Hiroshi Kawai

ORCID: 0000-0001-6631-7682
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About
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Research Areas
  • Liver Disease Diagnosis and Treatment
  • Liver Diseases and Immunity
  • Circadian rhythm and melatonin
  • Catalytic C–H Functionalization Methods
  • Metastasis and carcinoma case studies
  • Hepatitis C virus research
  • Numerical methods in engineering
  • Medical Imaging and Pathology Studies
  • Lung Cancer Diagnosis and Treatment
  • Gastrointestinal Tumor Research and Treatment
  • Electromagnetic Scattering and Analysis
  • Gastric Cancer Management and Outcomes
  • Catalytic Cross-Coupling Reactions
  • Cancer Diagnosis and Treatment
  • Bladder and Urothelial Cancer Treatments
  • Peroxisome Proliferator-Activated Receptors
  • Advanced Numerical Methods in Computational Mathematics
  • Myasthenia Gravis and Thymoma
  • Renal and Vascular Pathologies
  • Fatigue and fracture mechanics
  • Renal cell carcinoma treatment
  • Matrix Theory and Algorithms
  • Pediatric Hepatobiliary Diseases and Treatments
  • Catalytic Alkyne Reactions
  • Blood Coagulation and Thrombosis Mechanisms

Fujita Health University
2017-2024

Fujita Health University Hospital
2019-2023

Okayama Rosai Hospital
2010-2023

Josai University
2017-2021

Maruho (Japan)
2021

University of Toyama
2021

Toyo University
2014-2021

Josai International University
2006-2021

Kobe University
2011-2021

Tonami General Hospital
2011-2021

Genes expressed in hepatocellular carcinoma (HCC) were analyzed using cDNA microarrays to clarify gene abnormalities HCC. mRNA was extracted from cancerous and noncancerous tissues of 10 patients with HCC, labeled Cy5 Cy3 fluorescence prepared, it hybridized for each patient a microarray consisting 1,080 elements (930 unique genes). The expression rate element HCC evaluated the level tissue as reference. genes enhanced 2 times or more compared 5 patients. In contrast, 9 at half less tissue....

10.1053/jhep.2001.23003 article EN Hepatology 2001-04-01

Direct C–H bond arylation of simple arenes with aryltin reagents has been successfully catalysed by PdCl2 in the presence CuCl2. CuCl2 proved to be an activator for a palladium intermediate as well oxidant.

10.1039/b717251f article EN Chemical Communications 2008-01-01

Energy metabolism, oxygen consumption rate (VO2), and respiratory quotient (RQ) in mice were monitored continuously throughout 12:12-h light-dark cycles before, during, after time-restricted feeding (RF). Mice fed ad libitum showed robust daily rhythms both parameters: high during the dark phase low light phase. The profile of energy metabolism under daytime-only was reversed at beginning first fasting night. A few days began, RF also circadian core body temperature rhythm. Moreover, for 6...

10.1152/ajpregu.00775.2005 article EN AJP Regulatory Integrative and Comparative Physiology 2005-12-29

<b>Background and aims:</b> α-Fetoprotein (AFP), a tumour marker for hepatocellular carcinoma (HCC), is associated with poor prognosis. Using cDNA microarray analysis, we previously found that ephrin-A1, an angiogenic factor, the most differentially overexpressed gene in AFP producing hepatoma cell lines. In present study, investigated significance of ephrin-A1 expression HCC. <b>Methods:</b> We examined its effect on proliferation five lines, three negative 20 human HCC specimens....

10.1136/gut.2004.049486 article EN cc-by Gut 2005-05-11

Abstract Direct C–H bond arylation of arenes with aryltrimethylsilanes catalyzed by PdCl2 in the presence CuCl2 as an oxidant has been developed. In addition to role oxidant, is found be necessary for selective cross-coupling reaction.

