A photocarotenogenic Rhodococcus sp. isolated from the symbiotic fern Azolla (2004)
Cohen, M.F., Meziane, Tarik, Yamasaki, H.
No
A photocarotenogenic Rhodococcus sp. isolated from the symbiotic fern Azolla (2004)
Cohen, M.F., Meziane, Tarik, Yamasaki, H.
No
High Power Microwave Field Effect Transistor Development. (2002)
Driver,M. C., Geisler,M. J., Yamasaki,H., Barrett,D. L., Oakes,J. G.
Work is concentrating on gallium arsenide devices rather than silicon to take advantage of the higher mobility. Two fabrication techniques are being used to construct arrays of unit cells on GaAs...
Stimulus methods for recording pain-related SEF (2001)
R. Kakigi, H. Yamasaki, S. Watanabe, M. Hoshiyama
this paper, we describe two major methods for recording pain-related SEF, high-intensity painful electrical stimulation and painful CO 2 laser stimulation
Magnetic Response of the Human Visual Motion Area to Coherent (2001)
K. Lam, Y. Kaneoke, A. Gunji, H. Yamasaki, T. Naito, R. Kakigi
this paper. 2 Methods Five healthy right-handed colleagues participated in this study. We used a RDK for the visual stimuli. It consisted of bright square dots (0.2x0.2, 224 cd m ) randomly plotted...
Spin-polarized tunneling of La0.67Sr0.33MnO3/YBa2Cu3O7-d junctions (1999)
Sawa, A., Kashiwaya, S., Obara, H., Yamasaki, H., Koyanagi, M., Yoshida, N., ...
The transport properties between ferromagnets and high-Tc superconductors are investigated in La0.67Sr0.33MnO3/YBa2Cu3O7-d (LSMO/YBCO)junctions in the geometry of cross-strip lines. The conductance...
Metal Grid Base Heterojunction Transistor Operating at 60 and 94 GHz. (1998)
Yamasaki, H., Bar, S. X., Paine, B. M., Tejwani, M. J.
This program is for the development of a new device structure, the Metal Gridded Base Heterojunction Transistor (MGBHT). The device is an AlGaAs/GaAs bipolar structure, and incorporates a metal grid...
Mesnil, M, Piccoli, C, Tiraby, G, Willecke, K, Yamasaki, H
In gene therapy to treat cancer, typically only a fraction of the tumor cells can be successfully transfected with a gene. However, in the case of brain tumor therapy with the thymidine kinase gene...
Nakazawa, H, English, D, Randell, P L, Nakazawa, K, Martel, N, Armstrong, B K, ...
Many human skin tumors contain mutated p53 genes that probably result from UV exposure. To investigate the link between UV exposure and p53 gene mutation, we developed two methods to detect...
Flavonoid-Peroxidase Reaction as a Detoxification Mechanism of Plant Cells against H2O2.
Yamasaki, H., Sakihama, Y., Ikehara, N.
Recent studies have revealed that dietary flavonoids are potent radical scavengers, acting in a manner similar to ascorbate and [alpha]-tocopherol. However, it is still not clear whether flavonoids...
Mizobe, T, Yamasaki, H, Doi, K, Ando, M, Onoue, K
Summer-type hypersensitivity pneumonitis is the most prevalent type of hypersensitivity pneumonitis in Japan. We constructed a sandwich enzyme-linked immunosorbent assay system for diagnosis of...
Omori, Y, Mesnil, M, Yamasaki, H
We have characterized the function of connexin (Cx) 32 gene mutations found in X-linked dominant Charcot-Marie-Tooth disease with respect to their ability to form functional gap junctions among...
Yamasaki, H, Martel, N, Fusco, A, Ostertag, W
The tumor promoter phorbol 12-myristate 13-acetate (PMA) reversibly inhibits hexamethylene bisacetamide-induced terminal differentiation of Friend erythroleukemia cells (FELC). We were successful in...
Enomoto, T, Sasaki, Y, Shiba, Y, Kanno, Y, Yamasaki, H
The effect of tumor promoters on electrical coupling between human FL cells was investigated with a microelectrode technique. When a low concentration (100 ng/ml) of 12-O-tetradecanoylphorbol...
Yamasaki, H, Fibach, E, Nudel, U, Weinstein, I B, Rifkind, R A, Marks, P A
Addition of the potent tumor promoter, 12-O-tetradecanoyl-phorbol-13-acetate (TPA), to murine erythroleukemia cell lines in suspension cultures inhibited both spontaneous differentiation and...
Prager, D, Yamasaki, H, Weber, M M, Gebremedhin, S, Melmed, S
Hybrid receptors were studied in GC rat pituitary cells overexpressing either wild-type 950Tyr (WT) human insulin-like growth factor I (IGF-I) receptors or mutant human IGF-I receptors truncated at...
Chen, G, Upham, B L, Sun, W, Chang, C C, Rothwell, E J, Chen, K M, ...
Whether exposure of humans to extremely low frequency electromagnetic fields (ELF-EMF) can cause cancer is controversial and therefore needs further research. We used a Friend erythroleukemia cell...
Oh, J, Ho, L, Ala-Mello, S, Amato, D, Armstrong, L, Bellucci, S, ...
Hermansky-Pudlak syndrome (HPS) is a rare, autosomal recessive disorder in which oculocutaneous albinism, bleeding, and lysosomal ceroid storage result from defects of multiple cytoplasmic...
Gap junctional intercellular communication and cell proliferation during rat liver carcinogenesis.
Yamasaki, H, Krutovskikh, V, Mesnil, M, Columbano, A, Tsuda, H, Ito, N
During multistage liver carcinogenesis, there is a sequential decrease in gap junctional intercellular communication (GJIC), associated with reduced expression of a major liver gap-junction protein...
