Masanori Ito

Last Updated :2025/06/16

Affiliations, Positions
Hiroshima University Hospital, Professor

Basic Information

Major Professional Backgrounds

  • 2007/07/01, 2016/03/31, Hiroshima University, Hospital, Lecturer
  • 1994/04/01, 1996/05/31, Saiseikai Kure Hospital
  • 1996/06/01, 2000/05/31, Medical Corporation JR Hiroshima Hospital
  • 2000/06/01, 2002/09/30, Hiroshima University, Health Service Center, Research Associate
  • 2002/10/01, 2007/06/30, Hiroshima University Hospital, Research Associate
  • 2016/04/01, 2019/03/31, Hiroshima University, Institute of Biomedical & Health Sciences, Associate Professor
  • 2019/04/01, Hiroshima University, Graduate School of Biomedical & Health Sciences, Associate Professor
  • 2019/10/01, Hiroshima University, Graduate School of Biomedical & Health Sciences, Professor

Educational Backgrounds

  • Hiroshima University, Graduate School, Division of Medical Sciences, Japan, 1988/04, 1992/03
  • Hiroshima University, Faculty of Medicine, Japan, 1982/04, 1988/03

Academic Degrees

  • Doctor of Philosophy in Medical Science, Hiroshima University

Educational Activity

  • [Bachelor Degree Program] School of Medicine : Program of Medicine : Medicine
  • [Master's Program] Graduate School of Biomedical and Health Sciences : Division of Integrated Health Sciences
  • [Doctoral Program] Graduate School of Biomedical and Health Sciences : Division of Biomedical Sciences : Program of Medicine

In Charge of Primary Major Programs

  • Medicine

Research Fields

  • Medicine,dentistry, and pharmacy;Clinical internal medicine;Gastroenterology

Research Keywords

  • gastric cancer
  • gastritis

Educational Activity

Course in Charge

  1. 2025, Undergraduate Education, Second Semester, Human Relations
  2. 2025, Undergraduate Education, Intensive, Practice for medical research
  3. 2025, Undergraduate Education, Intensive, Practice of Medicine I
  4. 2025, Undergraduate Education, Intensive, Practice of Medicine II
  5. 2025, Liberal Arts Education Program1, 1Term, Introductory Seminar for First-Year Students
  6. 2025, Graduate Education (Master's Program) , First Semester, Research on Public Health (Health Service Administration)
  7. 2025, Graduate Education (Master's Program) , Second Semester, Research on Public Health (Health Service Administration)
  8. 2025, Graduate Education (Master's Program) , Second Semester, Lecture on Practice of General Medicine
  9. 2025, Graduate Education (Doctoral Program) , First Semester, Advanced Seminar on General Medicine
  10. 2025, Graduate Education (Doctoral Program) , Second Semester, Advanced Seminar on General Medicine
  11. 2025, Graduate Education (Doctoral Program) , First Semester, Advanced Research on General Medicine
  12. 2025, Graduate Education (Doctoral Program) , Second Semester, Advanced Research on General Medicine

