Takahashi, E, Kayden, H J, ...

alpha-Tocopherol transfer protein (alpha TTP), which specifically binds this vitamin and enhances its transfer between separate membranes, was previously isolated from rat liver cytosol. In the...

Transgenic mice with inactive alleles for procollagen N-proteinase (ADAMTS-2) develop fragile skin and male sterility.

Li, S W, Arita, M, Fertala, A, Bao, Y, Kopen, G C, Långsjö, T K, ...

Transgenic mice were prepared with inactive alleles for procollagen N-proteinase (ADAMTS-2; where ADAMTS stands for a disintegrin and metalloproteinase with thrombospondin repeats). Homozygous mice...

Ionic mechanisms of action potential prolongation at low temperature in guinea-pig ventricular myocytes.

Kiyosue, T, Arita, M, Muramatsu, H, Spindler, A J, Noble, D

1. We studied the effects of low temperature on the action potentials and membrane currents of guinea-pig ventricular myocytes, using a tight-seal whole-cell clamp technique. 2. The action potential...

Stimulation of alpha 1-adrenoceptors and protein kinase C-mediated activation of ecto-5'-nucleotidase in rat hearts in vivo.

Sato, T, Obata, T, Yamanaka, Y, Arita, M

1. To determine whether protein kinase C (PKC)-mediated activation of ecto-5'-nucleotidase would increase interstitial adenosine concentrations in the rat heart in vivo, we made use of the...

Identifying areas with vitamin A deficiency: the validity of a semiquantitative food frequency method.

Sloan, N L, Rosen, D, Arita, M, Temalilwa, C, Solomons, N W

OBJECTIVES: The prevalence of vitamin A deficiency has traditionally been assessed through xerophthalmia or biochemical surveys. The cost and complexity of implementing these methods limits the...

Purification and characterization of a cell-associated hemagglutinin of Vibrio parahaemolyticus.

Nagayama, K, Oguchi, T, Arita, M, Honda, T

We found a positive correlation between cell-associated mannose-sensitive hemagglutination and adherence of Vibrio parahaemolyticus to rabbit enterocytes by investigating 35 strains of V....

Purification and characterization of a new agarase from a marine bacterium, Vibrio sp. strain JT0107.

Sugano, Y, Terada, I, Arita, M, Noma, M, Matsumoto, T

A marine bacterial strain that decomposes the cell walls of some seaweeds, including a Laminaria sp. and Undaria pinnatifida, has been isolated from seawater. This strain has been classified to the...

Cholera enterotoxin production in Vibrio cholerae O1 strains isolated from the environment and from humans in Japan.

Minami, A, Hashimoto, S, Abe, H, Arita, M, Taniguchi, T, Honda, T, ...

Vibrio cholerae O1 strains isolated from various sources in Japan over the years 1977 through 1987 were examined to confirm the presence or absence of the cholera enterotoxin (CT) gene and production...

Host range phenotype induced by mutations in the internal ribosomal entry site of poliovirus RNA.

Shiroki, K, Ishii, T, Aoki, T, Ota, Y, Yang, W X, Komatsu, T, ...

Most poliovirus strains infect only primates. The host range (HR) of poliovirus is thought to be primarily determined by a cell surface molecule that functions as poliovirus receptor (PVR), since it...

Determinants in the 5' noncoding region of poliovirus Sabin 1 RNA that influence the attenuation phenotype.

Kawamura, N, Kohara, M, Abe, S, Komatsu, T, Tago, K, Arita, M, ...

A number of recombinants between the virulent Mahoney and attenuated Sabin strains of type 1 poliovirus were constructed by using infectious cDNA clones of the two strains. To identify a strong...

Construction of less neurovirulent polioviruses by introducing deletions into the 5' noncoding sequence of the genome.

Iizuka, N, Kohara, M, Hagino-Yamagishi, K, Abe, S, Komatsu, T, Tago, K, ...

Viral attenuation may be due to lowered efficiency of certain steps essential for viral multiplication. For the construction of less neurovirulent strains of poliovirus in vitro, we introduced...

Genetic analysis of the attenuation phenotype of poliovirus type 1.

Omata, T, Kohara, M, Kuge, S, Komatsu, T, Abe, S, Semler, B L, ...

Seven different recombinant viruses from the virulent Mahoney and the attenuated Sabin parental strains of type 1 poliovirus were constructed in vitro by using infectious cDNA clones. Monkey...

A recombinant virus between the Sabin 1 and Sabin 3 vaccine strains of poliovirus as a possible candidate for a new type 3 poliovirus live vaccine strain.

