23
Views
2
CrossRef citations to date
0
Altmetric
Research Article

Helicobacter pylori CagA-positive Strains Affect Oxygen Free Radicals Generation by Gastric Mucosa

Pages 247-250 | Published online: 08 Jul 2009

References

  • Watanabe T, Tada M, Nagai H, Sasaki S, Nakao M. Helicobacter pylori infection induces gastric cancer in Mongolian gerbils. Gastroenterology 1998;115:642–8.
  • Mobley HL. Helicobacter pylori factors associated with disease development. Gastroenterology 1997;113 Suppl 6:S21–8.
  • Davies GR, Simmonds NJ, Stevens TR, Scheaff MT, Banagvala M, Laurenson IF, et al. Helicobacter pylori stimulates antral mucosal reactive oxygen metabolite production in vivo. Gut 1994;35:179–85.
  • Nielsen H, Andersen LP. Activation of human phagocyte oxidative metabolism by Helicobacter pylori. Gastroenterology 1992;103:1747–53.
  • Zhang QB, Nakashabendi IM, Mokhashi MS, Dawodu JB, Gemmell CG, Russell RI, et al. Association of cytotoxin production and neutrophil activation by strains of Helicobacter pylori isolated from patients with peptic ulceration and chronic gastritis. Gut 1996;38:841–5.
  • Davies GR, Banatvala N, Collins CE, Scheaff MT, Abdi Y, Clements L, et al. Relationship between infective load of Helicobacter pylori and reactive oxygen metabolite production in antral mucosa. Scand J Gastroenterol 1994;29:419–24.
  • Davies GR, Rampton DS. Helicobacter pylori, free radicals and gastroduodenal disease. Eur J Gastroenterol Hepatol 1994;6:1–10.
  • Weiss SJ. Tissue destruction by neutrophils. N Engl J Med 1989; 320:365–76.
  • Cheeseman KH, Slater TF. An introduction to free radical biochemistry. Br Med Bull 1993;49:481–93.
  • Crabtree JE, Covacci A, Farmery SM, Xiang Z, Tompkins DS, Perry S, et al. Helicobacter pylori induced interleukin-8 expression in gastric epithelial cells is associated with CagA positive phenotype. J Clin Pathol 1995;48:41–5.
  • Crabtree JE. Gastric mucosal inflammatory responses to Helicobacter pylori. Aliment Pharmacol Ther 1996;10 Suppl 1:29–37.
  • Guslandi M. A radical view of Helicobacter pylori. Am J Gastroenterol 1999;94:2797–8.
  • Lanza FL. Endoscopic studies of gastric and duodenal injury after the use of ibuprofen, aspirin, and other nonsteroidal antiinflammatory agents. Am J Med 1984;77(1A):19–24.
  • Nurcombe HL, Edwards SW. Role of myeloperoxidase in intracellular and extracellular chemiluminescence of neutrophils. Ann Rheum Dis 1989;48:56–62.
  • Nielsen H, Andersen LP. Chemotactic activity of Helicobacter pylori sonicate for human polymorphonuclear leucocytes and monocytes. Gut 1992;33:738–42.
  • Rokkas T, Ladas S, Liatsos C, Petridov E, Papatheodouru G, Theocharis S, et al. Relationship of Helicobacter pylori CagA status to gastric cell proliferation and apoptosis. Dig Dis Sci 1999;44:487–93.
  • Suzuki H, Suzuki M, Mori M, Kitahora T, Yokoyama H, Miura S, et al. Augmented levels of gastric mucosal leucocyte activation by infection with CagA gene-positive Helicobacter pylori. J Gastroenterol Hepatol 1998;13:294–300.
  • Crabtree JE. Gastric mucosal inflammatory responses to Helicobacter pylori. Aliment Pharmacol Ther 1996;10 Suppl 1:29–37.
  • Peek RM, Jr, Blaser MJ, Mays DJ, Forsyth MH, Cover TL, Song SY, et al. Helicobacter pylori strain-specific genotypes and modulation of the gastric epithelial cell cycle. Cancer Res 1999;59(24):6124–31.
  • Correa P. Human gastric carcinogenesis: a multistep and multifactorial process—First American Cancer Society Award Lecture on Cancer Epidemiology and Prevention. Cancer Res 1992;52:6735–40.
  • Perez-Perez GI, Peek RM, Legath AJ, Heine PR, Graff LB. The role of CagA status in gastric and extragastric complications of Helicobacter pylori. J Physiol Pharmacol 1999;50(5):833–45.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.