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| 1 | DNA damaging agent-induced autophagy produces a cytoprotective adenosine triphosphate surge in malignant glioma cells显示文摘 | Katayama M Kawaguchi T Berger MS Pieper RO | 2007 | 中国神经肿瘤杂志2007，5，4： | 28 |
| 2 | Insulin resistance and chronic liver disease显示文摘Increased insulin resistance is frequently associated with chronic liver disease and is a pathophysiological feature of hepatogenous diabetes.Distinctive factors including hepatic parenchymal cell damage,portalsystemic shunting and hepatitis C virus are responsible for the development of hepatogenous insulin resistance/diabetes.Although it remains unclear whether insulin secretion from pancreatic beta cells is impaired as it is in type 2 diabetes,retinopathic and cardiovascular risk is low and major causes of death in cirrhotic patients with diabetes are liver failure,hepatocellular carcinoma and gastrointestinal hemorrhage.Hemoglobin A1c is an inaccurate marker for the assessment and management of hepatogenous diabetes.Moreover,exogenous insulin or sulfonylureas may be harmful because these agents may promote hepatocarcinogenesis.Thus,pathogenesis,cause of death,assessment and therapeutic strategy for hepatogenous insulin resistance/diabetes differ from those for lifestyle-related type 2 diabetes.In this article,we review features of insulin resistance in relationship to chronic liver disease.We also discuss the impact of anti-diabetic agents on interferon treatment and hepatocarcinogenesis. | Takumi Kawaguchi Eitaro Taniguchi Minoru Itou Masahiro Sakata Shuji Sumie Michio Sata | 2011 | World Journal of Hepatology2011，3，5： | 25 |
| 3 | Randomized controlled trial of pancreatic stenting to prevent pancreatitis after endoscopic retrograde cholangiopancreatography显示文摘AIM:To determine the effectiveness of pancreatic duct(PD) stent placement for the prevention of pancreatitis after endoscopic retrograde cholangiopancreatography(ERCP) in high risk patients.METHODS:Authors conducted a single-blind,randomized controlled trial to evaluate the effectiveness of a pancreatic spontaneous dislodgement stent against post-ERCP pancreatitis,including rates of spontaneous dislodgement and complications.Authors defined high risk patients as having any of the following:sphincter of Oddi dysfunction,difficult cannulation,prior history of post-ERCP pancreatitis,pre-cut sphincterotomy,pancreatic ductal biopsy,pancreatic sphincterotomy,intraductal ultrasonography,or a procedure time of more than 30 min.Patients were randomized to a stent group(n = 60) or to a non-stent group(n = 60).An abdominal radiograph was obtained daily to assessspontaneous stent dislodgement.Post-ERCP pancreatitis was diagnosed according to consensus criteria.RESULTS:The mean age(± standard deviation) was 67.4 ± 13.8 years and the male:female ratio was 68:52.In the stent group,the mean age was 66 ± 13 years and the male:female ratio was 33:27,and in the non-stent group,the mean age was 68 ± 14 years and the male:female ratio was 35:25.There were no significant differences between groups with respect to age,gender,final diagnosis,or type of endoscopic intervention.The frequency of post-ERCP pancreatitis in PD stent and non-stent groups was 1.7%(1/60) and 13.3%(8/60),respectively.The severity of pancreatitis was mild in all cases.The frequency of post-ERCP pancreatitis in the stent group was significantly lower than in the non-stent group(P = 0.032,Fisher's exact test).The rate of hyperamylasemia were 30%(18/60) and 38.3%(23 of 60) in the stent and non-stent groups,respectively(P = 0.05,χ2 test).The placement of a PD stent was successful in all 60 patients.The rate of spontaneous dislodgement by the third day was 96.7%(58/60),and the median(range) time to dislodgement was 2.1(2-3) d.The rates of stent migration,hemorrhage,perforation,infection(cholangitis or cholecystitis) or other