Hiroshi Yamasaki

Publication List Details

Period

1982 - 2008

Number

47

Co-Authors

Interaction torque contributes to planar reaching at slow speed (2008)

Yamasaki, Hiroshi, Tagami, Yoshiyuki, Fujisawa, Hiroyuki, Hoshi, Fumihiko, Nagasaki, Hiroshi

Abstract Background How the central nervous system (CNS) organizes the joint dynamics for multi-joint movement is a complex problem, because of the passive interaction among segmental movements....

Application of fluorescence resonance energy transfer (FRET) to investigation of light-induced conformational changes of the phoborhodopsin/transducer complex (2007)

Taniguchi, Yukinori, Ikehara, Tatsuya, Kamo, Naoki, Watanabe, Yasutaka, Yamasaki, Hiroshi, Toyoshima, Yoshinori

The photoreceptor phoborhodopsin (ppR; also called sensory rhodopsin II) forms a complex with its cognate the Halobacterial transducer II (pHtrII) in the membrane, through which changes in the...

Interleukin-10 in the Pathophysiology of Inflammatory Bowel Disease: Increased Serum Concentrations During the Recovery Phase (2006)

Keiichi Mitsuyama, Nobuo Tomiyasu, Kosuke Takaki, Junya Masuda, Hiroshi Yamasaki, Kotaro Kuwaki, ...

Using a specific enzyme-linked immunosorbent assay, IL-10 concentrations were measured in serum from 62 patients with ulcerative colitis (UC), 43 with Crohn's disease (CD), 25 with other colitides,...

Delayed liver regeneration and increased susceptibility to chemical hepatocarcinogenesis in transgenic mice expressing a dominant-negative mutant of connexin32 only in the liver (2004)

Dagli, Maria Lúcia Zaidan, Yamasaki, Hiroshi, Krutovskikh, Vladimir, Omori, Yasufumi

A growing body of evidence from in vitro studies indicates that gap junction proteins connexins may have a tumor-suppressor function. Our previous double transfection experiments on HeLa cells have...

Increased susceptibility to urethane-induced lung tumors in mice with decreased expression of connexin43 (2004)

Avanzo, José Luis, Mesnil, Marc, Hernandez-Blazquez, Francisco Javier, Mackowiak, Ivone Isabel, Mori, Claudia Madalena Cabrera, Da Silva, Tereza Cristina, ...

Gap junction intercellular communication capacity and connexin expression are reportedly decreased in human lung cancer. The mechanisms by which connexins, the gap junction proteins, act as tumor...

A derivative of oleamide potently inhibits the spontaneous metastasis of mouse melanoma BL6 cells (2004)

Ito, Akihiko, Morita, Nobuyoshi, Miura, Daisaku, Koma, Yu-ichiro, Kataoka, Tatsuki R., Yamasaki, Hiroshi, ...

We reported previously that the abnormally augmented expression of connexin 26 (Cx26) is responsible for the enhanced spontaneous metastasis of mouse BL6 melanoma cells, and that the exogenous...

Increased susceptibility to urethane-induced lung tumors in mice with decreased expression of Connexin 43 (2004)

Avanzo, José Luis, Mesnil, Marc, Hernandez-Blazquez, Francisco Javier, Mackowiak, Ivone Isabel, Mori, Claudia Madalena Cabrera, Da Silva, Tereza Cristina, ...

Gap junction intercellular communication (GJIC) capacity and connexin expression are reportedly decreased in human lung cancer. The mechanisms by which connexins, the gap junction proteins, act as...

A derivative of oleamide potently inhibits the spontaneous metastasis of mouse melanoma BL6 cells (2004)

Ito, Akihiko, Morita, Nobuyoshi, Miura, Daisaku, Koma, Yu-ichiro, Kataoka, Tatsuki R., Yamasaki, Hiroshi, ...

We previously reported that the abnormally augmented expression of connexin 26 (Cx26) is responsible for the enhanced spontaneous metastasis of mouse BL6 melanoma cells, and that the exogenous...

