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| 1 | Continuous regional arterial infusion therapy with gabexate mesilate for severe acute pancreatitis显示文摘AIM: To evaluate the effi cacy of continuous regional arterial infusion therapy (CRAI) with gabexate mesilate and antibiotics for severe acute pancreatitis (SAP). METHODS: We conducted a prospective study on patients who developed SAP with or without CRAI. Out of 18 patients fulf illed clinical diagnostic criteria for SAP in Japan, 9 patients underwent CRAI, while 9 patients underwent conventional systemic protease inhibitor and antibiotics therapy (non-CRAI). CRAI was initiated within 72 h of the onset of pancreatitis. Gabexate mesilate (2400 mg/d) was continuously administered for 3 to 5 d. The clinical outcome including serum infl ammation-related parameters were examined. RESULTS: The duration of abdominal pain in the CRAI group was 1.9 ± 0.26 d, whereas that in the non-CRAI group was 4.3 ± 0.50. The duration of SIRS in the CRAI group was 2.2 ± 0.22 d, whereas that in the non- CRAI group was 3.2 ± 0.28. Abdominal pain and SIRS disappeared signifi cantly in a short period of time after the initiation of CRAI using gabexate mesilate. The average length of hospitalization signifi cantly differed between the CRAI and non-CRAI groups, 53.3 ± 7.9 d and 87.4 ± 13.9 d, respectively. During the first two weeks, levels of serum CRP and the IL6/IL10 ratio in the CRAI group tended to have a rapid decrease compared to those in the non-CRAI group. CONCLUSION: The present results suggest that CRAI using gabexate mesilate was effective against SAP. | Yoshifumi Ino Yoshiyuki Arita Tetsuro Akashi Toshinari Kimura Hisato Igarashi Takamasa Oono Masayuki Furukawa Ken Kawabe Keiichiro Ogoshi Jiro Ouchi Toshihiko Miyahara Ryoichi Takayanagi Tetsuhide Ito | 2008 | World Journal of Gastroenterology2008，14，41： | 20 |
| 2 | Retroperitoneal fibrosis associated with immunoglobulin G4-related disease显示文摘Retroperitoneal fibrosis is a rare disease characterized by the development of inflammation and fibrosis in the soft tissues of the retroperitoneum and other abdominal organs.Retroperitoneal fibrosis can be of 2 types:idiopathic and secondary.The recently advocated concept and diagnostic criteria of immunoglobulin G4(IgG4)-related disease,derived from research on autoimmune pancreatitis(AIP),has led to widespread recognition of retroperitoneal fibrosis as a condition caused by IgG4-related disease.We now know that previously diagnosed idiopathic retroperitoneal fibrosis includes IgG4-related disease;however,the actual prevalence is unclear.Conversely,some reports on AIP suggest that retroperitoneal fibrosis is concurrently found in about 10% of IgG4-related disease.Because retroperitoneal fibrosis has no specific symptoms,diagnosis is primarily based on diagnostic imaging(computed tomography and magnetic resonance imaging),which is also useful in evaluating the effect of therapy.Idiopathic retroperitoneal fibrosis can occur at different times with other lesions of IgG4-related disease including AIP.Thus,the IgG4 assay is recommended to diagnose idiopathic retroperitoneal fibrosis.High serum IgG4 levels should be treated and monitored as a symptom of IgG4-related disease.The first line of treatment for retroperitoneal fibrosis is steroid therapy regardless of its cause.For patients with concurrent AIP,i.e.,IgG4-related retroperitoneal fibrosis,the starting dose of steroid is usually 30-40 mg/d.The response to steroid therapy is generally favorable.In most cases,the pancreatic lesion and retroperitoneal fibrosis improve after the initial treatment.However,the epidemiology,treatment for recurring retroperitoneal fibrosis,and long-term prognosis are still largely unknown.Further analysis of such cases and research are necessary. | Nao Fujimori Tetsuhide Ito Hisato Igarashi Takamasa Oono Taichi Nakamura Yusuke Niina Masayuki Hijioka Lingaku Lee Masahiko Uchida Ryoichi Takayanagi | 2013 | World Journal of Gastroenterology2013，19，1： | 14 |
