Y. Araki

M. Kudo (2008)

Y. Araki, H. Nomiyama, S. Saito, Y. Sohda

Best practices and tools for personal information compliance management Recent incidents involving the loss of personal information and identity theft have raised concerns worldwide over information...

Synthesis, structures, and properties of meso-phosphorylporphyrins: Self-organization through P-oxo-zinc coordination (2007)

Matano, Y, Matsumoto, K, Terasaka, Y, Hotta, H, Araki, Y, Ito, O, ...

Uniform Mixing of High-Tc Superconductivity and Antiferromagnetism on a Single CuO2 Plane in Hg-based Five-layered Cuprate (2006)

Mukuda, H., Abe, M., Araki, Y., Kitaoka, Y., Tokiwa, K., Watanabe, T., ...

We report a site selective Cu-NMR study on under-doped Hg-based five-layered high-$T_{\rm c}$ cuprate HgBa2Ca4Cu5Oy with a Tc=72 K. Antiferromagnetism (AF) has been found to take place at TN=290 K,...

Photoinduced charge separation and charge recombination in terthiophene-acetylene-fullerene linked dyads (2006)

Nakamura, T, Araki, Y, Ito, O, Murata, Y, Komatsu, K

A photoelectrochemical device with a nanostructured SnO2 electrode modified with composite clusters of porphyrin-modified silica nanoparticle and fullerene (2006)

Imahori, H, Mitamura, K, Shibano, Y, Umeyama, T, Matano, Y, Yoshida, K, ...

Successful gene transfer into dendritic cells with cationized gelatin and plasmid DNA complexes via a phagocytosis-dependent mechanism (2006)

Inada, S, Fujiwara, H, Atsuji, K, Takashima, K, Araki, Y, Kubota, T, ...

Photoinduced electron transfer of dialkynyldisilane-linked zinc porphyrin-[60]fullerene dyad (2006)

Tsuji, H, Sasaki, M, Shibano, Y, Toganoh, M, Kataoka, T, Araki, Y, ...

Photoinduced charge-separation in a [TTF-spacer-C60-spacer-TTF] triad involving two long flexible spacers (2005)

Chopin, S., Gan, Z., Cousseau, J., Araki, Y., Ito, O.

Study of photoinduced electron transfer between [60]fullerene and proton-sponge by laser flash photolysis: Addition effects of organic acid (2005)

Horie, R, Araki, Y, Ito, O, Lee, Y, Kitagawa, T, Komatsu, K

Bio-sorption of acidic gelatine hydro-gels implanted in the back tissues of Fisher's rats (2005)

Taira, M, Furuuchi, H, Saitoh, S, Sugiyama, Y, Sekiyama, S, Araki, Y, ...

Coexistence of Superconductivity and Antiferromagnetism in Multilayered High-$T_c$ Superconductor HgBa$_2$Ca$_4$Cu$_5$O$_y$: A Cu-NMR Study (2004)

Kotegawa, H., Tokunaga, Y., Araki, Y., Kitaoka, Y., Tokiwa, K., ...

We report a coexistence of superconductivity and antiferromagnetism in five-layered compound HgBa$_2$Ca$_4$Cu$_5$O$_y$ (Hg-1245) with $T_c=108$ K, which is composed of two types of CuO$_2$ planes in...

Structure and photophysical properties of porphyrin-modified metal nanoclusters with different chain lengths (2004)

Imahori, H, Kashiwagi, Y, Endo, Y, Hanada, T, Nishimura, Y, Yamazaki, I, ...

Hydrogen bonding effect on photocurrent generation in porphyrin fullerene photoelectrochemical devices (2004)

Imahori, H, Liu, JC, Hosomizu, K, Sato, T, Mori, Y, Hotta, H, ...

Dissociative electron attachment of singly bonded [60]Fullerene dimer studied by laser flash photolysis (2004)

Luo, HX, Araki, Y, Fujitsuka, M, Ito, O, Cheng, FY, Murata, Y, ...

Porphyrin and fullerene-based artificial photosynthetic materials for photovoltaics (2004)

Imahori, H, Kashiwagi, Y, Hasobe, T, Kimura, M, Hanada, T, Nishimura, Y, ...

