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| 1 | Mechanism of T cell hyporesponsiveness to HBcAg is associated with regulatory T cells in chronic hepatitis B显示文摘瞄准:由严峻的 TH1 和 TH2 承诺和规章的 T 房间学习 HBV 特定的 CD4+ T 房间的 hyporesponsiveness 的机制。方法:有长期的肝炎 B 的九个病人被注册。外部血单音的原子房间与 HBcAg 或 HBsAg 被刺激评估他们的潜力承诺 TH1 和 TH2 区别。规章的 T 房间的 HBcAg 特定的活动被与抗体染色到 CD4, CD25, CTLA-4 和 interleukin-10 评估。规章的 T 房间的角色被治疗进一步与 anti-interleukin-10 抗体和 CD4+CD25+ 房间的弄空估计。结果:为 T 赌注, IL-12R beta2 和 IL-4 的 mRNAs 的水平比在有 HBcAg 刺激的健康题目在病人是显著地更低的。尽管 CD4+CD25highCTLA-4+ T 房间的人口不在病人和健康题目之间是不同的, IL-10 secreting 房间响应 HBcAg 在病人在 CD4+ 房间和 CD4+CD25+ 房间被发现,并且他们没在与 HBsAg 被刺激的房间被发现。anti-IL-10 抗体的增加与控制抗体相比恢复了 HBcAg 特定的 TH1 抗体的数量(P <
0.01, 0.34%+/-0.12% 对 0.15%+/-0.04%) 。当时, CD4+CD25+ T 房间的删除增加了 HBcAg 特定的 TH1 抗体的数量与淋巴细胞相比使用规章的 T 房间重新组成(P <
0.01, 0.03%+/-0.02% 对 0.18%+/-0.05%) 。结论:结果显示到 HBcAg 的 T 房间 hyporesponsiveness 的机制响应 HBsAg 与承诺 TH2 的房间的增加相对照包括导致 HBcAg 的规章的 T 房间的激活。 | Yasuteru Kondo Koju Kobayashi Yoshiyuki Ueno Masaaki Shiina Hirofumi Niitsuma Noriatsu Kanno Tomoo Kobayashi Tooru Shimosegawa | 2006 | World Journal of Gastroenterology2006，12，27： | 16 |
| 2 | Pegylated interferon plus ribavirin for genotype Ib chronic hepatitis C in Japan显示文摘AIM:To evaluate the efficacy of pegylated interferon α-2b(peg-IFNα-2b) plus ribavirin(RBV) therapy in Japanese patients with chronic hepatitis C(CHC) genotype Ib and a high viral load.METHODS:One hundred and twenty CHC patients(58.3% male) who received peg-IFNα-2b plus RBV therapy for 48 wk were enrolled.Sustained virological response(SVR) and clinical parameters were evaluated.RESULTS:One hundred(83.3%) of 120 patients completed 48 wk of treatment.53 patients(44.3%) achieved SVR.Early virological response(EVR) and end of treatment response(ETR) rates were 50% and 73.3%,respectively.The clinical parameters(SVR vs non-SVR) associated with SVR,ALT(108.4 IU/L vs 74.5 IU/L,P = 0.063),EVR(76.4% vs 16.4%,P < 0.0001),adherence to peg-IFN(≥ 80% of planned dose) at week 12(48.1% vs 13.6%,P = 0.00036),adherence to peg-IFN at week 48(54.7% vs 16.2%,P < 0.0001) and adherence to RBV at week 48(56.1% vs 32.1%,P = 0.0102) were determined using univariate analysis,and EVR and adherence to peg-IFN at week 48 were determined using multivariate analysis.In the older patient group(> 56 years),SVR in females was significantly lower than that in males(17% vs 50%,P = 0.0262).EVR and adherence to Peg-IFN were demonstrated to be the main factors associated with SVR.CONCLUSION:Peg-IFNα-2b plus RBV combination therapy demonstrated good tolerability in Japanese patients with CHC and resulted in a SVR rate of 44.3%.Treatment of elderly female patients is still challenging and maintenance of adherence to peg-IFNα-2b is important in improving the SVR rate. | Takayuki Kogure Yoshiyuki Ueno Koji Fukushima Futoshi Nagasaki Yasuteru Kondo Jun Inoue Yasunori Matsuda Eiji Kakazu Takeshi Yamamoto Hiroyoshi Onodera Yutaka Miyazaki Hiromasa Okamoto Takehiro Akahane Tomoo Kobayashi Yutaka Mano Takao Iwasaki Motoyasu Ishii Tooru Shimosegawa | 2008 | World Journal of Gastroenterology2008，14，47： | 7 |
| 3 | Stronger inhibition of gastric acid secretion by lafutidine, a novel H_2 receptor antagonist, than by the proton pump inhibitor lansoprazole显示文摘AIM: To compare the antisecretory activity and plasma drug concentrations of a single oral dose of 10 mg lafutidine, a novel H2 receptor antagonist, with those of the proton pump inhibitor lansoprazole (LPZ) 30 mg. METHODS: Ten volunteers without H pylori infection participated in this crossover study comparing lafutidine 10 mg with LPZ 30 mg. Intragastric pH was monitored for 6 h in all participants, and blood samples were collected from four randomly selected individuals after single-dose administration of each drug. RESULTS: The median intragastric pH was significantly higher in individuals who received lafutidine 10 mg than in those who received LPZ 30 mg 2, 3, 4, 5, and 6 h after administration. Maximal plasma drug concentration was reached more promptly with lafutidine 10 mg than with LPZ 30 mg. CONCLUSION: In H pylori-negative individuals, gastric acid secretion is more markedly inhibited by lafutidinethan by LPZ. | Hatsushi Yamagishi Tomoyuki Koike Shuichi Ohara Toru Horii Ryousuke Kikuchi Shigeyuki Kobayashi Yasuhiko Abe Katsunori Iijima Akira Imatani Kaori Suzuki Takanori Hishinuma Junichi Goto Tooru Shimosegawa | 2008 | World Journal of Gastroenterology2008，14，15： | 3 |