Research Activities

Academic Papers

  1. Clinical characteristics of immunoglobulin IgG4-related sclerosing cholangitis: Comparison of cases with and without autoimmune pancreatitis in a large cohort, DIGESTIVE AND LIVER DISEASE, 53(10), 1308-1314, 202110
    Link to Paper Search Results by DOI
  2. Effect of the 2018 Japan floods and COVID-19 pandemic on cognitive decline among atomic bomb survivors in Hiroshima, Japan: a retrospective cohort study, AGING CLINICAL AND EXPERIMENTAL RESEARCH, 37(1), 20250516
    Link to Paper Search Results by DOI
  3. Evaluating antibiotic susceptibility trends in S. pneumoniae and H. influenzae isolates during the COVID-19 pandemic: An interrupted time series analysis of a nationwide antimicrobial resistance database, JOURNAL OF INFECTION AND PUBLIC HEALTH, 18(5), 202505
    Link to Paper Search Results by DOI
  4. Role of regular medical visits in mitigating increased suicide risk during the early COVID-19 pandemic in Kobe, Japan, BMC PRIMARY CARE, 26(1), 20250123
    Link to Paper Search Results by DOI
  5. In vitro to clinical efficacy: Neutralizing antibodies against severe acute respiratory syndrome coronavirus 2 strains, JOURNAL OF INFECTION AND CHEMOTHERAPY, 31(4), 202504
    Link to Paper Search Results by DOI
  6. Retrospective study on clinical value and optimal use of [18F] FDG PET/CT for inflammation of unknown origin in Japanese patients, SCIENTIFIC REPORTS, 14(1), 20241115
    Link to Paper Search Results by DOI
  7. Impact of home visiting nurses on home death proportion in Japan: A nationwide longitudinal ecological study, PUBLIC HEALTH NURSING, 41(6), 1369-1376, 202411
    Link to Paper Search Results by DOI
  8. Delayed onset septic pelvic thrombophlebitis treated by tissue-plasminogen activator following initial treatment for massive right ovarian vein thrombosis and methicillin-resistant Staphylococcus aureus bacteremia: A case report, JOURNAL OF OBSTETRICS AND GYNAECOLOGY RESEARCH, 50(8), 1408-1414, 202408
    Link to Paper Search Results by DOI
  9. Integrator complex subunit 6 promotes hepatocellular steatosis via 3-catenin-PPAR gamma axis, BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR AND CELL BIOLOGY OF LIPIDS, 1869(7), 202410
    Link to Paper Search Results by DOI
  10. Effects of the Coronavirus disease 2019 pandemic on mortality in patients with lung cancer: A multiple mediation analysis in Japan, INTERNATIONAL JOURNAL OF CANCER, 155(8), 1422-1431, 20241015
    Link to Paper Search Results by DOI
  11. Multicenter study of invasive gastric cancer detected after 10 years of Helicobacter pylori eradication in Japan: Clinical, endoscopic, and histopathologic characteristics, DEN OPEN, 4(1), 202404
    Link to Paper Search Results by DOI
  12. Assessing the Influence of the COVID-19 Pandemic on Gastric Cancer Mortality Risk, JOURNAL OF CLINICAL MEDICINE, 13(3), 202402
    Link to Paper Search Results by DOI
  13. Gender difference of geographic distribution of physicians in Japan: three-point analysis of 1994, 2004 and 2014, BMC HEALTH SERVICES RESEARCH, 23(1), 20231213
    Link to Paper Search Results by DOI
  14. No significant association between non-Helicobacter pylori Helicobacter infection with gastritis-related indices and gastric cancer, AMERICAN JOURNAL OF THE MEDICAL SCIENCES, 366(6), 421-429, 202312
    Link to Paper Search Results by DOI
  15. In vitro anti-severe acute respiratory syndrome coronavirus 2 effect of Ephedra przewalskii Stapf extract, JOURNAL OF ETHNOPHARMACOLOGY, 319, 20240130
    Link to Paper Search Results by DOI
  16. The impact of early-stage COVID-19 pandemic on the diagnosis and treatment of gastric cancer: A cross-sectional study using a large-scale cancer registry in Hiroshima, Japan, DEN OPEN, 3(1), 202304
    Link to Paper Search Results by DOI
  17. Clinical characteristics and long-term prognosis of type 1 gastric neuroendocrine tumors in a large Japanese national cohort, DIGESTIVE ENDOSCOPY, 35(6), 757-766, 202309
    Link to Paper Search Results by DOI
  18. Increased care-need in older long-term care insurance users after the 2018 Japan Floods: a retrospective cohort study based on the Japanese long-term care insurance claims, ENVIRONMENTAL HEALTH AND PREVENTIVE MEDICINE, 28, 2023
    Link to Paper Search Results by DOI
  19. Diagnostic performance of the normal range of gastrin calculated using strict criteria based on a combination of serum markers and pathological evaluation for detecting gastritis: a retrospective study, BMC GASTROENTEROLOGY, 23(1), 20230520
    Link to Paper Search Results by DOI
  20. Identification of Helicobacter pylori-related gastric cancer risk using serological gastritis markers and endoscopic findings: a large-scale retrospective cohort study., BMC Gastroenterol, 22(1), 299-299, 202206
  21. Case of traumatic pulmonary pseudocysts coinciding with vertebral fracture., Clin Case Rep, 10(3), 202203
  22. Pachydermoperiostosis, QJM, 115(9), 611-612, 2022
  23. The impact of early-stage COVID-19 pandemic on the diagnosis and treatment of gastric cancer: A cross-sectional study using a large-scale cancer registry in Hiroshima, Japan., DEN Open, 3(1), 2022
  24. Impact of the early phase of COVID-19 on the trends of isolated bacteria in the national database of Japan: an interrupted time-series analysis, JOURNAL OF INFECTION, 86(2), 147-153, 2023
    Link to Paper Search Results by DOI
  25. Effect of COVID-19 inpatients with cognitive decline on discharge after the quarantine period: A retrospective cohort study, JOURNAL OF GENERAL AND FAMILY MEDICINE, 24(1), 9-15, 2022
    Link to Paper Search Results by DOI
  26. Effect of COVID-19 inpatients with cognitive decline on discharge after the quarantine period: A retrospective cohort study, JOURNAL OF GENERAL AND FAMILY MEDICINE, 24(1), 9-15, 202301
    Link to Paper Search Results by DOI
  27. Neutralizing Type I Interferon Autoantibodies in Japanese Patients with Severe COVID-19, JOURNAL OF CLINICAL IMMUNOLOGY, 42(7), 1360-1370, 202210
    Link to Paper Search Results by DOI
  28. Bacterial susceptibility changes post national shortage of first cephalosporin in Japan: a longitudinal retrospective database study using interrupted time series analysis, JOURNAL OF GLOBAL ANTIMICROBIAL RESISTANCE, 30, 348-353, 202209
    Link to Paper Search Results by DOI
  29. Clinical utility of computed tomography-based evaluation of trunk muscles in primary sclerosing cholangitis, JAPANESE JOURNAL OF RADIOLOGY, 40(10), 1053-1060, 202210
    Link to Paper Search Results by DOI
  30. Depletion of hepatic stellate cells inhibits hepatic steatosis in mice, JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, 37(10), 1946-1954, 202210
    Link to Paper Search Results by DOI
  31. A Case of Bazex Syndrome, Intern Med, 61(3), 443-444, 2021
  32. Clinical and epidemiological features of healthcare workers after a coronavirus disease 2019 cluster infection in Japan and the effects of Kampo formulas-Hochuekkito and Kakkonto: A retrospective cohort study, MEDICINE, 101(28), 20220715
    Link to Paper Search Results by DOI
  33. ★, Prevalence of Helicobacter pylori infection in the general population evaluated by a resident-register-based epidemiological study, JOURNAL OF GASTROENTEROLOGY, 57(8), 540-546, 202208
    Link to Paper Search Results by DOI
  34. Evidence-based clinical practice guidelines for peptic ulcer disease 2020, J Gastroenterol, 56(4), 303-322, 2021
  35. Duration of infectious viral shedding in patients with mild to moderate COVID-19 treated with REGN-CoV2?, JOURNAL OF INFECTION AND CHEMOTHERAPY, 28(7), 912-917, 202207
    Link to Paper Search Results by DOI
  36. Case of non-secretory multiple myeloma eventually diagnosed by F-18-FDG PET/CT, CLINICAL CASE REPORTS, 10(6), 202206
    Link to Paper Search Results by DOI
  37. In vitro Suppression of SARS-CoV-2 Infection by Existing Kampo Formulas and Crude Constituent Drugs Used for Treatment of Common Cold Respiratory Symptoms, FRONTIERS IN PHARMACOLOGY, 13, 20220329
    Link to Paper Search Results by DOI
  38. Alcohol abuse as a potential risk factor of solitary death among people living alone: a cross-sectional study in Kyoto, Japan, BMC PUBLIC HEALTH, 22(1), 545-545, 20220319
    Link to Paper Search Results by DOI
