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| 1 | Correlation between hepatic blood flow and liver function in alcoholic liver cirrhosis显示文摘AIM:To elucidate the correlation between hepatic blood flow and liver function in alcoholic liver cirrhosis(AL-LC).METHODS:The subjects included 35 patients with ALLC(34 men,1 woman;mean age,58.9±10.7 years;median age,61 years;range:37-76 years).All patientswere enrolled in this study after obtaining written informed consent.Liver function was measured with tests measuring albumin(Alb),prothrombin time(PT),brain natriuretic peptide(BNP),branched amino acid and tyrosine ratio(BTR),branched chain amino acid(BCAA),tyrosine,ammonia(NH3),cholinesterase(Ch E),immunoreactive insulin(IRI),total bile acid(TBA),and the retention rate of indocyanine green 15 min after administration(ICG R15).Hepatic blood flow,hepatic arterial tissue blood flow(HATBF),portal venous tissue blood flow(PVTBF),and total hepatic tissue blood flow(THTBF)were simultaneously calculated using xenon computed tomography.RESULTS:PVTBF,HATBF and THTBF were 30.2±10.4,20.0±10.7,and 50.3±14.9 m L/100 m L/min,respectively.Alb,PT,BNP,BTR,BCAA,tyrosine,NH3,Ch E,IRI,TBA,and ICG R15 were 3.50±0.50 g/d L,72.0%±11.5%,63.2±56.7 pg/m L,4.06±1.24,437.5±89.4μmol/L,117.7±32.8μmol/L,59.4±22.7μg/d L,161.0±70.8 IU/L,12.8±5.0μg/d L,68.0±51.8μmol/L,and 28.6%±13.5%,respectively.PVTBF showed a significant negative correlation with ICG R15(r=-0.468,P<0.01).No significant correlation was seen between ICG 15R,HATBF and THTBF.There was a significant correlation between PVTBF and Alb(r=0.2499,P<0.05),and NH3 tended to have an inverse correlation with PVTBF(r=-0.2428,P=0.0894).There were also many significant correlations between ICG R15 and liver function parameters,including Alb,NH3,PT,BNP,TBA,BCAA,and tyrosine(r=-0.2156,P<0.05;r=0.4318,P<0.01;r=0.4140,P<0.01;r=0.3610,P<0.05;r=0.5085,P<0.001;r=0.4496,P<0.01;and r=0.4740,P<0.05,respectively).CONCLUSION:Our investigation showed that there is a close correlation between liver function and hepatic blood flow. | Hideaki Takahashi Ryuta Shigefuku Yoshihito Yoshida Hiroki Ikeda Kotaro Matsunaga Nobuyuki Matsumoto Chiaki Okuse Shigeru Sase Fumio Itoh Michihiro Suzuki | 2014 | World Journal of Gastroenterology2014，20，45： | 14 |
| 2 | Chromoendoscopy of gastric adenoma using an acetic acid indigocarmine mixture显示文摘AIM:To investigate the usefulness of chromoendoscopy,using an acetic acid indigocarmine mixture(AIM),for gastric adenoma diagnosed by forceps biopsy.METHODS:A total of 54 lesions in 45 patients diagnosed as gastric adenoma by forceps biopsy were prospectively enrolled in this study and treated by endoscopic submucosal dissection(ESD)between January 2011 and January 2012.AIM-chromoendoscopy(AIMCE)was performed followed by ESD.AIM solution was sprinkled and images were recorded every 30 s for 3min.Clinical characteristics such as tumor size(<2cm,≥2 cm),surface color in white light endoscopy(WLE)(whitish,normochromic or reddish),macroscopic appearance(flat or elevated,depressed),and reddish change in AIM-CE were selected as valuables.RESULTS:En bloc resection was achieved in all 54 cases,with curative resection of fifty two lesions(96.3%).Twenty three lesions(42.6%)were diagnosed as welldifferentiated adenocarcinoma and the remaining 31lesions(57.4%)were gastric adenoma.All adenocarcinoma lesions were well-differentiated tubular adenocarcinomas and were restricted within the mucosal layer.The sensitivity of reddish color change in AIM-CE is significantly higher than that in WLE(vs tumor size≥2 cm,P=0.016,vs normochromic or reddish surface color,P=0.046,vs depressed macroscopic type,P=0.0030).On the other hand,no significant differences were found in the specificity and accuracy.In univariate analysis,normochromic or reddish surface color in WLE(OR=3.7,95%CI:1.2-12,P=0.022)and reddish change in AIM-CE(OR=14,95%CI:3.8-70,P<0.001)were significantly related to diagnosis of early gastric cancer(EGC).In multivariate analysis,only reddish change in AIM-CE(OR=11,95%CI:2.3-66,P=0.0022)was a significant factor associated with diagnosis of EGC.CONCLUSION:AIM-CE may have potential for screening EGC in patients initially diagnosed as gastric adenoma by forceps biopsy. | Yoshiyasu Kono Ryuta Takenaka Yoshiro Kawahara Hiroyuki Okada Keisuke Hori Seiji Kawano Yasushi Yamasaki Koji Takemoto Takayoshi Miyake Shigeatsu Fujiki Kazuhide Yamamoto | 2014 | World Journal of Gastroenterology2014，20，17： | 12 |