Kohara, M, Abe, S, Komatsu, T, Tago, K, Arita, M, Nomoto, A

Biological tests including the monkey neurovirulence test performed on recombinants between the virulent Mahoney and attenuated Sabin 1 strains of type 1 poliovirus indicated that the genome region...

Purification and characterization of a new heat-stable enterotoxin produced by Vibrio cholerae non-O1 serogroup Hakata.

Arita, M, Honda, T, Miwatani, T, Ohmori, K, Takao, T, Shimonishi, Y

The possible production of a heat-stable enterotoxin (Vc-H-ST) by Vibrio cholerae non-O1 serogroup Hakata was investigated, and the purified Vc-H-ST was characterized. It has a unique amino acid...

Production and characterization of monoclonal antibodies to a pilus colonization factor (colonization factor antigen III) of human enterotoxigenic Escherichia coli.

Honda, T, Wetprasit, N, Arita, M, Miwatani, T

Three monoclonal antibodies (MAbs) to a pilus colonization factor (colonization factor antigen III [CFA/III]) of human enterotoxigenic Escherichia coli (ETEC) were developed and characterized. All of...

Purification and characterization of Vibrio cholerae non-O1 heat-stable enterotoxin.

Arita, M, Takeda, T, Honda, T, Miwatani, T

A toxin which causes rapid fluid accumulation in a suckling mouse assay and which was produced by Vibrio cholerae non-O1 was investigated. The toxin was purified from the culture supernatant of V....

Characterization of new hydrophobic pili of human enterotoxigenic Escherichia coli: a possible new colonization factor.

Honda, T, Arita, M, Miwatani, T

Enterotoxigenic Escherichia coli strains were divided into five groups on the basis of their bacterial surface hydrophobicity (Honda et al., FEMS Microbiol. Lett. 17:273-276, 1983). Strains in group...

Evaluation of a nonisotopically labeled oligonucleotide probe to detect the heat-stable enterotoxin gene of Escherichia coli by the DNA colony hybridization test.

Nishibuchi, M, Arita, M, Honda, T, Miwatani, T

A commercially available, alkaline-phosphatase-conjugated oligonucleotide probe for detecting the heat-stable enterotoxin gene of Escherichia coli was compared with cloned gene probes by examining E....

Detection with synthetic oligonucleotide probes of nucleotide sequence variations in the genes encoding enterotoxins of Escherichia coli.

Nishibuchi, M, Murakami, A, Arita, M, Jikuya, H, Takano, J, Honda, T, ...

We examined variations in the genes encoding heat-stable enterotoxin (ST) and heat-labile enterotoxin (LT) in 88 strains of Escherichia coli isolated from individuals with traveler's diarrhea to find...

Further evaluation of the Biken test (modified Elek test) for detection of enterotoxigenic Escherichia coli producing heat-labile enterotoxin and application of the test to sampling of heat-stable enterotoxin.

Honda, T, Arita, M, Takeda, Y, Miwatani, T

A total of 2,229 strains of Escherichia coli isolated from subjects with traveller's diarrhea were tested for heat-labile enterotoxin production by the Biken test (Honda et al., J. Clin. Microbiol....

Poliovirus type 1/type 3 antigenic hybrid virus constructed in vitro elicits type 1 and type 3 neutralizing antibodies in rabbits and monkeys.

Murray, M G, Kuhn, R J, Arita, M, Kawamura, N, Nomoto, A, Wimmer, E

Poliovirus exists as three stable serotypes (PV-1, PV-2, and PV-3). These viruses display three antigenic sites each, designated N-AgI, N-AgII, and N-AgIII. When mice are immunized with poliovirus,...

Cytotoxic effect of the thermostable direct hemolysin produced by Vibrio parahaemolyticus on FL cells.

Sakurai, J, Honda, T, Jinguji, Y, Arita, M, Miwatani, T

The thermostable direct hemolysin produced by Vibrio parahaemolyticus showed cytotoxic activity on FL cells derived from human amniotic membrane. Scanning electron micrographs of the whole cells...

Human alpha-tocopherol transfer protein: cDNA cloning, expression and chromosomal localization.

Arita, M, Sato, Y, Miyata, A, Tanabe, T, Takahashi, E, Kayden, H J, ...

alpha-Tocopherol transfer protein (alpha TTP), which specifically binds this vitamin and enhances its transfer between separate membranes, was previously isolated from rat liver cytosol. In the...

Ionic mechanisms of action potential prolongation at low temperature in guinea-pig ventricular myocytes.

Kiyosue, T, Arita, M, Muramatsu, H, Spindler, A J, Noble, D

1. We studied the effects of low temperature on the action potentials and membrane currents of guinea-pig ventricular myocytes, using a tight-seal whole-cell clamp technique. 2. The action potential...

