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H Kazunaga H Suwaki K Ameno H Kinoshita I Ijiri 《Canadian Metallurgical Quarterly》1994,29(5):429-437
We report here the comparison of urinary dolichols/creatine (D/Cr) concentration ratios in male non-drinkers, moderate-drinkers and heavy drinkers at admission and during hospitalization, and also discuss its usefulness as a biological marker for alcohol abuse. Urine samples were collected from the following four experimental groups: non-(male and female) and moderate-drinker (male) volunteers, and alcoholic heavy-drinking patients (male) at admission for psychiatric treatment and after 9-15 days hospitalization (informed consent was obtained). Urinary dolichols were determined by high performance liquid chromatography after BondElutC18 (500 mg) extraction. Due to significant differences in urinary D/Cr concentrations between male and female groups in non-drinkers and because the heavy-drinkers available for this study were exclusively male, comparison of the value of urinary D/Cr concentration ratios was subsequently limited to male only. There were no statistical differences in urinary D/Cr concentrations in the male among non-drinkers, moderate-drinkers and heavy-drinkers at admission. The accuracy of urinary D/Cr as a biological marker for alcohol abuse, calculated using the mean +/- 2 s.d. in non- and moderate-drinkers as the normal range, is only 33.3% in heavy-drinkers at admission, while their value of gamma-GTP in serum was 88.3%.(ABSTRACT TRUNCATED AT 250 WORDS) 相似文献
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The results of road tests on valve-regulated lead-acid (VRLA) batteries in an idling-stop (stop and go) vehicle are reported. Idling-stop systems are simple systems to improve fuel economy of automobiles. They are expected to spread widely from an environmental perspective. Performances of a conventional flooded battery, a conventional VRLA battery, and an improved VRLA battery were compared in road tests with an idling-stop vehicle. It was found that the improved VRLA battery was suited to idling-stop applications because it had a smaller capacity loss than the conventional flooded battery during partial-state-of-charge (PSoC) operation. The positive grid was corroded in layers, unlike the usual grain boundary corrosion of SLI battery grid. It is because the corrosion proceeded mainly under PSoC conditions. The corrosion rate could be controlled by potential control of positive plates. 相似文献
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Y Sakae K Iwahashi S Ameno K Ameno N Okada K Nakamura M Watanabe H Suwaki I Ijiri S Harada 《Canadian Metallurgical Quarterly》1997,32(6):541-547
We amplified and sequenced the rearranged immunoglobulin heavy chain VDJ genomic unit in B-leukemias and used it as a clone-specific marker for the molecular monitoring of the patients during and after therapeutic treatment. The method described is patient-specific rather than disorder-specific, more sensitive and less time-consuming than other conventional techniques for the detection of minimal residual disease. We propose reproducible and quick procedures, from DNA extraction to Southern blotting, that can be easily performed in any clinical laboratory and also applied to other kinds of investigation. 相似文献
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The present study was conducted for clarifying the comorbidity of substance dependence and other psychiatric disorders in outpatients of four psychiatric hospitals in May, 1995. The results were as follows; 7.4% (N = 234) of the total 3155 psychiatric outpatients were diagnosed as substance dependence. Among those substance dependence patients, alcohol dependence accounted for 82.5% and the percentage of the other substance dependence were very small, i.e., methamphetamine dependence 6.4%, solvent dependence 1.7%, multiple substance dependence 9.4%, respectively. The percentage of comorbidity of substance dependence and psychiatric disorders was 23.9% (N = 56) of 234 substance dependence patients. The percentage of co-morbid alcohol dependence patients with affective disorder in all affective disorder patients was 5.0%; the percentage of comorbidity of alcohol dependence in neurotic patients 4.1%; the percentage of alcohol dependence comorbidity in schizophrenic patients 0.7%. In many cases, onsets of substance dependence and psychiatric disorders were within 2 years, which suggests the common backgrounds for substance dependence and psychiatric disorders, such as disruption of family and occupational life, stress and individual vulnerability, and substance use for self-medication. The study indicates that the percentages of diagnosed comorbidity of substance dependence and psychiatric disorders are generally smaller in Japan than in the U.S., which may be based on the differences of diagnostic standards between the two countries. Further studies are needed on the comorbidity of substance dependence and psychiatric disorders in other general hospital and psychiatric clinic patients. 相似文献