| 3 | Tolerability of magnifying narrow band imaging endoscopy for esophageal cancer screening显示文摘AIM:To compare the tolerability of magnifying narrow band imaging endoscopy for esophageal cancer screening with that of lugol chromoendoscopy.METHODS:We prospectively enrolled and analyzed 51 patients who were at high risk for esophageal cancer.All patients were divided into two groups:a magnifying narrow band imaging group,and a lugol chromoendoscopy group,for comparison of adverse symptoms.Esophageal cancer screening was performed on withdrawal of the endoscope.The primary endpoint was a score on a visual analogue scale for heartburn after the examination.The secondary endpoints were scale scores for retrosternal pain and dyspnea after the examinations,change in vital signs,total procedure time,and esophageal observation time.RESULTS:The scores for heartburn and retrosternal pain in the magnifying narrow band imaging group were significantly better than those in the lugol chromoendoscopy group(P =0.004,0.024,respectively,ANOVA for repeated measures).The increase in heart rate after the procedure was significantly greater in the lugol chromoendoscopy group.There was no significant difference between the two groups with respect to othervital sign.The total procedure time and esophageal observation time in the magnifying narrow band imaging group were significantly shorter than those in the lugol chromoendoscopy group(450 ± 116 vs 565 ± 174,P =0.004,44 ± 26 vs 151 ± 72,P < 0.001,respectively).CONCLUSION:Magnifying narrow band imaging endoscopy reduced the adverse symptoms compared with lugol chromoendoscopy.Narrow band imaging endoscopy is useful and suitable for esophageal cancer screening periodically. | Yasushi Yamasaki Ryuta Takenaka Keisuke Hori Koji Takemoto Seiji Kawano Yoshiro Kawahara Hiroyuki Okada Shigeatsu Fujiki Kazuhide Yamamoto | 2015 | World Journal of Gastroenterology2015，21，9： | 5 |
| 4 | Pro-and anti-epileptic roles of microglia显示文摘Microglia are brain-resident immune cells that contribute to the maintenance of brain homeostasis.In the epileptic brain, microglia show various activation phenotypes depending on the stage of epileptogenesis.Therefore, it remains unclear whether microglial activation acts in a pro-epileptic or anti-epileptic manner.In mesial temporal lobe epilepsy, one of the most common form of epilepsies, microglia exhibit at least two distinct morphologies, amoeboid shape and ramified shape.Amoeboid microglia are often found in sclerotic area, whereas ramified microglia are mainly found in non-sclerotic area;however, it remains unclear whether these structurally distinct microglia share separate roles in the epileptic brain.Here, we review the roles of the two distinct microglial phenotypes, focusing on their pro-and anti-epileptic roles in terms of inflammatory response, regulation of neurogenesis and microglia-neuron interaction. | Shinichi Kinoshita Ryuta Koyama | 2021 | Neural Regeneration Research2021，16，7： | 5 |