| 4 | 厚靶D(d,n)~3He反应加速器中子源的产额、能谱和角分布(英文)显示文摘给出一种计算氘钛厚靶D(d,n)3He反应加速器中子源的产额、能谱和角分布的方法,并发展了一个计算机模拟程序,程序能够计算氘束流能量小于1.0 MeV的中子源的产额、能谱和角分布.计算时使用推荐的D(d,n)3He反应截面数据和来自SRIM-2003程序的氘在氘钛靶中的阻止本领数据.给出一些典型计算结果,包括中子积分产额、中子能谱和角分布. | 姚泽恩 杜洪新 谭新建 张宇 Tooru Kobayashi Gerard Bengua | 2008 | 计算物理2008，25，6： | 2 |
| 5 | Early effects of Lansoprazole orally disintegrating tablets on intragastric pH in CYP2C19 extensive metabolizers显示文摘AIM: To compare rabeprazole (RPZ; 10 mg) with Lansoprazole orally disintegrating tablets (LPZ; 30 mg OD) in terms of antisecretory activity and blood drug concentration after a single dose. METHODS: Eight H pylori-negative cytochrome P450 (CYP) 2C19 extensive metabolizers were assigned to receive a single oral dose of RPZ 10 mg or LPZ 30 mg OD. Twelve hour intragastric pH monitoring was perform- ed on the day of treatment. Blood samples were also collected after the administration of each drug. RESULTS: LPZ 30 mg OD induced a significantly earlier rise in blood drug concentration than RPZ 10 mg; consequently, LPZ 30 mg OD induced a significantly earlier rise in median pH in the third and fourth hours of the study. CONCLUSION: In H pylori-negative CYP2C19 extensive metabolizers, LPZ 30 mg OD induced a significantly faster inhibition of gastric acid secretion than RPZ 10 mg. | Hatsushi Yamagishi Tomoyuki Koike Shuichi Ohara Toru Horii Ryousuke Kikuchi Shigeyuki Kobayashi Yasuhiko Abe Katsunori Iijima Akira Imatani Kaori Suzuki Takanori Hishinuma Junichi Goto Tooru Shimosegawa | 2008 | World Journal of Gastroenterology2008，14，13： | 2 |
| 6 | Prevalence of gastroesophageal reflux symptoms in a large unselected general population in Japan显示文摘AIM:To examine the prevalence of gastroesophageal reflux disease (GERD) symptoms in a large unselected general population in Japan. METHODS: In Japan, mature adults are offered regular check-ups for the prevention of gastric cancer. A notice was sent by mail to all inhabitants aged > 40 years. A total of 160 983 Japanese (60 774 male, 100 209 female; mean age 61.9 years) who underwent a stomach check up were enrolled in this study. In addition, from these 160 983 subjects, we randomly selected a total of 82 894 (34 275 male, 48 619 female; mean age 62.4 years) to evaluate the prevalence of abdominal pain. The respective subjects were prospectively asked to complete questionnaires concerning the symptoms of heartburn, dysphagia, and abdominal pain for a 1 mo period. RESULTS: The respective prevalences of the symptoms in males and females were: heartburn, 15.8% vs 20.7%; dysphagia, 5.4% vs 7.8%; and abdominal pain, 6.6% vs 9.6%. Among these symptoms, heartburn was significantly high compared with the other symptoms, and the prevalence of heartburn was significantly more frequent in females than in males in the 60-89-year agegroup. Dysphagia was also significantly more frequent in female patients. CONCLUSION: The prevalence of typical GERD symptoms (heartburn) was high, at about 20% of the Japan population, and the frequency was especially high in females in the 60-89 year age group. | Hatsushi Yamagishi Tomoyuki Koike Shuichi Ohara Shigeyuki Kobayashi Ken Ariizumi Yasuhiko Abe Katsunori Iijima Akira Imatani Yoshifumi Inomata Katsuaki Kato Daisuke Shibuya Shigemitsu Aida Tooru Shimosegawa | 2008 | World Journal of Gastroenterology2008，14，9： | 2 |
