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| 1 | Apoptosis and non-alcoholic fatty liver diseases显示文摘The number of patients with nonalcoholic fatty liver diseases(NAFLD) including nonalcoholic steatohepatitis(NASH), has been increasing. NASH causes cirrhosis and hepatocellular carcinoma(HCC) and is one of the most serious health problems in the world. The mechanism through which NASH progresses is still largely unknown. Activation of caspases, Bcl-2 family proteins, and c-Jun N-terminal kinase-induced hepatocyte apoptosis plays a role in the activation of NAFLD/NASH. Apoptotic hepatocytes stimulate immune cells and hepatic stellate cells toward the progression of fibrosis in the liver through the production of inflammasomes and cytokines. Abnormalities in glucose and lipid metabolism as well as microbiota accelerate these processes. The production of reactive oxygen species, oxidative stress, and endoplasmic reticulum stress is also involved. Cell death, including apoptosis, seems very important in the progression of NAFLD and NASH. Recently, inhibitors of apoptosis have been developed as drugs for the treatment of NASH and may prevent cirrhosis and HCC. Increased hepatocyte apoptosis may distinguish NASH from NAFLD, and the improvement of apoptosis could play a role in controlling the development of NASH. In this review, the association between apoptosis and NAFLD/NASH are discussed. This review could provide their knowledge, which plays a role in seeing the patients with NAFLD/NASH in daily clinical practice. | Tatsuo Kanda Shunichi Matsuoka Motomi Yamazaki Toshikatsu Shibata Kazushige Nirei Hiroshi Takahashi Tomohiro Kaneko Mariko Fujisawa Teruhisa Higuchi Hitomi Nakamura Naoki Matsumoto Hiroaki Yamagami Masahiro Ogawa Hiroo Imazu Kazumichi Kuroda Mitsuhiko Moriyama | 2018 | World Journal of Gastroenterology2018,24,25: | 32 |
| 2 | Improving recognition of hepatic perivascular epithelioid cell tumor:Case report and literature review显示文摘A 58-year-old man presented with the chief complaint of abdominal bloating and was incidentally found to have a liver tumor.As diagnostic imaging studies could not rule out malignancy,the patient underwent partial resection of segment 3 of the liver.The lesion pathologically showed eosinophilic proliferation,in addition to immunohistochemical positivity for human melanoma black 45 and Melan-A,thereby leading to the diagnosis of a hepatic perivascular epithelioid cell tumor(PEComa).A PEComa arising from the liver is relatively rare.Moreover,the name ‘PEComa' has not yet been widely recognized,and the same disease entity has been called epithelioid angiomyolipoma(EAML),further diminishing the recognition of PEComa.In addition,PEComa imaging findings mimic those of malignant liver tumors,and clinically,this tumor tends to enlarge.Therefore,a PEComa is difficult to diagnose.We conducted a systematic review of PEComa and EAML cases and discuss the results,including findings useful for differentiating perivascular epithelioid cell tumors from malignant liver tumors. | Toshiya Maebayashi Katsumi Abe Takuya Aizawa Masakuni Sakaguchi Naoya Ishibashi Osamu Abe Tadatoshi Takayama Hisashi Nakayama Shunichi Matsuoka Kazushige Nirei Hitomi Nakamura Masahiro Ogawa Masahiko Sugitani | 2015 | World Journal of Gastroenterology2015,21,17: | 20 |
