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| 1 | Aberrant gene methylation in the peritoneal fluid is a risk factor predicting peritoneal recurrence in gastric cancer显示文摘AIM:To investigate whether gene methylation in the peritoneal fluid (PF) predicts peritoneal recurrence in gastric cancer patients.METHODS: The gene methylation of CHFR (checkpoint with forkhead and ring finger domains), p16, RUNX3 (runt-related transcription factor 3), E-cadherin, hMLH1 (mutL homolog 1), ABCG2 (ATP-binding cassette, sub-family G, member 2) and BNIP3 (BCL2/adenovirus E1B 19 kDa interacting protein 3) were analyzed in 80 specimens of PF by quantitative methylation-specific polymerase chain reaction (PCR). Eighty patients were divided into 3 groups; Group A (n=35):the depth of cancer invasion was less than the muscularis propria; Group B (n=31): the depth of cancer invasion was beyond the muscularis propria. Both group A and B were diagnosed as no cancer cells in peritoneal cytology and histology; Group C (n=14): disseminated nodule was histologically diagnosed or cancer cells were cytologically defi ned in the peritoneal cavity.RESULTS: The positive rates of methylation in CHFR, E-cadherin and BNIP3 were significantly different among the 3 groups and increased in order of group A, B and C (0%,0% and 21% in CHFR, P<0.05; 20%, 45% and 50% in E-cadherin, P<0.05;26%,35% and 71% in BNIP3, P<0.05). In addition, the multigene methylation rate among CHFR, E-cadherin and BNIP3 was correlated with group A, B and C (9%,19% and 57%, P<0.001). Moreover, the prognosis was analyzed in group B, excluding 3 patients who underwent a non-curative resection. Two of the 5 patients with multigene methylation showed peritoneal recurrence after surgery, while those without or with a single gene methylation did not experience recurrence (P<0.05).CONCLUSION: This study suggested that gene methylation in the PF could detect occult neoplastic cells in the peritoneum and might be a risk factor for peritoneal metastasis. | Masatsugu Hiraki Yoshihiko Kitajima Seiji Sato Jun Nakamura Kazuyoshi Hashiguchi Hirokazu Noshiro Kohji Miyazaki | 2010 | World Journal of Gastroenterology2010，16，3： | 20 |
| 2 | 在子宫癌病人联合应用FDG-PET和增强CT成像对检出盆腔与主动脉旁淋巴结转移的准确性显示文摘本研究的目的是以外科手术和组织病理为标准,评估联合应用18FFDG—PET/增强CT成像对检出子宫癌病人盆腔与主动脉旁淋巴结转移的准确性。45例子宫内膜癌或宫颈癌的病人行PET/CT检查后,行子宫根治术,包括盆腔淋巴结清扫伴或不伴主动脉旁淋巴结切除。PET/CT表现由2位有经验的放射医生解释,并达成一致意见。在PET/CT影像上.以淋巴结示踪剂摄取的增加而非淋巴结的大小作为判断恶性标准。以淋巴结为单位,PET/CT检测淋巴结转移的总体敏感度、 | K. Kitajima K. Murakami E. Yamasaki Y. Kaji K. Sugimura 杨秀娟(译) 刘筠(校) | 2009 | 国际医学放射学杂志2009，32，4： | 17 |
| 3 | Long-term maintenance of brain tumor stem cell properties under at non-adherent and adherent culture conditions显示文摘 | Inagaki A Soeda A Oka N Kitajima H Nakagawa J Motohashi T Kunisada T lwama T | 2007 | 中国神经肿瘤杂志2007，5，3： | 16 |
| 4 | Comparison of DWI and PET/CT in evaluation of lymph node metastasis in uterine cancer显示文摘AIM: To investigate diffusion-weighted imaging (DWI) and positron emission tomography and computed tomography (PET/CT) with Ⅳ contrast for the preoperative evaluation of pelvic lymph node (LN) metastasis in uterine cancer. METHODS: Twenty-five patients with endometrial or cervical cancer who underwent both DWI and PET/CT before pelvic lymphadenectomy were included in this study. For area specific analysis, LNs were divided into eight regions: both common iliac, external iliac, internal iliac areas, and obturator areas. The classification for malignancy on DWI was a focally abnormal signal intensity in a location that corresponded to the LN chains on the T1WI and T2WI. The criterion for malignancy on PET/CT images was increased tracer uptake by the LN.RESULTS: A total of 36 pathologically positive LN areas were found in 9 patients. With DWI, the sensitivity, specificity, positive predictive value, negative predictive