Vectorial electron relay at ITO electrodes modified with self-assembled monolayers of ferrocene-porphyrin-fullerene triads and porphyrin-fullerene dyads for molecular photovoltaic devices (2004)

Imahori, H, Kimura, M, Hosomizu, K, Sato, T, Ahn, TK, Kim, SK, ...

Long-lived charge-separated state generated in a ferrocene-meso,meso-linked porphyrin trimer-fullerene pentad with a high quantum yield (2004)

Imahori, H, Sekiguchi, Y, Kashiwagi, Y, Sato, T, Araki, Y, Ito, O, ...

Pregnancy following chemical activation of oocytes in a couple with repeated failure of fertilization using ICSI: Case report (2004)

Murase, Y., Araki, Y., Mizuno, S., Kawaguchi, C., Naito, M., Yoshizawa, M., ...

Long-lived charge-separated state produced by photoinduced electron transfer in a zinc imidazoporphyrin-C-60 dyad (2003)

Kashiwagi, Y, Ohkubo, K, McDonald, JA, Blake, IM, Crossley, MJ, Araki, Y, ...

Strong inhibition of singlet oxygen sensitization in pyridylferrocene-fluorinated zinc porphyrin supramolecular complexes (2003)

Kashiwagi, Y, Imahori, H, Araki, Y, Ito, O, Yamada, K, Sakata, Y, ...

Novel photocatalytic function of porphyrin-modified gold nanoclusters in comparison with the reference porphyrin compound (2003)

Fukuzumi, S, Endo, Y, Kashiwagi, Y, Araki, Y, Ito, O, Imahori, H

Stepwise charge separation and charge recombination in ferrocene-meso,meso-linked porphyrin dimer-fullerene triad (2002)

Imahori, H, Tamaki, K, Araki, Y, Sekiguchi, Y, Ito, O, Sakata, Y, ...

Hydrogen-bonding dynamics in photoinduced electron transfer in a ferrocene-quinone linked dyad with a rigid amide spacer (2002)

Fukuzumi, S, Yoshida, Y, Okamoto, K, Imahori, H, Araki, Y, Ito, O

Linkage dependent charge separation and charge recombination in porphyrin-pyromellitimide-fullerene triads (2002)

Imahori, H, Tamaki, K, Araki, Y, Hasobe, T, Ito, O, Shimomura, A, ...

Successful pregnancy following blastocyst vitrification: Case report (2000)

Yokota, Y., Sato, S., Yokota, M., Ishikawa, Y., Makita, M., Asada, T., ...

A 32 year old woman and her 32 year old spouse were referred to our IVF programme. Following recovery of 12 mature oocytes, nine were fertilized following conventional IVF. Three fresh embryos were...

Successful metaphase chromosome analysis of human elongated spermatids using mouse oocytes (1999)

Araki, Y., Ogawa, S., Ohno, M., Yoshizawa, M., Motoyama, M., Araki, S., ...

Human elongated spermatids from azoospermic patients were inserted into mouse oocytes by intracytoplasmic sperm injection (ICSI). The injection resulted in survival rates of 46.5% (180 out of 387)...

Normal development of a zona-free oocyte to the blastocyst stage following ICSI (1999)

Takahashi, K., Araki, Y., Motoyama, M.

Structural abnormalities of autosomal chromosomes in the male partner do not influence fertilization and early development of embryos after intracytoplasmic sperm injection (1997)

Yoshida, A, Araki, Y, Motoyama, M, Kim, SY, Sung, H, Araki, S, ...

In-situ hybridization chromosome analysis of XYY and XXY males' spermatozoa (1997)

Araki, Y, Motoyama, M, Yoshida, A, Kamiyama, H, Araki, S

Dicentric Y chromosome in an azoospermic male (1997)

Yoshida, A, Nakahori, Y, Kuroki, Y, Motoyama, M, Araki, Y, Miura, K, ...

A case of radiation-induced rectal cancer developing after a long-term follow-up (1994)

Shirouzu, K, Isomoto, H, Morodomi, T, Ogata, Y, Araki, Y, Kakegawa, T

Activation of smooth muscle myosin light chain kinase activity by a monoclonal antibody which recognizes the calmodulin-binding region. (1991)

Araki, Y, Ikebe, M

The regulatory domain of smooth muscle myosin light chain kinase (MLCK) was studied using monoclonal antibodies. Of the 22 monoclonal antibodies tested, a monoclonal antibody designated LKH-18 was...

