Taiji Akamatsu

Summary

Affiliation: Shinshu University
Country: Japan

Publications

  1. ncbi Comparison of localized gastric mucosa-associated lymphoid tissue (MALT) lymphoma with and without Helicobacter pylori infection
    Taiji Akamatsu
    Department of Endoscopy, Shinshu University Hospital, Matsumoto, Japan
    Helicobacter 11:86-95. 2006
  2. ncbi Possible relationship between Helicobacter pylori infection and cap polyposis of the colon
    Taiji Akamatsu
    Department of Endoscopy, Shinshu University Hospital, Shinshu University School of Medicine, Matsumoto, Japan
    Helicobacter 9:651-6. 2004
  3. doi Pathophysiological investigation of the gastric surface mucous gel layer of patients with Helicobacter pylori infection by using immunoassays for trefoil factor family 2 and gastric gland mucous cell-type mucin in gastric juice
    Seiko Kubota
    Department of Laboratory Medicine, Shinshu University Hospital, 3 1 1 Asahi, Matsumoto, Nagano 390 8621, Japan
    Dig Dis Sci 56:3498-506. 2011
  4. doi Chronic gastritis in the setting of autoimmune pancreatitis
    Takeshi Uehara
    Department of Laboratory Medicine, Shinshu University School of Medicine, Matsumoto, Japan
    Am J Surg Pathol 34:1241-9. 2010
  5. ncbi Helicobacter heilmannii infection: clinical, endoscopic and histopathological features in Japanese patients
    Yoko Okiyama
    Second Department of Internal Medicine, Shinshu University School of Medicine, Shinshu University, Nagano, Japan
    Pathol Int 55:398-404. 2005
  6. ncbi Altered expression of CDX-2, PDX-1 and mucin core proteins in "Ulcer-associated cell lineage (UACL)" in Crohn's disease
    Yasunori Kaneko
    Department of Medicine, Gastroenterology, Shinshu University Graduate School of Medicine, 3 1 1 Asahi, Matsumoto, 390 8621, Japan
    J Mol Histol 39:161-8. 2008
  7. ncbi Primary gastric diffuse large B-cell lymphoma with orbital involvement: diagnostic usefulness of 18F-fluorodeoxyglucose positron emission tomography
    Yugo Iwaya
    Department of Gastroenterology, Shinshu University School of Medicine, Japan
    Intern Med 50:1953-6. 2011
  8. ncbi Histochemical, ultrastructural, and three-dimensional observation of smooth muscle cells in human gastric mucosa
    Kenichi Arai
    Department of Laboratory Medicine, Shinshu University School of Medicine, 3 1 1 Asahi, Matsumoto, Japan
    Histochem Cell Biol 121:229-37. 2004
  9. ncbi [Crucial roles of Helicobacter pylori infection in the pathogenesis of gastric cancer and gastric mucosa-associated lymphoid tissue (MALT) lymphoma]
    Hiroyoshi Ota
    Department of Biomedical Laboratory Sciences, School of Health Sciences, Shinshu University School of Medicine, Matsumoto 390 8621, Japan
    Rinsho Byori 57:861-9. 2009
  10. doi Usefulness of double balloon enteroscopy and video capsule endoscopy for the diagnosis and management of primary follicular lymphoma of the gastrointestinal tract in its early stages
    Taiji Akamatsu
    Department of Endoscopy, Shinshu University Hospital, Matsumoto, Japan
    Dig Endosc 22:33-8. 2010