value and accuracy for detecting metastatic LNs on an LN area-by-area analysis were 83.3%, 51.2%, 27.3%, 93.3% and 57.0%, respectively, while the corresponding values for PET/CT were 38.9%, 96.3%, 70.0%, 87.8% and 86.0%. Differences in sensitivity, specificity and accuracy were significant (P < 0.0005). CONCLUSION: DWI showed higher sensitivity and lower specificity than PET/CT. Neither DWI nor PET/CT were sufficiently accurate to replace lymphadenectomy. | Kazuhiro Kitajima Erena Yamasaki Yasushi Kaji Koji Murakami Kazuro Sugimura | 2012 | World Journal of Radiology2012，4，5： | 16 |
| 5 | CREATE TRANSGENIC RABBITS BY MICROINJECTING HUMAN apoA-Ⅱ GENE INTO FERTILIZED EGGS显示文摘Objective To create transgenic rabbits by microinjecting human apolipoprotein A-Ⅱ (apoA-Ⅱ) gene into one-cell embryos, to study apoA-Ⅱ gene function on plasma lipoprotein metabolism and atherosclerosis. Methods Superovulation and synchronization of estrus were induced in female Japanese White Rabbits by injecting hormone, then mating with male. After collected the fertilized eggs, the human apoA-Ⅱ gene was microinjected into the male pronucleus of eggs. The injected eggs were transferred into recipient female rabbits. Last, extract DNA from the new borns ear and determine whether the newborns were transgenic by polymerase chain reaction (PCR) or Southern blot analysis. Results A total of 822 embryos with microinjection of human apoAⅡ gene were implanted into 28 recipient rabbits. The number of surviving newborns was 37. 3 transgenic positive surviving founders were found with human apoA-Ⅱ. | 刘恩岐 Shuji Kitajima Masatoshi Morimoto | 2004 | Journal of Pharmaceutical Analysis2004，16，1： | 7 |
| 6 | Methylation-mediated gene silencing as biomarkers of gastric cancer:a review显示文摘Despite a decline in the overall incidence of gastric cancer(GC),the disease remains the second most common cause of cancer-related death worldwide and is thus a significant global health problem.The best means of improving the survival of GC patients is to screen for and treat early lesions.However,GC is often diagnosed at an advanced stage and is associated with a poor prognosis.Current diagnostic and therapeutic strategies have not been successful in decreasing the global burden of the disease;therefore,the identification of reliable biomarkers for an early diagnosis,predictive markers of recurrence and survival and markers of drug sensitivity and/or resistance is urgently needed.The initiation and progression of GC depends not only on genetic alterations but also epigenetic changes,such as DNA methylation and histone modification.Aberrant DNA methylation is the most well-defined epigenetic change in human cancers and is associated with inappropriate gene silencing.Therefore,an increasing number of genes methylated at the promoter region have been targeted as possible biomarkers for different purposes,including early detection,classification,the assessment of the tumor prognosis,the development of therapeutic strategies and patient follow-up.This review article summarizes the current understanding and recent evidence regarding DNA methylation markers in GC with a focus on the clinical potential of these markers. | Jun Nakamura Tomokazu Tanaka Yoshihiko Kitajima Hirokazu Noshiro Kohji Miyazaki | 2014 | World Journal of Gastroenterology2014，20，34： | 7 |