| 3 | Clinical significance of serum procalcitonin in patients with ulcerative colitis显示文摘AIM:To investigate the association of procalcitonin(PCT)with ulcerative colitis(UC)activity.METHODS:Serum PCT levels,C-reactive protein(CRP)levels,the erythrocyte sedimentation rate,and the white blood cell count were analyzed in 18 patients with UC and 11 healthy volunteers.Serum PCT levels were analyzed by an electrochemiluminescence immunoassay.Severity assessments were based on Truelove and Witts’severity index.Correlation of serum PCT and CRP levels with UC activity was examined.Moreover,we assessed serum PCT and CRP levels in patients with a Mayo endoscopic subscore.RESULTS:Serum PCT levels in severe UC patients(n=7)(0.096±0.034 ng/mL)were significantly higher than in mild-to-moderate UC patients(n=11)(0.033±0.012 ng/mL)and healthy volunteers(n=11)(0.035±0.005 ng/mL)(P=0.0005 and P<0.0001,respectively).In addition,there was no difference in serum PCT levels between mild-to-moderate UC patients and healthy volunteers.Interestingly,patients with a Mayo endoscopic subscore of 3 points displayed significantly increased levels of serum PCT(0.075±0.043 ng/mL)compared with patients with a subscore of 2 points(0.03±0.011 ng/mL)(P=0.0302).Moreover,CRP levels in patients with severe UC or a Mayo endoscopic subscore of 3 points were not significantly higher than in patients with mild-to-moderate UC or a Mayo endoscopic subscore of 3 points.CONCLUSION:Serum PCT levels were significantly correlated with UC activity. | Shigeo Koido Toshifumi Ohkusa Kazuki Takakura Shunichi Odahara Shintaro Tsukinaga Toyokazu Yukawa Jimi Mitobe Mikio Kajihara Kan Uchiyama Hiroshi Arakawa Hisao Tajiri | 2013 | World Journal of Gastroenterology2013,19,45: | 15 |
| 4 | Gefitinib versus cisplatin plus docetaxel in patients with non-small-cell lung cancer harbouring mutations of the epidermal growth factor receptor (WJTOG3405): an open label, randomised phase 3 trial显示文摘 | Tetsuya Mitsudomi Satoshi Morita Yasushi Yatabe Shunichi Negoro Isamu Okamoto Junji Tsurutani Takashi Seto Miyako Satouchi Hirohito Tada Tomonori Hirashima Kazuhiro Asami Nobuyuki Katakami Minoru Takada Hiroshige Yoshioka Kazuhiko Shibata Shinzoh Kudoh Ei | 2010 | Lancet Oncology2010,,2: | 8 |
| 5 | Gastric cancer treated in 2002 in Japan: 2009 annual report of the JGCA nationwide registry显示文摘 | Atsushi Nashimoto Kohei Akazawa Yoh Isobe Isao Miyashiro Hitoshi Katai Yasuhiro Kodera Shunichi Tsujitani Yasuyuki Seto Hiroshi Furukawa Ichiro Oda Hiroyuki Ono Satoshi Tanabe Michio Kaminishi | 2013 | Gastric Cancer2013,,1: | 6 |
| 6 | Imaging pitfalls of pancreatic serous cystic neoplasm and its potential mimickers显示文摘The aim of this article is to clarify diagnostic pitfalls of pancreatic serous cystic neoplasm(SCN) that may result in erroneous characterization. Usual and unusual imaging findings of SCN as well as potential SCN mimickers are presented. The diagnostic key of SCN is to look for a cluster of microcysts(honeycomb pattern), which may not be always found in the center. Fibrosis in SCN may be mistaken for a mural nodule of intraductal papillary mucinous neoplasm(IPMN). The absence of cyst wall enhancement may be helpful to distinguish SCN from mucinous cystic neoplasm. However, oligocystic SCN and branch duct type IPMN may morphologically overlap. In addition, solid serous adenoma, an extremely rare variant of SCN, is difficult to distinguish from neuroendocrine tumor. | Kousei Ishigami Akihiro Nishie Yoshiki Asayama Yasuhiro Ushijima Yukihisa Takayama Nobuhiro Fujita Shunichi Takahata Takao Ohtsuka Tetsuhide Ito Hisato Igarashi Shuji Ikari Catherine M Metz Hiroshi Honda | 2014 | World Journal of Radiology2014,6,3: | 6 |