Collaborators

Detail Information

Publications26

  1. ncbi Comparison of localized gastric mucosa-associated lymphoid tissue (MALT) lymphoma with and without Helicobacter pylori infection
    Taiji Akamatsu
    Department of Endoscopy, Shinshu University Hospital, Matsumoto, Japan
    Helicobacter 11:86-95. 2006
    ..The clinical features and clinical course of Helicobacter pylori-negative gastric mucosa-associated lymphoid tissue (MALT) lymphoma are unclear and a treatment strategy has not yet been established...
  2. ncbi Possible relationship between Helicobacter pylori infection and cap polyposis of the colon
    Taiji Akamatsu
    Department of Endoscopy, Shinshu University Hospital, Shinshu University School of Medicine, Matsumoto, Japan
    Helicobacter 9:651-6. 2004
    ..The etiology of this disease is still unknown, and no specific treatment has been established...
  3. doi Pathophysiological investigation of the gastric surface mucous gel layer of patients with Helicobacter pylori infection by using immunoassays for trefoil factor family 2 and gastric gland mucous cell-type mucin in gastric juice
    Seiko Kubota
    Department of Laboratory Medicine, Shinshu University Hospital, 3 1 1 Asahi, Matsumoto, Nagano 390 8621, Japan
    Dig Dis Sci 56:3498-506. 2011
    ..Recently, we presented an enzyme-linked immunosorbent assay (ELISA) method for measurement of GMC-type mucin in the gastric juice...
  4. doi Chronic gastritis in the setting of autoimmune pancreatitis
    Takeshi Uehara
    Department of Laboratory Medicine, Shinshu University School of Medicine, Matsumoto, Japan
    Am J Surg Pathol 34:1241-9. 2010
    ..In conclusion, diffuse lymphoplasmacytic infiltration in the lamina propria and increased IgG4/IgG ratio in the gastric mucosa (notably in the lower lamina propria) may be the characteristic findings of AIP-G...
  5. ncbi Helicobacter heilmannii infection: clinical, endoscopic and histopathological features in Japanese patients
    Yoko Okiyama
    Second Department of Internal Medicine, Shinshu University School of Medicine, Shinshu University, Nagano, Japan
    Pathol Int 55:398-404. 2005
    ..Eradication of H. heilmannii resulted in remission of MALT lymphoma. Helicobacter heilmannii infection is therefore uncommon in Japanese adults, but is associated with chronic gastritis and gastric MALT lymphoma...
  6. ncbi Altered expression of CDX-2, PDX-1 and mucin core proteins in "Ulcer-associated cell lineage (UACL)" in Crohn's disease
    Yasunori Kaneko
    Department of Medicine, Gastroenterology, Shinshu University Graduate School of Medicine, 3 1 1 Asahi, Matsumoto, 390 8621, Japan
    J Mol Histol 39:161-8. 2008
    ..The UACL showed histological differentiation simulating gastric pylori mucosa. The down-regulation of CDX-2 and the up-regulation of PDX-1 could be an important mechanism in the induction of the UACL...
  7. ncbi Primary gastric diffuse large B-cell lymphoma with orbital involvement: diagnostic usefulness of 18F-fluorodeoxyglucose positron emission tomography
    Yugo Iwaya
    Department of Gastroenterology, Shinshu University School of Medicine, Japan
    Intern Med 50:1953-6. 2011
    ..Treatment analysis using FDG-PET for patients with DLBCL, especially for those with clinical symptoms and negative findings on conventional modalities, may be useful for assessing disease status and adjusting treatments...
  8. ncbi Histochemical, ultrastructural, and three-dimensional observation of smooth muscle cells in human gastric mucosa
    Kenichi Arai
    Department of Laboratory Medicine, Shinshu University School of Medicine, 3 1 1 Asahi, Matsumoto, Japan
    Histochem Cell Biol 121:229-37. 2004
    ..e., a twiggy "witch's broom") appearance (antrum)...
  9. ncbi [Crucial roles of Helicobacter pylori infection in the pathogenesis of gastric cancer and gastric mucosa-associated lymphoid tissue (MALT) lymphoma]
    Hiroyoshi Ota
    Department of Biomedical Laboratory Sciences, School of Health Sciences, Shinshu University School of Medicine, Matsumoto 390 8621, Japan
    Rinsho Byori 57:861-9. 2009
