Research Topics
Genomes and Genes
| Shin MaedaSummaryAffiliation: University of Tokyo Country: Japan Publications
| Collaborators
|
Detail Information
Publications
Ikappa B kinasebeta/nuclear factor-kappaB activation controls the development of liver metastasis by way of interleukin-6 expressionShin Maeda
Department of Gastroenterology, University of Tokyo, Tokyo, Japan
Hepatology 50:1851-60. 2009..CONCLUSION: Collectively, these observations suggest that IKKbeta/NF-kappaB activation controls the development of liver metastasis by way of IL-6 expression and is a potential target for the development of antimetastatic drugs...
Essential roles of high-mobility group box 1 in the development of murine colitis and colitis-associated cancerShin Maeda
Division of Gastroenterology, Institute for Adult Diseases, Asahi Life Foundation, 1 6 1 Marunouchi, Chiyoda ku, Tokyo 100 0005, Japan
Biochem Biophys Res Commun 360:394-400. 2007..These observations suggest that HMGB1 is a potentially useful target for IBD treatment and the prevention of colitis-associated cancer...
Pathogenesis of Helicobacter pylori infectionShin Maeda
Division of Gastroenterology, Institute for Adult Diseases, Asahi Life Foundation, 1 6 1 Marunouchi, Chiyoda ku, 100 0005 Tokyo, Japan
Helicobacter 12:10-4. 2007..pylori infection which is similar to that in humans and can be used to evaluate virulence factors including CagA, host responses, and environmental factors such as salt intake...
Inflammation and cancer: role of nuclear factor-kappaB activationShin Maeda
Division of Gastroenterology, Institute for Adult Diseases, Asahi Life Foundation, 1 6 1 Marunouchi, Chiyoda ku, Tokyo 100 0005, Japan
Cancer Sci 99:836-42. 2008....
Colon cancer-derived factors activate NF-κB in myeloid cells via TLR2 to link inflammation and tumorigenesisShin Maeda
Department of Gastroenterology, Yokohama City University, Kanazawa Ku, Yokohama, Kanagawa 236 0004, Japan
Mol Med Rep 4:1083-8. 2011..Taken together, colon cancer-derived factors induce the accumulation of macrophages and activate NF-κB through a TLR2-dependent mechanism, suggesting an important link between inflammation and tumor growth...
Apoptosis signal-regulating kinase 1 regulates colitis and colitis-associated tumorigenesis by the innate immune responsesYoku Hayakawa
Department of Gastroenterology, University of Tokyo, Tokyo 113 8655, Japan
Gastroenterology 138:1055-67.e1-4. 2010..Apoptosis signal-regulating kinase 1 (ASK1) is a MAPK kinase kinase; little is known about the role of ASK1 in colonic disease. We assessed the involvement of ASK1 in the development of intestinal inflammation and CAC...
Gastric cancer risk according to the distribution of intestinal metaplasia and neutrophil infiltrationKosuke Sakitani
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
J Gastroenterol Hepatol 26:1570-5. 2011..We aimed to elucidate the association between gastric cancer risk and the distribution of precancerous lesions in the stomach by histological analyses...
Effectiveness of IkappaB kinase inhibitors in murine colitis-associated tumorigenesisYoku Hayakawa
Department of Gastroenterology, University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo, 113 8655, Japan
J Gastroenterol 44:935-43. 2009..This study investigated whether inhibitors of IKKbeta, which is a critical kinase for NF-kappaB activation, reduce colitis-associated tumorigenesis in mice...
Inhibitor of kappaB kinase beta regulates gastric carcinogenesis via interleukin-1alpha expressionKei Sakamoto
Division of Gastroenterology, Institute for Adult Diseases, Asahi Life Foundation, Tokyo, Japan
Gastroenterology 139:226-38.e6. 2010..Nuclear factor-kappaB (NF-kappaB) is an important transcription factor involved in various biological processes, including carcinogenesis. However, it is unknown whether NF-kappaB activation is involved in gastric carcinogenesis...
Activation of IkappaB kinase and NF-kappaB is essential for Helicobacter pylori-induced chronic gastritis in Mongolian gerbilsAyako Yanai
Division of Gastroenterology, Institute for Adult Diseases, Asahi Life Foundation, 1 6 1 Marunouchi, Tokyo 100 0005, Japan
Infect Immun 76:781-7. 2008..pylori gastritis. Collectively, our data suggest that H. pylori-mediated gastric inflammation critically depends on the efficient recruitment and activation of macrophages, with sufficient NF-kappaB activation...
c-Jun NH2-terminal kinase 1 is a critical regulator for the development of gastric cancer in miceWataru Shibata
Division of Gastroenterology, Institute for Adult Diseases, Asahi Life Foundation, Chiyoda ku, Tokyo, Japan
Cancer Res 68:5031-9. 2008..Taken together, JNK seems to be involved in both tumor initiation and promotion and may be an attractive target for the prevention of gastric carcinogenesis...
