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The Number of Ezrin-Expressing Lymphocytes Correlating with Tumor Cell Apoptosis and Prognosis of Human Gastric Carcinoma

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Open Journal of Gastroenterology 2014年第9期4卷 310-320页

作者： Takeshi matsubara Noriyuki Hirahara Ryouji Hyakudomi Yoshitsugu Tajima The Department of Digestive and General Surgery Faculty of Medicine Shimane University Izumo City Japan

Background: Ezrin is a linker protein between actin filaments and cell adhesion molecules, which plays an important role in cancer progression. There are only a few studies available that have investigated ezrin expression in different types of tumors. However, the prognostic importance of ezrin and its correlation with clinicopathological characteristics are yet to be delineated in gastric carcinoma. Methods: Specimens from 124 gastric carcinoma patients of T2 and T3 diseases treated in a defined period with curative operation were evaluated for ezrin, CD8 and cleaved caspase-3 expression by immunohistochemical methods. Results: Ezrin expression was detected in both cancer cells and interstitial cells (ISCs) infiltrated into the tumor. According to our criterion, 37 patients (29.8%) were positive for ezrin expression and 87 (70.2%) were negative. A significant correlation between ezrin expression and any of the clinicopathological characteristics could not be found. In Spearman-rank correlation test, a significant correlation was found between the number of ezrin-stained ISCs and apoptotic index (AI) of cancer cells. Also the AI of cancer cells was significantly higher in ezrin-positive group when compared with ezrin-negative group. Patients with ezrin-expressing tumors had a significantly better disease-free survival, and in multivariable analysis ezrin expression status remained significant as an independent prognostic factor. Conclusion: Taken together, our results suggest that ezrin expression may play a vital role in tumor apoptosis and that it can be a useful tool for therapeutic intervention.

关键词： Ezrin Apoptosis Gastric Carcinoma Prognosis

Three cases of Solitary Peutz-Jeghers-type hamartomatous polyp in the duodenum

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World Journal of Gastroenterology 2008年第6期14卷 944-947页

作者： Seiyuu Suzuki Shoji Hirasaki Fusao Ikeda Eiichiro Yumoto Hiromichi Yamane Minoru matsubara Department of Internal Medicine Sumitomo Besshi Hospital Niihama Japan

A solitary Peutz-Jeghers-type hamartomatous polyp in the duodenum is rare, and few reports have described its characteristic endoscopic features. We describe three cases of solitary Peutz-Jeghers-type hamartomatous polyp and their endoscopic findings in detail. The polyp in all of our three cases showed an irregularly lobular or nodular surface, whereas adenomas often show a regularly nodular or granular surface. The color of the polyp was whitish in all of our cases. In the present cases, close observation by endoscopy revealed that the solitary Peutz-Jeghers-type hamartomatous polyps looked whitish because of the presence of diffusely scattered white spots on the surface of the polyps. Duodenal polyps that exhibit the aforementioned endoscopic characteristics may be diagnosed as Peutz-Jeghers-type hamartomatous polyps and treated by polypectomy because of the malignant potential.

关键词： Duodenal polyp Hamartoma Peutz-Jeghers polyp

Authentication and Genetic Origin of Medicinal <i>Angelica acutiloba</i>Using Random Amplified Polymorphic DNA Analysis

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American Journal of Plant Sciences 2013年第2期4卷 269-273页

作者： Kiyoshi matsubara Satoshi Shindo Hitoshi Watanabe Fumio Ikegami Center for Environment Health and Field Sciences Chiba University Kashiwa Japan

Some Angelica species are used for medicinal purposes. In particular, the roots of Angelica acutiloba var. acutiloba and A. acutiloba var. sugiyamae, known as “Toki” and “Hokkai Toki”, respectively, are used as important medicinal materials in traditional Japanese medicine. However, since these varieties have recently outcrossed with each other, it is difficult to determine whether the Japanese Angelica Root material used as a crude drug is the “pure” variety. In this study, we developed an efficient method to authenticate A. acutiloba var. acutiloba and A. acutiloba var. sugiyamae from each other and from other Angelica species/varieties. The random amplified polymorphic DNA (RAPD) method efficiently discriminated each Angelica variety. A. acutiloba var. sugiyamae was identified via a characteristic fragment amplified by the decamer primer OPD-15. This fragment showed polymorphisms among Angelica species/varieties. The unique fragment derived from A. acutiloba var. sugiyamae was also found in one strain of A. acutiloba var. acutiloba, implying that this strain arose from outcrossing between A. acutiloba var. acutiloba and A. acutiloba var. sugiyamae. This RAPD marker technique will be useful for practical and accurate authentication among A. acutiloba var. acutiloba, A. acutiloba var. sugiyamae, and their adulterants.