  39. Serum Gastrin and Pepsinogen Levels after Administration of Acid Secretion Inhibitors for Ulcers due to Endoscopic Submucosal Dissection in Patients with Early Gastric Cancer, GASTROENTEROLOGY RESEARCH AND PRACTICE, 20220128
    Link to Paper Search Results by DOI
  40. Helicobacter pylori dupA and gastric acid secretion are negatively associated with gastric cancer development, JOURNAL OF MEDICAL MICROBIOLOGY, 59(12), 1484-1489, 201012
    Link to Paper Search Results by DOI
  41. Low Prevalence of Helicobacter pylori-negative Gastric Cancer among Japanese, HELICOBACTER, 16(6), 415-419, 201112
    Link to Paper Search Results by DOI
  42. Evaluation of Individual Risk in Nonvariceal Gastrointestinal Bleeding Patients with NSAID Administration: A Multicenter Study in Japan, DIGESTION, 86(3), 187-193, 2012
    Link to Paper Search Results by DOI
  43. Gastric Cancer Development after Helicobacter pylori Eradication Therapy: A New Form of Gastric Neoplasia, DIGESTION, 85(1), 61-67, 2012
    Link to Paper Search Results by DOI
  44. Serum screening for detection of high-risk group for early-stage diffuse type gastric cancer in Japanese, JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, 27(3), 598-602, 201203
    Link to Paper Search Results by DOI
  45. Efficacy of adding sodium alginate to omeprazole in patients with nonerosive reflux disease: a randomized clinical trial, DISEASES OF THE ESOPHAGUS, 25(5), 373-380, 201207
    Link to Paper Search Results by DOI
  46. High Expression of Gastrin Receptor Protein in Injured Mucosa of Helicobacter pylori-Positive Gastritis, DIGESTIVE DISEASES AND SCIENCES, 58(3), 634-640, 201303
    Link to Paper Search Results by DOI
  47. The effect of Helicobacter pylori eradication therapy on gastric ulcer healing after endoscopic mucosal resection, J Clin Gastroenterol, 40(4), 293-296, 20060401
  48. Expression of cell cycle regulators and growth factor/receptor systems in gastric carcinoma in young adults: Association with Helicobacter pylori infection, Int. J. Molecular Med., 5: 185-190, 20000101
  49. Changing pattern of gastric cancer in Japan, 2nd International Gastric Cancer Congress= Munich, 19970612
  50. Helicobacter pylori eradication therapy for high-grade mucosa-associated lymphoid tissue lymphomas of the stomach with nalysis of p53 and K-ras alteration and microsatellite instability, Int J Oncol, 18, 1207-1212, 20010401
  51. Microsatellite instability at D18S61 is associated with no regression of gastric mucosa-associated lymphoid tissue lymphoma after Helicobacter pylori eradication, Oncol.Rep., 8, 293-297, 20010401
  52. Reduction in the incidence of Helicobacter pylori-associated carcinoma in Japanese young adalts, Oncol.Rep., 8, 633-636, 20010401
  53. Effect of long-term half-dose famotidine therapy on corpus gastritis in peptic ulcer desease.;, Aliment Pharmacol Ther, 21, 99-104, 20050101
  54. Corrrespondence, Dig Liver Dis, 37, 982, 20051201
  55. Surface structure of antral gastric mucosa represents the status of histologic gastritis: fundamental evidence for the evaluation of antral gastritis by magnifying endoscopy., J Gastroenterol Hepatol, 21, 837-841, 20060501
  56. Biomarkers in patients with gastic inflammation: a systematic review., Digestion, 72, 164-180, 20050401
  57. Causal role of Helicobacter pylori infection and eradication therapy in gastric carcinogenesis., World J Gastroenterol, 12(1), 10-16, 20060101
  58. Angiogenic switch occurs during the precancerous stage of human esophageal squamous cell carcinoma, Oncol Rep, 11, 315-319, 20040401
  59. Chromosomal and microsatellite instability in sporadic gastric cancer, J Gastroenterol Hepatol, 19, 756-760, 20040501
  60. Chronic gastritis with expression of inducible nitric oxide synthase is associated with high expression of interleukin-6 and hypergastrinaemia, Aliment Pharmacol Ther, 19, 1309-1314, 20040401
  61. Clinical features of gastric cancer discovered after successful eradication of Helicobacter pylori: results from a 9-year prospective follow-up study in Japan, Aliment Pharmacol Ther, 21, 1121-1126, 20050501
  62. Clinical significance of angiopoietin-2 expression at the deepest invasive tumor site of advanced colorectal carcinoma, Int J Oncol, 24, 539-547, 20040201
  63. Clinicopathologic and endoscopic features of colorectal serrated adenoma:differences between polypoid and superficial types, Gastrointest Endosc, 59(2), 213-219, 20040201
  64. Clinicopathologic features and endoscopic resection of early primary nonampullary duodenal carcinoma, J Clin Gastroenterol, 37(5), 381-386, 20040501
  65. Development of a novel method to detect Helicobacter pylori cagA genotype from paraffin-embedded materials: comparison between patients with duodenal ulcer and gastric cancer in young Japanese, Digestion, 73, 47-53, 20060401
  66. Effect of long-term half-dose famotidine therapy on corpus gastritis in peptic ulcer disease, Aliment Pharmacol Ther, 21, 99-104, 20050601
  67. Eradication of Helicobacter pylori increases the incidence of hyperlipidaemia and obesity in peptic ulcer patients, Dig Liver Dis, 37, 39-43, 20050101
  68. Frequent loss of heterozygosity on chromosome 10p14-p15 in esophageal dysplasia and squamous cell carcinoma, Oncol Rep, 12, 333-337, 20040401
  69. Helicobacter pylori infection is the major risk factor for gastric inflammation in the cardia, Dig Dis Sci, 51, 1582-1588, 20060901
  70. Loss of heterozygosity on chromosome 10p14-p15 in colorectal carcinoma, Pathobiology, 72, 220-224, 20050901
  71. Lymphatic vessel density at the site of deepest penetration as a predictor of lymph node metastasis in submucosal colorectal cancer, Dis Colon Rectum, 50(1), 13-21, 20060101
  72. Magnifying colonoscopic features of ulcerative colitis reflect histologic inflammation, Inflamm Bowel Dis, 10(6), 737-744, 20040601
  73. Magnifying gastroendoscopy for diagnosis of histologic gastritis in the gastric antrum, Dig Liver Dis, 36, 286-291, 20040401
  74. Meta-analysis of the effects of prokinetic agents in patients with functional dyspepsia, J Gastroenterol Hepatol, 22, 304-310, 20070301
  75. Morphological changes in human gastric tumours after eradication therapy of Helicobacter pylori in a short-term follow-up, Aliment Pharmacol Ther, 21, 559-566, 20050301
  76. Mucin phenotype and background mucosa of intramucosal differentiated-type adenocarcinoma of the stomach, Oncology, 66(8), 379-387, 20040401
  77. Relationship between histopathological features and type V pit pattern determined by magnifying videocolonoscopy in early colorectal carcinoma, Dig Endos, 17, 117-122, 20050401
  78. Immune response to cagA protein is associated with improved platelet count after Helicobacter pylori eradication in patients with idiopathic thrombocytopenic purpura, Helicobacter, 12, 36-42, 20070201
  79. Host factors contributing to the discovery of gastric cancer after successful eradication therapy of Helicobacter pylori:preliminary report, J Gastroenterol Hepatol, 22, 571-576, 20070401
  80. Efficacy of rabeprazole on heartburn symptom resolution in patients with non-erosive and erosive gastro-oesophageal reflux disease: a multicenter study from Japan, Aliment Pharmacol Ther, 26, 677-679, 20070701
  81. Helicobacter pylori-associated gastritisis related to babA2expression without heterogeneity of the 3' region of the cagA genotype in Gastric Biopsy Specimens, Pathobiology, 74(5), 1-7, 20070401
  82. Treatment of functional dyspepsia with serotonin agonists: A meta-analysis of randomized controlled trials, J Gastroenterol Hepatol, 22, 1566-1570, 20071001
  83. Reduction in gastric cancer mortality by screening based on serum pepsinogen concentration: A case-control study, Scand J Gastroenterol, 42, 760-764, 20070601
  84. Role of Helicobacter pylori infection and chronic inflammation in gastric cancer in the cardia, Jpn J Clin Oncol, 37, 365-369, 20071213
  85. Reg IV is a serum biomarker for gastric cancer patients and predicts response to 5-fluorouracil-based chemotherapy., Oncogene, 26(30), 4383-4393, 20070701
  86. Serum concentration of Reg IV in patients with colorectal cancer: Overexpression and high Reg IV serum level is associated with liver metastasis., Oncology, IN PRESS, 20071201
  87. Relation between histologic gastritis and gastric motility in Japanese patients with functional dyspepsia: evaluation by transabdominal ultrasonography, J Gastroenterol, 43, 332-227, 20081201