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T Toyokawa N Ikeda M Ohara M Ando K Suwaki N Ohara M Mizuno T Tsuji 《Canadian Metallurgical Quarterly》1997,94(5):366-370
Autoimmune ataxic neuropathies are a subset of the sensory ataxic neuropathies which are characterized by ataxia as the dominant presenting feature. The major known causes of autoimmune ataxic neuropathies include sensory variants of the Guillain-Barré syndrome, including Miller-Fisher syndrome, subsets of immunoglobulin M paraproteinaemic neuropathy, paraneoplastic neuropathy and the neuropathy associated with Sj?gren's syndrome. Identified antigens as targets for autoantibodies include gangliosides, myelin associated glycoprotein, Hu antigen and extractable nuclear antigens. Some recent studies support the pathogenic role of anti-GD1b ganglioside antibody in autoimmune ataxic neuropathies. The major site of pathology in autoimmune ataxic neuropathies is the dorsal root ganglion, but dorsal roots and peripheral nerve myelin and axons may also be affected. 相似文献
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K Morimoto H Sato Y Yamamoto T Watanabe H Suwaki 《Canadian Metallurgical Quarterly》1997,38(9):966-974
PURPOSE: We determined the antiepileptic profile of tiagabine (TGB), a selective gamma-aminobutyric acid (GABA) uptake inhibitor, in the rat kindling model of temporal lobe epilepsy (TLE). METHODS: The anticonvulsant and adverse effects of TGB were examined in amygdala- or hippocampal-kindled rats and compared with those of other GABA uptake inhibitors (SKF89976A and NNC-711) and conventional antiepileptic drugs [AEDs: valproate (VPA) and carbamazepine (CBZ)]. In addition, the antiepileptogenic effects of TGB on amygdala kindling development were examined. RESULTS: TGB (2.5-40 mg/kg intraperitoneally, i.p.) had potent and dose-dependent anticonvulsant effects on both amygdala- and hippocampal-kindled seizures. The order of anticonvulsant potency of the three GABA uptake inhibitors tested was: NNC-711 > TGB > SKF-89976A and paralleled the in vitro GABA uptake efficacy. In addition, daily treatment with TGB 10 mg/kg for 10 days significantly retarded kindling development. Although adverse effects of TGB on motor systems were significantly less than those of VPA and CBZ, high toxic doses of TGB often caused EEG paroxysm and myoclonus. CONCLUSIONS: Our results indicate the clinical usefulness of TGB for treatment of drug-resistant TLE. 相似文献
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The first MMIC local oscillator for 16-QAM digital microwave systems is presented. The key advance is achieving the very low phase noise required by such systems. Low phase noise is realized with a low phase noise VCO (voltage-controlled oscillator) that is installed into a new PLL (phase-locked loop). Although the developed local oscillator is 90% smaller than the existing Dielectric Resonator-based local oscillators, it achieves comparable receiver performance 相似文献
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Lee SE Elphick LM Kramer HB Jones AM Child ES Anderson AA Bonnac L Suwaki N Kessler BM Gouverneur V Mann DJ 《Chembiochem : a European journal of chemical biology》2011,12(4):633-640
The elucidation of signalling pathways relies heavily upon the identification of protein kinase substrates. Recent investigations have demonstrated the efficacy of chemical genetics using ATP analogues and modified protein kinases for specific substrate labelling. Here we combine N(6) -(cyclohexyl)ATPγS with an analogue-sensitive cdk2 variant to thiophosphorylate its substrates and demonstrate a pH-dependent, chemoselective, one-step alkylation to facilitate the detection or isolation of thiophosphorylated peptides. 相似文献
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