| 7 | A rotary-shear low to high-velocity friction apparatus in Beijing to study rock friction at plate to seismic slip rates显示文摘This paper reviews 19 apparatuses having highvelocity capabilities,describes a rotary-shear low to highvelocity friction apparatus installed at Institute of Geology,China Earthquake Administration,and reports results from velocity-jump tests on Pingxi fault gouge to illustrate technical problems in conducting velocity-stepping tests at high velocities.The apparatus is capable of producing plate to seismic velocities(44 mm/a to 2.1 m/s for specimens of 40 mm in diameter),using a 22 kW servomotor with a gear/belt system having three velocity ranges.A speed range can be changed by 103 or 106by using five electromagnetic clutches without stopping the motor.Two cam clutches allow fivefold velocity steps,and the motor speed can be increased from zero to 1,500 rpm in 0.1–0.2 s by changing the controlling voltage.A unique feature of the apparatus is a large specimen chamber where different specimen assemblies can be installed easily.In addition to a standard specimen assembly for friction experiments,two pressure vessels were made for pore pressures to 70 MPa;one at room temperature and the other at temperatures to 500 °C.Velocity step tests are needed to see if the framework of rate-and-state friction is applicable or not at high velocities.We report results from velocity jump tests from 1.4 mm/s to 1.4 m/s on yellowish gouge from a Pingxi fault zone,located at the northeastern part of the Longmenshan fault system that caused the 2008 Wenchuan earthquake.An instantaneous increase in friction followed by dramatic slip weakening was observed for the yellowish gouge with smooth sliding surfaces of host rock,but no instantaneous response was recognized for the same gouge with roughened sliding surfaces.Instantaneous and transient frictional properties upon velocity steps cannot be separated easily at high velocities,and technical improvements for velocity step tests are suggested. | Shengli Ma Toshihiko Shimamoto Lu Yao Tetsuhiro Togo Hiroko Kitajima | 2014 | Earthquake Science2014，27，5： | 6 |
| 8 | High expressions of caveolins on the proliferating bile ductules in primary biliary cirrhosis显示文摘AIM: An increase in bile ductular structures is observed in diverse human liver diseases, especially in primary biliary cirrhosis (PBC). These structures harbor the progenitor cell component of the liver. Caveolins are cholesterol-binding proteins involved in the regulation of several intracellular processes including cholesterol transport. This study aims to examine the role of caveolin in PBC.METHODS: Immunohistochemical and Western blottingstudies were performed on human liver specimens obtained from patients with PBC and normal liver samples. The expression of caveolin (CAV)-1 and -2 was determined using specific antibodies.RESULTS: In normal liver, scanty immunostaining for CAV1 and -2 was observed in bile ductules. In PBC liver samples, the expression levels of CAV-1 and -2 were increased on proliferating bile ductules especially in stage 3 cases, but was sparse on interlobular bile duct in stage 1 specimens. Especially, the regenerating bile ductules at the interface of portal tracts and necrotic areas were immunostained intensely for CAV-1 and -2. These phenomena were confirmed by Western blot.CONCLUSION: The present results demonstrate increased expression of caveolins in proliferating bile ductules in PBC, which may be related to the homeostasis of cholesterol transport in regenerating bile ductules in PBC liver. | Hiroaki Yokomori Masaya Oda Go Wakabayashi Masaki Kitajima Kazunori Yoshimura Masahiko Nomura Toshifumi Hibi | 2005 | World Journal of Gastroenterology2005，11，24： | 4 |