关键词： Angelica acutiloba Intraspecific Variation Kampo Medicine Random Amplified Polymorphic DNA (RAPD)

Carriers Multiplication in Neighboring Surfactant-Free Silicon Nanocrystals Produced by 3D-Surface Engineering in Liquid Medium

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材料科学与工程（中英文A版） 2013年第3期3卷 187-191页

作者： Vladimir Svrcek Davide Mariotti Koiji matsubara Michio Kondo Research Center for Photovoltaics National Institute of Advanced Industrial Science and Technology (AIST) Tsukuba 305-8568 Japan Nanotechnology and Integrated Bio-Engineering Centre (NIBEC) University of Ulster UK

Clinically diagnosed late-onset fulminant Wilson's disease without cirrhosis: A case report

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World Journal of Gastroenterology 2018年第2期24卷 290-296页

作者： Takahiro Amano Tokuhiro matsubara Tsutomu Nishida Hiromi Shimakoshi Akiyoshi Shimoda Aya Sugimoto Kei Takahashi Kaori Mukai Masashi Yamamoto Shiro Hayashi Sachiko Nakajima Koji Fukui Masami Inada Department of Gastroenterology and Hepatology Toyonaka Municipal Hospital

A 64-year-old woman was referred to our hospital with jaundice of the bulbar conjunctiva and general fatigue. After admission, she developed hepatic encephalopathy and was diagnosed with fulminant hepatitis based on the American Association for the Study of Liver Disease(AASLD) position paper. Afterwards, additional laboratory findings revealed that serum ceruloplasmin levels were reduced, urinary copper levels were greatly elevated and Wilson's disease(WD)-specific routine tests were positive, but the Kayser-Fleischer ring was not clear. Based on the AASLD practice guidelines for the diagnosis and treatment of WD, the patient was ultimately diagnosed with fulminant WD. Then, administration of penicillamine and zinc acetate was initiated; however, the patient unfortunately died from acute pneumonia on the 28 th day of hospitalization. At autopsy, the liver did not show a bridging pattern of fibrosis suggestive of chronic liver injury. Here, we present the case of a patient with clinically diagnosed late-onset fulminant WD without cirrhosis, who had positive disease-specific routine tests.

关键词： Wilson’s disease Fulminant hepatitis Lateonset Liver cirrhosis Copper

Sinusoidal wavelength-scanning interferometer using an acousto-optic tunable filter with double feedback control for real-time distance measurement

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Sinusoidal wavelength-scanning interferometer using an acous...

Calcified and Non-Calcified Ductal Carcinoma <i>in Situ</i>: Contrast-Enhanced MRI Features and Pathological Correlation

2008 International Conference on Optical Instruments and Technology

作者： Osami Sasaki Daiki matsubara Takamasa Suzuki Faculty of Engineering Niigata University8050Ikarashi 2Niigata-shi 950-2181Japan

Optical path difference(OPD)and amplitude of a sinusoidal wavelength-scanning(SWS)are controlled with double feedback control system in an SWS interferometer,so that a ruler marking every wavelength and a ruler with scales smaller than a wavelength are *** two rulers enable us to measure an OPD longer than a *** acousto-optic tunable filter(AOTF)is adopted as a wavelength-scanning *** frequency of the SWS is 10 KHZ,and the measurement time required to reach a stable point of the control system is about *** measurement range is from 65μm to 190μm with the measurement error less than 4nm.

关键词： interferometer wavelength scanning feedback control distance measurement.

来源： cnki会议评论

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Open Journal of Radiology 2017年第3期7卷 151-163页

作者： Hitomi Tani Ryusuke Murakami Tomoyuki Kuwako Shinichiro Kumita Miyuki matsubara Department of Radiology Nippon Medical School Tokyo Japan Division of Diagnostic Pathology Nippon Medical School Tokyo Japan