    ..the nuclear factor-kappaB pathway. This paper reviews recent advances in our understanding of the association of H. pylori infection with gastric cancer and gastric MALT lymphoma and the molecular genetics underlying tumor development...
  10. doi Usefulness of double balloon enteroscopy and video capsule endoscopy for the diagnosis and management of primary follicular lymphoma of the gastrointestinal tract in its early stages
    Taiji Akamatsu
    Department of Endoscopy, Shinshu University Hospital, Matsumoto, Japan
    Dig Endosc 22:33-8. 2010
    ..Furthermore, we estimate the effectiveness of chemotherapy (cyclophosphamide, doxorubicin, vincristine, and prednisone) including rituximab for them...
  11. ncbi Local gastric and serum concentrations of rebamipide following oral ingestion in healthy volunteers
    Taiji Akamatsu
    Department of Endoscopy, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
    Dig Dis Sci 47:1399-404. 2002
    ..These results suggest that the COR in the stomach exceeds the levels that are needed for various antiulcer actions and that the rebamipide levels present in the gastric mucosa and gastric mucus result from local penetration...
  12. ncbi Helicobacter pylori infection up-regulates gland mucous cell-type mucins in gastric pyloric mucosa
    Masahiro Matsuzwa
    Second Department of Internal Medicine, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
    Helicobacter 8:594-600. 2003
    ..In this study, we evaluated the effects of H. pylori infection on the expression of GMC mucins in pyloric gland cells...
  13. ncbi Ultrastructure of Helicobacter pylori in human gastric mucosa and H. pylori-infected human gastric mucosa using transmission electron microscopy and the high-pressure freezing-freeze substitution technique
    Yanping Liu
    Department of Laboratory Medicine, Shinshu University School of Medicine, Matsumoto, Japan
    J Gastroenterol 41:569-74. 2006
    ..Conventional ultrastructural analyses of Helicobacter pylori and H. pylori-infected gastric mucosa by transmission electron microscopy (TEM) have limitations because of structural artifacts introduced during fixation...
  14. ncbi Additive effect of pronase on the efficacy of eradication therapy against Helicobacter pylori
    Akira Gotoh
    The Second Department of Internal Medicine, Shinshu University School of Medicine, Matsumoto, 390 8621, Japan
    Helicobacter 7:183-91. 2002
    ..Helicobacter pylori (H. pylori) colonizes not only the surface of the surface mucous cells but also the surface mucous gel layer (SMGL). Thus, we examined the possible value of pronase, a mucolytic agent, as a potential eradication therapy...
  15. ncbi Autoimmune pancreatitis is closely associated with gastric ulcer presenting with abundant IgG4-bearing plasma cell infiltration
    Akihiro Shinji
    Department of Medicine, Department of Laboratory Medicine, and Department of Endoscopy, Shinshu University School of Medicine, Matsumoto, Japan
    Gastrointest Endosc 59:506-11. 2004
    ..Because of the diversity of extrapancreatic involvement in this disease, the present study sought to identify other associated GI-tract lesions...
  16. ncbi Quantitative determination of gland mucous cells-type mucin using a monoclonal antibody, HIK1083: its pathophysiological changes in human gastric juice
    Seiko Kubota
    Department of Laboratory Medicine, Shinshu University Hospital, 3 1 1 Asahi, Matsumoto 390 8621, Japan
    Clin Chim Acta 377:261-7. 2007
    ..pylori infection, is critical in the pathogenesis of H. pylori-related gastritis. We established an assay for GMCs-type mucin and quantitatively assessed the pathophysiological changes in its content in human gastric juice samples...
  17. doi Specific, rapid, and sensitive enzymatic measurement of sphingomyelin, phosphatidylcholine and lysophosphatidylcholine in serum and lipid extracts
    Hiroya Hidaka
    Department of Biomedical Laboratory Sciences, School of Health Sciences, Shinshu University School of Medicine, Asahi 3 1 1, Matsumoto, Nagano, 390 8621, Japan
    Clin Biochem 41:1211-7. 2008
