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| 1 | Combined treatment of vitamin K_2 and angiotensin-converting enzyme inhibitor ameliorates hepatic dysplastic nodule in a patient with liver cirrhosis显示文摘Although it is well known that the hepatocellular carcinoma (HCC) is an ominous complication in patients with liver cirrhosis, there has been no approved drug to prevent the development of HCC to date. We previously reported that the combined treatment of vitamin K2 (VK) and angiotensin-converting enzyme inhibitor (ACE-I) significantly suppressed the experimental hepatocarcinogenesis. A 66-year-old Japanese woman with hepatitis C virus (HCV)-related liver cirrhosis developed a dysplastic nodule in the liver detected by enhanced computed tomography along with elevation of the tumor markers, namely, alpha-fetoprotein (AFP) and lectin-reactive demarcation (AFP-L3), suggesting the presence of latent HCC. After oral administration of VK and ACE-I, the serum levels of both AFP and AFP-L3 gradually decreased without any marked alteration of the serum aminotransferase activity. After one-year treatment, not only the serum levels of AFP and AFP-L3 returned to the normal ranges, but also the dysplastic nodule disappeared. Since both VK and ACE-I are widely used without serious side effects, this combined regimen may become a new strategy for chemoprevention against HCC. | Hitoshi Yoshiji Ryuichi Noguchi Masaharu Yamazaki Yasuhide Ikenaka Masayoshi Sawai Masatoshi Ishikawa Hideto Kawaratani Tsuyoshi Mashitani Mitsuteru Kitade Kosuke Kaji Masahito Uemura Junichi Yamao Masao Fujimoto Akira Mitoro Masahisa Toyohara Motoyuki Yoshida Hiroshi Fukui | 2007 | World Journal of Gastroenterology2007，13，23： | 5 |
| 2 | Eosinophilic cholecystitis along with pericarditis caused by Ascaris lumbricoides: A case report显示文摘Although the etiology of eosinophilic cholecystitis is still obscure, the postulated causes include allergies, parasites, hypereosinophilic syndrome, and eosinophilic gastroenteritis. It is sometimes accompanied by several complications, but a simultaneous onset with pericarditis is very rares. A 28-year-old woman complained of acute right hypocondrial pain and dyspnea associated with systemic eruption. Several imaging modalities revealed acute cholecystitis and pericarditis with massive pericardial effusion. A marked peripheral blood eosinophilia was observed, and the eruption was diagnosed as urticaria. Her serum had a high titer of antibody against Ascaris lumbricoides . Treatment with albendazole drastically improved all clinical manifestations along with normalization of the imaging features and eosinophilia. We report herein a rare case of simultaneous onset of acute cholecystitis and pericarditis associated with a marked eosinophilia caused by parasitic infection. | Kosuke Kaji Hitoshi Yoshiji Masahide Yoshikawa Masaharu Yamazaki Yasuhide Ikenaka Ryuichi Noguchi Masayoshi Sawai Masatoshi Ishikawa Tsuyoshi Mashitani Mitsuteru Kitade Hideto Kawaratani Masahito Uemura Junichi Yamao Masao Fujimoto Akira Mitoro Masahisa Toyohara Motoyuki Yoshida Hiroshi Fukui | 2007 | World Journal of Gastroenterology2007，13，27： | 3 |
| 3 | Incisional Surgical Site Infection after Elective Open Surgery for Colorectal Cancer显示文摘 | Kosuke Ishikawa Takaya Kusumi Masao Hosokawa Yasunori Nishida Sosuke Sumikawa Hiroshi Furukawa Steven Heys | 2014 | International Journal of Surgical Oncology2014，，： | 1 |
| 4 | Characterization of tantalum capacitor fabricated with a conducting polypyrrole as a counter electrode显示文摘 | Satoh Masaharu Ishikawa Hitoshi Amanio Kosuke | 1995 | Synth Met1995，71，： | 1 |
| 5 | Oral tolerance is inducible during active dextran sulfate sodium-induced colitis显示文摘AIM:To investigate whether oral tolerance is inducible during the active phase of dextran sulfate sodium(DSS)-induced colitis.METHODS:Colitis was induced in 6-to 8-wk-old female BALB/c mice by the administration of 2%DSS.To induce oral tolerance,mice that received water with DSS[DSS(+)]and mice that received autoclaved water[DSS(-)]were intragastrically(i.g.)administered ovalbumin(OVA)as a tolerogen before systemic challenge with OVA.Following this,serum levels of OVA-specific Ig E antibodies were measured.In mice with activecolitis,CD4+CD25+Foxp3+cell and B10 cell frequencies were evaluated using flow cytometry.Cytokine m RNA expression profiles were evaluated by reverse transcription real-time polymerase chain reaction.RESULTS:Regardless of the presence of DSS colitis,OVA-specific immunoglobulin E concentrations were significantly reduced in mice that were i.g.administered OVA compared to mice that were i.g.administered PBS[DSS(+):4.4(4.2-9.5)ng/m L vs 83.9(66.1-123.2)ng/m L,P<0.01;DSS(-):27.7(0.1-54.5)ng/m L vs116.5(80.6-213.6)ng/m L,P<0.01].These results demonstrated that oral tolerance was induced in both the presence and absence of colitis.In the spleen and mesenteric lymph nodes(MLN),the frequencies of CD4+CD25+Foxp3+cells and B10 cells,both of which are associated with oral tolerance,did not significantly change.In the spleen,interferon-γm RNA expression significantly decreased in mice with colitis[DSS(+):0.42(0.31-0.53)vs DSS(-):1.00(0.84-1.39),P<0.01].The expression levels of other cytokines did not significantly change.CONCLUSION:Oral tolerance is inducible during active DSS colitis.The stability of regulatory cell populations in the spleen and MLN in colitis might correlate with these results. | Satoshi Ino Chikara Kohda Kosuke Takeshima Hiroki Ishikawa Tomoko Norose Toshiko Yamochi Masafumi Takimoto Hiroshi Takahashi Kazuo Tanaka | 2016 | World Journal of Gastrointestinal Pharmacology and Therapeutics2016，7，2： | 1 |