Cutting edge: The IkappaB kinase (IKK) inhibitor, NEMO-binding domain peptide, blocks inflammatory injury in murine colitisWataru Shibata
Division of Gastroenterology, Institute for Adult Diseases, Asahi Life Foundation, 1 6 1 Marunouchi, Chiyoda ku, Tokyo 100 0005, Japan
J Immunol 179:2681-5. 2007..These results indicate that an IKKbeta-targeted NF-kappaB blockade using the NBD peptide could be an attractive therapeutic approach for inflammatory bowel disease...
Constitutive NF-kappaB activation in colorectal carcinoma plays a key role in angiogenesis, promoting tumor growthKei Sakamoto
Division of Gastroenterology, Institute for Adult Diseases, Asahi Life Foundation, Tokyo, Japan
Clin Cancer Res 15:2248-58. 2009..Constitutive NF-kappaB activation has been noted in many tumors, including colorectal cancers. However, the precise role of this activation in colorectal cancer is unclear...
Clinical relevance of Helicobacter pylori sabA genotype in Japanese clinical isolatesAyako Yanai
Division of Gastroenterology, The Institute for Adult Diseases, Asahi Life Foundation, Chiyoda ku, Tokyo, Japan
J Gastroenterol Hepatol 22:2228-32. 2007..The aim of this study was to assess the relationship between the status of H. pylori sialic acid-binding adhesin (sabA) and the severity of gastric inflammation and diseases...
The effect of Helicobacter pylori eradication on reducing the incidence of gastric cancerKeiji Ogura
Department of Gastroenterology, Graduate School of Medicine, University of Tokyo, Bunkyo ku, Tokyo, Japan
J Clin Gastroenterol 42:279-83. 2008..017) between the groups, but not for undifferentiated cancer (P=0.847). The results of the current study suggest that the eradication of H. pylori infection reduces the incidence of gastric cancer...
Role of interleukin-32 in Helicobacter pylori-induced gastric inflammationKosuke Sakitani
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
Infect Immun 80:3795-803. 2012..We also found that NF-κB activation was decreased in H. pylori-infected IL-32-knockdown cells. These results suggest that IL-32 has important functions in the regulation of cytokine expression in H. pylori-infected gastric mucosa...
Apoptosis signal-regulating kinase-1 inhibitor as a potent therapeutic drug for the treatment of gastric cancerYoku Hayakawa
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
Cancer Sci 103:2181-5. 2012..These results indicate that ASK1 inhibition prevents GC cell growth in vitro and in vivo, suggesting that ASK1 inhibitors can be potent therapeutic drugs for GC...
Effect of sumatriptan on gastric emptying: a crossover study using the BreathID systemYasunari Sakamoto
Gastroenterology Division, Yokohama City University Hospital, 3 9 Fukuura, Kanazawa Ku, Yokohama, Kanagawa 236 0004, Japan
World J Gastroenterol 18:3415-9. 2012..To determine the effect of oral sumatriptan on gastric emptying using a continuous ¹³C breath test (BreathID system)...
NF-kappaB and ERK-signaling pathways contribute to the gene expression induced by cag PAI-positive-Helicobacter pylori infectionWataru Shibata
Department of Gastroenterology, Graduate School of Medicine, University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 8655, Japan
World J Gastroenterol 11:6134-43. 2005....
Deletion of apoptosis signal-regulating kinase 1 attenuates acetaminophen-induced liver injury by inhibiting c-Jun N-terminal kinase activationHayato Nakagawa
Department of Gastroenterology, University of Tokyo, Hongo, Bunkyo ku, Tokyo
Gastroenterology 135:1311-21. 2008..We tested the hypothesis that ASK1 was involved in APAP-induced JNK activation and liver injury...
Relationship between nuclear factor-kappaB activation and virulence factors of Helicobacter pylori in Japanese clinical isolatesShin Maeda
Department of Gastroenterology, University of Tokyo, Japan
J Gastroenterol Hepatol 17:556-62. 2002..The aim of the present study was to evaluate these candidates in nuclear factor (NF)-kappaBeta activation, which is a critical regulator of genes involved in inflammatory reactions...
Functional variability of cagA gene in Japanese isolates of Helicobacter pyloriYoshihiro Hirata
Department of Gastroenterology, University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 8655, Japan
Gene 343:165-72. 2004..pylori induces distinct diseases on host...