The Use of Polysiloxane/polyvinyl Alcohol Beads as Solid Phase in IgG Anti-Toxocara canis   Detection Using a Recombinant Antigen (2003)

Hiroshi Yamasaki, Emília Perez

Immunodetection of human IgG anti-Toxocara canis   was developed based on ELISA and on the use of polysiloxane/polyvinyl alcohol (POS/PVA) beads. A recombinant antigen was covalently immobilized,...

The ue of polysiloxane/polyvinyl alcohol beads as solid phase in IgG anti-Toxocara canis detection using a recombinant antigen (2003)

Yamasaki,Hiroshi, Perez,Emília

Immunodetection of human IgG anti-Toxocara canis was developed based on ELISA and on the use of polysiloxane/polyvinyl alcohol (POS/PVA) beads. A recombinant antigen was covalently immobilized, via...

Suppression of gap junctional intercellular communication via 5' CpG island methylation in promoter region of E-cadherin gene in endometrial cancer cells (2003)

Nishimura, Makoto, Saito, Tsuyoshi, Yamasaki, Hiroshi, Kudo, Ryuichi

Previously, we demonstrated that connexins (Cxs) showed aberrant localization and expression in most endometrial hyperplasia and carcinoma samples, indicating that during endometrial carcinogenesis,...

Delayed liver regeneration and increased susceptibility to chemical hepatocarcinogenesis in transgenic mice expressing a dominant-negative mutant of connexin32 only in the liver (2003)

Dagli, Maria Lúcia Zaidan, Yamasaki, Hiroshi, Krutovskikh, Vladimir, Omori, Yasufumi

A growing body of evidence from in vitro studies indicates that gap junction proteins connexins (Cx) may have a tumor-suppressor function. Our previous double transfection experiments on HeLa cells...

Suppression of gap junctional intercellular communication via 5' CpG island methylation in promoter region of E-cadherin gene in endometrial cancer cells (2003)

Nishimura, Makoto, Saito, Tsuyoshi, Yamasaki, Hiroshi, Kudo, Ryuichi

Previously, we demonstrated that connexins (Cxs) showed aberrant localization and expression in most endometrial hyperplasia and carcinoma samples, indicating that during endometrial carcinogenesis,...

Suppression of gap junctional intercellular communication via 5' CpG island methylation in promoter region of E-cadherin gene in endometrial cancer cells (2003)

Nishimura, Makoto, Saito, Tsuyoshi, Yamasaki, Hiroshi, Kudo, Ryuichi

Previously, we demonstrated that connexins (Cxs) showed aberrant localization and expression in most endometrial hyperplasia and carcinoma samples, indicating that during endometrial carcinogenesis,...

Delayed liver regeneration and increased susceptibility to chemical hepatocarcinogenesis in transgenic mice expressing a dominant-negative mutant of connexin32 only in the liver (2003)

Dagli, Maria Lúcia Zaidan, Yamasaki, Hiroshi, Krutovskikh, Vladimir, Omori, Yasufumi

A growing body of evidence from in vitro studies indicates that gap junction proteins connexins (Cx) may have a tumor-suppressor function. Our previous double transfection experiments on HeLa cells...

Reduction of malignant phenotype of HEPG2 cell is associated with the expression of connexin 26 but not connexin 32 (2001)

Yano, Tomohiro, Hernandez-Blazquez, Francisco-Javier, Omori, Yasufumi, Yamasaki, Hiroshi

Connexin (Cx) genes have a negative growth effect on tumour cells with certain specificity. However, it is not clear whether each Cx gene can act similarly in growth control. Hepatocytes normally...

Gap junction proteins connexin32 and connexin43 partially acquire growth-suppressive function in HeLa cells by deletion of their C-terminal tails (1999)

Omori, Yasufumi, Yamasaki, Hiroshi

Our laboratory has previously reported that transfection of a connexin26 (Cx26) gene, but not connexin40 nor connexin43 (Cx43), into HeLa cells expressing no detectable level of connexins suppressed...

Cx32 gene mutation in a chemically induced rat liver tumour (1996)

Omori, Yasufumi, Krutovskikh, Vladimir, Mironov, Nicolai, Tsuda, Hiroyuki, Yamasaki, Hiroshi

Cx32 is a major gap junction protein of the liver and is often aberrantly expressed in liver tumours. We have studied mutation of the Cx32 gene during chemically induced hepatocarcinogenesis. DNA...