Determination of methylation specificity of sequence-specific DNA methyltransferases using matrix assisted laser desorption/ionization time-of-flight mass spectrometry.

Tamura, T, Araki, Y, Yamaoka, S, Inagaki, K, Tanaka, H

We describe here a sensitive and straightforward method for characterizing the methylation specificity of type II DNA methyltransferase (MTase) using matrix-assisted laser desorption/ionization...

Structure of macroamphiphiles from several Bifidobacterium strains.

Iwasaki, H, Araki, Y, Ito, E, Nagaoka, M, Yokokura, T

Lipoteichoic acid-like substances, macroamphiphiles, were isolated from cell homogenates of Bifidobacterium bifidum YIT 4007 and YIT 4013, Bifidobacterium breve YIT 4010 and YIT 4014, and...

Biosynthesis of linkage units for teichoic acids in gram-positive bacteria: distribution of related enzymes and their specificities for UDP-sugars and lipid-linked intermediates.

Yokoyama, K, Mizuguchi, H, Araki, Y, Kaya, S, Ito, E

The distribution and substrate specificities of enzymes involved in the formation of linkage units which contain N-acetylglucosamine (GlcNAc) and N-acetylmannosamine (ManNAc) or glucose and join...

Structure of the linkage units between ribitol teichoic acids and peptidoglycan.

Kojima, N, Araki, Y, Ito, E

The structure of the linkage regions between ribitol teichoic acids and peptidoglycan in the cell walls of Staphylococcus aureus H and 209P and Bacillus subtilis W23 and AHU 1390 was studied....

N-acetylmannosaminyl(1----4)N-acetylglucosamine, a linkage unit between glycerol teichoic acid and peptidoglycan in cell walls of several Bacillus strains.

Kaya, S, Yokoyama, K, Araki, Y, Ito, E

The structure of teichoic acid-glycopeptide complexes isolated from lysozyme digests of cell walls of Bacillus subtilis (four strains) and Bacillus licheniformis (one strain) was studied to obtain...

Distribution of mannosamine and mannosaminuronic acid among cell walls of Bacillus species.

Yoneyama, T, Koike, Y, Arakawa, H, Yokoyama, K, Sasaki, Y, Kawamura, T, ...

The distribution of mannosamine, mannosaminuronic acid, and the enzymes responsible for the formation of these saccharides was studied in nine species (18 strains) of Bacillus. Whereas...

Bacillus cereus autolytic endoglucosaminidase active on cell wall peptidoglycan with N-unsubstituted glucosamine residues.

Kawagishi, S, Araki, Y, Ito, E

An autolytic glycosidase from a lysozyme-resistant strain of Bacillus cereus capable of cleaving the glycosidic linkages of N-unsubstituted glucosamine in the cell wall peptidoglycan was studied....

The role of von Willebrand factor and fibrinogen in platelet aggregation under varying shear stress.

Ikeda, Y, Handa, M, Kawano, K, Kamata, T, Murata, M, Araki, Y, ...

Exposure of platelets to shear stress leads to aggregation in the absence of exogenous agonists. We have now found that different adhesive proteins and platelet membrane glycoproteins are involved in...

Characterization of serum platelet-activating factor (PAF) acetylhydrolase. Correlation between deficiency of serum PAF acetylhydrolase and respiratory symptoms in asthmatic children.

Miwa, M, Miyake, T, Yamanaka, T, Sugatani, J, Suzuki, Y, Sakata, S, ...

Platelet-activating factor (PAF) acetylhydrolase has been recognized as an enzyme that inactivates PAF. We developed a convenient and reproducible method for determining human serum PAF...

Occurrence of D-rhamnan as the common antigen reactive against monoclonal antibody E87 in Pseudomonas aeruginosa IFO 3080 and other strains.

Yokota, S, Kaya, S, Araki, Y, Ito, E, Kawamura, T, Sawada, S

S. Sawada and co-workers reported that a monoclonal antibody (MAb), E87, interacted with about 80% of Pseudomonas aeruginosa isolates, and they separated a rhamnose-rich polysaccharide as the...