  88. Role of the gastrin-gastrin receptor system in the expansive growth of human gastric neoplasms, Digestion, 78, 163-170, 20081201
  89. Evaluation of gastric cancer risk using topography of histological gastritis: a large-scaled cross-sectional study, Dig Dis Sci, 58, 1818-1823, 20091001
  90. Presence of poorly differentiated component correlated with submucosal invasion in the early diffuse-type gastric cancer., Hepato-Gastroenterology, 55, 2264-2268, 20091001
  91. A case of gastric adenocarcinoma arising from a fundic gland polyp, Clin J Gastroenterol, 2, 279-283, 20091001
  92. Ecabet sodium induces neuronal nitric oxide synthase-derived nitric oxide synthesis and gastric adaptive relaxation in the human stomach, J Gastroenterol, 44, 1118-1124, 20091101
  93. Infliximab treatment for Crohn's disease in a patient with IgA nephropathy, Clin J Gastroenterol, 2, 380-383, 20091201
  94. Histological evaluation of patients with gastritis at high risk of developing gastric cancer using a conventional index., Pathol Res Pract., 207(6), 354-358, 20110601
  95. A Water-soluble extract from culture medium of ganoderma lucidum mycelia suppresses the development of colorectal adenoma, Hiroshima J Med Sci, 59(1), 1月6日, 20100101
  96. Cheilitis granulomatosa as an early manifestation of Crohn's disease, Clin J Gastroenterol, 2, 190-193, 20090501
  97. Pathogenetic role of the tyrosine-phosphorylated CagA EPIYA sequence of Helicobacter pylori in histological gastritis in Japanese patients, J Gastroenterol, 44(5), 405-411, 20090501
  98. Clinical prevention of gastric cancer by Helicobacter pylori eradication therapy: a systematic review, J Gastroenterol, 44(5), 365-371, 20090501
  99. Little necessity of acid inhibition against proton pump inhibitor rebound effects and prior Helicobacter pylori eradication therapy in gastric ulcer patients: a randomized prospective study, Hepatogastroenterology, 56(91-92), 624-628, 20090601
  100. Ecabet sodium induces neuronal nitric oxide synthase-derived nitric oxide synthesis and gastric adaptive relaxation in the human stomach, J Gastroenterol, 44(8), 1118-1124, 20090801
  101. Infliximab treatment for Crohn's disease in a patient with IgA nephropathy, Clin J Gastroenterol, 2, 380-383, 20091001
  102. Plaunotol induces a comparative increase of acidic mucin fraction in gastric juice, Hepatogastroenterology, 58(106), 663-668, 20110301
  103. Long-term rebamipide therapy improves Helicobacter pylori-associated chronic gastritis., Dig Dis Sci., 47(4), 862-867, 20020401
  104. p53 Codon 72 polymorphism in gastric cancer susceptibility in patients with Helicobacter pylori-associated chronic gastritis., Int J Cancer., 100(3), 304-308, 20020701
  105. Helicobacter pylori eradication therapy improves atrophic gastritis and intestinal metaplasia: a 5-year prospective study of patients with atrophic gastritis., Aliment Pharmacol Ther., 16(8), 1449-1456, 20020801
  106. Implication of anti-parietal cell antibody levels in gastrointestinal diseases, including gastric carcinogenesis., Dig Dis Sci., 47(5), 1080-1085, 20020501
  107. Role of anti-parietal cell antibody in Helicobacter pylori-associated atrophic gastritis: evaluation in a country of high prevalence of atrophic gastritis., Scand J Gastroenterol., 37(3), 287-293, 20020301
  108. Serological comparison of serum pepsinogen and anti-parietal cell antibody levels between Japanese and German patients., Eur J Gastroenterol Hepatol., 14(2), 123-127, 20020201
  109. Single administration of ecabet sodium diminishes the level of delta-13CO2 in urea breath test., J Gastroenterol., 37(8), 674-675, 20020801
  110. Microsatellite instability at D18S61 is associated with no regression of gastric mucosa-associated lymphoid tissue lymphoma after Helicobacter pylori eradication., Oncol Rep, 8(2), 293-7, 20010401
  111. c-myc gene mutation in gastric mucosa-associated lymphoid tissue (MALT) lymphoma and diffuse large B-cell lymphoma, Oncol Rep, 8(2), 289-92, 20010401
  112. Reduction in the incidence of Helicobacter pylori-associated carcinoma in Japanese young adults, Oncol Rep, 8(3), 633-6, 20010501
  113. Helicobacter pylori eradication therapy for high-grade mucosa-associated lymphoid tissue lymphomas of the stomach with analysis of p53 and K-ras alteration and microsatellite instability, Int J Oncol, 18(6), 1207-12, 20010601
  114. Helicobacter pylori infection is a major risk factor for gastric carcinoma in young patients, Scand J Gastroenterol, 35(3), 255-259, 20000301
  115. Enhanced expression of inducible Nitric Oxide Synthase and Nitrotyrosine in gastric mucosa of gastric cancer patients, Clin Cancer Res, 5(6), 1411-5., 19990601
  116. Reduced levels of transforming growth factor-beta type I receptor in human gastric carcinomas., Jpn J Cancer Res, 83(1), 86-92, 19920101
  117. New prognostic factors in human gastric carcinomas, 19(1), 26-33, 20010101
  118. monoclonal antibody capable of detecting new differentiation antigen of the stomach, Int J Cancer, 50(4), 523-7, 19920201
  119. Expression of several growth factors and their receptor genes in human colon carcinomas, Virchows Arch B Cell Pathol Incl Mol Pathol., 59(3), 173-178, 19900401
  120. Minute carcinoid arising in gastric tubular adenoma, Histopathology., 15(1), 96-99, 19890701
  121. Epidermal growth factor induces the expression of its receptor gene in human gastric carcinoma cell line TMK-1, Jpn J Cancer Res, 80(8), 743-746, 19890801
  122. Cytogenetical analysis of the human gastric carcinoma cell line TMK-1, Hiroshima J Med Sci, 38(3), 121-124, 19890901
  123. Reduced tumorigenicity and cell motility of a gastric-carcinoma cell-line by introduction of wild-type p53 gene., Int J Oncol, 3(2), 265-71, 19930801
  124. Papillary adenoma of the stomach. Pathologic and immunohistochemical study., Arch Pathol Lab Med., 113(９), 1030-4, 19890901
  125. Expression of several growth factors and their receptor genes in human colon carcinomas., Virchows Arch B Cell Pathol Incl Mol Pathol, 59(3), 173-8., 19900101
  126. Advanced method for evaluation of gastric cancer risk by serum markers: determination of true low-risk subjects for gastric neoplasm, Helicobacter, 19(1), 1-8, 20140201
  127. Reduction in the incidence of Helicobacter pylori-associated carcinoma in Japanese young adults, ONCOLOGY REPORTS, 8(3), 633-636, 2001
    Link to Paper Search Results by DOI
  128. Role of anti-parietal cell antibody in Helicobacter pylori-associated atrophic gastritis: Evaluation in a country of high prevalence of atrophic gastritis, SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY, 37(3), 287-293, 200203
    Link to Paper Search Results by DOI
  129. Serological comparison of serum pepsinogen and antiparietal cell antibody levels between Japanese and German patients, EUROPEAN JOURNAL OF GASTROENTEROLOGY & HEPATOLOGY, 14(2), 123-127, 200202
    Link to Paper Search Results by DOI
  130. Long-term rebamipide therapy improves Helicobacter pylori-associated chronic gastritis, DIGESTIVE DISEASES AND SCIENCES, 47(4), 862-867, 200204
    Link to Paper Search Results by DOI
  131. Implication of anti-parietal cell antibody levels in gastrointestinal diseases, including gastric carcinogenesis, DIGESTIVE DISEASES AND SCIENCES, 47(5), 1080-1085, 200205
    Link to Paper Search Results by DOI
  132. p53 codon 72 polymorphism in gastric cancer susceptibility in patients with Helicobacter pylori-associated chronic gastritis, INTERNATIONAL JOURNAL OF CANCER, 100(3), 304-308, 20020720
    Link to Paper Search Results by DOI
  133. Significance of an exaggerated meal-stimulated gastrin response in pathogenesis of Helicobacter pylori-negative duodenal ulcer, DIGESTIVE DISEASES AND SCIENCES, 48(4), 644-651, 200304
    Link to Paper Search Results by DOI
  134. Expression of hypoxia-inducible factor-l alpha is associated with tumor vascularization in human colorectal carcinoma, INTERNATIONAL JOURNAL OF CANCER, 105(2), 176-181, 20030610
    Link to Paper Search Results by DOI
  135. Isolated granulomatous gastritis successfully treated by Helicobacter pylori eradication: a possible association between granulomatous gastritis and Helicobacter pylori, JOURNAL OF GASTROENTEROLOGY, 38(4), 371-375, 200304
    Link to Paper Search Results by DOI