| 3 | Exenatide improves hepatic steatosis by enhancing lipid use in adipose tissue in nondiabetic rats显示文摘AIM:To investigate the metabolic changes in skeletal muscle and/or adipose tissue in glucagon-like peptide-1-induced improvement of nonalcoholic fatty liver disease(NAFLD).METHODS:Male Wistar rats were fed either a control diet(control group)or a high-fat diet(HFD).After 4wk,the HFD-fed rats were subdivided into two groups;one group was injected with exenatide[HFD-Ex(+)group]and the other with saline[HFD-Ex(-)group]every day for 12 wk.The control group received saline and were fed a control diet.Changes in weight gain,energy intake,and oxygen consumption were analyzed.Glucose tolerance tests were performed after 8 wk of treatment.Histological assessments were performed in liver and adipose tissue.RNA expression levels of lipid metabolism related genes were evaluated in liver,skeletal muscle,and adipose tissue.RESULTS:Exenatide attenuated weight gain[HFDEx(-)vs HFD-Ex(+)]and reduced energy intake,which was accompanied by an increase in oxygen consumption and a decrease in the respiratory exchange ratio[HFD-Ex(-)vs HFD-Ex(+)].However,exenatide did not affect glucose tolerance.Exenatide reduced lipid content in the liver and adipose tissue.Exenatide did not affect the expression of lipid metabolism-related genes in the liver or skeletal muscle.In adipose tissue,exenatide significantly upregulated lipolytic genes,including hormone-sensitive lipase,carnitine palmitoyltransferase-1,long-chain acyl-CoA dehydrogenase,and acyl-CoA oxidase 1[HFD-Ex(-)vs HFD-Ex(+)].Exenatide also upregulated catalase and superoxide dismutase 2[HFD-Ex(-)vs HFD-Ex(+)].CONCLUSION:In addition to reducing appetite,enhanced lipid use by exenatide in adipose tissue may reduce hepatic lipid content in NAFLD,most likely by decreasing lipid influx into the liver. | Kosuke Tanaka Yuko Masaki Masatake Tanaka Masayuki Miyazaki Munechika Enjoji Makoto Nakamuta Masaki Kato Masatoshi Nomura Toyoshi Inoguchi Kazuhiro Kotoh Ryoichi Takayanagi | 2014 | World Journal of Gastroenterology2014，20，10： | 6 |
| 4 | Endoscopic approach through the minor papilla for the management of pancreatic diseases显示文摘AIM:To clarify the efficacy and safety of an endoscopic approach through the minor papilla for the management of pancreatic diseases.METHODS:This study included 44 endoscopic retrograde cholangiopancreatography(ERCP) procedures performed in 34 patients using a minor papilla approach between April 2007 and March 2012.We retrospectively evaluated the clinical profiles of the patients,the endoscopic interventions,short-term outcomes,and complications.RESULTS:Of 44 ERCPs,26 were diagnostic ERCP,and 18 were therapeutic ERCP.The most common cause of difficult access to the main pancreatic duct through the major papilla was pancreas divisum followed by distortion of Wirsung's duct.The overall success rate of minor papilla cannulation was 80%(35/44),which was significantly improved by wire-guided cannulation(P = 0.04).Endoscopic minor papillotomy(EMP) was performed in 17 of 34 patients(50%) using a needle-knife(13/17) or a pull-type papillotome(4/17).EMP with pancreatic stent placement,which was the main therapeutic option for patients with chronic pancreatitis,recurrent acute pancreatitis,and pancreatic pseudocyst,resulted in short-term clinical improvement in 83% of patients.Mild post-ERCP pancreatitis occurred as an early complication in 2 cases(4.5%).CONCLUSION:The endoscopic minor papilla approach is technically feasible,safe,and effective when the procedure is performed in a high-volume referral center by experienced endoscopists. | Nao Fujimori Hisato Igarashi Akira Asou Ken Kawabe Lingaku Lee Takamasa Oono Taichi Nakamura Yusuke Niina Masayuki Hijioka Masahiko Uchida Kazuhiro Kotoh Kazuhiko Nakamura Tetsuhide Ito Ryoichi Takayanagi | 2013 | World Journal of Gastrointestinal Endoscopy2013，5，3： | 6 |