| 9 | Expression of adhesion molecules on mature cholangiocytes in canal of Hering and bile ductules in wedge biopsy samples of primary biliary cirrhosis显示文摘AIM: To examine the expression of intercellular adhesion molecule-1 (ICAM-1) and lymphocyte function-associated antigen-1 (LFA-1) expression on canals of Hering (CoH)and bile ductules associated with the autoimmune process of bile duct destruction in primary biliary cirrhosis (PBC).METHODS: Ten wedged liver biopsies of PBC (five cases each of stages 2 and 3) were studied. The liver specimens were processed for transmission electron microscopy.Immunohistochemistry was performed using anti-ICAM-1 and anti-LFA-1 mouse mAbs. In situ hybridization was done to examine the messenger RNA expression of ICAM-1 in formalin-fixed, paraffin-embedded sections using peptide nucleic acid probes and the catalyzed signal amplification (CSA) technique. Immunogold-silver staining for electron microscopy was performed using anti-ICAM and anti-LFA-1 mouse mAbs. The immunogold particles on epithelial cells of bile ductules and cholangiocytes of CoH cells were counted and analyzed semi-quantitatively.Western blotting was performed to confirm ICAM-1 protein expression.RESULTS: In liver tissues of PBC patients, immunohistochemistry showed aberrant ICAM-1 expression on the plasma membrane of epithelial cells lining bile ductules,and also on mature cholangiocytes but not on hepatocytes in CoH. LFA-1-positive lymphocytes were closely associated with epithelial cells in bile ductules. ICAM-1 expression at protein level was confirmed by Western blot. In situ hybridization demonstrated ICAM-1 mRNA expression in bile ductules and LFA-1 mRNA in lymphocytes infiltrating the bile ductules. By immunoelectron microscopy, ICAM-1 was demonstrated on the basal surface of epithelial cells in bile ductules and on the luminal surfaces of cholangiocytes in damaged CoH. Cells with intermediate morphology resembling progenitor cells in CoH were not labeled with ICAM-1 and LFA-1.CONCLUSION: De novo expression of ICAM-1 both on mature cholangiocytes in CoH and epithelial cells in bile ductules in PBC implies that lymphocyte-induced destruction through adhesion by ICAM-1 and binding of LFA-1-expressing activated lymphocytes takes place not only in bile ductules but also in the CoH. | Hiroaki Yokomori Masaya Oda Mariko Ogi Go Wakabayashi Shigeyuki Kawachi Kazunori Yoshimura Toshihiro Nagai Masaki Kitajima Masahiko Nomura Toshifumi Hibi | 2005 | World Journal of Gastroenterology2005，11，28： | 4 |
| 10 | Bronchial bleeding caused by recurrent pneumonia after radical esophagectomy for esophageal cancer显示文摘We herein report a case of bronchial bleeding afterradical esophagectomy that was treated with lobectomy.A 65-year-old male who underwent subtotal esophagectomy with three-field lymph node dissection for esophageal carcinoma was referred to our hospital because of sudden hemoptysis.After the esophagectomy,bilateral vocal cord paralysis was observed,and the patient suffered from repeated episodes of aspiration pneumonia.Bronchoscopy revealed hemosputum in the right middle lobe bronchus,and contrast-enhanced computed tomography showed tortuous arteries arising from the right inferior phrenic artery and left subclavian artery toward the right middle lobe bronchus.Although bronchial arterial embolization was performed twice to control the recurrent hemoptysis,the procedures were unsuccessful.Right middle lobectomy was therefore performed via video-assisted thoracic surgery.Engorged bronchial arterys with medial hypertrophy and overgrowth of the small branches were noted near the bronchus in the resected specimen.The patient recovered uneventfully and was discharged on postoperative day 14. | Toshihiro Kitajima Kota Momose Seigi Lee Shusuke Haruta Masaki Ueno Hisashi Shinohara Sakashi Fujimori Takeshi Fujii Ryoji Takei Tadasu Kohno Harushi Udagawa | 2015 | World Journal of Gastroenterology2015，21，11： | 3 |
| 11 | Influence of interleukin-10 gene promoter polymorphisms on disease progression in patients chronically infected with hepatitis B virus显示文摘 | Seiji Miyazoe Keisuke Hamasaki Keisuke Nakata Yuji Kajiya Kayo Kitajima Kazuhiko Nakao Manabu Daikoku Hiroshi Yatsuhashi Michiaki Koga Michitami Yano Katsumi Eguchi | 2002 | The American Journal of Gastroenterology2002，，8： | 3 |