Cell proliferation and advancement of hepatocarcinogenesis in the rat are associated with a decrease in connexin 32 expression (1995)

Tsuda, Hiroyuki, Asamoto, Makoto, Baba, Hiroyasu, Iwahori, Yoshio, Matsumoto, Kazuyuki, Iwase, Teruhiko, ...

The expression of connexin 32 (Cx32), a major liver gap junction protein, after partial hepatectomy (PH) and during development and progression of hepatocarcinogenesis was studlled in the rat. Cx32...

Inhibition of gap junctional intercellular communication in Syrian hamster embryo cells by TPA, retinoic acid and DDT (1994)

Rivedal, Edgar, Yamasaki, Hiroshi, Sanner, Tore

12-O-Tetradecanoylphorbol-13-acetate (TPA), trans-retinoic add (RA) and DDT inhibit gap junctional intercellular communication in Syrian hamster embryo (SHE) cells. The inhibition is rapid and takes...

Transplacental and transgeneration carcinogenic effect of 7,12-dimethylbenz[a]anthracene: relationship with ras oncogene activation (1992)

Loktionov, Alexandre, Popovich, Irina, Zabezhinski, Mark, Martel, Nicole, Yamasaki, Hiroshi, Tomatis, Lorenzo

Transgeneration transmission of the carcinogenic action of 7,12-dimethylbenz[a]anthracene (DMBA) was studied in two generations of mice using transplacental DMBA initiation followed by postnatal skin...

Regulation of gap-junctional intercellular comnunication in transformation-sensitive and transformation-resistant BALB/c 3T3 cell variants (1991)

Katoh, Fumitaka, Yamasaki, Hiroshi

BALB/c 3T3 A31-1-13 cells are highly susceptible to chemicalinduced cell transformation and their gap-junctional inter cellular communication (GJIC) is decreased when these cells become confluent. On...

Sequential changes of gap-junctional intercellular communications during multistage rat liver carcinogenesis: direct measurement of communication in vivo (1991)

Krutovskikh, Vladimir A., Oyamada, Masahito, Yamasaki, Hiroshi

We have developed a simple method to measure gapjunctional intercellular communication (GJIC), by means of microinjection/dye transfer assay, in liver slices freshly removed from the rat. Using...

Effects of sodium L-ascorbate, uracil, butylated hydroxyanisole and extracellular pH on junctional intercellular communication of BALB /c 3T3 cells (1988)

Masui, Tsuneo, Fukushima, Shoji, Katoh, Fumitaka, Yamasaki, Hiroshi, Ito, Nobuyuki

To study the mechanism of tumor promotion by different classes of urinary bladder promoters, the effect of sodium L-ascorbate, uracil and butylated hydroxyanisole (BHA) on junctional intercellular...

Selective gap-junctional communication capacity of transformed and non-transformed rat liver epithelial cell lines (1988)

Mesnil, Marc, Yamasaki, Hiroshi

To investigate whether a selective intercellular communication exists between transformed epithelial cells and their counterparts, the homologous and heterologous communication capacities of four rat...

Enhancement of transformation and continuous inhibition of intercellular communication by 1-oleoyl-2-acetyl glycerol in BALB/c 3T3 cells (1987)

Frixen, Uwe, Yamasaki, Hiroshi

Tumour-promoting phorbol esters and diacylglycerols have a variety of biochemical and biological effects in common in a number of cell culture systems; thus, it has been suggested that...

1-Oleoyl 2-acetyl glycerol inhibits differentiation of TPA-sensitive but not of TPA-resistant Friend cells (1986)

Giroldi, Laurence, Hamel, Elisabeth, Yamasaki, Hiroshi

Recent studies have shown that diacylglycerols mimic several effects of 12–0-tetradecanoylphorbol 13-acetate (TPA) on cultured cells and suggest that diacylglycerols are the endogenous functional...