Sitafloxacin resistance in Helicobacter pylori isolates and sitafloxacin-based triple therapy as a third-line regimen in JapanYoshihiro Hirata
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, 7 3 1, Hongo, Bunkyo ku, Tokyo 113 8655, Japan
Int J Antimicrob Agents 39:352-5. 2012..These results suggest that STX could be active against most clinical H. pylori isolates and that STX-based triple therapy is a promising and safe third-line therapy...
Investigation of the prevalence and number of aberrant crypt foci associated with human colorectal neoplasmEiji Sakai
Gastroenterology Division, Yokohama City University School of Medicine, 3 9 Fuku ura, Kanazawa Ku, Yokohama, 236 0004 Japan
Cancer Epidemiol Biomarkers Prev 20:1918-24. 2011..We attempted to investigate the relationship between the presence of ACF and human colorectal carcinogenesis using a relatively large sample size...
MyD88 and TNF receptor-associated factor 6 are critical signal transducers in Helicobacter pylori-infected human epithelial cellsYoshihiro Hirata
Department of Gastroenterology, University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 8655, Japan
J Immunol 176:3796-803. 2006..These results suggest that the cag pathogenicity island of H. pylori is a cell type-specific NF-kappaB activator. TAK1, TRAF6, and MyD88 are important signal transducers in H. pylori-infected human epithelial cells...
Helicobacter pylori induces IkappaB kinase alpha nuclear translocation and chemokine production in gastric epithelial cellsYoshihiro Hirata
Department of Gastroenterology, University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 8655, Japan
Infect Immun 74:1452-61. 2006..IKKalpha nuclear translocation induced by H. pylori is indispensable for appropriate inflammatory responses but not for antiapoptosis, which suggests a critical role for IKKalpha in gastritis development...
Helicobacter pylori CagA protein activates serum response element-driven transcription independently of tyrosine phosphorylationYoshihiro Hirata
Department of Gastroenterology, University of Tokyo, Japan
Gastroenterology 123:1962-71. 2002..Here we identify a new role for CagA protein as an activator of host cell signaling...
Anti-tumor activity of the proteasome inhibitor bortezomib in gastric cancerWachiko Nakata
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 8655, Japan
Int J Oncol 39:1529-36. 2011..We also observed anti‑tumor effects of bortezomib in vivo. Bortezomib is a potential novel molecular targeting drug for the treatment of unresectable advanced gastric cancer...
Apoptosis signal-regulating kinase 1 inhibits hepatocarcinogenesis by controlling the tumor-suppressing function of stress-activated mitogen-activated protein kinaseHayato Nakagawa
Department of Gastroenterology, University of Tokyo, Tokyo, Japan
Hepatology 54:185-95. 2011..This study provides new insight into the regulation of stress- activated MAPK signaling in hepatocarcinogenesis...
Use of fusion imaging combining contrast-enhanced ultrasonography with a perflubutane-based contrast agent and contrast-enhanced computed tomography for the evaluation of percutaneous radiofrequency ablation of hypervascular hepatocellular carcinomaKazushi Numata
Gastroenterological Center, Yokohama City University Medical Center, 4 57 Urafune cho, Minami Ku, Yokohama, Kanagawa 232 0024, Japan
Eur J Radiol 81:2746-53. 2012....
[NF-kappaB and MAPK-signaling pathways contribute to the gene expression and host response induced by Helicobacter pylori infection]Wataru Shibata
Department of Gastroenterology, Faculty of Medicine, University of Tokyo
Nippon Rinsho 63:132-7. 2005
Efficacy and safety of faropenem in eradication therapy of Helicobacter pyloriKeiji Ogura
Department of Gastroenterology, Graduate School of Medicine, University of Tokyo, 7 3 1 Hongo, Tokyo 113 8655, Japan
Helicobacter 12:618-22. 2007..To seek a better regimen for eradication therapy, we assessed the sensitivity of clinical strains seen in Japan to faropenem and then evaluated the efficacy and safety of eradication therapy containing this antibiotic...
Helicobacter pylori induces antiapoptosis through buclear factor-kappaB activationAyako Yanai
Department of Gastroenterology, Faculty of Medicine, University of Tokyo, Tokyo 113 8655, Japan
J Infect Dis 188:1741-51. 2003..pylori. In conclusion, H. pylori induces antiapoptosis through c-IAP2 transactivation following cagPAI-dependent NF-kappaB activation. The interaction of these stimuli may play a role in gastric carcinogenesis...
A new non-invasive modality for recording sequential images and the pH of the small bowelHiroshi Iida
Yokohama City University School of Medicine, Yokohama, Japan
Hepatogastroenterology 59:413-4. 2012..The aim of this study was to investigate the relationship between small bowel disease and the small bowel pH, we designed a new modality, the 'pH capsule', to non-invasively record sequential images and the pH...