Yamasaki, H, Loktionov, A, Tomatis, L
Perinatal exposure to carcinogens may contribute to the determination of susceptibility to cancer in two situations: a) exposure in utero of embryonal or fetal somatic cells to carcinogens, and b)...
Aberrant expression and function of gap junctions during carcinogenesis.
Gap junctional intercellular communication plays a key role in the maintenance of homeostasis in multicellular organisms. Reflecting deranged homeostasis in cancer cells, most transformed or...
Mesnil, M, Piccoli, C, Tiraby, G, Willecke, K, Yamasaki, H
In gene therapy to treat cancer, typically only a fraction of the tumor cells can be successfully transfected with a gene. However, in the case of brain tumor therapy with the thymidine kinase gene...
Nakazawa, H, English, D, Randell, P L, Nakazawa, K, Martel, N, Armstrong, B K, ...
Many human skin tumors contain mutated p53 genes that probably result from UV exposure. To investigate the link between UV exposure and p53 gene mutation, we developed two methods to detect...
Flavonoid-Peroxidase Reaction as a Detoxification Mechanism of Plant Cells against H2O2.
Yamasaki, H., Sakihama, Y., Ikehara, N.
Recent studies have revealed that dietary flavonoids are potent radical scavengers, acting in a manner similar to ascorbate and [alpha]-tocopherol. However, it is still not clear whether flavonoids...
Mizobe, T, Yamasaki, H, Doi, K, Ando, M, Onoue, K
Summer-type hypersensitivity pneumonitis is the most prevalent type of hypersensitivity pneumonitis in Japan. We constructed a sandwich enzyme-linked immunosorbent assay system for diagnosis of...
Omori, Y, Mesnil, M, Yamasaki, H
We have characterized the function of connexin (Cx) 32 gene mutations found in X-linked dominant Charcot-Marie-Tooth disease with respect to their ability to form functional gap junctions among...
Yamasaki, H, Martel, N, Fusco, A, Ostertag, W
The tumor promoter phorbol 12-myristate 13-acetate (PMA) reversibly inhibits hexamethylene bisacetamide-induced terminal differentiation of Friend erythroleukemia cells (FELC). We were successful in...
Enomoto, T, Sasaki, Y, Shiba, Y, Kanno, Y, Yamasaki, H
The effect of tumor promoters on electrical coupling between human FL cells was investigated with a microelectrode technique. When a low concentration (100 ng/ml) of 12-O-tetradecanoylphorbol...
Yamasaki, H, Fibach, E, Nudel, U, Weinstein, I B, Rifkind, R A, Marks, P A
Addition of the potent tumor promoter, 12-O-tetradecanoyl-phorbol-13-acetate (TPA), to murine erythroleukemia cell lines in suspension cultures inhibited both spontaneous differentiation and...
Prager, D, Yamasaki, H, Weber, M M, Gebremedhin, S, Melmed, S
Hybrid receptors were studied in GC rat pituitary cells overexpressing either wild-type 950Tyr (WT) human insulin-like growth factor I (IGF-I) receptors or mutant human IGF-I receptors truncated at...
Chen, G, Upham, B L, Sun, W, Chang, C C, Rothwell, E J, Chen, K M, ...
Whether exposure of humans to extremely low frequency electromagnetic fields (ELF-EMF) can cause cancer is controversial and therefore needs further research. We used a Friend erythroleukemia cell...
Oh, J, Ho, L, Ala-Mello, S, Amato, D, Armstrong, L, Bellucci, S, ...
Hermansky-Pudlak syndrome (HPS) is a rare, autosomal recessive disorder in which oculocutaneous albinism, bleeding, and lysosomal ceroid storage result from defects of multiple cytoplasmic...
Gap junctional intercellular communication and cell proliferation during rat liver carcinogenesis.
Yamasaki, H, Krutovskikh, V, Mesnil, M, Columbano, A, Tsuda, H, Ito, N
During multistage liver carcinogenesis, there is a sequential decrease in gap junctional intercellular communication (GJIC), associated with reduced expression of a major liver gap-junction protein...
Yamasaki, H, Loktionov, A, Tomatis, L
Perinatal exposure to carcinogens may contribute to the determination of susceptibility to cancer in two situations: a) exposure in utero of embryonal or fetal somatic cells to carcinogens, and b)...
Aberrant expression and function of gap junctions during carcinogenesis.
Gap junctional intercellular communication plays a key role in the maintenance of homeostasis in multicellular organisms. Reflecting deranged homeostasis in cancer cells, most transformed or...
Air pollution studies have shown that nitric oxide (NO), a gaseous free radical, is a potent photosynthetic inhibitor that reduces CO2 uptake activity in leaves. It is now recognized that NO is not...
Saitoh, O, Mizutori, Y, Takamura, N, Yamasaki, H, Kita, A, Kuwahara, H, ...
Interleukin-10 (IL-10) and transforming growth factor-β (TGF-β) are well known anti-inflammatory cytokines. We have studied the effect of adenovirus-mediated IL-10 and TGF-β gene delivery on the...
Mitsuyama, K, Tomiyasu, N, Suzuki, A, Takaki, K, Takedatsu, H, Masuda, J, ...
The presence and the role of soluble gp130, the soluble form of a component of the interleukin (IL)-6 receptor complex, were investigated in inflammatory bowel disease. The serum concentrations of...
Hypersensitivity pneumonitis induced by a smut fungus Ustilago esculenta.
Yoshida, K, Suga, M, Yamasaki, H, Nakamura, K, Sato, T, Kakishima, M, ...
A case of hypersensitivity pneumonitis caused by a smut fungus Ustilago esculenta is presented.