complicationss were 0%(0/60),0%(0/60),0%(0/60),0%(0/60),0%(0/60),respectively,in the stent group.Univariate analysis revealed no significant differences in high risk factors between the two groups.The pancreatic spontaneous dislodgement stent safely prevented post-ERCP pancreatitis in high risk patients.CONCLUSION:Pancreatic stent placement is a safe and effective technique to prevent post-ERCP pancreatitis.Therefore authors recommend pancreatic stent placement after ERCP in high risk patients. | Yoshiaki Kawaguchi Masami Ogawa Fumio Omata Hiroyuki Ito Tooru Shimosegawa Tetsuya Mine | 2012 | World Journal of Gastroenterology2012，18，14： | 25 |
| 4 | Dipeptidyl peptidase-4: A key player in chronic liver disease显示文摘Dipeptidyl peptidase-4 (DPP-4) is a membrane-associated peptidase, also known as CD26. DPP-4 has widespread organ distribution throughout the body and exerts pleiotropic effects via its peptidase activity. A representative target peptide is glucagon-like peptide-1, and inactivation of glucagon-like peptide-1 results in the development of glucose intolerance/diabetes mellitus and hepatic steatosis. In addition to its peptidase activity, DPP-4 is known to be associated with immune stimulation, binding to and degradation of extracellular matrix, resistance to anti-cancer agents, and lipid accumulation. The liver expresses DPP-4 to a high degree, and recent accumulating data suggest that DPP-4 is involved in the development of various chronic liver diseases such as hepatitis C virus infection, non-alcoholic fatty liver disease, and hepatocellular carcinoma. Furthermore, DPP-4 occurs in hepatic stem cells and plays a crucial role in hepatic regeneration. In this review, we described the tissue distribution and various biological effects of DPP-4. Then, we discussed the impact of DPP-4 in chronic liver disease and the possible therapeutic effects of a DPP-4 inhibitor. | Minoru Itou Takumi Kawaguchi Eitaro Taniguchi Michio Sata | 2013 | World Journal of Gastroenterology2013，19，15： | 22 |
| 5 | Multicenter study of endoscopic preoperative biliary drainage for malignant distal biliary obstruction显示文摘AIM: To determine the optimal method of endoscopic preoperative biliary drainage for malignant distal biliary obstruction.METHODS: Multicenter retrospective study was conducted in patients who underwent plastic stent(PS) or nasobiliary catheter(NBC) placement for resectable malignant distal biliary obstruction followed by surgery between January 2010 and March 2012. Procedurerelated adverse events, stent/catheter dysfunction(occlusion or migration of PS/NBC, developmentof cholangitis, or other conditions that required repeat endoscopic biliary intervention), and jaundice resolution(bilirubin level < 3.0 mg/d L) were evaluated. Cumulative incidence of jaundice resolution and dysfunction of PS/NBC were estimated using competing risk analysis. Patient characteristics and preoperative biliary drainage were also evaluated for association with the time to jaundice resolution and PS/NBC dysfunction using competing risk regression analysis.RESULTS: In total, 419 patients were included in the study(PS, 253 and NBC, 166). Primary cancers included pancreatic cancer in 194 patients(46%), bile duct cancer in 172(41%), gallbladder cancer in three(1%), and ampullary cancer in 50(12%). The median serum total bilirubin was 7.8 mg/d L and 324 patients(77%) had ≥ 3.0 mg/d L. During the median time to surgery of 29 d [interquartile range(IQR), 30-39 d]. PS/NBC dysfunction rate was 35% for PS and 18% for NBC [Subdistribution hazard ratio(SHR) = 4.76; 95%CI: 2.44-10.0, P < 0.001]; the pig-tailed tip was a risk factor for PS dysfunction. Jaundice resolution was achieved in 85% of patients and did not depend on the drainage method(PS or NBC).CONCLUSION: PS has insufficient patency for preoperative biliary drainage. Given the drawbacks of external drainage via NBC, an alternative method of internal drainage should be explored. | Naoki Sasahira Tsuyoshi Hamada Osamu Togawa Ryuichi Yamamoto Tomohisa Iwai Kiichi Tamada Yoshiaki Kawaguchi Kenji Shimura Takero Koike Yu Yoshida Kazuya Sugimori Shomei Ryozawa Toshiharu Kakimoto Ko Nishikawa Katsuya Kitamura Tsunao Imamura Masafumi Mizuide Nobuo Toda Iruru Maetani Yuji Sakai Takao Itoi Masatsugu Nagahama Yousuke Nakai Hiroyuki Isayama | 2016 | World Journal of Gastroenterology2016，22，14： | 18 |