10.1246/cl.2011.1050 article EN Chemistry Letters 2011-09-01

This study investigated the roles of thromboxane A2 (TXA2), ADP and thrombin in middle cerebral artery (MCA) thrombosis rat. The rat MCA was occluded by a thrombus induced photochemical reaction rose bengal green light that causes endothelial damage followed platelet adhesion, aggregation formation fibrin-rich at site reaction. Vapiprost, specific TXA2-receptor antagonist; clopidogrel, which has thienopyridine structure ticlopidine is more potent inhibitor ADP-induced than ticlopidine;...

10.1254/jjp.67.253 article EN The Japanese Journal of Pharmacology 1995-01-01

We have developed a high resolution resist for laser thermal lithography and fabrication method this resist. designed material which has specific desired properties. aimed to raise the gasification temperature achieve sharply peaked profile so that holes are formed only in center of spot. were able perform with half pitch 40 nm. Furthermore, using result as dry etching mask, we on number materials, including SiO2 sapphire.

10.1143/apex.2.126502 article EN Applied Physics Express 2009-11-27

Hepatic encephalopathy (HE) is a syndrome observed in patients with liver dysfunction such as hepatitis and cirrhosis, characterized by cognitive impairment, personality changes, depressed level of consciousness. The detailed mechanism underlying the pathogenesis HE remains unclear. In present study, our aim was to establish an animal model for cirrhosis. Therefore, we carried out behavioral biochemical analysis cirrhotic rats after treatment thioacetamide (TAA) 20 weeks. subjected chronic...

10.2131/jts.37.1165 article EN The Journal of Toxicological Sciences 2012-01-01

Ischemic cerebral infarcts induce hypercoagulation and microthrombosis in the surrounding region, thus leading to vascular occlusion. We determined whether microthrombi contribute spreading of ischemic lesions following thrombotic middle artery (MCA) occlusion also argatroban, a selective thrombin inhibitor, reduces formation area lesions. The rat left MCA was occluded by platelet-rich thrombus formed photochemical reaction between rose bengal green light. Microthrombi were histologically...

10.1254/jjp.69.143 article EN The Japanese Journal of Pharmacology 1995-01-01

The application of methionine on wounded rice leaves induced the production phytoalexins, sakuranetin and momilactone A. This induction resulted from stimulation phenylalanine ammonia-lyase naringenin 7-O-methyltransferase activity. Jasmonic acid, ethylene, active oxygen species are important as signal transducers in disease resistance mechanisms. However, although endogenous level jasmonic acid rapidly increased reaction to wound, treatment could not JA production. Ethylene flavonoid...

10.1271/bbb.64.577 article EN Bioscience Biotechnology and Biochemistry 2000-01-01

FOLFIRINOX (FFX) and gemcitabine (GEM) plus nab-paclitaxel (GnP) have recently been available for treating pancreatic ductal adenocarcinoma (PDAC). We investigated trends in characteristics, treatment outcomes of unselected patients with unresectable PDAC real-life practice Japan. retrospectively reviewed the medical records 1085 diagnosed as having or recurrent multiple centers Hokuriku area between January 2009 July 2015. The incidence pathologically proven had increased from 18.7% to...

10.1093/jjco/hyy132 article EN Japanese Journal of Clinical Oncology 2018-08-29

Estimation of liver damage is important in the pathophysiological and toxicological study disease. As a novel, non-invasive marker damage, we studied efficacy urine bile acids (UBA) rat model Thioacetamide (TAA)-treated rats were used this study. Single intraperitoneal administration high-dose TAA induces severe to liver, thus as acute hepatitis. Continuous low-dose yields mild cirrhosis hepatic tumors. In study, it was found that both chronic associated with dose-dependent elevation UBA....

10.2131/jts.34.27 article EN The Journal of Toxicological Sciences 2009-01-01

Abstract OBJECTIVES The aim of the present study was to examine some initial results and learning curves concerning subxiphoid single-port thymectomy (SSPT), thereby clarifying safety this surgical approach describing precautions for adopting it. METHODS From March 2011 August 2019, a total 203 patients underwent either anterior mediastinal tumours or myasthenia gravis at Fujita Health University Hospital. Of these patients, 147 who had undergone SSPT were selected as participants study....

10.1093/ejcts/ezaa183 article EN European Journal of Cardio-Thoracic Surgery 2020-05-02
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