  136. Somatic mutation of mitochondrial DNA in Helicobacter pylori-associated chronic gastritis in patients with and without gastric cancer, INTERNATIONAL JOURNAL OF MOLECULAR MEDICINE, 12(2), 169-174, 200308
    Link to Paper Search Results by DOI
  137. Review article: clinical significance of mucosal-protective agents: acid, inflammation, carcinogenesis and rebamipide, ALIMENTARY PHARMACOLOGY & THERAPEUTICS, 18, 153-159, 200307
    Link to Paper Search Results by DOI
  138. Clinical significance of Fhit expression in development of colorectal carcinoma of various macroscopic types, INTERNATIONAL JOURNAL OF MOLECULAR MEDICINE, 12(4), 437-442, 200310
    Link to Paper Search Results by DOI
  139. Helicobacter pylori infection influences expression of genes related to angiogenesis and invasion in human gastric carcinoma cells, BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, 311(4), 809-814, 20031128
    Link to Paper Search Results by DOI
  140. Involvement of proinflammatory cytokines IL-1 beta and IL-6 in progression of human gastric carcinoma, ANTICANCER RESEARCH, 25(2A), 709-713, 2005
    Link to Paper Search Results by DOI
  141. Magnifying gastroendoscopy for diagnosis of histologic gastritis in the gastric antrum, DIGESTIVE AND LIVER DISEASE, 36(4), 286-291, 200404
    Link to Paper Search Results by DOI
  142. Chronic gastritis with expression of inducible nitric oxide synthase is associated with high expression of interleukin-6 and hypergastrinaemia, ALIMENTARY PHARMACOLOGY & THERAPEUTICS, 19(12), 1309-1314, 20040615
    Link to Paper Search Results by DOI
  143. A combination of the Helicobacter pylori stool antigen test and urea breath test is useful for clinical evaluation of eradication therapy: A multicenter study, JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, 20(8), 1241-1245, 200508
    Link to Paper Search Results by DOI
  144. Magnifying colonoscopic features of ulcerative colitis reflect histologic inflammation, INFLAMMATORY BOWEL DISEASES, 10(6), 737-744, 200411
    Link to Paper Search Results by DOI
  145. Eradication of Helicobacter pylori increases the incidence of hyperlipidaemia and obesity in peptic ulcer patients, DIGESTIVE AND LIVER DISEASE, 37(1), 39-43, 200501
    Link to Paper Search Results by DOI
  146. Morphological changes in human gastric tumours after eradication therapy of Helicobacter pylori in a short-term follow-up, ALIMENTARY PHARMACOLOGY & THERAPEUTICS, 21(5), 559-566, 20050301
    Link to Paper Search Results by DOI
  147. Clinical features of gastric cancer discovered after successful eradication of Helicobacter pylori: results from a 9-year prospective follow-up study in Japan, ALIMENTARY PHARMACOLOGY & THERAPEUTICS, 21(9), 1121-1126, 20050501
    Link to Paper Search Results by DOI
  148. Effect of long-term half-dose famotidine therapy on corpus gastritis in peptic ulcer disease, ALIMENTARY PHARMACOLOGY & THERAPEUTICS, 21, 99-104, 200506
    Link to Paper Search Results by DOI
  149. Cardiac glands hyperplastic polyp of the stomach, JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, 20(9), 1461-1463, 200509
    Link to Paper Search Results by DOI
  150. Biomarkers in patients with gastric inflammation: A systematic review, DIGESTION, 72(2-3), 164-180, 2005
    Link to Paper Search Results by DOI
  151. Evaluation of an ELISA for detection of anti-parietal cell antibody, HEPATO-GASTROENTEROLOGY, 53(67), 11-14, 2006
    Link to Paper Search Results by DOI
  152. The effect of Helicobacter pylori eradication therapy on gastric ulcer healing after endoscopic mucosal resection, JOURNAL OF CLINICAL GASTROENTEROLOGY, 40(4), 293-296, 200604
    Link to Paper Search Results by DOI
  153. Development of a novel method to detect Helicobacter pylori cagA genotype from paraffin-embedded materials: Comparison between patients with duodenal ulcer and gastric cancer in young Japanese, DIGESTION, 73(1), 47-53, 2006
    Link to Paper Search Results by DOI
  154. Surface structure of antral gastric mucosa represents the status of histologic gastritis: Fundamental evidence for the evaluation of antral gastritis by magnifying endoscopy, JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, 21(5), 837-841, 200605
    Link to Paper Search Results by DOI
  155. Anti-parietal cell antibody and serum pepsinogen assessment in screening for gastric carcinoma, DIGESTIVE AND LIVER DISEASE, 38(5), 303-307, 200605
    Link to Paper Search Results by DOI
  156. A case of Crohn's disease with hydronephrosis caused by ureteropelvic junction obstruction, EUROPEAN JOURNAL OF GASTROENTEROLOGY & HEPATOLOGY, 18(9), 1015-1018, 200609
    Link to Paper Search Results by DOI
  157. Helicobacter pylori infection is the major risk factor for gastric inflammation in the cardia, DIGESTIVE DISEASES AND SCIENCES, 51(9), 1582-1588, 200609
    Link to Paper Search Results by DOI
  158. Efficacy of rabeprazole on heartburn symptom resolution in patients with non-erosive and erosive gastro-oesophageal reflux disease: a multicenter study from Japan, ALIMENTARY PHARMACOLOGY & THERAPEUTICS, 26(1), 69-77, 20070701
    Link to Paper Search Results by DOI
  159. Serum pepsinogen levels in the Japanese population: Prospective study of 9 years of follow-up, HEPATO-GASTROENTEROLOGY, 54(78), 1887-1890, 200709
    Link to Paper Search Results by DOI
  160. Relation between histologic gastritis and gastric motility in Japanese patients with functional dyspepsia: evaluation by transabdominal ultrasonography, JOURNAL OF GASTROENTEROLOGY, 43(5), 332-337, 2008
    Link to Paper Search Results by DOI
  161. Evaluation of gastric cancer risk using topography of histological gastritis: A large-scaled cross-sectional study, DIGESTIVE DISEASES AND SCIENCES, 53(7), 1818-1823, 200807
    Link to Paper Search Results by DOI
  162. Role of the Gastrin-Gastrin Receptor System in the Expansive Growth of Human Gastric Neoplasms, DIGESTION, 78(2-3), 163-170, 2008
    Link to Paper Search Results by DOI
  163. Presence of Poorly Differentiated Component Correlated with Submucosal Invasion in the Early Diffuse-type Gastric Cancer, HEPATO-GASTROENTEROLOGY, 55(88), 2264-2268, 2008
    Link to Paper Search Results by DOI
  164. Relationship between Helicobacter pylori Tyrosine-Phosphorylated CagA-Related Markers and the Development of Diffuse-Type Gastric Cancers: A Case-Control Study, DIGESTION, 82(1), 10-17, 2010
    Link to Paper Search Results by DOI
  165. Plaunotol Induces a Comparative Increase of Acidic Mucin Fraction in Gastric Juice, HEPATO-GASTROENTEROLOGY, 58(106), 663-668, 2011
    Link to Paper Search Results by DOI
  166. Histological evaluation of patients with gastritis at high risk of developing gastric cancer using a conventional index, PATHOLOGY RESEARCH AND PRACTICE, 207(6), 354-358, 2011
    Link to Paper Search Results by DOI
  167. Helicobacter pylori cagA polymorphism and gastric inflammation: An international comparison between Japanese and Brazilian patients, SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY, 46(9), 1051-1056, 201109
    Link to Paper Search Results by DOI
  168. Bile Acid Promotes Intestinal Metaplasia and Gastric Carcinogenesis, CANCER EPIDEMIOLOGY BIOMARKERS & PREVENTION, 21(11), 2101-2107, 201211
    Link to Paper Search Results by DOI
  169. Predicting the efficacy of proton pump inhibitors in patients with non-erosive reflux disease before therapy using dual-channel 24-h esophageal pH monitoring, JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, 27(5), 899-906, 201205
    Link to Paper Search Results by DOI
  170. Histology of symptomatic gastroesophageal reflux disease: Is it predictive of response to proton pump inhibitors?, JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, 28(3), 479-487, 201303
    Link to Paper Search Results by DOI
  171. Changes in endoscopic findings of gastritis after cure of H.pylori infection: Multicenter prospective trial, DIGESTIVE ENDOSCOPY, 25(3), 264-273, 201305
    Link to Paper Search Results by DOI
  172. Relation between bile acid reflux into the stomach and the risk of atrophic gastritis and intestinal metaplasia: A multicenter study of 2283 cases, DIGESTIVE ENDOSCOPY, 25(5), 519-525, 201309
    Link to Paper Search Results by DOI
  173. Characteristics of Metachronous Gastric Tumors after Endoscopic Submucosal Dissection for Gastric Intraepithelial Neoplasms, GASTROENTEROLOGY RESEARCH AND PRACTICE, 2014