| 6 | Importance of hepatitis C virus-associated insulin resistance:Therapeutic strategies for insulin sensitization显示文摘Insulin resistance is one of the pathological features in patients with hepatitis C virus(HCV) infection.Generally,persistence of insulin resistance leads to an increase in the risk of life-threatening complications such as cardiovascular diseases.However,these complications are not major causes of death in patients with HCV-associated insulin resistance.Indeed,insulin resistance plays a crucial role in the development of various complications and events associated with HCV infection.Mounting evidence indicates that HCV-associated insulin resistance may cause(1) hepatic steatosis;(2) resistance to anti-viral treatment;(3) hepatic f ibrosis and esophageal varices;(4) hepatocarcinogenesis and proliferation of hepatocellular carcinoma;and(5) extrahepatic manifestations.Thus,HCV-associated insulin resistance is a therapeutic target at any stage of HCV infection.Although the risk of insulin resistance in HCV-infected patients has been documented,therapeutic guidelines for preventing the distinctive complications of HCV-associated insulin resistance have not yet been established.In addition,mechanisms for the development of HCV-associated insulin resistance differ from lifestyle-associated insulin resistance.In order to ameliorate HCV-associated insulin resistance and its complications,the eff icacy of the following interventions is discussed:a late evening snack,coffee consumption,dietary iron restriction,phlebotomy,and zinc supplements.Little is known regarding the effect of anti-diabetic agents on HCV infection,however,a possible association between use of exogenous insulin or a sulfonylurea agent and the development of HCC has recently been reported.On the other hand,insulin-sensitizing agents are reported to improve sustained virologic response rates.In this review,we summarize distinctive complications of,and therapeutic strategies for,HCVassociated insulin resistance.Furthermore,we discuss supplementation with branched-chain amino acids as a unique insulin-sensitizing strategy for patients with HCVassociated insulin resistance. | Takumi Kawaguchi Michio Sata | 2010 | World Journal of Gastroenterology2010，16，16： | 14 |
| 7 | 一期前路病灶清除加植骨术治疗化脓性脊椎炎显示文摘 | 刘洪 Hirokazu Ishihara 马忠泰 Yoshiharu Kawaguchi | 2005 | 中华骨科杂志2005，25，11： | 12 |
| 8 | Inflammatory pseudotumor of the liver and spleen diagnosed by percutaneous needle biopsy显示文摘An inflammatory pseudotumor (IPT) is a relatively rare lesion characterized by chronic inf iltration of inflammatory cells and areas of f ibrosis. IPTs are diff icult to diagnose because of the absence of specif ic symptoms or of characteristic hematological or radiological f indings. In this study, a case of a woman aged over 70 years was reported, who presented with a general malaise lasting more than two months. A computed tomography scan demonstrated a diffusely spread lesion of the liver with a portal vein occlusion and a splenic lesion surrounded by a soft density layer. Since the percutaneous liver biopsy showed f indings that suggested an IPT, although the radiological f indings did not exclude the possibility of a malignancy, we performed a percutaneous spleen biopsy to enable a more defi nitive diagnosis. The microscopic f indings from the spleen specimen lead us to a diagnosis of IPT involving the liver and spleen. Sub-sequent steroid pulse therapy was effective, and rapid resolution of the disease was observed. | Tsukasa Kawaguchi Kiyoshi Mochizuki Takashi Kizu Masanori Miyazaki Takayuki Yakushijin Shusaku Tsutsui Eiichi Morii Tetsuo Takehara | 2012 | World Journal of Gastroenterology2012，18，1： | 11 |