Comparative effects of a complete tumor promoter, TPA, and a second-stage tumor promoter, RPA, on intercellular communication, cell differentiation and cell transformation (1985)

Yamasaki, Hiroshi, Aguelon-Pegouries, Anne-Marie, Enomoto, Taira, Martel, Nicole, Furstenberger, Gerhard, Marks, Friedrich

The biological activities in vitro of the incomplete (second-stage) tumor promoter, 12-O-retinoyl phorbol-13-acetate (RPA), and the complete tumor promoter, 12-O-tetradecanoyl phorbol-13-acetate...

Influence on cell-cell communication (dye-transfer) of the oncogenic {beta}-blocker DL-ZAMI 1305: possible relation to tumor promotion (1985)

Mazzoleni, Giovanna, Ragnotti, Giovanni, Enomoto, Taira, Yamasaki, Hiroshi

The effect of the oncogenic β-blocker DL-1-(2-nitro-3-methyl-phenoxy)-3-tert-butyl-amino-propan-2-ol (DL-ZAMI 1305) on intercellular communication between cultured cells was studied. Intercellular...

Specific binding of phorbol esters to Friend erythroleukemia cells -- general properties, down regulation and relationship to cell differentiation (1982)

Yamasaki, Hiroshi, Drevon, Cécile, Martel, Nicole

Specific and saturable binding sites for [20-3H]phorbol 12,13-dibutyrate ([3H]PDBu) were demonstrated in intact Friend erythroleukemia cells (FELC), in which inducible erythroid differentiation is...

Development of a Highly Specific Recombinant Toxocara canis Second-Stage Larva Excretory-Secretory Antigen for Immunodiagnosis of Human Toxocariasis

Yamasaki, Hiroshi, Araki, Kunioki, Lim, Patricia Kim Chooi, Zasmy, Ngah, Mak, Joon Wah, Taib, Radzan, ...

The specificity of the recombinant Toxocara canis antigen developed for the immunodiagnosis of human toxocariasis was compared with that of the excretory-secretory antigen from T. canis second-stage...

Usefulness of Hydatid Cyst Fluid of Echinococcus granulosus Developed in Mice with Secondary Infection for Serodiagnosis of Cystic Echinococcosis in Humans

Mamuti, Wulamu, Yamasaki, Hiroshi, Sako, Yasuhito, Nakaya, Kazuhiro, Nakao, Minoru, Lightowlers, Marshall W., ...

The aim of this work was to assess the usefulness of hydatid cyst fluid (HCF) of Echinococcus granulosus, obtained from mice experimentally infected with hydatid cyst tissue homogenates, for the...

Alveolar Echinococcosis: Characterization of Diagnostic Antigen Em18 and Serological Evaluation of Recombinant Em18

Sako, Yasuhito, Nakao, Minoru, Nakaya, Kazuhiro, Yamasaki, Hiroshi, Gottstein, Bruno, Lightowers, Marshall W., ...

The Echinococcus multilocularis protein Em18 is one of the most promising antigens for use in serodiagnosis of alveolar echinococcosis in human patients. Here we identify an antigenic relationship...

Dissociable prefrontal brain systems for attention and emotion

Yamasaki, Hiroshi, LaBar, Kevin S., McCarthy, Gregory

The prefrontal cortex has been implicated in a variety of attentional, executive, and mnemonic mental operations, yet its functional organization is still highly debated. The present study used...

DNA Differential Diagnosis of Human Taeniid Cestodes by Base Excision Sequence Scanning Thymine-Base Reader Analysis with Mitochondrial Genes

Yamasaki, Hiroshi, Nakao, Minoru, Sako, Yasuhito, Nakaya, Kazuhiro, Sato, Marcello Otake, Mamuti, Wulamu, ...

For DNA differential diagnosis of human Taenia cestodes, a base excision sequence scanning thymine-base method using the cytochrome c oxidase subunit I and cytochrome b genes as targets was used. The...

Evaluation of an Enzyme-Linked Immunosorbent Assay (ELISA) with Affinity-Purified Em18 and an ELISA with Recombinant Em18 for Differential Diagnosis of Alveolar Echinococcosis: Results of a Blind Test

Ito, Akira, Xiao, Ning, Liance, Martine, Sato, Marcello O., Sako, Yasuhito, Mamuti, Wulamu, ...