Is hepatic arterial infusion chemotherapy effective treatment for advanced hepatocellular carcinoma resistant to transarterial chemoembolization?Hiroyuki Kirikoshi
Gastroenterology Division, Yokohama City University Graduate School of Medicine, 3 9 Fuku ura, Kanazawa Ku, Yokohama 236 0004, Japan
World J Gastroenterol 18:1933-9. 2012..To evaluate the effectiveness of hepatic arterial infusion chemotherapy (HAIC) for advanced hepatocellular carcinoma (HCC) resistant to transarterial chemoembolization (TACE)...
Findings of multidetector row computed tomography of HCCs treated by HIFU ablationHiroyuki Fukuda
Gastroenterological Center, Yokohama City University Medical Center, 4 57 Urafune cho, Minami Ku, Yokohama, Kanagawa 232 0024, Japan
Eur J Radiol 81:e239-43. 2012....
Helicobacter pylori activates NF-kappaB via the alternative pathway in B lymphocytesTomoya Ohmae
Department of Gastroenterology, Graduate School of Medicine, University of Tokyo, Hongo, Tokyo, Japan
J Immunol 175:7162-9. 2005..The effects on chemokine production and antiapoptosis mediated by H. pylori-induced processing of NF-kappaB2/p100 to p52 may drive lymphocytes to acquire malignant potential...
Influence of Helicobacter pylori eradication on the management of type 2 diabetesMasao Akanuma
Asahi Life Foundation, Tokyo, Japan
Hepatogastroenterology 59:641-5. 2012..In addition, the number of patients with type 2 diabetes is increasing worldwide. The aim of this study was to understand the influence of H. pylori eradication therapy on the management of type 2 diabetes...
Therapeutic effect of c-Jun N-terminal kinase inhibition on pancreatic cancerRyota Takahashi
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo
Cancer Sci 104:337-44. 2013..Angiogenesis was also decreased by JNK inhibition in vitro and in vivo. In conclusion, activation of JNK promotes development of pancreatic cancer, and JNK may be a potential therapeutic target for pancreatic cancer...
Endoscopic ultrasonographic findings predict the risk of carcinoma in branch duct intraductal papillary mucinous neoplasms of the pancreasNoritoshi Kobayashi
Gastroenterology Division, Yokohama City University Graduate School of Medicine, 3 9, Fuku ura, Kanazawa Ku, Yokohama 236 0004, Japan
Pancreatology 12:141-5. 2012..The purpose of this study was to evaluate the preoperative diagnostic value of endoscopic ultrasonography (EUS) in differentiating low-risk and high-risk IPMNs...
Early effect of oral administration of omeprazole with mosapride as compared with those of omeprazole alone on the intragastric pHHiroshi Iida
Yokohama City University School of Medicine, Yokohama, Japan
BMC Gastroenterol 12:25. 2012..The aim of our study was to comparatively investigate the inhibitory effect on gastric acid secretion of a single oral administration of omeprazole plus mosapride with that of omeprazole alone...
Reduced expression of RAS protein activator like-1 in gastric cancerMotoko Seto
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
Int J Cancer 128:1293-302. 2011..Our findings demonstrate that reduced RASAL1 expression, partly due to genetic and epigenetic changes, contributes to gastric carcinogenesis, and also re-emphasize the importance of RAS signaling in gastric cancer development...
Apoptosis signal-regulating kinase 1 and cyclin D1 compose a positive feedback loop contributing to tumor growth in gastric cancerYoku Hayakawa
Department of Gastroenterology, Graduate School of Medicine, University of Tokyo, Tokyo 113 8655, Japan
Proc Natl Acad Sci U S A 108:780-5. 2011..These results indicate an autoregulatory mechanism of ASK1 in the development of gastric cancer. Targeting this positive feedback loop, ASK1 may present a potential therapeutic target for the treatment of advanced gastric cancer...
Effects of domperidone on gastric emptying: a crossover study using a continuous real-time 13C breath test (BreathID system)Yasunari Sakamoto
Gastroenterology Division, Yokohama City University School of Medicine, Kanazawaku, Yokohama, Japan
Hepatogastroenterology 58:637-41. 2011..To determine the correlation between domperidone and gastric emptying using the continuous real time 13C breath-test (BreathID system), a novel non-invasive technique for measuring gastric emptying...