| 9 | Liquid biopsy in patients with pancreatic cancer: Circulating tumor cells and cell-free nucleic acids显示文摘Despite recent advances in surgical techniques and perioperative management, the prognosis of pancreatic cancer(PCa) remains extremely poor. To provide optimal treatment for each patient with Pca, superior biomarkers are urgently needed in all phases of management from early detection to staging, treatment monitoring, and prognosis. In the blood of patients with cancer, circulating tumor cells(CTCs) and cell-free nucleic acids(cf NAs), such as DNA, m RNA, and noncoding RNA have been recognized. In the recent years, their presence in the blood has encouraged researchers to investigate their potential use as novel blood biomarkers, and numerous studies have demonstrated their potential clinical utility as a biomarker for certain types of cancer. This concept, called 'liquid biopsy' has been focused on as a less invasive, alternative approach to cancer tissue biopsy for obtaining genetic and epigenetic aberrations that contribute to oncogenesis and cancer progression. In this article, we review the available literature on CTCs and cfN As in patients with cancer, particularly focusing on PCa, and discuss future perspectives in this field. | Taisuke Imamura Shuhei Komatsu Daisuke Ichikawa Tsutomu Kawaguchi Mahito Miyamae Wataru Okajima Takuma Ohashi Tomohiro Arita Hirotaka Konishi Atsushi Shiozaki Ryo Morimura Hisashi Ikoma Kazuma Okamoto Eigo Otsuji | 2016 | World Journal of Gastroenterology2016，22，25： | 10 |
| 10 | Stratifying the risk of lymph node metastasis in undifferentiated-type early gastric cancer显示文摘AIM:To study how lymph node metastasis(LNM) risk is stratified in undifferentiated-type early gastric cancer(undiff-EGC) dependent on combinations of risk factors.METHODS:Five hundred and sixty-seven cases with undiff-EGC undergoing gastrectomy with lymphadenectomy were examined retrospectively.Using clinicopathological factors of patient age,location,size,an endoscopic macroscopic tumor form,ulceration,depth,histology,lymphatic involvement(LI) and venous involvement(VI),LNM risk was examined and stratified by conventional statistical analysis and datamining analysis.RESULTS:LNM was positive in 44 of 567 cases(7.8%).Univariate analysis revealed > 2 cm,protrusion,submucosal(sm),mixed type,LI and VI as significant prognostic factors and > 2 cm and LI-positive were independent factors by multivariate analysis.In preoperatively evaluable factors excluding LVI,sm and > 2 cm were independent factors.According to the depth and size,cases were categorized into the low-risk group [m and ≤ 2 cm,0%(LNM incidence)],the moderaterisk group(m and > 2 cm,5.6%; and sm and ≤ 2 cm,6.0%),and the high-risk group(sm and > 2 cm,19.3%).On the other hand,LNM occurred in 1.4% in all LI-negative cases,greatly lower than 28.2% in all LI-positive cases,and LNM incidence was low in LInegative cases even in the moderate- and high-risk groups.CONCLUSION:LNM-related factors in undiff-EGC were depth and size preoperatively while those were LI and size postoperatively.Among these factors,LI was the most significantly correlated factor. | Yukiko Asakawa Masahiko Ohtaka Shinya Maekawa Mitsuharu Fukasawa Yasuhiro Nakayama Tatsuya Yamaguchi Taisuke Inoue Tomoyoshi Uetake Minoru Sakamoto Tadashi Sato Yoshihiko Kawaguchi Hideki Fujii Kunio Mochizuki Masao Hada Toshio Oyama Tomotaka Yasumura Kosaku Omata Atsushi Nishiyama Keiichi Naito Hideo Hata Yoshiaki Haba Kazuyuki Miyata Haruhisa Saitoh Yoichi Yamadera Kazuo Miura Akira Kawaoi Tohru Abe Hajime Tsunoda Yuji Honda Masayuki Kurosaki Nobuyuki Enomoto | 2015 | World Journal of Gastroenterology2015，21，9： | 8 |