| 5 | Pulmonary artery sarcoma successfully treated by right pneumonectomy after definitive diagnosis显示文摘Pulmonary artery sarcoma(PAS)is a rare and lethal neoplasm that is usually diagnosed during surgery or autopsy.Early diagnosis and radical surgical resection offer the only chance for survival.However,making a preoperative histopathological diagnosis is quite difficult.We encountered a 57-year-old woman presenting a PAS that mimicked a pulmonary thromboembolism.After confirming a definitive diagnosis using a catheter suction biopsy,we successfully performed a right pneumonectomy via a median sternotomy without cardiopulmonary bypass.Eighteen months after surgery,no recurrence was observed. | Ryuta Fukai Kyu Rokkaku Yoshihito Irie Takao Imazeki Yoshiaki Katada Hiroyoshi Watanabe Yoshihiko Ueda Hideaki Miyamoto Masayuki Chida | 2013 | World Journal of Clinical Oncology2013，4，4： | 4 |
| 6 | Exercise,microglia,and beyond–workout to communicate with microglia显示文摘Microglia are brain-resident immune cells that use their ramified processes to survey the brain parenchyma.They maintain brain homeostasis by mediating immune responses through cytokine release,phagocytosing pathogens and protein aggregation(Salter et al.,2017).Furthermore,in both healthy and disease states,microglia interacting with neurons regulate synaptic formation,elimination and plasticity(Salter et al.,2017).It is thought that these functions may be altered by environmental stimuli such as lifestyle,stress,infection and air pollution,the effects of which may result in brain dysfunction and the development of neurodegenerative diseases(Branchi et al.,2014;Hanamsagar et al.,2017). | Megumi Andoh Ryuta Koyama | 2020 | Neural Regeneration Research2020，15，11： | 3 |
| 7 | Management of gastric mucosa-associated lymphoid tissue lymphoma in patients with extra copies of the MALT1 gene显示文摘AIM To identify the clinical features of gastric mucosaassociated lymphoid tissue(MALT) lymphoma with extra copies of MALT1.METHODS This is a multi-centered,retrospective study. We reviewed 146 patients with MALT lymphoma in the stomach who underwent fluorescence in situ hybridization analysis for t(11;18) translocation. Patients were subdivided into patients without t(11;18) translocation or extra copies of MALT1(Group A,n = 88),patients with t(11;18) translocation(Group B,n = 27),and patients with extra copies of MALT1(Group C,n = 31). The clinical background,treatment,and outcomes of each group were investigated.RESULTS Groups A and C showed slight female predominance,whereas Group B showed slight male predominance. Mean ages and clinical stages at lymphoma diagnosis were not different between groups. Complete response was obtained in 61 patients in Group A(69.3%),22 in Group B(81.5%),and 21 in Group C(67.7%). Helicobacter pylori(H. pylori) eradication alone resulted in complete remission in 44 patients in Group A and 13 in Group C. In Group B,14 patients underwent radiotherapy alone,which resulted in lymphoma disappearance. Although the difference was not statistically significant,event-free survival in Group C tended to be inferior to that in Group A(P = 0.10).CONCLUSION Patients with t(11;18) translocation should be treated differently from others. Patients with extra copies of MALT1 could be initially treated with H. pylori eradication,similar to patients without t(11;18) translocation or extra copies of MALT1. | Masaya Iwamuro Ryuta Takenaka Masahiro Nakagawa Yuki Moritou Shunsuke Saito Shinichiro Hori Tomoki Inaba Yoshinari Kawai Tatsuya Toyokawa Takehiro Tanaka Tadashi Yoshino Hiroyuki Okada | 2017 | World Journal of Gastroenterology2017，23，33： | 3 |
| 8 | Primary biliary cholangitis metachronously complicated with combined hepatocellular carcinoma-cholangiocellular carcinoma and hepatocellular carcinoma显示文摘Primary biliary cholangitis(PBC) is a progressive cholestatic liver disease characterized by the presence of highly specific antimitochondrial antibodies, portal inflammation and lymphocyte-dominated destruction of the intrahepatic bile ducts, which leads to cirrhosis. While its pathogenesis remains unclear, PBC that shows histological progression to fibrosis carries a high risk of carcinogenesis; the same is true of viral liver diseases. In patients with PBC, the development of hepatocellular