| 6 | Film formation of condcting polypyrrole and its application to tantalum capacitor显示文摘 | Satoh Masaharu Ishikawa Hitoshi Amanio Kosuke | 1997 | NEC Res Dev1997，36，3： | 1 |
| 7 | Simulation of isolated operation in fault condition by loop power flow controller显示文摘 | Naotaka Okada Hiromu Kobayashi Tadao Ishikawa Kiyoshi Takigawa Kosuke Kurokawa | 2005 | Control Engineering Practice2005，，12： | 1 |
| 8 | Identification of microbial metabolites that accelerate the ubiquitindependent degradation of c-Myc显示文摘Myc belongs to a family of proto-oncogenes that encode transcription factors.The overexpression of c-Myc causes many types of cancers.Recently,we established a system for screening c-Myc inhibitors and identified antimycin A by screening the RIKEN NPDepo chemical library.The specific mechanism of promoting tumor cell metastasis by high c-Myc expression remains to be explained.In this study,we screened approximately 5,600 microbial extracts using this system and identified a broth prepared from Streptomyces sp.RK19-A0402 strongly inhibits c-Myc transcriptional activity.After purification of the hit broth,we identified compounds closely related to the aglycone of cytovaricin and had a structure similar to that of oligomycin A.Similar to oligomycin A,the hit compounds inhibited mitochondrial complex V.The mitochondria dysfunction caused by the compounds induced the production of reactive oxygen species(ROS),and the ROS activated GSK3α/βthat phosphorylated c-Myc for ubiquitination.This study provides a successful screening strategy for identifying natural products as potential c-Myc inhibitors as potential anticancer agents. | ZIYU LIU AKIKO OKANO EMIKO SANADA YUSHI FUTAMURA TOSHIHIKO NOGAWA KOSUKE ISHIKAWA KENTARO SEMBA JIANG LI XIAOMENG LI HIROYUKI OSADA NOBUMOTO WATANABE | 2023 | Oncology Research2023，31，5： | 0 |
| 9 | Clinical utility of treatment method conversion during single-session endoscopic ultrasound-guided biliary drainage显示文摘BACKGROUND Although several techniques for endoscopic ultrasound-guided biliary drainage(EUS-BD)are available at present,an optimal treatment algorithm of EUS-BD has not yet been established.AIM To evaluate the clinical utility of treatment method conversion during single endoscopic sessions for difficult cases in initially planned EUS-BD.METHODS This was a single-center retrospective analysis using a prospectively accumulated database.Patients with biliary obstruction undergoing EUS-BD between May 2008 and April 2016 were included.The primary outcome was to evaluate the improvement in EUS-BD success rates by converting the treatment methods during a single endoscopic session.Secondary outcomes were clarification of the factors leading to the conversion from the initial EUS-BD and the assessment of efficacy and safety of the conversion as judged by technical success,clinical success,and adverse events(AEs).RESULTS A total of 208 patients underwent EUS-BD during the study period.For 18.8%(39/208)of the patients,the treatment methods were converted to another EUSBD technique from the initial plan.Biliary obstruction was caused by pancreatobiliary malignancies,other malignant lesions,biliary stones,and other benign lesions in 22,11,4,and 2 patients,respectively.The reasons for the difficulty with the initial EUS-BD were classified into the following 3 procedures:Target puncture(n=13),guidewire manipulation(n=18),and puncture tract dilation(n=8).Technical success was achieved in 97.4%(38/39)of the cases and clinical success was achieved in 89.5%of patients(34/38).AEs occurred in 10.3%of patients,including bile leakage(n=2),bleeding(n=1),and cholecystitis(n=1).The puncture target and drainage technique were altered in subsequent EUSBD procedures in 25 and 14 patients,respectively.The final technical success rate with 95%CI for all 208 cases was 97.1%(95%CI:93.8%-98.9%),while that of the initially planned EUS-BD was 78.8%(95%CI:72.6%-84.2%).CONCLUSION Among multi-step procedures in EUS-BD,guidewire manipulation appeared to be the most technically challenging.When initially planned EUS-BD is technically difficult,treatment method conversion in a single endoscopic session may result in successful EUS-BD without leading to severe AEs. | Kosuke Minaga Mamoru Takenaka Kentaro Yamao Ken Kamata Shunsuke Omoto Atsushi Nakai Tomohiro Yamazaki Ayana Okamoto Rei Ishikawa Tomoe Yoshikawa Yasutaka Chiba Tomohiro Watanabe Masatoshi Kudo | 2020 | World Journal of Gastroenterology2020，26，9： | 0 |
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