    Link to Paper Search Results by DOI
  174. Management and clinical outcomes of type I gastric carcinoid patients: Retrospective, multicenter study in Japan, DIGESTIVE ENDOSCOPY, 26(3), 377-384, 201405
    Link to Paper Search Results by DOI
  175. Characteristic Epithelium with Low-Grade Atypia Appears on the Surface of Gastric Cancer after Successful Helicobacter pylori Eradication Therapy, HELICOBACTER, 19(4), 289-295, 201408
    Link to Paper Search Results by DOI
  176. Advanced Method for Evaluation of Gastric Cancer Risk By Serum Markers: Determination of True Low-Risk Subjects for Gastric Neoplasm, HELICOBACTER, 19(1), 1-8, 201402
    Link to Paper Search Results by DOI
  177. Rebamipide Improves Chronic Inflammation in the Lesser Curvature of the Corpus after Helicobacter pylori Eradication: A Multicenter Study, BIOMED RESEARCH INTERNATIONAL, 2015
    Link to Paper Search Results by DOI
  178. Time Trends in Helicobacter pylori Infection and Atrophic Gastritis Over 40Years in Japan, HELICOBACTER, 20(3), 192-198, 201506
    Link to Paper Search Results by DOI
  179. Interobserver and intraobserver agreement for gastric mucosa atrophy, BMC GASTROENTEROLOGY, 15, 20150804
    Link to Paper Search Results by DOI
  180. Diagnosis of Helicobacter pylori-induced gastritis by serum pepsinogen levels, JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, 30(10), 1473-1477, 201510
    Link to Paper Search Results by DOI
  181. Time trends in Helicobacter pylori Infection and atrophic gastritis over 40 years in Japan, Helicobacter, 12193, 2015
  182. nterobserver and intraobserver agreement for gastric mucosa atrophy, BMC Gastroenterol, 15, 95, 2015
  183. Diagnosis of helicobacter pylori-induced gastritis by serum pepsinogen levels　, J Gastroenterol Hepatol, 30(10), 1473-1477, 2015
  184. ate of unintended Helicobacter pylori eradication in the Vietnamese, Helicobacter, 20(2), 156-157, 2015
  185. Rebamipide improves chronic inflammation in the lesser curvature of the corpus after Helicobacter pylori eradication: a multicenter study, Gut, 64(9), 1353-1367, 2015
  186. Helicobacter pylori陰性胃癌, 消化器の臨床, 18(2), 133-136, 2015
  187. 酸分泌抑制薬の歴史, 日本医事新報No4751, 4751, 20-23, 2015
  188. Endoscopic findings of the gastric mucosa during long-term use of proton pump inhibitor - a multicenter study, SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY, 52(8), 828-832, 2017
    Link to Paper Search Results by DOI
  189. Indications for Small-bowel Capsule Endoscopy in Patients with Chronic Abdominal Pain, INTERNAL MEDICINE, 56(12), 1453-1457, 2017
    Link to Paper Search Results by DOI
  190. Serological Evaluation of Gastric Cancer Risk Based on Pepsinogen and Helicobacter pylori Antibody: Relationship to Endoscopic Findings, DIGESTION, 95(4), 314-318, 2017
    Link to Paper Search Results by DOI
  191. Reduced human α-defensin 6 in noninflamed jejunal tissue of patients with crohn's disease, Inflamm Bowel Dis, 22(5), 1119-1128, 2016
  192. Characteristics of gastric cancer in negative test of serum anti-Helicobacter pylori antibody and pepsinogen test: a multicenter study, GASTRIC CANCER, 20(5), 764-771, 201709
    Link to Paper Search Results by DOI
  193. Clinical Significance of Reddish Depressed Lesions Observed in the Gastric Mucosa after Helicobacter pylori Eradication, DIGESTION, 98(1), 48-55, 2018
    Link to Paper Search Results by DOI
  194. Gastric Cancer with Submucosal Invasion after Successful Helicobacter pylori Eradication: A Propensity Score-Matched Analysis of Patients with Annual Patient Endoscopic Survey, DIGESTION, 99(1), 59-65, 2019
    Link to Paper Search Results by DOI
  195. Rectal Lymphoid Follicle Aphthous Lesions Frequently Progress to Ulcerative Colitis with Proximal Extension, INTERNAL MEDICINE, 58(5), 625-631, 2019
    Link to Paper Search Results by DOI
  196. Optimal Criteria and Diagnostic Ability of Serum Pepsinogen Values for Helicobacter pylori Infection, JOURNAL OF EPIDEMIOLOGY, 29(4), 147-154, 201904
    Link to Paper Search Results by DOI
  197. Genomic landscape of epithelium with low-grade atypia on gastric cancer after Helicobacter pylori eradiation therapy, JOURNAL OF GASTROENTEROLOGY, 54(10), 907-915, 201910
    Link to Paper Search Results by DOI
  198. Potential of Helicobacter pylori-uninfected signet ring cell carcinoma to invade the submucosal layer, JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, 34(11), 1955-1962, 201911
    Link to Paper Search Results by DOI
  199. Clinical Usefulness of Dual Red Imaging in Gastric Endoscopic Submucosal Dissection: A Pilot Study, Clin Endosc, 53(1), 54-59, 202001
    Link to Paper Search Results by DOI
  200. A case of primary malignant melanoma of the esophagus with a widely expanded surface area, CLINICAL JOURNAL OF GASTROENTEROLOGY, 12(5), 424-428, 201910
    Link to Paper Search Results by DOI
  201. Multicenter study of autoimmune gastritis in Japan: Clinical and endoscopic characteristics, Dig Endosc, 32(3), 364-372, 2020
    Link to Paper Search Results by DOI
  202. JAPANESE JOURNAL OF HOSPITAL GENERAL MEDICINE, JAPANESE JOURNAL OF HOSPITAL GENERAL MEDICINE, 16(2), 98-106, 2020
  203. Signet ring cell carcinoma in Helicobacter pylori uninfected mucosa, ENDOSCOPIA DIGESTIVA, 32(1), 83-87, 202001
  204. Characteristics and early diagnosis of gastric cancer discovered after Helicobacter pylori eradication, Gut and Liver, 15(3), 338-345, 2021
  205. The evaluation of esophageal motility using infusion manometry with a trans-nasal endoscope: A preliminary study, Intern Med, 59(7), 887-890, 2020
    Link to Paper Search Results by DOI
  206. Serum amyloid A is a better predictive biomarker of mucosal healing than C-reactive protein in ulcerative colitis in clinical remission, BMC Gastroenterol, 20(1), 85, 20200403
    Link to Paper Search Results by DOI
  207. Genomic characterization of non-invasive differentiated-type gastric cancer in the Japanese population, Cancers (Basel), 12(2), 510, 202002
    Link to Paper Search Results by DOI
  208. Periostin Antisense Oligonucleotide Prevents Hepatic Steatosis and Fibrosis in a Mouse Model of Non-Alcoholic Steatohepatitis, J Gastroenterol Hepatol, 35(12), 2140-2150, 20200504
  209. Two Patients with Paget-Schroetter Syndrome that were Successfully Diagnosed by Doppler Ultrasonography: Case studies with a Literature Review, Intern Med, 59(20), 2623-2627, 20200623
  210. Modifying effect of chronic atrophic gastritis on radiation risk for noncardia gastric cancer according to histological type, Radiat Res, 194(2), 180-187, 20200618
  211. Senescent hepatic stellate cells caused by deoxycholic acid modulates malignant behavior of hepatocellular carcinoma, J Cancer Res Clin Oncol, 146(12), 3255-3268, 2020
    Link to Paper Search Results by DOI
  212. Clinical and genomic characteristics of mucosal signet-ring cell carcinoma in Helicobacter pylori-uninfected stomach, BMC Gastroenterol, 20(1), 243, 20200729
    Link to Paper Search Results by DOI
  213. A case of Fusobacterium nucleatum infection causing thrombophlebitis of the cavernous sinus diagnosed by lung abscess sampling under video-assisted thoracic surgery, JHGM, 2(5), 120-126, 2020
  214. Granulocyte Colony-stimulating Factor-induced Aortitis with Lung Injury, Splenomegaly, and a Rash During Treatment for Recurrent Extraosseous Mucinous Chondrosarcoma, INTERNAL MEDICINE, 60(8), 1311-1315, 202104
    Link to Paper Search Results by DOI
  215. Risk of gastric cancer in the second decade of follow-up after Helicobacter pylori eradication, THE GI FOREFRONT, 16(2), 154-155, 2020
  216. Gastric epithelial neoplasm of fundic-gland mucosa lineage: proposal for a new classification in association with gastric adenocarcinoma of fundic-gland type, JOURNAL OF GASTROENTEROLOGY, 56(9), 814-828, 202109
    Link to Paper Search Results by DOI
  217. Immunological and Preventive Effects of Hochuekkito and Kakkonto Against Coronavirus Disease in Healthcare Workers: A Retrospective Observational Study, FRONTIERS IN PHARMACOLOGY, 18(12), 766402, 20211118
    Link to Paper Search Results by DOI
  218. Assessing the effects of Kampo medicine on human skin texture and microcirculation, ARTIFICIAL LIFE AND ROBOTICS, 27(1), 64-69, 202202
    Link to Paper Search Results by DOI