| 11 | Association between Diabetes Mellitus and Oral Health Status in Japanese Adults显示文摘Aim The objective of this study was to analyze the oral health among Japanese adults, with and without diabetes mellitus. Methodology The subjects were 518 community residents aged 20 to 91 years in Japan, who participated in the 'Akita health and nutrition survey' and the 'Akita dental disease survey', conducted in 2006. The surveys comprised a self-administered questionnaire, along with medical and dental examinations. Results Using the community periodontal index (CPI), the mean numbers of sextants presenting codes 0, 1 and 2 were significantly lower in diabetics than non-diabetics among the 59 years or younger age group. Although the mean numbers of sextants with codes 0, 1 and 2 among the 60 to 69 years age group were lower, and sextants with a code X among the 59 years or younger age group were higher in diabetics than non-diabetics, no statistically significant differences were detected. The tendency of lower mean numbers of natural teeth and functional tooth units in diabetics than non-diabetics was observed, however no differences were statistically significant. Conclusion The outcome of periodontal disease seemed to be influenced by the diabetic state to some degree, but a clear association between diabetes and oral health status was not found. | Masayuki Ueno Susumu Takeuchi Akiko Oshiro Kayoko Shinada Satoko Ohara Yoko Kawaguchi | 2010 | International Journal of Oral Science2010，2，2： | 6 |
| 12 | miR-122-5p as a novel biomarker for alpha-fetoproteinproducing gastric cancer显示文摘AIM To investigate the clinical utility of alpha-fetoprotein(AFP)-producing gastric cancer(AFPGC)-specific microRNA(mi RNA)for monitoring and prognostic prediction of patients.METHODS We performed a comprehensive miRNA array-based approach to compare miRNA expression levels between AFP-positive and AFP-negative cells in three patients with primary AFPGC.We next examined the expression levels of the selected miRNAs in five AFPGC and ten non-AFPGC tissue samples by quantitative reverse transcription-polymerase chain reaction to validate their utility.We also investigated the expression levels of the selected miRNA not only in tissue but also in plasma samples.Moreover,we investigated the relationship between plasma AFP levels and plasma selected miRNA expression levels,and also investigated the correlation of the selected miRNA expression levels and malignant potential.RESULTS Among the five miRNAs selected from the miRNA array results,the expression levels of miR-122-5p were significantly higher in the AFPGC patients than in the non-AFPGC patients(P<0.05).In tissue samples,mi R-122-5p expression level tended to be lower in the non-AFPGC tissue than the normal gastric mucosa.Conversely,in the AFPGC tissue,miR-122-5p expression level was significantly higher in the AFPGC tissue than both the normal gastric mucosa and the nonAFPGC tissue samples(P<0.05).Plasma mi R-122-5p expression levels were also significantly higher in the AFPGC patients than the health volunteers and the nonAFPGC patients(P<0.05)and were strongly correlated with plasma AFP levels(r=0.7975,P<0.0001).Moreover,the correlation of miR-122-5p expression in tissue samples with malignant potential was stronger than that of plasma AFP level in the AFPGC patients.In contrast,no correlation was found between mi R-122-5p expression levels and liver metastasis in the non-AFPGC patients.CONCLUSION miR-122-5p might be a useful biomarker for early detection and disease monitoring in AFPGC. | Suguru Maruyama Shinji Furuya Kensuke Shiraishi Hiroki Shimizu Hidenori Akaike Naohiro Hosomura Yoshihiko Kawaguchi Hidetake Amemiya Hiromichi Kawaida Makoto Sudo Shingo Inoue Hiroshi Kono Daisuke Ichikawa | 2018 | World Journal of Gastrointestinal Oncology2018，10，10： | 6 |