Novel Lens culinaris agglutinin-reactive fraction of α-fetoprotein: a biomarker of hepatocellular carcinoma recurrence in patients with low α-fetoprotein concentrationsManabu Morimoto
Gastroenterological Center, Yokohama City University Medical Center, 4 57 Urafune cho, Minami Ku, Yokohama, 232 0024, Japan
Int J Clin Oncol 17:373-9. 2012..This cross-sectional study was conducted to evaluate the clinical significance of the sensitive AFP-L3% in determining HCC recurrence in patients with low total AFP concentrations...
Eicosapentaenoic acid (EPA) efficacy for colorectal aberrant crypt foci (ACF): a double-blind randomized controlled trialTakuma Higurashi
Division of Gastroenterology, Yokohama City University School of Medicine, 3 9 Fuku ura, Kanazawa Ku, Yokohama 236 0004, Japan
BMC Cancer 12:413. 2012....
Altered composition of fatty acids exacerbates hepatotumorigenesis during activation of the phosphatidylinositol 3-kinase pathwayYotaro Kudo
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 8655, Japan
J Hepatol 55:1400-8. 2011....
Helicobacter pylori activates the proto-oncogene c-fos through SRE transactivationYuzo Mitsuno
Department of Gastroenterology, University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 8655, Japan
Biochem Biophys Res Commun 291:868-74. 2002..pylori possessing intact cag PAI. SRE is required for the activation of c-fos by H. pylori. These results suggest a direct involvement of H. pylori infection in cellular proliferation, which may play a role in neoplastic transformation...
Determining early gastric cancer lesions appropriate for endoscopic submucosal dissection trainees: a proposal related to curabilityKingo Hirasawa
Gastroenterological Center, Yokohama City University Medical Center Division of Gastroenterology, Yokohama, Japan
Dig Endosc 24:143-7. 2012..In addition, we suggest that this risk assessment chart is suitable for the pretreatment assessment of curability and the likelihood of successful en bloc resection...
Risk assessment chart for curability of early gastric cancer with endoscopic submucosal dissectionKingo Hirasawa
Gastroenterological Center, Yokohama City University Medical Center, Yokohama, Japan
Gastrointest Endosc 74:1268-75. 2011..Endoscopic submucosal dissection (ESD) was introduced worldwide as a new treatment option for early gastric cancer, but curability prediction has not been evaluated on an individual basis...
Serum IL-6 levels and the risk for hepatocarcinogenesis in chronic hepatitis C patients: an analysis based on gender differencesHayato Nakagawa
Department of Gastroenterology, University of Tokyo, Tokyo 113 8655, Japan
Int J Cancer 125:2264-9. 2009..Measurement of serum IL-6 levels may provide useful information for predicting future HCC development in female chronic hepatitis C patients...
Radiofrequency ablation combined with transarterial chemoembolization for subcapsular hepatocellular carcinoma: a prospective cohort studyManabu Morimoto
Yokohama City University Medical Center, 4 57 Urafune cho, Minami Ku, Yokohama, Kanagawa 232 0024, Japan
Eur J Radiol 82:497-503. 2013....
Peroxisome Proliferator-Activated Receptor Gamma Exacerbates Concanavalin A-Induced Liver Injury via Suppressing the Translocation of NF-κB into the NucleusYuji Ogawa
Department of Gastroenterology, Yokohama City University Graduate School of Medicine, 3 9 Fukuura, Kanazawa Ku, Yokohama 236 0004, Japan
PPAR Res 2012:940384. 2012..In this study, we showed that PPARγ exacerbated Con A-induced liver injury via suppressing the translocation of NF-κB into the nucleus, thereby inhibiting the suppression of liver cell apoptosis...
Risk factors for colonic diverticular hemorrhage: Japanese multicenter studyKaori Suzuki
Department of Gastroenterology, Yokohama Rosai Hospital, Yokohama, Japan
Digestion 85:261-5. 2012..However, the exact cause of diverticular hemorrhage is not well understood. We investigated the risk factors for diverticular hemorrhage...
Usefulness of US-CT 3D dual imaging for the planning and monitoring of hepatocellular carcinoma treatment using HIFUHiroyuki Fukuda
Gastroenterological Center, Yokohama City University Medical Center, 4 57 Urafune cho, Minami Ku, Yokohama, Kanagawa 232 0024, Japan
Eur J Radiol 80:e306-10. 2011..We evaluated the safety and usefulness of high-intensity focused ultrasound (HIFU) assisted by ultrasound-computed tomography three-dimensional (US-CT 3D) dual imaging for the treatment of hepatocellular carcinoma (HCC)...
Sitagliptin as a novel treatment agent for non-alcoholic Fatty liver disease patients with type 2 diabetes mellitusTomoyuki Iwasaki
Yokohama City University Graduate School of Medicine, Yokohama, Japan
Hepatogastroenterology 58:2103-5. 2011..However, no effective drug therapy for NAFLD has been established yet. In the present study, we evaluated the efficacy of 4 months of treatment with sitagliptin in NAFLD patients with type 2 diabetes mellitus (DM)...