Publications such as books

  1. 2020, Helicobacter Vol.24 No.4~No.6, The clinical meaning of the "indefinite for atrophy" lesions within gastric mucosa biopsy specimens in a region with a high prevalence of gastric cancer, The clinical meaning of the "indefinite for atrophy" lesions within gastric mucosa biopsy specimens in a region with a high prevalence of gastric cancer, WILEY, 2020, 10, Scholarly Book, Single work, Masanori Ito, 43, 31-34
  2. 2018, Gastric Cancer, Serum Markers, Springet, 2018, Scholarly Book, Joint work, 978-981-13-1120-8
  3. 2015, 5 Demonstration of the usefulness of epigenetic cancer risk prediction by a multicentre prospective cohort study, 5 Demonstration of the usefulness of epigenetic cancer risk prediction by a multicentre prospective cohort study, 2015, Scholarly Book, Single work
  4. 2015, Rate of unintended Helicobacter pylori eradication in the Vietnamese, Rate of unintended Helicobacter pylori eradication in the Vietnamese, Rate of unintended Helicobacter pylori eradication in the Vietnamese, Rate of unintended Helicobacter pylori eradication in the Vietnamese, 2015, Scholarly Book, Joint work, Hiyama T, Quach DT, Le QD, Ho LX, Vu NH, Shimamoto F, Ito M, Tanaka S, Yoshihara M, Uemura N, Chayama K.
  5. 2015, Time trends in Helicobacter pylori Infection and atrophic gastritis over 40 years in Japan, Time trends in Helicobacter pylori Infection and atrophic gastritis over 40 years in Japan, Time trends in Helicobacter pylori Infection and atrophic gastritis over 40 years in Japan, Helicobacter, 2015, Scholarly Book, Joint work, Kamada T, Haruma K, Ito M, Inoue K, Manabe N, Matsumoto H, Kusunoki H, Hata J, Yoshihara M, Sumii K, Akiyama T, Tanaka S, Shiotani A, David Y. Graham.
  6. 2006/04, Molecular pathologic application as a predictor of lymph node metastasis in submucosal colorectal carcinoma:implication of immunohistochemical alterations at the deepest invasive margin , 2006, 04, Scholarly Book, Joint work, 171