Background: Early detection of ductal carcinoma in situ (DCIS) is essential for improving the prognosis of breast cancer. Among mammographically detected DCIS cases, approximately 10% - 20% of DCIS cases are manifested as non-calcified. Purpose: To evaluate differences in MRI findings and histological features between mammographically evident non-calcified and calcified DCIS. Material and Methods: This study included 84 cases of pathologically proven DCIS in 82 patients who underwent preoperative breast MRI. The lesions were divided into non-calcified and calcified DCIS according to the presence of calcifications on mammography. MRI features were analyzed according to the enhancement pattern. The pathologic features were also reviewed. Results: Among the 84 DCIS cases, 30 (36%) were classified as non-calcified DCIS, and 54 (64%) as calcified DCIS on mammography. On MRI, 27% (8/30) of non-calcified DCIS and 17% (9/54) calcified DCIS presented as mass enhancement, 73% (22/30) non-calcified DCIS and 83% (45/54) calcified DCIS presented as non-mass enhancements. No significant difference in the type of lesion was observed between non-calcified and calcified DCIS (p = 0.274). Histopathologically, high nuclear grade, presence of necrosis, and presence of HER-2 status were more common in calcified DCIS than in non-calcified DCIS (p Conclusion: There were no significant differences in MRI findings between non-calcified and calcified DCIS. However, calcified DCIS had more aggressive histological features than non-calcified DCIS.

关键词： Ductal Carcinoma in Situ Mammography Microcalcification Magnetic Resonance Imaging

Impact of time from diagnosis to chemotherapy in advanced gastric cancer: A Propensity Score Matching Study to Balance Prognostic Factors

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World Journal of Gastrointestinal Oncology 2019年第1期11卷 28-38页

作者： Tsutomu Nishida Aya Sugimoto Ryo Tomita Yu Higaki Naoto Osugi Kei Takahashi Kaori Mukai Tokuhiro matsubara Dai Nakamatsu Shiro Hayashi Masashi Yamamoto Sachiko Nakajima Koji Fukui Masami Inada Department of Gastroenterology Toyonaka Municipal Hospital

BACKGROUND It is unclear whether treatment delay affects the clinical outcomes of chemotherapy in advanced gastric cancer(A-GC).AIM To assess whether treatment delay affects the clinical outcomes of chemotherapy in *** This single-center retrospective study examined consecutive patients with A-GC between April 2012 and July 2018. In total, 110 patients with stage Ⅳ A-GC who underwent chemotherapy were enrolled. We defined the wait time(WT) as the interval between diagnosis and chemotherapy initiation. We evaluated the influence of WT on overall survival(OS).RESULTS The mean OS was 303 d. The median WT was 17 d. We divided the patients into early and elective WT groups, with a 2-wk cutoff point. There were 46 and 64 patients in the early and elective WT groups, respectively. Compared with the elective WT group, the early WT group had significantly lower albumin(Alb)levels and higher neutrophil/lymphocyte ratios and C-reactive protein(CRP)levels but not a lower performance status. The elective WT group underwent more combination chemotherapy than did the early WT group. OS was different between the two groups(230 d vs 340 d, respectively). Multivariate analysis revealed that higher CRP levels, lower Alb levels and monotherapy were significantly related to a poor prognosis. To minimize potential selection bias,patients in the elective WT group were 1:1 propensity score matched with patients in the early WT group; no significant difference in OS was found(303 d vs 311 d, respectively, log-rank P = 0.9832).CONCLUSION A longer WT in patients with A-GC does not appear to be associated with a worse prognosis.

关键词： Advanced gastric cancer Waiting time Chemotherapy Prognosis Overall survival

Endoscopic occlusion with silicone spigots for the closure of refractory esophago-bronchiole fistula after esophagectomy

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World Journal of Gastroenterology 2017年第28期23卷 5253-5256页

作者： Masaya Uesato Tsuguaki Kono Yasunori Akutsu Kentarou Murakami Akiko Kagaya Yorihiko Muto Akira Nakano Mizuho Aikawa Tomohide Tamachi Hiroyuki Amagai Takahiro Arasawa Yasuhide Muto Hisahiro matsubara Department of Frontier Surgery Chiba University Graduate School of Medicine

A 65-year-old man with cT1bN0M0 stage I middle thoracic esophageal cancer underwent subtotal esophagectomy and gastric tube reconstruction through the posterior mediastinal route after preoperative carbon-ion radiotherapy and chemotherapy in a clinical trial. Anastomotic leakage occurred, but it spontaneously improved. At six months after the operation, he was rehospitalized with a cough and dysphagia. An esophago-bronchiole fistula and stenosis of the gastric tube were observed. He first underwent stent placement in the gastric tube. Two weeks later, the syringeal epithelium was burned by argon plasma coagulation after stent removal. Endoscopic occlusion was then performed for the fistula with two guidewire-assisted silicone spigots. Two weeks later, he was discharged on an oral diet, and he has not developed recurrence of the fistula or cancer for three years. This is the first report of endoscopic occlusion with a guidewire-assisted silicone spigot through the esophagus.

关键词： Endobronchial Watanabe spigot Guidewire Fistula Leakage Esophagectomy Esophageal cancer Endoscopic occlusion