| 7 | Measurement of prostaglandin metabolites is useful in diagnosis of small bowel ulcerations显示文摘BACKGROUND We recently reported on a hereditary enteropathy associated with a gene encoding a prostaglandin transporter and referred to as chronic enteropathy associated with SLCO2 A1 gene(CEAS). Crohn's disease(CD) is a major differential diagnosis of CEAS, because these diseases share some clinical features. Therefore, there is a need to develop a convenient screening test to distinguish CEAS from CD.AIM To examine whether prostaglandin E major urinary metabolites(PGE-MUM) can serve as a biomarker to distinguish CEAS from CD.METHODS This was a transactional study of 20 patients with CEAS and 98 patients with CD.CEAS was diagnosed by the confirmation of homozygous or compound heterozygous mutation of SLCO2 A1. We measured the concentration of PGEMUM in spot urine by radioimmunoassay, and the concentration was compared between the two groups of patients. We also determined the optimal cut-off value of PGE-MUM to distinguish CEAS from CD by receiver operating characteristic(ROC) curve analysis.RESULTS Twenty Japanese patients with CEAS and 98 patients with CD were enrolled.PGE-MUM concentration in patients with CEAS was significantly higher than that in patients with CD(median 102.7 vs 27.9 μg/g × Cre, P < 0.0001). One log unit increase in PGE-MUM contributed to 7.3 increase in the likelihood for the diagnosis of CEAS [95% confidence interval(CI) 3.2-16.7]. A logistic regression analysis revealed that the association was significant even after adjusting confounding factors(adjusted odds ratio 29.6, 95%CI 4.7-185.7). ROC curve analysis revealed the optimal PGE-MUM cut-off value for the distinction of CEAS from CD to be 48.9 μg/g × Cre with 95.0% sensitivity and 79.6% specificity.CONCLUSION PGE-MUM measurement is a convenient, non-invasive and useful test for the distinction of CEAS from CD. | Yuichi Matsuno Junji Umeno Motohiro Esaki Yoichiro Hirakawa Yuta Fuyuno Yasuharu Okamoto Atsushi Hirano Shigeyoshi Yasukawa Fumihito Hirai Toshiyuki Matsui Shuhei Hosomi Kenji Watanabe Naoki Hosoe Haruhiko Ogata Tadakazu Hisamatsu Shunichi Yanai Shuji Kochi Koichi Kurahara Tsuneyoshi Yao Takehiro Torisu Takanari Kitazono Takayuki Matsumoto | 2019 | World Journal of Gastroenterology2019,25,14: | 5 |
| 8 | 过氧化氢生产与利用的新进展显示文摘过氧化氢既可用作环境友好的绿色氧化剂,也可用作燃料电池中的太阳能燃料,因而受到越来越多的关注.本文综述了太阳能驱动分子氧氧化水制备过氧化氢及其作为绿色氧化剂和燃料的研究进展.利用太阳能将水的e^(-)和4e^(-)氧化与分子氧的e^(-)还原相结合,使光催化生产过氧化氢成为可能;本文讨论了与e^(-)和4e^(-)水氧化选择性及e^(-)和4e^(-)氧还原选择性相关的催化反应控制.由于光催化e^(-)氧化水和e^(-)还原分子氧的过程都产生过氧化氢,因此该组合的催化效率较高.太阳能光驱动水氧化及分子氧还原生产过氧化氢与过氧化氢催化氧化底物相结合,在该过程中分子氧用作最环保的氧化剂. | Shunichi Fukuzumi Yong-Min Lee Wonwoo Nam | 2021 | Chinese Journal of Catalysis2021,42,8: | 5 |
| 9 | Contrast-enhanced ultrasonographic findings of serum amyloid A-positive hepatocellular neoplasm: Does hepatocellular adenoma arise in cirrhotic liver?显示文摘Hepatocellular adenoma(HCA) was recently classified into four pathological subtypes. There have been few studies describing the findings of contrast-enhanced ultrasonography(CEUS) of each type. Our case concerns a 78-year-old man who had undergone routine medical check-ups for hepatitis C for 11 years. Abdominal ultrasonography showed a 28 mm, hypo-echoic mass in the segment 4 of the liver. His integrating amount of drinking was 670 kg convert into ethanol. CEUS with Sonazoid demonstrated mild uniform hypo-enhancement with inflow of microbubbles from the periphery of the tumor in the arterial phase, and heterogeneously hypo-enhancement