| 12 | Current State of Gastric Stump Carcinoma in Japan: Based on the Results of a Nationwide Survey显示文摘 | Nobuhiko Tanigawa Eiji Nomura Sang-Woong Lee Michio Kaminishi Mitsugu Sugiyama Takashi Aikou Masaki Kitajima | 2010 | World Journal of Surgery2010，，7： | 3 |
| 13 | Correlations between lymph node metastasis and depth of submucosal invasion in submucosal invasive colorectal carcinoma: a Japanese collaborative study显示文摘 | Kazuaki Kitajima Takahiro Fujimori Shigehiko Fujii Jun Takeda Yasuo Ohkura Hitoshi Kawamata Toshihide Kumamoto Shingo Ishiguro Yo Kato Tadakazu Shimoda Akinori Iwashita Yoichi Ajioka Hidenobu Watanabe Toshiaki Watanabe Tetsuichiro Muto Ko Nagasako | 2004 | Journal of Gastroenterology2004，，6： | 2 |
| 14 | Mycorrhizae differentially alter growth,physiology,and competitive ability of an invasive shrub显示文摘 | Bray S R Kitajima K Sylvia D M | 2003 | Ecol Appl2003，13，3： | 2 |
| 15 | Study on mechanism of ceramics grinding显示文摘 | Kitajima K Cai G Q Kumagai N Tanaka Y Zheng H W | 1992 | Annals of the CIRP1992，41，1： | 2 |
| 16 | Minimally invasive surgery for gastric cancer — toward a confluence of two major streams: a review显示文摘 | Yuko Kitagawa Seigo Kitano Tetsuro Kubota Koichiro Kumai Yoshihide Otani Yoshiro Saikawa Masashi Yoshida Masaki Kitajima | 2005 | Gastric Cancer2005，，2： | 2 |
| 17 | Gastrointestinal stromal tumor presenting with prominent calcification显示文摘We present a rare case of a gastrointestinal stromal tumor (GIST) in the stomach with prominent calcifica-tion at presentation. A 61-year-old woman visited our hospital because of epigastric discomfort. A spherical calcified lesion with a diameter of about 30 mm was incidentally shown in the left upper quadrant on an abdominal X-ray. Computed tomography demonstrated that the tumor was growing from the upper gastric body, with calcification in the peripheral ring area. A laparoscopic partial gastrectomy was performed, and the resected specimen revealed a well-circumscribed tumor with exophytic growth from the gastric muscularis propria. Microscopic examination revealed spindle- shaped tumor cells with calcification and hemorrhage. Additionally, positive immunoreactivity of the tumor to KIT and CD34 and a low mitotic index resulted in the diagnosis of very low risk GIST. There are a few case reports of heavily calcified GIST, although solitary or punctate calcification of primary GIST has been reported in several case series. Dystrophic calcification of necrotic or degenerative tissue is the supposed cause of primary calcified GISTs. In contrast, appearance of calcification after administration of imatinib mesylate, which may be one indicator of disease response, is possibly caused by a different mechanism. | Naoki Izawa Takeshi Sawada Ryuichi Abiko Daisuke Kumon Mami Hirakawa Mika Kobayashi Nobuyuki Obinata Masahito Nomoto Tadateru Maehata Shun-ichi Yamauchi Takefumi Kouro Takashi Tsuda Satoshi Kitajima Hiroshi Yasuda Keiichi Tanaka Ichiro Tanaka Masahiro Hoshikawa Masayuki Takagi Fumio Itoh | 2012 | World Journal of Gastroenterology2012，18，39： | 2 |
| 18 | Transfection of p27 (Kip1) threonine residue 187 mutant type gene, which is not influenced by ubiquitin-mediated degradation,induces cell cycle arrest in oral squamous cell carcinoma cells显示文摘 | Kudo Y Kitajima S Sato S | 2002 | Oncology2002，63，4： | 2 |
| 19 | Hepatic artery pseudoaneurysm associated with cholecystitis that ruptured into the gallbladder显示文摘 | Tomotaka Akatsu Shinobu Hayashi Tomohisa Egawa Masakazu Doi Atsushi Nagashima Mitsuhide Kitano Takashi Yamane Hiroshi Yoshii Masaki Kitajima | 2004 | Journal of Gastroenterology2004，，9： | 2 |
| 20 | Plastic phenotypic response to light of 16 congeneric shrubs from a panamanian rainforest显示文摘 | Valladares F Wright S J Lasso E Kitajima K Pearcy R W | 2000 | Ecology2000，81，： | 2 |
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