| 5 | Lysophosphatidic acid induced nuclear translocation of nuclear factor-κB in Panc-1 cells by mobilizing cytosolic free calcium显示文摘AIM: To clarify whether Lysophosphatidic acid (LPA) activates the nuclear translocation of nuclear factor-κB (NF-κB) in pancreatic cancer. METHODS: Panc-1, a human pancreatic cancer cell line, was used throughout the study. The expression of LPA receptors was confirmed by reverse-transcript polymerase chain reaction (RT-PCR). Cytosolic free calcium was measured by fluorescent calcium indicator fura-2, and the localization of NF-κB was visualized by immunofluorescent method with or without various agents, which effect cell signaling. RESULTS: Panc-1 expressed LPA receptors, LPA1, LPA2 and LPA3. LPA caused the elevation of cytosolic free calcium dose-dependently. LPA also caused the nuclear translocation of NF-κB. Cytosolic free calcium was attenuated by pertussis toxin (PTX) and U73122, an inhibitor of phospholipase C. The translocation of NF-κB was similarly attenuated by PTX and U73122, but phorbol ester, an activator of protein kinase C, alone did not translocate NF-κB. Furthermore, the translocation of NF-κB was completely blocked by Ca2+ chelator BAPTA-AM. Thapsigargin, an endoplasmic- reticulum Ca2+-ATPase pump inhibitor, also promoted the translocation of NF-κB. Staurosporine, a proteinkinase C inhibitor, attenuated translocation of NF-κB induced by LPA. CONCLUSION: These findings suggest that protein kinase C is activated endogenously in Panc-1, and protein kinase C is essential for activating NF-κB with cytosolic calcium and that LPA induces the nuclear translocation of NF-κB in Panc-1 by mobilizing cytosolic free calcium. | Yoshiyuki Arita Tetsuhide Ito Takamasa Oono Ken Kawabe Terumasa Hisano Ryoichi Takayanagi | 2008 | World Journal of Gastroenterology2008，14，28： | 5 |
| 6 | Fractalkine and TGF-β1 levels reflect the severity of chronic pancreatitis in humans显示文摘AIM: To clarify whether serum chemokine and cytokine levels can become useful biological and functional markers to assess the severity of chronic pancreatitis (CP). This study aimed at clarifying whether serum chemokine and cytokine levels can become useful biological and functional markers to assess the severity of CP. METHODS: Serum monocyte chemoattractant protein-1 (MCP-1), transforming growth factor beta-1 (TGF-β1), and soluble type fractalkine (s-fractalkine) concentrations were examined in patients with CP (n = 109) and healthy controls (n = 116). Severity of disease was classified in patients with CP by a staging system. Relationships between stage-specifi c various clinical factors and serum MCP-1, TGF-β1, and s-fractalkine levels were investigated. Furthermore, 57 patients with non-alcoholic CP were similarly evaluated in order to exclude in? uence of alcohol intake. RESULTS: Patients with CP showed signifi cant higher levels of serum TGF-β1 and s-fractalkine, but not MCP-1, compared to the controls. Serum TGF-β1 in the severe stage and s-fractalkine in the mild and thesevere stage of CP significantly increased compared to those of controls. However, it was observed that both TGF-β1 and s-fractalkine levels were affected by alcohol intake. In patients with non-alcoholic CP, serum TGF-β1 showed significant increase in the moderate stage of CP, and serum s-fractalkine revealed signifi cant increase in the early stage of CP. CONCLUSION: It is suggested that the measurement of serum F-fractalkine is useful to diagnose early-stage CP. Moreover, the combined determination of both, s-fractalkine and TGF-β1, in human sera may be helpful in evaluating the severity status of CP. | Mikihiko Yasuda Tetsuhide Ito Takamasa Oono Ken Kawabe Toyoma Kaku Hisato Igarashi Taichi Nakamura Ryoichi Takayanagi | 2008 | World Journal of Gastroenterology2008，14，42： | 4 |
| 7 | Chemoradiotherapy with twice-weekly administration of low-dose gemcitabine for locally advanced pancreatic cancer显示文摘AIM:To evaluate the chemoradiotherapy for locally advanced pancreatic cancer utilizing low dose gemcitabine as a radiation sensitizer administered twice weekly. METHODS: We performed a retrospective analysis of chemoradiotherapy utilizing gemcitabine administered twice weekly at a dose of 40 mg/m2. After that, maintenance systemic chemotherapy with gemcitabine, at a dose of 1000 mg/m2, was administered weekly for 3 wk with 1-wk rest until disease progression or unacceptable toxicity developed. RESULTS: Eighteen patients with locally advanced unresectable pancreatic cancer were enrolled. Three of those patients could not continue with the therapy; one patient had interstitial pneumonia during radiation therapy and two other patients showed liver metastasis or peritoneal metastasis during an early stage of