carcinoma(HCC) is rare; the development of combined hepatocellular carcinoma and cholangiocellular carcinoma(c HCC-CCC) is extraordinary. Herein, we report a rare case of PBC metachronously complicated by c HCC-CCC and HCC, which, to the best of our knowledge, has never been reported. We present a case report of a 74-year-old Japanese woman who was diagnosed as PBC in her 40's by using blood tests and was admitted to our department for further management of an asymptomatic liver mass. She had a tumor of 15 mm in size in segment 8 of the liver and underwent a partial resection of the liver. Subsequent pathological findings resulted in the diagnosis of c HCC-CCC, arising from stage 3 PBC. One year after the initial hepatectomy, a second tumor of 10 mm in diameter was found in segment 5 of the liver; a partial resection of the liver was performed. Subsequent pathological findings led to HCC diagnosis. The component of HCC in the initial tumor displayed a trabecular growth pattern while the second HCC showed a pseudoglandular growth pattern, suggesting that metachronous tumors that arise from PBC are multicentric. | Ryuta Ide Akihiko Oshita Takashi Nishisaka Hideki Nakahara Shiomi Aimitsu Toshiyuki Itamoto | 2017 | World Journal of Hepatology2017，9，36： | 2 |
| 9 | Randomized study of lafutidine vs lansoprazole in patients with mild gastroesophageal reflux disease显示文摘AIM: To compare the clinical efficacy of the secondgeneration H2 RA lafutidine with that of lansoprazole in Japanese patients with mild gastroesophageal reflux disease(GERD). METHODS: Patients with symptoms of GERD and a diagnosis of grade A reflux esophagitis(according to the Los Angeles classification) were randomized to receive lafutidine(10 mg, twice daily) or lansoprazole(30 mg, once daily) for an initial 8 wk, followed by maintenance treatment comprising half-doses of the assigned drug for 24 wk. The primary endpoint was the frequency and severity of heartburn during initial and maintenance treatment. The secondary endpoints were the sum score of questions 2 and 3 in the Gastrointestinal Symptom Rating Scale(GSRS), and the satisfaction score.RESULTS: Between April 2012 and March 2013, a total of 53 patients were enrolled, of whom 24 and 29 received lafutidine and lansoprazole, respectively. After 8 wk, the frequency and severity of heartburn was significantly reduced in both groups. However, lafutidine was significantly inferior to lansoprazole with regard to the severity of heartburn during initial and maintenance treatment(P = 0.016). The sum score of questions 2 and 3 in the GSRS, and satisfaction scores were also significantly worse in the lafutidine group than the lansoprazole group(P = 0.0068 and P = 0.0048, respectively).CONCLUSION: The clinical efficacy of lafutidine was inferior to that of lansoprazole, even in Japanese patients with mild GERD. | Ryuta Takenaka Hiroyuki Okada Seiji Kawano Yoshinori Komazawa Fumiya Yoshinaga Shinji Nagata Masafumi Inoue Hirohisa Komatsu Seiji Onogawa Yoshinori Kushiyama Shinichi Mukai Hiroko Todo Hideharu Okanobu Noriaki Manabe Shinji Tanaka Ken Haruma Yoshikazu Kinoshita | 2016 | World Journal of Gastroenterology2016，22，23： | 2 |
| 10 | Signal transducer and activator of transcription 3 regulation by novel binding partners显示文摘Signal transducers and activators of transcription(STATs) mediate essential signals for various biological processes,including immune responses,hematopoiesis,and neurogenesis. STAT3,for example,is involved in the pathogenesis of various human diseases,including cancers,autoimmune and inflammatory disorders. STAT3 activation is therefore tightly regulated at multiple levels to prevent these pathological conditions. A number of proteins have been reported to associate with STAT3 and regulate its activity. These STAT3-interacting proteins function to modulate STAT3-mediated signaling at various steps and mediate the crosstalk of STAT3 with other cellular signaling pathways. This article reviews the roles of novel STAT3 binding partners such as DAXX,zipperinteracting protein kinase,Krüppel-associated box-associated protein 1,Y14,PDZ and LIM domain 2 and signal transducing adaptor protein-2,in the regulation of STAT3-mediated signaling. | Tadashi Matsuda Ryuta Muromoto Yuichi Sekine Sumihito Togi Yuichi Kitai Shigeyuki Kon Kenji Oritani | 2015 | World Journal of Biological Chemistry2015，6，4： | 2 |