The evaluation of putative virulence factors of Helicobacter pylori for gastroduodenal disease by use of a short-term Mongolian gerbil infection modelMasao Akanuma
Department of Gastroenterology, Graduate School of Medicine, University of Tokyo, Tokyo 113 8655, Japan
J Infect Dis 185:341-7. 2002..The Mongolian gerbil model was useful for the screening of virulence determinants in vivo, which confirmed the importance of cag PAI while questioning that of HP0499...
Mortality from gastric cancer in patients followed with upper gastrointestinal endoscopyMasako Ogura
Division of Gastroenterology, Institute for Adult Diseases, Asahi Life Foundation, Tokyo, Japan
Scand J Gastroenterol 43:574-80. 2008..The aim of the study was to investigate if gastric cancer-related mortality can be reduced by regular endoscopy...
Targeting NF-kappaB for colorectal cancerKei Sakamoto
Institute for Adult Diseases, Asahi Life Foundation, Division of Gastroenterology, 1 6 1 Marunouchi, Chiyoda ku, 100 0005 Tokyo, Japan
Expert Opin Ther Targets 14:593-601. 2010..The NF-kappaB signaling pathway plays critical roles in physiological and pathological processes, and the relationship between colon cancer development and NF-kappaB is becoming clear...
Risk factors for esophageal variceal bleeding in patients with hepatocellular carcinomaMasao Akanuma
Division of Gastroenterology, Department of Internal Medicine, University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 8655, Japan
Hepatogastroenterology 49:1039-44. 2002..To evaluate the risk factors for esophageal variceal bleeding in patients with hepatocellular carcinoma...
Semaphorin 4D, a lymphocyte semaphorin, enhances tumor cell motility through binding its receptor, plexinB1, in pancreatic cancerShingo Kato
Department of Gastroenterology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
Cancer Sci 102:2029-37. 2011..Our findings provide new insight into possible prognostic biomarkers and therapeutic targets in PDAC patients...
Endoscopic diagnosis of Barrett's esophagusTomoyuki Akiyama
Tomoyuki Akiyama, Shigeru Koyama, Department of Gastroenterology, Tokyo Metropolitan Hiroo Hospital, Tokyo 150 0013, Japan
World J Gastroenterol 18:3477-8. 2012..We suspect that the high prevalence of BE in our study may be due to the inclusion of ultrashort-segment BE, which defines BE with an affected mucosal length under 5 mm, in our positive results...
Change of Gastric Emptying With Chewing Gum: Evaluation Using a Continuous Real-Time C Breath Test (BreathID System)Yasunari Sakamoto
Gastroenterology Division, Yokohama City University School of Medicine, Yokohama, Japan
J Neurogastroenterol Motil 17:174-9. 2011..The aim of this study was to determine the correlation between chewing gum and gastric emptying using the continuous real time (13)C breath test (BreathID system)...
Mosapride Accelerates the Delayed Gastric Emptying of High-Viscosity Liquids: A Crossover Study Using Continuous Real-Time C Breath Test (BreathID System)Yasunari Sakamoto
Gastroenterology Division, Yokohama City University School of Medicine, Yokohama, Japan
J Neurogastroenterol Motil 17:395-401. 2011..The present study was conducted with the aim of determining whether high-viscosity liquid meals had any effect on the rate of gastric emptying and mosapride might accelerate the rate of gastric emptying of high-viscosity liquid meals...
Non-bismuth quadruple therapy for first-line Helicobacter pylori eradication: A randomized study in JapanAyako Yanai
Ayako Yanai, Department of Gastroenterology, Toranomon Hospital Kajigaya, 1 3 1 Kajigaya, Takatsu ku, Kawasaki, Kanagawa 213 8587, Japan
World J Gastrointest Pharmacol Ther 3:1-6. 2012..To find the way to improve the eradication rate of first-line therapy in Japanese patients...
Efficacy of fusion imaging combining sonography and hepatobiliary phase MRI with Gd-EOB-DTPA to detect small hepatocellular carcinomaYosuke Kunishi
Gastroenterological Center, Yokohama City University Medical Center, 4 57 Urafune cho, Minami Ku, Yokohama, Kanagawa 232 0024, Japan
AJR Am J Roentgenol 198:106-14. 2012....
Inhibiting Cxcr2 disrupts tumor-stromal interactions and improves survival in a mouse model of pancreatic ductal adenocarcinomaHideaki Ijichi
Department of Gastroenterology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
J Clin Invest 121:4106-17. 2011..Further, our results suggest that inhibiting tumor-stromal interactions might be a promising therapeutic strategy for PDAC...