Invited Lecture, Oral Presentation, Poster Presentation

  1. New Challenges in Japanese Medical Care and Expectations for International Exchange., Masanori Ito, 2024/10/26, With Invitation, English
  2. Depletion of hepatic stellate cells reduces hepatic steatosis, Kawahara A, Kawahara A, Kanno K, Uwada Y, Yonezawa S, Ito M, AGA 2022 online, 2022, With Invitation, English
  3. Clinical characteristics and long-term prognosis of gastric neuroendocrine tumors with autoimmune gastritis: retrospective, multicenter study in Japan, Kamada T, Fujisaki J, Sato Y, Chiba T, Kaizaki Y, Ishido K, Ihara Y, Kurihara K, Sugga T, Suzuki H, Ito M, Hirakawa K, Maruyama Y, Gotoda G, Yao T, Haruma K, DDW, 2021/03, Without Invitation, English, DDW, Chicago, USA
  4. Study on endoscopic non-curative resection of early gastric cancer discovered after eradication, Kotachi T, Boda T, Tanaka S, Yorita N, Kiso M, Ninomiya Y, Madina Abuduwaili, Nagasaki N, Oka S, Hiyama T, Ito M, Yoshihara M, Chayama K, The 93rd Annual Meeting of the Japanese Gastric Cancer Association, 2021/03/03, Without Invitation, Japanese, Japanese Gastric Cancer Association, Osaka International Convention Center, Osaka, Japan
  5. Senescent hepatic stellate cells caused by deoxycholic acid modulates malignant behavior of hepatocellular carcinoma., Nguyen PT, Kanno K, Pham QT, Kobayashi T, Miyauchi M, Arihiro K, Tazuma S, Ito M, The 43rd Annual Meeting of the Molecular Biology Society of Japan, 2020/12, Without Invitation, English, The Molecular Biology Society of Japan, Kyoto
  6. Contributions of hepatic stelatte cells into hepatocellular carcinoma, Nguyen PT, Tazuma S, Otani Y, Ito M, The 79th Annual meeting of the Japanese Caner Association, 2020/10/01, Without Invitation, English, the Japanese Cancer Association, Hiroshima, Japan
  7. A study on the use of Long-lasting Insecticidal Nets (LLINs) for Malaria prevention among Indonesian 5-years-old population, Gunara RA, Widawati M, Miyamori D, Kanno K, Ito M, ICPS2020, 2020/10, Without Invitation, English, ICPS, Surabaya, Indonesia
  8. Re-Differentiation of gastric carcinoma after successful Hericobacter Pylori eradication therapy, Urabe Y, Ito M, Tanaka S, Nakamura K, Masuda K, Kotachi T, Boda T, Ono A, Oka S, Hayes CN, Chayama K.Urabe Y, 27th United European Gastroenterology Week (UEGW) 2019, 2019/10/19, Without Invitation, Japanese, Barcelona, Spain
  9. Preceding endoscopic submucosal dissection does not affect for the prognosis of patients with gastric carcinoma with submucosal deep invasion after additional surgery:A propensity score-matched analysis, Kuroki K, Oka S, Tanaka S, Yorita N, Hata K, Kotachi T, Ninomiya Y, Boda T, Ito M, Arihiro K, Chayama K, 27th United European Gastroenterology Week (UEGW) 2019, 2019/10/19, Without Invitation, Japanese, Barcelona, Spain
  10. Long-term effects of Helicobacter pylori eradication in the Asia-Pacific region: Other benefits or concerns? Gastric cancer after H. pylori eradication therapy in Japan, Ito Masanori, The 3rd Joint Session between TDDW - JDDW - KDDW, 2019/09/28, With Invitation, English, The 3rd Joint Session between TDDW - JDDW - KDDW
  11. Re-differentiation of gastric carcinoma after successful Herlicobacter eradication therapy, Urabe Y, Masuda K, Ito M, Ono A, Hayes CN, Nakamura K, Kotachi T, Boda T, Tanaka S, Chayama K, GI Research Academy 2019, 2019/06/28, Without Invitation, Japanese
  12. Autoimmune gastritis in Japan: a study of 200 patients at multicenter study, Terao S, Furuta T, Kamada T, Maruyama Y, Syunto J, Aoki R, Ito M, Manabe N, Sato Y, Oho K, Inoue K, Shiotani A, Haruma K., Terao S, Furuta T, Kamada T, Maruyama Y, Syunto J, Aoki R, Ito M, Manabe N, Sato Y, Oho K, Inoue K, Shiotani A, Haruma K., American Society for Gastrointestinal Endoscopy (ASGE) 2017 (DDW), 2017/05/06, Without Invitation, English, American Society for Gastrointestinal Endoscopy
  13. Evaluation of gastric cancer risk by serum markers, Ito M, Yoshihara M, Tanaka S, Chayama K., Ito M, Yoshihara M, Tanaka S, Chayama K., The 22nd annual meeting of the Japanese Society for Helicobacter Research, 2016/06/24, Without Invitation, English, the Japanese Society for Helicobacter Research
  14. Choline deficiency influences murine colitis via balance of colonic type Ⅰ and Ⅱ NKT cells, Sagami S, Tanaka S, Ueno Y, Fujita A, Nomura M, Nishiyama S, Hayashi R, Urabe Y, Oka S, Ito M, Kitadai Y, Chayama K., Sagami S, Tanaka S, Ueno Y, Fujita A, Nomura M, Nishiyama S, Hayashi R, Urabe Y, Oka S, Ito M, Kitadai Y, Chayama K., American Society for Gastrointestinal Endoscopy (ASGE) 2016 (DDW), 2016/05/21, Without Invitation, English, American Society for Gastrointestinal Endoscopy
  15. Colonic Manifestations of Chronic Granulomatous Disease, Sagami S, Tanaka S, Ueno Y, Nagai K, Fujita A, Nishiyama S, Hayashi R, Oka S, Ito M, Kitadai Y, Miki M, Doi T, Mizoguchi Y, Kobayashi M, Chayama K., Sagami S, Tanaka S, Ueno Y, Nagai K, Fujita A, Nishiyama S, Hayashi R, Oka S, Ito M, Kitadai Y, Miki M, Doi T, Mizoguchi Y, Kobayashi M, Chayama K., American Society for Gastrointestinal Endoscopy (ASGE) 2016 (DDW), 2016/05/21, Without Invitation, English, American Society for Gastrointestinal Endoscopy
  16. Present state of malpractice litigations pertaining to gastroenterological practice in Japan, Hiyama T, Oka S, Ueno Y, Ito M, Kitadai Y, Tanaka S, Yoshihara M, Chayama K, Hiyama T, Oka S, Ueno Y, Ito M, Kitadai Y, Tanaka S, Yoshihara M, Chayama K, Asian Pacific Digestive Week (APDW) 2015, 2015/12/03, Without Invitation, English
  17. Methionine-choline deficient diet relieves dextran sodium sulfate-induced colitis via maintenance of non type Ⅰ NKT cells, Sagami S, Ueno Y, Tanaka S, Nishiyama S, Hayashi R, Nagai K, Oka S, Hiyama T, Ito M, Kitadai Y, Yoshihara M, Chayama K., Sagami S, Ueno Y, Tanaka S, Nishiyama S, Hayashi R, Nagai K, Oka S, Hiyama T, Ito M, Kitadai Y, Yoshihara M, Chayama K., 2015/07/14, Without Invitation, English
  18. The potential role of polysaccharides derived from Ganoderma lucidum fungus mycelia (designated as MAK) on ameliorating indomethacin-induced small intestinal injuries through GM-CSF, Nagai K, Ueno Y, Tanaka S, Sagami S, Nishiyama S, Hayashi R, Shinagawa K, Oka S, Hiyama T, Ito M, Kitadai Y, Yoshihara M, Chayama K, Nagai K, Ueno Y, Tanaka S, Sagami S, Nishiyama S, Hayashi R, Shinagawa K, Oka S, Hiyama T, Ito M, Kitadai Y, Yoshihara M, Chayama K, The 17th International Cogress of Mucosal Immunology (ICMI2015), 2015/07/14, Without Invitation, English
  19. Delayed-release oral mesalazine and probiotics in maintaining of ulcerative colitis-a retrospective cohort study, Sagami S, Ueno Y, Tanaka S, Hayashi R, Nishiyama S, Nagai K, Oka S, Hiyama T, Ito M, Kitadai Y, Yoshihara M, Chayama K, Sagami S, Ueno Y, Tanaka S, Hayashi R, Nishiyama S, Nagai K, Oka S, Hiyama T, Ito M, Kitadai Y, Yoshihara M, Chayama K, The 3rd Annual Meeting of Asian Organization for Crohn's & Colitis (AOCC) 2015, 2015/06/18, Without Invitation, English
  20. he potential role of polysaccharides derived from Ganoderma lucidum fungus mycelia (designated as MAK) on ameliorating indomethacin-induced small intestinal injuries through GM-CSF, Nagai K, Ueno Y, Tanaka S, Sagami S, Nishiyama S, Shinagawa K, Oka S, Yoshida S, Hiyama T, Ito M, Kitadai Y, Yoshihara M, Chayama K, Nagai K, Ueno Y, Tanaka S, Sagami S, Nishiyama S, Shinagawa K, Oka S, Yoshida S, Hiyama T, Ito M, Kitadai Y, Yoshihara M, Chayama K, American Society for Gastrointestinal Endoscopy (ASGE) 2015, 2015/05/16, Without Invitation, English

External Funds

Acceptance Results of Competitive Funds

  1. Practical Research for Innovative Cancer Control, 2015/04/01, 2016/03/31
  2. KAKENHI, Identification of high-risk group for undifferentiated-type gastric cancer and its clinical application for eradication therapy, 2010, 2012
    Permalink
  3. 2006, 2007
  4. KAKENHI, 2016, 2018
  5. Practical Research for Innovative Cancer Control , 2016/04/01, 2017/03/31
  6. Practical Research for Innovative Cancer Control , 2017/04/01, 2018/03/31
  7. 2017, 2017
  8. Practical Research for Innovative Cancer Control , 2018/04/01, 2019/03/31
  9. Practical Research for Innovative Cancer Control , 2019/04/01, 2020/03/31

Social Activities

Other Social Contributions

  1. Scientific Exchange Meeting 2015 in Hiroshima, Certification of PPI safety, Scientific Exchange Meeting 2015 in Hiroshima, Scientific Exchange Meeting 2015 in Hiroshima, 2015/02/26, 2015/02/26, Lecturer, Lecture, General
  2. Scientific Exchange Meeting 2015 in Nagoya/Hiroshima, Kyoto classification of gastritis, Scientific Exchange Meeting 2015 in Nagoya/Hiroshima, Scientific Exchange Meeting 2015 in Nagoya/Hiroshima, 2015/11/05, 2015/11/05, Lecturer, Lecture, Researchesrs

History as Peer Reviews of Academic Papers

  1. 2007, Journal of gastroenterology, Editor
  2. 2008, Journal of gastroenterology, Editor
  3. 2009, Journal of gastroenterology, Editor
  4. 2010, Journal of gastroenterology, Editor
  5. 2011, Journal of gastroenterology, Editor
  6. 2012, Journal of gastroenterology, Editor