| 11 | Ureteral calculi secondary to a gradually migrated acupuncture needle显示文摘We herein presented a case of calculi secondary to a migrated acupuncture needle.A 74-year-old woman with a history of acupuncture therapy for lumbago was referred to our hospital for treatment of ureteral and renal pelvic calculi.Abdominal multi-detector computed tomography scans showed ipsilateral hydronephrosis and two calculi secondary to a migrated acupuncture needle.First,a percutaneous nephrolithotomy was performed to extract two calculi and fine needle fragments from the pelvis.Subsequently,residual needle fragments and calculi in the ureter were then removed by flexible transurethral lithotripsy using a holmium laser.In the present case,the formation of the calculi was caused by a migrated acupuncture needle.Calculi and needle fragments were removed safely endoscopically because the whole calculi and needle fragments were located in the ureteral lumen.ª2021 Editorial Office of Asian Journal of Urology.Production and hosting by Elsevier B.V.This is an open access article under the CC BY-NC-ND license(http://gffzzeb6f7f563f66445dhpkw6vn9vfnuw65vv.ffgz.tsg.suse.edu.cn/licenses/by-nc-nd/4.0/). | Masahiro Matsuki Atsushi Wanifuchi Ryuta Inoue Fumiyasu Takei Yasuharu Kunishima | 2021 | Asian Journal of Urology2021，8，1： | 2 |
| 12 | Endoscopic submucosal dissection for cancers of the remnant stomach after distal gastrectomy显示文摘 | Ryuta Takenaka Yoshiro Kawahara Hiroyuki Okada Takao Tsuzuki Satoru Yagi Jun Kato Nobuya Ohara Tadashi Yoshino Atsushi Imagawa Shigeatsu Fujiki Rie Takata Masahiro Nakagawa Motowo Mizuno Tomoki Inaba Tatsuya Toyokawa Kohsaku Sakaguchi | 2008 | Gastrointestinal Endoscopy2008，，2： | 2 |
| 13 | Occurrence and clinicotopographieal correlates of brainstem infarction in patients with diabetes mellitus 显示文摘 | Hiroo I Ayako K Ryuta K | 2011 | J Stroke Cerebrovasc Dis2011，6，： | 1 |
| 14 | Structural, Dielectric, and Piezoelectric Properties of Mn-Doped BaTiO3-Bi(Mgl/2Til/2)O3-BiFeO3 Ceramics显示文摘 | Iehiro F Ryuta M Kouichi N | 2011 | Japanese Journal of Applied Physics2011，50，9： | 1 |
| 15 | Nitriding of steel surface by spraying pulsed-arc plasma jet under at- mospheric pressure 显示文摘 | Ryuta Ichiki Hirokazu Nagamatsu Yuta Yasumatsu Tada- suke Iwao Shuichi Akamine Seiji Kanazawa | 2012 | Materials Letters2012，，71： | 1 |
| 16 | Developmental plasticity of Th17 and Treg cells显示文摘 | Yun Kyung Lee Ryuta Mukasa Robin D Hatton Casey T Weaver | 2009 | Current Opinion in Immunology2009，，3： | 1 |
| 17 | Production of thick high-performance sintered neodymium magnets by grain boundary diffusion treatment with dysprosium-nickel-aluminum alloy显示文摘 | Naoko Oono Masato Sagawa Ryuta Kasada | 2011 | Journal of Magnetism and Magnetic Materials2011，323，3： | 1 |
| 18 | Regulation of transforming growth factor beta signaling by protein inhibitor of activated STAT, PIASy through Smad3显示文摘 | Seiyu I Kenji S Ryuta M | 2003 | J Biol Chem2003，278，34： | 1 |
| 19 | Application of palladium( Ⅱ ) complex with hidentate phosphine sulfide ligands to palladium-catalyzed C--C coupling reaction 显示文摘 | Sen-ichi Aizawa Mayumi Kondo Ryuta Miyatake | 2007 | Inorganica Chimica Acta2007，360，： | 1 |
| 20 | Triptolide, an active compound indentified in atraditional Chinese herb, induces apoptosis of rheumatoid synovial fibroblasts 显示文摘 | Natsuko Kusunoki Ryuta Yamazaki Hidero Kitasato | 2004 | BMC Pharmacol2004，4，1： | 1 |
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