| 7 | Evaluation of D(d,n)^3 He reaction neutron source models for BNCT irradiation system design显示文摘<正>A mathematical method was developed to calculate the yield,energy spectrum and angular distribution of neutrons from D(d,n)~3He(D-D)reaction in a thick deuterium-titanium target for incident deuterons in energies lower than 1.0MeV.The data of energy spectrum and angular distribution were applied to set up the neutron source model for the beam-shaping-assembly(BSA)design of Boron-Neutron-Capture-Therapy(BNCT)using MCNP-4C code. Three cases of D-D neutron source corresponding to incident deuteron energy of 1000,400 and 150 key were inves- tigated.The neutron beam characteristics were compared with the model of a 2.45 MeV mono-energetic and isotropic neutron source using an example BSA designed for BNCT irradiation.The results show significant differences in the neutron beam characteristics,particularly the fast neutron component and fast neutron dose in air,between the non-isotropic neutron source model and the 2.5 MeV mono-euergetic and isotropic neutron source model. | YAO Ze'en LUO Peng Tooru KOBAYASHI Gerard BENGUA | 2007 | Nuclear Science and Techniques2007，18，6： | 1 |
| 8 | Tongue-like Barrett's esophagus is associated with gastroesophageal reflux disease显示文摘AIM:To test this hypothesis of barrett esophagus (BE) classified into two types and to further determine if there was any correlation between the shape of endoscopically suspected esophageal metaplasia (ESEM), prevalence of reflux esophagitis (RE) and heartburn. METHODS: A total of 6504 Japanese who underwent endoscopy for their annual stomach check-up were enrolled in this study. BE was detected without histological confirmation that is ESEM. We originally classified cases of ESEM into 3 types based on its shape: Tongue-like (T type), Dome-like (D type) and Wave-like (W type) ESEM. The respective subjects were prospectively asked to complete questionnaires concerning the symptoms of heartburn, dysphagia, and abdominal pain for a one-month period. RESULTS: ESEM was observed in 10.3% of 6504 subjects (ESEM < 1 cm, 9.4%; 1 cm ≤ ESEM < 3 cm, 1.7%; ESEM ≥ 3 cm, 0.5%). The frequency of ESEM was significantly higher in males compared with female subjects. Statistical analysis showed that the prevalence of heartburn and RE were significantly higher in the T type ESEM than in the W type ESEM (P < 0.05). CONCLUSION: The T type ESEM was strongly associated with reflux symptoms and RE whereas the W type ESEM was not associated with GERD. | Hatsushi Yamagishi Tomoyuki Koike Shuichi Ohara Shigeyuki Kobayashi Ken Ariizumi Yasuhiko Abe Katsunori Iijima Akira Imatani Yoshifumi Inomata Katsuaki Kato Daisuke Shibuya Shigemitsu Aida Tooru Shimosegawa | 2008 | World Journal of Gastroenterology2008，14，26： | 0 |
| 9 | Brain activity following esophageal acid infusion using positron emission tomography显示文摘AIM: To investigate symptoms and brain activity following esophageal acid infusion. METHODS: Fifteen healthy volunteers were recruited for the study. Hydrochloric acid (pH 1 and 2) and distilled water (pH 7) were randomly and repeatedly infused into the esophagus. The brain activity was evaluated by positron emission tomography. The severity of heartburn elicited by the infusion was rated on an auditory analog scale of 0-10.RESULTS: The severity of heartburn following each infusion showed a step-wise increase with increasing acidity of the perfusate. The heartburn scores were significantly higher in the second pH 1 infusion compared with the first infusion. Acid and distilled water infusion induced activation of various brain areas such as the anterior insula, temporal gyrus, and anterior/ posterior cingulate cortex. At pH 1 or 2, in particular, activation was observed in some emotion-related brain areas such as the more anterior part of the anterior cingulate cortex, parahippocampal gyrus, or the temporal pole. Strong activation of the orbitofrontal cortex was found by subtraction analysis of the two second pH 1 infusions, with a significant increase of heartburn symptoms. CONCLUSION: Emotion-related brain areas were activated by esophageal acid stimulation. The orbitofrontal area might be involved in symptom processing, with esophageal sensitization induced by repeated acid stimulation. | Shigeyuki Kobayashi Yasuhiko Abe Manabu Tashiro Tomoyuki Koike Katsunori Iijima Akira Imatani Shuichi Ohara Satoshi Watanabe Shin Fukudo Tooru Shimosegawa | 2010 | World Journal of Gastroenterology2010，16，43： | 0 |
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