in the post vascular phase. Because the mass increased in size within 3 mo, a well differentiated hepatocellular carcinoma was suspected, and hepatic resection was performed. Microscopic findings showed homogeneous cell proliferation with low grade atypia, infiltration of inflammatory cells, ductular reactions, fatty deposit in part, and sinusoidal dilation. Immunohistochemistry revealed geographic positive for serum amyloid A(SAA), focal positive for glutaminesynthetase, diffuse and strong positive for C-reactive protein, and positive for liver-type fatty acid binding protein. These pathological features corresponded to that of an inflammatory HCA. However, we could not make a clear diagnosis, because HCAs were defined as not to arise in cirrhotic liver. Finally, this tumor was diagnosed as a SAA positive hepatocellular neoplasm. | Mariko Kumagawa Naoki Matsumoto Yukinobu Watanabe Midori Hirayama Takao Miura Hiroshi Nakagawara Masahiro Ogawa Shunichi Matsuoka Mitsuhiko Moriyama Tadatoshi Takayama Masahiko Sugitani | 2016 | World Journal of Hepatology2016,8,26: | 4 |
| 10 | 金属—碳复合材料导电弓滑板的耐磨性显示文摘在当今电力机车运输中,迫切要求降低维修费用。在接触线/导电弓系统中,人们最需要的是降低接触线的磨损率。使用碳作为接触板材料能有效地减少接触线的磨损。然而,普通碳材料已不能适应高速车辆或大电流负载的要求。因此有必要把金属与碳结合起来以满足这一要求。本文描述了金属—碳复合材料耐磨性及其影响因素之间关系的研究结果。 | SHUNICHI KUBO 陈宁 | 1998 | 国外机车车辆工艺1998,,6: | 4 |
| 11 | Apparent diffusion coefficient in cervical cancer of the uterus: comparison with the normal uterine cervix显示文摘 | Shinji Naganawa Chiho Sato Hisashi Kumada Takeo Ishigaki Shunichi Miura Osamu Takizawa | 2005 | European Radiology2005,,1: | 4 |
| 12 | Toosendanin-induced Ca^(2+) Conductance Increase in Neuroblastoma×Giioma Hybrid Cells显示文摘Toosendanin (TSN), a triterpenoid derivative extracted from the bark of Melia toosendan Seib et Zucc and used in Chinese traditional medicine as an anthelmintic against ascaris, is a presynaptic neuromuscular blocker. Without affecting the nerve conduction, the muscle resting potential as well as acetylcholine (ACh) sensitivity of the muscle membrane at the end-plate region, TSN blocks the neuromuscular transmission selectively by inhibiting ACh release from the motor nerve terminals. It was interesting to notice | 施玉樑 Furuya Kishio 王文萍 Terakawa Susumu 徐科 Yamagishi Shunichi | 1993 | Chinese Science Bulletin1993,38,17: | 4 |
| 13 | Results of radical distal pancreatectomy with en bloc resection of the celiac artery for locally advanced cancer of the pancreatic body显示文摘 | Satoshi Kondo Hiroyuki Katoh Satoshi Hirano Yoshiyasu Ambo Eiichi Tanaka Shunichi Okushiba Toshiaki Morikawa | 2003 | Langenbeck’s Archives of Surgery2003,,2: | 3 |
| 14 | Practical fecal calprotectin cut-off value for Japanese patients with ulcerative colitis显示文摘AIM To determine appropriate fecal calprotectin cut-off values for the prediction of endoscopic and histologic remission in Japanese patients with ulcerative colitis(UC). METHODS We performed a cross-sectional observational study of 131 Japanese patients with UC and measured fecal calprotectin levels by fluorescence enzyme immunoassay. The clinical activity of UC was assessed with the partial Mayo score(PMS). Relapse was defined as increase of PMS by 2 points or more in stool frequency or rectal bleeding subscore. The endoscopic and histologic activities of UC were evaluated in 50 patients within a 2-mo period from fecal sampling. Endoscopic activity was determined by Mayo endoscopic subscore, Rachmilewitz endoscopic index, and ulcerative colitis endoscopic index of severity. The histologic grade of inflammation