Assessment of the risk factors for colonic diverticular hemorrhageAtsuo Yamada
Department of Gastroenterology, Graduate School of Medicine, University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo, Japan
Dis Colon Rectum 51:116-20. 2008..Studies about risk factors, other than nonsteroidal anti-inflammatory drugs, for colonic diverticular hemorrhage are limited. We conducted the present study to elucidate their significance as a risk factor...
[Role of NF-kappaB activation in inflammation-associated carcinogenesis]Shin Maeda
Division of Gastroenterology, The Institute for Adult Diseases, Asahi Life Foundation, 1-6-1 Marunouchi, Chiyoda-ku, Tokyo 100-0005, Japan
Seikagaku 78:330-4. 2006
Influence of pretreatment with H2 receptor antagonists on the cure rates of Helicobacter pylori eradicationChikako Tokoro
Gastroenterology Division, Yokohama City University Hospital, Yokohama, Japan
Med Sci Monit 17:CR235-40. 2011..pylori eradication has not yet been studied. We compared the efficacy of eradication regimen (lansoprazole/amoxicillin/clarithromycin) in patients with H. pylori infection with or without H2RA pretreatment...
[Helicobacter pylori virulence factors except CagA]Shin Maeda
Department of Gastroenterology, University of Tokyo
Nihon Rinsho 67:2251-6. 2009..Signaling pathway via toll-like receptors(TLR) is also thought to be important especially in myeloid cells even though bioactivity of H. pylori LPS is reported to be weak compared with other bacteria such as E. coli...
Clostridium difficile infection in patients with ulcerative colitis: investigations of risk factors and efficacy of antibiotics for steroid refractory patientsTakashi Kaneko
Inflammatory Bowel Disease Center, Yokohama City University Medical Center, Yokohama, Japan
Clin Res Hepatol Gastroenterol 35:315-20. 2011..Potentially, CDI can exacerbate UC. Therefore, knowledge on the prevalence of CDI should contribute to better management of UC patients...
Solitary Peutz-Jeghers type hamartomatous polyps in the duodenum are not always associated with a low risk of cancer: two case reportsYusuke Sekino
Gastroenterology Division, Yokohama City University School of Medicine, 3 9 Fukuura Kanazawa ku, Yokohama, 236 0004, Japan
J Med Case Reports 5:240. 2011..abstract:..
Hydroxyurea suppresses HCV replication in humans: a Phase I trial of oral hydroxyurea in chronic hepatitis C patientsAkito Nozaki
Gastroenterological Center, Yokohama City University Medical Center, Yokohama, Japan
Antivir Ther 15:1179-83. 2010..By using a recently developed genome-length HCV RNA replication reporter assay system, we found that hydroxyurea (HU), an inhibitor of DNA synthesis, inhibited HCV RNA replication...
Inhibition of NF-kappaB in cancer cells converts inflammation- induced tumor growth mediated by TNFalpha to TRAIL-mediated tumor regressionJun-Li Luo
Laboratory of Gene Regulation and Signal Transduction, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
Cancer Cell 6:297-305. 2004..The latter response is TNFalpha-independent, but depends on another member of the TNF superfamily, TRAIL, whose receptor is induced in NF-kappaB-deficient cancer cells...
Hepatocyte necrosis induced by oxidative stress and IL-1 alpha release mediate carcinogen-induced compensatory proliferation and liver tumorigenesisToshiharu Sakurai
Laboratory of Gene Regulation and Signal Transduction, Department of Pharmacology, School of Medicine, University of California, San Diego, La Jolla, CA 92093, USA
Cancer Cell 14:156-65. 2008..IL-1 alpha release by necrotic hepatocytes is therefore an important mediator of liver tumorigenesis...
Loss of hepatic NF-kappa B activity enhances chemical hepatocarcinogenesis through sustained c-Jun N-terminal kinase 1 activationToshiharu Sakurai
Laboratory of Gene Regulation and Signal Transduction, School of Medicine, University of California at San Diego, 9500 Gilman Drive MC 0723, La Jolla, CA 92093 0723, USA
Proc Natl Acad Sci U S A 103:10544-51. 2006....
IKKbeta couples hepatocyte death to cytokine-driven compensatory proliferation that promotes chemical hepatocarcinogenesisShin Maeda
Laboratory of Gene Regulation and Signal Transduction, University of California, San Diego, 9500 Gilman Drive MC 0723, La Jolla, California 92093, USA
Cell 121:977-90. 2005..IKKbeta, therefore, orchestrates inflammatory crosstalk between hepatocytes and hematopoietic-derived cells that promotes chemical hepatocarcinogenesis...