| 13 | Endoscopic papillary large balloon dilation for removal of bile duct stones显示文摘AIM:To investigate the efficacy and outcomes of endoscopic papillary large balloon dilation(EPLBD)for bile duct stones in a multicenter prospective study.METHODS:Lithotomy by EPLBD was conducted in 124patients with bile duct stones≥13 mm in size or with three or more bile duct stones≥10 mm.After endoscopic sphincterotomy,the papilla was dilated using balloons 12-20 mm in diameter fitting the bile duct diameter.RESULTS:The success rate of first-time lithotomy was 86.3%(107/124)and the final lithotomy success rate was 100%(124/124).Lithotripsy was needed in10 of the 124(13.6%)patients.Adverse events due to the treatment procedure occurred in 6(4.8%)patients,all of which were mild.Performing large balloon dilation after endoscopic sphincterotomy in patients with large stones or multiple stones in the bile duct is considered to ensure the safety of treatment and to reduce the need for lithotripsy.CONCLUSION:It is suggested that treatment by EPLBD for large bile duct stones may be safe and useful. | Yuji Sakai Toshio Tsuyuguchi Yoshiaki Kawaguchi Nobuto Hirata So Nakaji Katsuya Kitamura Shigeru Mikami Tatsuya Fujimoto Masashi Ijima Eishin Kurihara Shuhei Oana Takayoshi Nishino Ryo Tamura Dai Sakamoto Masato Nakamura Takao Nishikawa Harutoshi Sugiyama Hitoshi Yoshida Tetsuya Mine Osamu Yokosuka | 2014 | World Journal of Gastroenterology2014，20，45： | 6 |
| 14 | Segmental gastrectomy with radical lymph node dissection for early gastric cancer显示文摘AIM: To describe a new surgical technique and evaluate the early results of segmental gastrectomy (SG) with modified D2 lymph node (LN) dissection for early gastric cancer (EGC). METHODS: Fourteen patients with EGC underwent SG with modified D2 dissection from 2006 to 2008. Their operative results and postoperative courses were compared with those of 17 patients who had distal gastrectomy (DG) for EGC during the same period. RESULTS: Operating time, blood loss, and hospital stay were similar between the 2 groups. Postoperative complications developed significantly more frequently in the DG group than in the SG group. Mean number of dissected LNs per each station in the SG group was comparable with that in the DG group. Postoperative recovery of body weight was significantly better in the SG group than in the DG group. The incidence of reflux esophagitis and gastritis after surgery was less frequent in the SG group than in the DG group.CONCLUSION: SG with modified D2 LN dissection may be a new function-preserving gastrectomy that is feasible for treatment of EGC with possible LN involvement. | Takeru Matsuda Kunihiko Kaneda Manabu Takamatsu Keishi Aishin Masahide Awazu Akiko Okamoto Katsunori Kawaguchi | 2010 | World Journal of Gastroenterology2010，16，41： | 6 |
| 15 | Body mass index is associated with age-at-onset of HCV-infected hepatocellular carcinoma patients显示文摘AIM: To identify factors associated with the age at onset of hepatitis C virus (HCV)-related hepatocellular carcinoma (HCC). METHODS: Five hundred and fifty-six consecutive patients positive for HCV antibody and treatment-nafive HCC diagnosed between 1995 and 2004 were analyzed. Patients were classified into three groups according to age at HCC onset: < 60 years (n = 79), 60-79 years (n = 439), or ≥ 80 years (n = 38). Differences among groups in terms of sex, body mass index (BMI), lifestyle characteristics, and liver function were assessed. Factors associated with HCC onset in patients < 60 or ≥ 80 years were analyzed by logistic regression analysis. RESULTS: Significant differences emerged for sex, BMI, degree of smoking and alcohol consumption, mean bilirubin, alanine aminotransferase (ALT), and γ-glutamyl transpeptidase (GGT) levels, prothrombin activity, and platelet counts. The mean BMI values of male patients > 60 years old were lower and mean BMI values