Purification and characterization of two forms of beta-D-galactosidase from rat epididymal luminal fluid: evidence for their role in the modification of sperm plasma membrane glycoprotein(s).

Tulsiani, D R, Skudlarek, M D, Araki, Y, Orgebin-Crist, M C

Previous studies from this laboratory have identified rat epididymal luminal fluid acid beta-D-galactosidase activity which also optimally hydrolyses a glycoprotein substrate at neutral pH...

Activation of smooth muscle myosin light chain kinase activity by a monoclonal antibody which recognizes the calmodulin-binding region.

Araki, Y, Ikebe, M

The regulatory domain of smooth muscle myosin light chain kinase (MLCK) was studied using monoclonal antibodies. Of the 22 monoclonal antibodies tested, a monoclonal antibody designated LKH-18 was...

Determination of methylation specificity of sequence-specific DNA methyltransferases using matrix assisted laser desorption/ionization time-of-flight mass spectrometry.

Tamura, T, Araki, Y, Yamaoka, S, Inagaki, K, Tanaka, H

We describe here a sensitive and straightforward method for characterizing the methylation specificity of type II DNA methyltransferase (MTase) using matrix-assisted laser desorption/ionization...

Structure of macroamphiphiles from several Bifidobacterium strains.

Iwasaki, H, Araki, Y, Ito, E, Nagaoka, M, Yokokura, T

Lipoteichoic acid-like substances, macroamphiphiles, were isolated from cell homogenates of Bifidobacterium bifidum YIT 4007 and YIT 4013, Bifidobacterium breve YIT 4010 and YIT 4014, and...

Biosynthesis of linkage units for teichoic acids in gram-positive bacteria: distribution of related enzymes and their specificities for UDP-sugars and lipid-linked intermediates.

Yokoyama, K, Mizuguchi, H, Araki, Y, Kaya, S, Ito, E

The distribution and substrate specificities of enzymes involved in the formation of linkage units which contain N-acetylglucosamine (GlcNAc) and N-acetylmannosamine (ManNAc) or glucose and join...

Structure of the linkage units between ribitol teichoic acids and peptidoglycan.

Kojima, N, Araki, Y, Ito, E

The structure of the linkage regions between ribitol teichoic acids and peptidoglycan in the cell walls of Staphylococcus aureus H and 209P and Bacillus subtilis W23 and AHU 1390 was studied....

N-acetylmannosaminyl(1----4)N-acetylglucosamine, a linkage unit between glycerol teichoic acid and peptidoglycan in cell walls of several Bacillus strains.

Kaya, S, Yokoyama, K, Araki, Y, Ito, E

The structure of teichoic acid-glycopeptide complexes isolated from lysozyme digests of cell walls of Bacillus subtilis (four strains) and Bacillus licheniformis (one strain) was studied to obtain...

Distribution of mannosamine and mannosaminuronic acid among cell walls of Bacillus species.

Yoneyama, T, Koike, Y, Arakawa, H, Yokoyama, K, Sasaki, Y, Kawamura, T, ...

The distribution of mannosamine, mannosaminuronic acid, and the enzymes responsible for the formation of these saccharides was studied in nine species (18 strains) of Bacillus. Whereas...

Bacillus cereus autolytic endoglucosaminidase active on cell wall peptidoglycan with N-unsubstituted glucosamine residues.

Kawagishi, S, Araki, Y, Ito, E

An autolytic glycosidase from a lysozyme-resistant strain of Bacillus cereus capable of cleaving the glycosidic linkages of N-unsubstituted glucosamine in the cell wall peptidoglycan was studied....

The role of von Willebrand factor and fibrinogen in platelet aggregation under varying shear stress.

Ikeda, Y, Handa, M, Kawano, K, Kamata, T, Murata, M, Araki, Y, ...

Exposure of platelets to shear stress leads to aggregation in the absence of exogenous agonists. We have now found that different adhesive proteins and platelet membrane glycoproteins are involved in...

Characterization of serum platelet-activating factor (PAF) acetylhydrolase. Correlation between deficiency of serum PAF acetylhydrolase and respiratory symptoms in asthmatic children.

Miwa, M, Miyake, T, Yamanaka, T, Sugatani, J, Suzuki, Y, Sakata, S, ...