was evaluated with biopsy specimens obtained from the endoscopically most severely inflamed site, according to the scheme by Matts grade and Riley's score.RESULTS Fecal calprotectin levels varied from 1-20783 μg/g. There was a significant correlation between the partial Mayo score and fecal calprotectin levels(r = 0.548, P < 0.001). In 50 patients who underwent colonoscopy with biopsy, levels were significantly correlated with the Mayo endoscopic subscore(r = 0.574, P < 0.001), Rachmilewitz endoscopic index(r = 0.628, P < 0.001), ulcerative colitis endoscopic index of severity(r = 0.613, P < 0.001), Riley's histologic score(r = 0.400, P = 0.006), and Matts grade(r = 0.586, P < 0.001). Receiver-operating characteristic analyses identified the best cut-off value for the prediction of endoscopic remission as 288 μg/g, with an area under the curve of 0.777 or 0.823, while that for histologic remission was 123 or 125 μg/g, with an AUC of 0.881 or 0918, respectively. Of the 131 study patients, 88 patients in clinical remission were followed up 6 mo. During the follow-up period, 19 patients relapsed. The best fecal calprotectin cut-off value for predicting relapse was 175 μg/g.CONCLUSION Fecal calprotectin is a predictive biomarker for endoscopic and histologic remission in Japanese patients with UC. | Jun Urushikubo Shunichi Yanai Shotaro Nakamura Keisuke Kawasaki Risaburo Akasaka Kunihiko Sato Yosuke Toya Kensuke Asakura Takahiro Gonai Tamotsu Sugai Takayuki Matsumoto | 2018 | World Journal of Gastroenterology2018,24,38: | 3 |
| 15 | Current Immunotherapeutic Approaches in Pancreatic Cancer显示文摘 | Shigeo Koido Sadamu Homma Akitaka Takahara Yoshihisa Namiki Shintaro Tsukinaga Jimi Mitobe Shunichi Odahara Toyokazu Yukawa Hiroshi Matsudaira Keisuke Nagatsuma Kan Uchiyama Kenichi Satoh Masaki Ito Hideo Komita Hiroshi Arakawa Toshifumi Ohkusa Jianlin Go | 2011 | Clinical and Developmental Immunology2011,,: | 3 |
| 16 | Intraductal Papillary Mucinous Neoplasms of the Pancreas With Distinct Pancreatic Ductal Adenocarcinomas Are Frequently of Gastric Subtype显示文摘 | Noboru Ideno Takao Ohtsuka Hiroshi Kono Kenji Fujiwara Yasunori Oda Shinichi Aishima Tetsuhide Ito Kousei Ishigami Shoji Tokunaga Kenoki Ohuchida Shunichi Takahata Masafumi Nakamura Kazuhiro Mizumoto Masao Tanaka | 2013 | Annals of Surgery2013,,1: | 2 |
| 17 | Development of a Novel Robotic Catheter Manipulating System with Fuzzy PID Control显示文摘 | Xu Ma Shuxiang Guo Nan Xiao Jian Guo Shunichi Yoshida Takashi Tamiya Masahiko Kawanishi | 2012 | International Journal of Intelligent Mechatronics and Robotics (IJIMR)2012,,2: | 2 |
| 18 | Role of tumor-associated macrophages in the progression of hepatocellular carcinoma显示文摘 | Ken Shirabe Yohei Mano Jun Muto Rumi Matono Takashi Motomura Takeo Toshima Kazuki Takeishi Hidekaki Uchiyama Tomoharu Yoshizumi Akinobu Taketomi Masaru Morita Shunichi Tsujitani Yoshihisa Sakaguchi Yoshihiko Maehara | 2012 | Surgery Today2012,,1: | 2 |
| 19 | Reevaluation of the Indications for Radical Pancreatectomy to Treat Pancreatic Carcinoma: Is Portal Vein Infiltration a Contraindication?显示文摘 | Masaya Kawada Satoshi Kondo Shunichi Okushiba Toshiaki Morikawa Hiroyuki Katoh | 2002 | Surgery Today2002,,7: | 2 |
| 20 | Effect of Medical Treatment in Stroke Patients With Patent Foramen Ovale: Patent Foramen Ovale in Cryptogenic Stroke Study显示文摘 | Shunichi Homma Ralph L. Sacco Marco R. Di Tullio Robert R. Sciacca J. P. Mohr | 2002 | Circulation: Journal of the American Heart Association2002,,: | 2 |