of female patients < 60 years old were higher than those of the general Japanese population. BMI > 25 kg/m2 [hazard ratio (HR), 1.8, P = 0.045], excessive alcohol consumption (HR, 2.5, P = 0.024), male sex (HR, 3.6, P = 0.002), and GGT levels > 50 IU/L (HR, 2.4, P = 0.014) were independently associated with HCC onset in patients < 60 years. Low ALT level was the only factor associated with HCC onset in patients aged ≥ 80 years. CONCLUSION: Increased BMI is associated with increased risk for early HCC development in HCV-infected patients. Achieving recommended BMI and reducing alcohol intake could help prevent hepatic carcinogenesis. | Takumi Akiyama Toshihiko Mizuta Seiji Kawazoe Yuichiro Eguchi Yasunori Kawaguchi Hirokazu Takahashi Iwata Ozaki Kazuma Fujimoto | 2011 | World Journal of Gastroenterology2011，17，7： | 6 |
| 16 | New 14-mm diameter Niti-S biliary uncovered metal stent for unresectable distal biliary malignant obstruction显示文摘AIM To investigate whether an uncovered self-expandable metal stent(UCSEMS) with a large diameter could prevent recurrent biliary obstruction(RBO).METHODS Thirty-eight patients with malignant biliary obstruction underwent treatment with an UCSEMS with a 14-mm diameter(Niti-S 14). Retrospectively, we evaluated technical and functional success rate, RBO rate, time to RBO, survival time, and adverse events in these patients.RESULTS Stent placement success and functional success were achieved in all patients. Two patients(5.3%) had RBO due to tumor ingrowth or overgrowth. The median time to RBO was 190(range, 164-215) d. The median survival time was 120(range, 18-502) d. The 6-mo non-RBO rate was 91%. Other adverse events other than RBO occurred as follows: Acute cholecystitis, post-ERCP pancreatitis, hemobilia, and fever without exacerbation of liver injury, and liver abscess in 4(10.3%), 3(7.9%), 2(5.3%), 1(2.6%), and 1(2.6%), respectively. Migration of the stents was not observed.CONCLUSION Niti-S 14 is considered to be a preferable metal stent because of a low rate of RBO with no migration. | Masataka Kikuyama Naofumi Shirane Shinya Kawaguchi Shuzou Terada Tsuyoshi Mukai Ken Sugimoto | 2018 | World Journal of Gastrointestinal Endoscopy2018，10，1： | 5 |
| 17 | Familial pancreatic cancer: Concept, management and issues显示文摘Familial pancreatic cancer (FPC) is broadly defined as two first-degree-relatives with pancreatic cancer (PC) and accounts for 4%-10% of PC. Several genetic syndromes, including Peutz-Jeghers syndrome, hereditary pancreatitis, hereditary breast-ovarian cancer syndrome(HBOC), Lynch syndrome, and familial adenomatous polyposis (FAP), also have increased risks of PC, but the narrowest definition of FPC excludes these known syndromes. When compared with other familial tumors, proven genetic alterations are limited to a small proportion (<20%) and the familial aggregation is usually modest. However, an ethnic deviation (Ashkenazi Jewish>Caucasian) and a younger onset are common also in FPC. In European countries, 'anticipation' is reported in FPC families, as with other hereditary syndromes; a trend toward younger age and worse prognosis is recognized in the late years. The resected pancreases of FPC kindred often show multiple pancreatic intraepithelial neoplasia (Pan IN) foci, with various K-ras mutations, similar to colorectal polyposis seen in the FAP patients. As with HBOC patients, a patient who is a BRCA mutation carrier with unresectable pancreatic cancer (accounting for 0%-19% of FPC patients) demonstrated better outcome following platinum and Poly (ADP-ribose) polymerase inhibitor treatment. Western countries have established FPC registries since the 1990 s and several surveillance projects for highrisk individuals are now ongoing to detect early PCs. Improvement in lifestyle habits, including non-smoking, is recommended for individuals at risk. In Japan, the FPC study group was initiated