Platelet-activating factor (PAF) acetylhydrolase has been recognized as an enzyme that inactivates PAF. We developed a convenient and reproducible method for determining human serum PAF...

Occurrence of D-rhamnan as the common antigen reactive against monoclonal antibody E87 in Pseudomonas aeruginosa IFO 3080 and other strains.

Yokota, S, Kaya, S, Araki, Y, Ito, E, Kawamura, T, Sawada, S

S. Sawada and co-workers reported that a monoclonal antibody (MAb), E87, interacted with about 80% of Pseudomonas aeruginosa isolates, and they separated a rhamnose-rich polysaccharide as the...

Purification and characterization of two forms of beta-D-galactosidase from rat epididymal luminal fluid: evidence for their role in the modification of sperm plasma membrane glycoprotein(s).

Tulsiani, D R, Skudlarek, M D, Araki, Y, Orgebin-Crist, M C

Previous studies from this laboratory have identified rat epididymal luminal fluid acid beta-D-galactosidase activity which also optimally hydrolyses a glycoprotein substrate at neutral pH...

Activation of smooth muscle myosin light chain kinase activity by a monoclonal antibody which recognizes the calmodulin-binding region.

Araki, Y, Ikebe, M

The regulatory domain of smooth muscle myosin light chain kinase (MLCK) was studied using monoclonal antibodies. Of the 22 monoclonal antibodies tested, a monoclonal antibody designated LKH-18 was...

Schistosoma japonicum soluble egg antigens activate naive B cells to produce antibodies: definition of parasite mechanisms of immune deviation.

Yamashita, T, Watanabe, T, Saito, S, Araki, Y, Sendo, F

This study analysed the effect of Schistosoma japonicum egg antigens (SEA) on the activation of lymphocytes from naive mice. T cells were found to be unaffected by SEA. B cells, however, were...

Increased expression of interleukin 17 in inflammatory bowel disease

Fujino, S, Andoh, A, Bamba, S, Ogawa, A, Hata, K, Araki, Y, ...

Background and aim: Interleukin (IL) 17 is a cytokine which exerts strong proinflammatory activities. In this study we evaluated changes in IL-17 expression in the inflamed mucosa and in the serum of...

Rapid intestinal ischaemia-reperfusion injury is suppressed in genetically mast cell-deficient Ws/Ws rats

ANDOH, A, KIMURA, T, FUKUDA, M, ARAKI, Y, FUJIYAMA, Y, BAMBA, T

Ws/Ws rats have a small deletion of the c-kit gene, and are deficient in both mucosal and connective tissue-type mast cells. In this study, the role of mucosal type mast cells (MMC) in the...

Counter-regulatory effect of sodium butyrate on tumour necrosis factor-alpha (TNF-α)-induced complement C3 and factor B biosynthesis in human intestinal epithelial cells

Andoh, A, Fujiyama, Y, Hata, K, Araki, Y, Takaya, H, Shimada, M, ...

The various biological activities of butyrate have been well documented. In this study, we tested the effects of butyrate on TNF-α-induced complement C3 and factor B biosynthesis in human intestinal...

Development of dextran sulphate sodium-induced experimental colitis is suppressed in genetically mast cell-deficient Ws/Ws rats

Araki, Y, Andoh, A, Fujiyama, Y, Bamba, T

Ws/Ws rats have a small deletion of the c-kit gene, and are deficient in both mucosal-type mast cells (MMC) and connective tissue-type mast cells (CTMC). In the present study we investigated the role...

Cooperation of interleukin-17 and interferon-γ on chemokine secretion in human fetal intestinal epithelial cells

Andoh, A, Takaya, H, Makino, J, Sato, H, Bamba, S, Araki, Y, ...

Interleukin (IL)-17 is a newly identified T cell-derived cytokine that can regulate the functions of a variety of cell types. In this study, we investigated the effects of IL-17 and interferon...

Traumatic lung pseudocyst.

Shirakusa, T, Araki, Y, Tsutsui, M, Motonaga, R, Iwanaga, M, Ogami, H, ...

Traumatic lung pseudocyst is an uncommon lung injury due to closed chest trauma. Four cases are reported; all were male and one was a child. Three cases showed spontaneous resolution of the...