Alveolar echinococcosis (AE) is the most potentially lethal parasitic zoonosis of the nontropical areas in the northern hemisphere, where cystic echinococcosis (CE) is also endemic. Both AE and CE...

Evaluation of Use of Recombinant Em18 and Affinity-Purified Em18 for Serological Differentiation of Alveolar Echinococcosis from Cystic Echinococcosis and Other Parasitic Infections

Xiao, Ning, Mamuti, Wulamu, Yamasaki, Hiroshi, Sako, Yasuhito, Nakao, Minoru, Nakaya, Kazuhiro, ...

To further evaluate recombinant Em18 antigen (rEm18) for immunodiagnosis of human alveolar echinococcosis, 208 serum samples were examined by enzyme-linked immunosorbent assay (ELISA). To...

Hydroxyethylthiazole Uptake in Escherichia coli: General Properties and Relationship Between Uptake and Thiamine Biosynthesis

Yamasaki, Hiroshi, Sanemori, Hiroshi, Yamada, Kazuo, Kawasaki, Takashi

Uptake of 35S-hydroxyethylthiazole (4-methyl-5-hydroxyethylthiazole) by Escherichia coli intact cells was studied. Hydroxyethylthiazole was taken up in the presence and absence of glucose at the same...

A role for heterologous gap junctions between melanoma and endothelial cells in metastasis

Ito, Akihiko, Katoh, Fumitaka, Kataoka, Tatsuki R., Okada, Morihito, Tsubota, Noriaki, Asada, Hideo, ...

F10 and BL6 sublines of B16 mouse melanoma cells are metastatic after intravenous injection, but only BL6 cells are metastatic after subcutaneous injection. We found that connexin (Cx) 26 is...

DNA Differential Diagnosis of Taeniasis and Cysticercosis by Multiplex PCR

Yamasaki, Hiroshi, Allan, James C., Sato, Marcello Otake, Nakao, Minoru, Sako, Yasuhito, Nakaya, Kazuhiro, ...

Multiplex PCR was established for differential diagnosis of taeniasis and cysticercosis, including their causative agents. For identification of the parasites, multiplex PCR with cytochrome c oxidase...

Molecular Cloning, Expression, and Serological Evaluation of an 8-Kilodalton Subunit of Antigen B from Echinococcus multilocularis

Mamuti, Wulamu, Yamasaki, Hiroshi, Sako, Yasuhito, Nakao, Minoru, Xiao, Ning, Nakaya, Kazuhiro, ...

Full-length cDNA and genomic DNA encoding an 8-kDa subunit of antigen B from Echinococcus multilocularis (designated EmAgB8/1) were isolated from an E. multilocularis metacestode cDNA library and a...

Solitary Neurocysticercosis Case Caused by Asian Genotype of Taenia solium Confirmed by Mitochondrial DNA Analysis

Yamasaki, Hiroshi, Matsunaga, Shigeo, Yamamura, Koji, Chang, Chia-Cheng, Kawamura, Shunji, Sako, Yasuhito, ...

A Japanese woman presenting with neurologic symptoms was presumptively diagnosed with neurocysticercosis based on imaging findings. Hooklets in the scolex of the resected lesion were not confirmed...

Interleukin-10 in the Pathophysiology of Inflammatory Bowel Disease: Increased Serum Concentrations During the Recovery Phase

Mitsuyama, Keiichi, Tomiyasu, Nobuo, Takaki, Kosuke, Masuda, Junya, Yamasaki, Hiroshi, Kuwaki, Kotaro, ...

Using a specific enzyme-linked immunosorbent assay, IL-10 concentrations were measured in serum from 62 patients with ulcerative colitis (UC), 43 with Crohn's disease (CD), 25 with other colitides,...

Connexin Hemichannels and Gap Junction Channels Are Differentially Influenced by Lipopolysaccharide and Basic Fibroblast Growth Factor

De Vuyst, Elke, Decrock, Elke, De Bock, Marijke, Yamasaki, Hiroshi, Naus, Christian C., Evans, W. Howard, ...

Gap junction (GJ) channels are formed by two hemichannels (connexons), each contributed by the cells taking part in this direct cell–cell communication conduit. Hemichannels that do not interact...