    ..However, there are no rapid and sensitive methods for SM and PC measurement. The present report describes a novel enzymatic method for measuring SM, PC and lysophosphatidylcholine (lyso-PC) levels in plasma and lipid extracts...
  18. doi High Levels of FOXP3(+) Regulatory T Cells in Gastric MALT Lymphoma Predict Responsiveness to Helicobacter pylori Eradication
    Yugo Iwaya
    Department of Molecular Pathology, Shinshu University Graduate School of Medicine, Matsumoto, Japan Department of Medicine, Division of Gastroenterology and Hepatology, Shinshu University School of Medicine, Matsumoto, Japan
    Helicobacter 18:356-62. 2013
    ..pylori-associated diseases. Our goal was to determine how Treg cells affect responsiveness to H. pylori eradication therapy...
  19. ncbi Intestinal diffuse large B-cell lymphoma associated with celiac disease: a Japanese case
    Hideki Makishima
    The Second Department of Internal Medicine, Shinshu University School of Medicine, Matsumoto, Japan
    Int J Hematol 83:63-5. 2006
    ..This case suggests that the possibility of CD and its association with intestinal NHL should be kept in mind, even in Asian populations...
  20. doi Gastric schwannoma exhibiting increased fluorodeoxyglucose uptake
    Daisuke Komatsu
    Department of Surgery, Shinshu University School of Medicine, 3 1 1 Asahi, Matsumoto, Nagano 390 8621, Japan
    Gastric Cancer 12:225-8. 2009
    ..The tumor was diagnosed as a benign gastric schwannoma. Gastric schwannoma should be included in the differential diagnosis of submucosal tumors of the stomach with FDG uptake...
  21. ncbi Takayasu's arteritis in a patient with Crohn's disease: an unexpected association during infliximab therapy
    Nagaaki Katoh
    Department of Medicine Neurology and Rheumatology, Shinshu University School of Medicine, and Department of Endoscopy, Shinshu University Hospital, Matsumoto
    Intern Med 49:179-82. 2010
    ..Even if CD is controlled by infliximab, other autoimmune disorders, such as TA, may develop as a complication...
  22. ncbi Detection of genetic alterations in the p53 suppressor gene and the K-ras oncogene among different grades of dysplasia in patients with colorectal adenomas
    Shigetoshi Hosaka
    Second Department of Internal Medicine, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
    Cancer 94:219-27. 2002
    ....
  23. ncbi Gastric volvulus in living, related liver transplantation donors and usefulness of endoscopic correction
    Taiji Akamatsu
    Department of Endoscopy, Shinshu University Hospital, Matsumoto, Nagano, Japan
    Gastrointest Endosc 55:55-7. 2002
    ..For cultural reasons, liver transplantation from living, related donors is common in Japan. This is the first description of gastric volvulus as a complication in living, related liver donors and of the usefulness of endoscopic correction...
  24. ncbi Immunoglobulin VH gene analysis in gastric MALT lymphomas
    Hidenori Sakuma
    Department of Pathology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
    Mod Pathol 20:460-6. 2007
    ..pylori-associated, B cell subset and may not often progress to those that are inflammation-independent (Groups B and C). Although considered to be common in this tumor, ongoing mutation may be infrequent when assessed by strict criteria...
  25. ncbi Gastric MALT lymphomas are divided into three groups based on responsiveness to Helicobacter Pylori eradication and detection of API2-MALT1 fusion
    Hiroshi Inagaki
    Department of Pathology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
    Am J Surg Pathol 28:1560-7. 2004
    ..This 3-group categorization may be helpful for a comprehensive understanding of gastric MALT lymphoma...
  26. ncbi Helicobacter pylori and hetertopic gastric mucosa in the upper esophagus (the inlet patch)
    Oscar Gutierrez
    Department of Medicine, Veterans Affairs Medical Center and Baylor College of Medicine, Houston, Texas, USA
    Am J Gastroenterol 98:1266-70. 2003
    ..pylori infection and may provide a reservoir for oral-oral transmission or a niche where antibiotics might have difficulty reaching. The aim of this study was to analyze the intensity and distribution of H. pylori in the inlet patch...