Nod2 mutation in Crohn's disease potentiates NF-kappaB activity and IL-1beta processingShin Maeda
Laboratory of Gene Regulation and Signal Transduction, Department of Pharmacology, School of Medicine, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093 0723, USA
Science 307:734-8. 2005..These effects are linked to increased susceptibility to bacterial-induced intestinal inflammation and identify NOD2 as a positive regulator of NF-kappaB activation and IL-1beta secretion...
Oncogene at last--c-Jun promotes liver cancer in miceShin Maeda
Laboratory of Gene Regulation and Signal Transduction, Department of Pharmacology, School of Medicine, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
Cancer Cell 3:102-4. 2003
IKKbeta is required for prevention of apoptosis mediated by cell-bound but not by circulating TNFalphaShin Maeda
Laboratory of Gene Regulation and Signal Transduction, University of California, San Diego, 9500 Gilman Drive, 92093, La Jolla, CA, USA
Immunity 19:725-37. 2003..Thus, the antiapoptotic function of IKKbeta, which is most critical in situations that involve cell-bound TNFalpha, is mediated partially through attenuation of JNK activity...
The protein kinase PKR is required for macrophage apoptosis after activation of Toll-like receptor 4Li Chung Hsu
Laboratory of Gene Regulation and Signal Transduction, Department of Pharmacology, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093 0636, USA
Nature 428:341-5. 2004..The pro-apoptotic actions of PKR are mediated both through inhibition of protein synthesis and activation of interferon response factor 3...
The human CYP1A1 gene is regulated in a developmental and tissue-specific fashion in transgenic miceAlema Galijatovic
Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla 92093, USA
J Biol Chem 279:23969-76. 2004..Combined these results indicate that tissue-specific and developmental factors are controlling aryl hydrocarbon receptor-mediated induction of human CYP1A1...
Anthrolysin O and other gram-positive cytolysins are toll-like receptor 4 agonistsJin Mo Park
Laboratory of Gene Regulation and Signal Transduction, Dept of Pharmacology, School of Medicine, University of California, San Diego, 9500 Gilman Dr, La Jolla, CA 92093, USA
J Exp Med 200:1647-55. 2004..We also provide genetic evidence that ALO is required for induction of macrophage apoptosis in response to infection with live B. anthracis and that other CDC family members share the ability to activate TLR4...
IKK-beta links inflammation to obesity-induced insulin resistanceMelek C Arkan
Laboratory of Gene Regulation and Signal Transduction, Department of Pharmacology, School of Medicine, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093, USA
Nat Med 11:191-8. 2005..We suggest that inhibition of IKK-beta, especially in myeloid cells, may be used to treat insulin resistance...
Gender disparity in liver cancer due to sex differences in MyD88-dependent IL-6 productionWillscott E Naugler
Laboratory of Gene Regulation and Signal Transduction, Department of Pharmacology and Cancer Center, University of California, San Diego, CA 93093, USA
Science 317:121-4. 2007..We propose that estrogen-mediated inhibition of IL-6 production by KCs reduces liver cancer risk in females, and these findings may be used to prevent HCC in males...
Reactive oxygen species promote TNFalpha-induced death and sustained JNK activation by inhibiting MAP kinase phosphatasesHideaki Kamata
Laboratory of Gene Regulation and Signal Transduction, School of Medicine, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
Cell 120:649-61. 2005..Antioxidant treatment also prevents TNFalpha-mediated fulminant liver failure without affecting liver regeneration...
I{kappa}B kinase (IKK){beta}, but not IKK{alpha}, is a critical mediator of osteoclast survival and is required for inflammation-induced bone lossMaria Grazia Ruocco
Laboratory of Gene Regulation and Signal Transduction, Department of Pharmacology, School of Medicine, University of California, San Diego, La Jolla, CA 92093, USA
J Exp Med 201:1677-87. 2005..IKKbeta also protects osteoclasts and their progenitors from tumor necrosis factor alpha-induced apoptosis, and its loss in hematopoietic cells prevents inflammation-induced bone loss...
The E3 ubiquitin ligase itch couples JNK activation to TNFalpha-induced cell death by inducing c-FLIP(L) turnoverLufen Chang
Division of Cancer Immunotherapeutics and Tumor Immunology, Beckman Research Institute at City of Hope, City of Hope National Medical Center, 1500 E Duarte Road, KCRB 3009, Duarte, CA 91010, USA
Cell 124:601-13. 2006..Thus, JNK antagonizes NF-kappaB during TNFalpha signaling by promoting the proteasomal elimination of c-FLIP(L)...