the therapy. The median survival was 15.0 mo and the overall 1-year survival rate was 60%, while the median progression-free survival was 8.0 mo. The subgroup which showed the reduction of tumor development, more than 50% showed a tendency for a better prognosis; however, other parameters including age, gender and performance status did not correlate with survival. The median survival of the groups that died of liver metastasis and peritoneal metastasis were 13.0 mo and 27.7 mo, respectively.CONCLUSION: Chemoradiotherapy with low-dose gemcitabine administered twice weekly could be effective to patients with locally advanced pancreatic cancer; however, patients developing liver metastases had a worse prognosis. Another chemoradiotherapy strategy might be needed for those patients, such as administrating one or two cycles of chemotherapy initially, followed by chemoradiotherapy for the cases with no distant metastases. | Hisato Igarashi Tetsuhide Ito Ken Kawabe Terumasa Hisano Yoshiyuki Arita Toyoma Kaku Ryoichi Takayanagi | 2008 | World Journal of Gastroenterology2008，14，34： | 3 |
| 8 | Mucosal-incision assisted biopsy for suspected gastric gastrointestinal stromal tumors显示文摘To evaluate the diagnostic yield of the procedure, mucosal-incision assisted biopsy (MIAB), for the histological diagnosis of gastric gastrointestinal stromal tumor (GIST), we performed a retrospective review of the 27 patients with suspected gastric GIST who underwent MIAB in our hospitals. Tissue samples obtained by MIAB were sufficient to make a histological diagnosis (diagnostic MIAB) in 23 out of the 27 patients, where the lesions had intraluminal growth patterns. Alternatively, the samples were insufficient (non-diagnosticMIAB) in remaining 4 patients, three of whom had gastric submucosal tumor with extraluminal growth patterns. Although endoscopic ultrasound and fine needle aspiration is the gold standard for obtaining tissue specimens for histological and cytological analysis of suspected gastric GISTs, MIAB can be used as an alternative method for obtaining biopsy specimens of lesions with an intraluminal growth pattern. | Eikichi Ihara Hiroshi Matsuzaka Kuniomi Honda Yoshitaka Hata Yorinobu Sumida Hirotada Akiho Tadashi Misawa Satoshi Toyoshima Yoshiharu Chijiiwa Kazuhiko Nakamura Ryoichi Takayanagi | 2013 | World Journal of Gastrointestinal Endoscopy2013，5，4： | 3 |
| 9 | Antithrombin Ⅲ injection via the portal vein suppresses liver damage显示文摘AIM:To investigate the effects of antithrombin Ⅲ(AT Ⅲ) injection via the portal vein in acute liver failure.METHODS:Thirty rats were intraperitoneally challenged with lipopolysaccharide(LPS) and D-galactosamine(GalN) and divided into three groups:a control group;a group injected with AT Ⅲ via the tail vein;and a group injected with AT Ⅲ via the portal vein.AT Ⅲ(50 U/kg body weight) was administrated 1 h after challenge with LPS and GalN.Serum levels of inflammatory cytokines and fibrin degradation products,hepatic fibrin deposition,and hepatic mRNA expression of hypoxiarelated genes were analyzed.RESULTS:Serum levels of alanine aminotransferase,tumor necrosis factor-α and interleukin-6 decreased significantly following portal vein AT Ⅲ injection compared with tail vein injection,and control rats.Portal vein AT Ⅲ injection reduced liver cell destruction and decreased hepatic fibrin deposition.This treatment also significantly reduced hepatic mRNA expression of lactate dehydrogenase and heme oxygenase-1.CONCLUSION:A clinically acceptable dose of AT Ⅲ injection into the portal vein suppressed liver damage,probably through its enhanced anticoagulant and antiinflammatory activities. | Masayuki Miyazaki Masaki Kato Masatake Tanaka Kosuke Tanaka Shinichiro Takao Motoyuki Kohjima Tetsuhide Ito Munechika Enjoji Makoto Nakamuta Kazuhiro Kotoh Ryoichi Takayanagi | 2012 | World Journal of Gastroenterology2012，18，16： | 2 |
| 10 | SREBP-1c, regulated by the insulin and AMPK signaling pathways, playsa role in nonalcoholic fatty liver disease显示文摘 | Motoyuki Kohjima Nobito Higuchi Masaki Kato Kazuhiro Kotoh Tsuyoshi Yoshimoto Tatsuya Fujino Masayoshi Yada Ryoko Yada Naohiko Harada Munechika Enjoji Ryoichi Takayanagi Makoto Nakamuta | 2008 | International Journal of Molecular Medicine2008，，4： | 2 |