Stimulation of alpha 1-adrenoceptors and protein kinase C-mediated activation of ecto-5'-nucleotidase in rat hearts in vivo.

Sato, T, Obata, T, Yamanaka, Y, Arita, M

1. To determine whether protein kinase C (PKC)-mediated activation of ecto-5'-nucleotidase would increase interstitial adenosine concentrations in the rat heart in vivo, we made use of the...

Transgenic mice with inactive alleles for procollagen N-proteinase (ADAMTS-2) develop fragile skin and male sterility.

Li, S W, Arita, M, Fertala, A, Bao, Y, Kopen, G C, Långsjö, T K, ...

Transgenic mice were prepared with inactive alleles for procollagen N-proteinase (ADAMTS-2; where ADAMTS stands for a disintegrin and metalloproteinase with thrombospondin repeats). Homozygous mice...

Identifying areas with vitamin A deficiency: the validity of a semiquantitative food frequency method.

Sloan, N L, Rosen, D, Arita, M, Temalilwa, C, Solomons, N W

OBJECTIVES: The prevalence of vitamin A deficiency has traditionally been assessed through xerophthalmia or biochemical surveys. The cost and complexity of implementing these methods limits the...

Inactivation of one allele of the type II collagen gene alters the collagen network in murine articular cartilage and makes cartilage softer

Hyttinen, M, Toyras, J, Lapvetelainen, T, Lindblom, J, Prockop, D, Li, S, ...

OBJECTIVE—To evaluate the influence of inactivation of one allele ("heterozygous knockout" or "heterozygous inactivation") of the type II procollagen gene (Col2a1) on the biomechanical properties...

Detection of intracardiac thrombi in a case of cardiomyopathy by two dimensional echocardiography.

Arita, M, Ueno, Y, Masuyama, Y

A case of cardiomyopathy with systemic emboli is reported. Two dimensional and M-mode echocardiography showed abnormal intracavitary echoes. After further systemic emboli, echocardiograms showed the...

Complete heart block in mumps myocarditis.

Arita, M, Ueno, Y, Masuyama, Y

A patient with mumps myocarditis is reported. The onset of mumps was typical, with fever and parotid swelling followed by raised virus antibody titres. Atrioventricular block occurred and persisted...

Clinical suppression of bradycardia dependent premature ventricular contractions by the potassium channel opener nicorandil

Takahashi, N., Ito, M., Saikawa, T., Arita, M., Fujino, T., Kagiyama, H., ...

Objective—To assess the clinical antiarrhythmic effect of nicorandil, a potassium channel opener, on premature ventricular contractions.
Design and patients—The effect of oral nicorandil...

Coronary artery spasm induced by carotid sinus massage

Nishizaki, M, Yamawake, N, Arita, M

A 60 year old man with a history of frequent episodes of chest pain and dizziness was referred for evaluation of coronary artery disease. He had no significant coronary artery stenosis at baseline...

Increase in tonsillar germinal centre B-1 cell numbers in IgA nephropathy (IgAN) patients and reduced susceptibility to Fas-mediated apoptosis

Kodama, S, Suzuki, M, Arita, M, Mogi, G

IgAN is a common form of primary glomerulonephritis and also a disease of tonsillar focal infection. The comprehensive mechanism underlying this disease remains to be defined. To better understand...

Cibenzoline inhibits diazoxide- and 2,4-dinitrophenol-activated ATP-sensitive K+ channels in guinea-pig ventricular cells.

Sato, T., Wu, B., Nakamura, S., Kiyosue, T., Arita, M.

1. We have investigated the effects of diazoxide (a sulphonamide derivative) and cibenzoline (a class I antiarrhythmic drug) on ATP-sensitive K+ currents in guinea-pig ventricular cells, using...

Mexiletine-induced shortening of the action potential duration of ventricular muscles by activation of ATP-sensitive K+ channels.

Sato, T., Shigematsu, S., Arita, M.

A class Ib antiarrhythmic drug, mexiletine (100 microM) significantly shortened the action potential duration (APD) of guinea-pig ventricular muscles and this effect was completely abolished in the...

Postmortem study of ataxia with retinitis pigmentosa by mutation of the α-tocopherol transfer protein gene

Yokota, T, Uchihara, T, Kumagai, J, Shiojiri, T, Pang, J, Arita, M, ...

A new syndrome of ataxia and retinitis pigmentosa with vitamin E deficiency caused by the missense mutation of α-tocopherol transfer protein (α-TTP) gene was recently proposed. After studying the...