in 2013 and the Japanese FPC registry was established in 2014 by the Japan Pancreas Society. | Hiroyuki Matsubayashi Kyoichi Takaori Chigusa Morizane Hiroyuki Maguchi Masamichi Mizuma Hideaki Takahashi Keita Wada Hiroko Hosoi Shinichi Yachida Masami Suzuki Risa Usui Toru Furukawa Junji Furuse Takamitsu Sato Makoto Ueno Yoshimi Kiyozumi Susumu Hijioka Nobumasa Mizuno Takeshi Terashima Masaki Mizumoto Yuzo Kodama Masako Torishima Takahisa Kawaguchi Reiko Ashida Masayuki Kitano Keiji Hanada Masayuki Furukawa Ken Kawabe Yoshiyuki Majima Toru Shimosegawa | 2017 | World Journal of Gastroenterology2017，23，6： | 5 |
| 18 | Hepatitis C Virus Down-Regulates Insulin Receptor Substrates 1 and 2 through Up-Regulation of Suppressor of Cytokine Signaling 3显示文摘 | Takumi Kawaguchi Takafumi Yoshida Masaru Harada Takao Hisamoto Yumiko Nagao Tatsuya Ide Eitaro Taniguchi Hiroto Kumemura Shinichiro Hanada Michiko Maeyama Shinji Baba Hironori Koga Ryukichi Kumashiro Takato Ueno Hisanobu Ogata Akihiko Yoshimura Michio Sat | 2004 | The American Journal of Pathology2004，，5： | 5 |
| 19 | Hepatitis C Virus Down-Regulates Insulin Receptor Substrates 1 and 2 through Up-Regulation of Suppressor of Cytokine Signaling 3显示文摘 | Takumi Kawaguchi Takafumi Yoshida Masaru Harada Takao Hisamoto Yumiko Nagao Tatsuya Ide Eitaro Taniguchi Hiroto Kumemura Shinichiro Hanada Michiko Maeyama Shinji Baba Hironori Koga Ryukichi Kumashiro Takato Ueno Hisanobu Ogata Akihiko Yoshimura Michio Sat | 2004 | The American Journal of Pathology2004，，5： | 4 |
| 20 | Risk factors for proximal migration of biliary tube stents显示文摘AIM: To analyze the risk factors for biliary stent migration in patients with benign and malignant strictures. METHODS: Endoscopic stent placement was performed in 396 patients with bile duct stenosis, at our institution, between June 2003 and March 2009. The indications for bile duct stent implantation included common bile duct stone in 190 patients, malignant lesions in 112, chronic pancreatitis in 62, autoimmune pancreatitis in 14, trauma in eight, surgical complications in six, and primary sclerosing cholangitis(PSC) in four. We retrospectively examined the frequency of stent migration, and analyzed the patient factors(disease, whether endoscopic sphincterotomy was performed, location of bile duct stenosis and diameter of the bile duct) and stent characteristics(duration of stent placement, stent type, diameter and length). Moreover, we investigated retrieval methods for migrated stents and their associated success rates. RESULTS: The frequency of tube stent migration inthe total patient population was 3.5%. The cases in which tube stent migration occurred included those with common bile duct stones(3/190; 1.6%), malignant lesions(2/112; 1.8%), chronic pancreatitis(4/62; 6.5%), autoimmune pancreatitis(2/14; 14.3%), trauma(1/8; 12.5%), surgical complications(2/6; 33.3%), and PSC(0/4; 0%). The potential risk factors for migration included bile duct stenosis secondary to benign disease such as chronic pancreatitis and autoimmune pancreatitis(P = 0.030); stenosis of the lower bile duct(P = 0.031); bile duct diameter > 10 mm(P = 0.023); duration of stent placement > 1 mo(P = 0.007); use of straight-type stents(P < 0.001); and 10-Fr sized stents(P < 0.001). Retrieval of the migrated stents was successful in all cases. The grasping technique, using a basket or snare, was effective for pig-tailed or thin and straight stents, whereas the guidewire cannulation technique was effective for thick and straight stents. CONCLUSION: Migration of tube stents within the bile duct is rare but possible, and it is important to determine the risk factors involved in stent migration. | Yoshiaki Kawaguchi Masami Ogawa Yohei Kawashima Hajime Mizukami Atsuko Maruno Hiroyuki Ito Tetsuya Mine | 2014 | World Journal of Gastroenterology2014，20，5： | 4 |
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