| 11 | Increased hepatic expression of dipeptidyl peptidase-4 in non-alcoholicfatty liver disease and its association with insulin resistance and glucose metabolism显示文摘 | Masayuki Miyazaki Masaki Kato Kosuke Tanaka Masatake Tanaka Motoyuki Kohjima Kazuhiko Nakamura Munechika Enjoji Makoto Nakamuta Kazuhiro Kotoh Ryoichi Takayanagi | 2012 | Molecular Medicine Reports2012，，3： | 2 |
| 12 | Blocking of monocyte chemoattractant protein-1 (MCP-1) activity attenuates the severity of acute pancreatitis in rats显示文摘 | Toshiaki Ishibashi Haifeng Zhao Ken Kawabe Takamasa Oono Kensuke Egashira Koichi Suzuki Hajime Nawata Ryoichi Takayanagi Tetsuhide Ito | 2008 | Journal of Gastroenterology2008，，1： | 1 |
| 13 | Acute liver failure caused by drug-induced hypersensitivity syndrome associated with hyperferritinemia显示文摘Drug-induced hypersensitivity syndrome(DIHS) is a severe reaction usually characterized by fever,rash,and multiorgan failure,occurring 2-6 wk after drug introduction.It is an immune-mediated reaction involving macrophage and T-lymphocyte activation and cytokine release.A 54-year-old woman was diagnosed with rheumatic arthritis and initiated salazosulfapyridine by mouth.About 10 d later,she had a high fever,skin rash and liver dysfunction.She was admitted to hospital and diagnosed with a drug eruption.She was treated with oral prednisolone 30 mg/d;however,she developed high fever again and her blood tests showed acute liver failure and cytopenia associated with hyperferritinemia.She was diagnosed with acute liver failure and hemophagocytosis caused by DIHS.She was transferred to the Department of Medicine and Bioregulatory Science,Kyushu University,where she was treated with arterial steroid injection therapy.Following this treatment,her liver function improved and serum ferritin immediately decreased.We hypothesized that an immune-mediated reaction in DIHS may have generated over-activation of macrophages and T-lymphocytes,followed by a cytokine storm that affected various organs.The measurement of serum ferritin might be a useful marker of the severity of DIHS. | Masayuki Miyazaki Masatake Tanaka Akihiro Ueda Tsuyoshi Yoshimoto Masaki Kato Makoto Nakamuta Kazuhiro Kotoh Ryoichi Takayanagi | 2011 | World Journal of Gastroenterology2011，17，44： | 1 |
| 14 | Glucocorticoid-induced osteoporosis显示文摘 | Suzuki shizuka Goto kiminobu Takayanagi ryoichi | 2002 | J Joint Surg2002，21，10： | 1 |
| 15 | Glucocorticoid induced Osteoporosis显示文摘 | Suzuki shizuka GoIo kiminobu Takayanagi ryoichi | 2002 | J Joint Surg2002，21，10： | 1 |
| 16 | Tributyltin or Triphenyltin Inhibits Aromatase Activity in the Human Granulosa-like Tumor Cell Line KGN显示文摘 | Masayuki Saitoh Toshihiko Yanase Hidetaka Morinaga Makito Tanabe Yi-Ming Mu Yoshihiro Nishi Masatoshi Nomura Taijiro Okabe Kiminobu Goto Ryoichi Takayanagi Hajime Nawata | 2001 | Biochemical and Biophysical Research Communications2001，，1： | 1 |
| 17 | Inverse associations of serum bilirubin with high sensitivity C-reactive protein, glycated hemoglobin, and prevalence of type 2 diabetes in middle-aged and elderly Japanese men and women显示文摘 | Keizo Ohnaka Suminori Kono Toyoshi Inoguchi Guang Yin Makiko Morita Masahiro Adachi Hisaya Kawate Ryoichi Takayanagi | 2010 | Diabetes Research and Clinical Practice2010，，： | 1 |
| 18 | Efficacy and safety of bazedoxifene for postmenopausal osteoporosis显示文摘 | Hisaya Kawate Ryoichi Takayanagi | 2011 | Clinical Interventions in Aging (default)2011，，： | 1 |
| 19 | Blocking of monocyte chemoattractant protein-1 (MCP-1) activity attenuates the severity of acute pancreatitis in rats显示文摘 | Toshiaki Ishibashi Haifeng Zhao Ken Kawabe Takamasa Oono Kensuke Egashira Koichi Suzuki Hajime Nawata Ryoichi Takayanagi Tetsuhide Ito | 2008 | Journal of Gastroenterology2008，，1： | 1 |
| 20 | Prospective Comparative Study on the Acceptability of Unsedated Transnasal Endoscopy in Younger Versus Older Patients显示文摘 | Atsuhiko Murata Kazuya Akahoshi Yasuaki Motomura Noriaki Matsui Masaru Kubokawa Mitsuhide Kimura Jiro Ouchi Kuniomi Honda Shingo Endo Kazuhiko Nakamura Ryoichi Takayanagi | 2008 | Journal of Clinical Gastroenterology2008，，9： | 1 |
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