17.Beales IL,et al.Antibodies to CagA protein are associated with gastric atrophy in Helicobacter pylori infection.Eur J Gastroenterlo Hepatol,1996,8(7):6345.
18.Kuipers EJ,et al.Helicobacter pylori and atrophic gastritis:importance of the cagA status.J Natl Cancer Inst,1995.87(23):1777.
19.Blaser MJ,et al.Infection with Helicobacter pylori strains possessing cagA is associated with an increased risk of developing adenocarcinoma of the stomach.Cancer Res,1995,55(10):2111.
20.Parsonnet J,et al.Risk for gastric cancer in people with CagA positive or CagA negative Helicobacter pylori infection.Gut,1997,40(3):297.
21.Peek RM,et al.Helicobacter pylori cagA+ strains and dissociation of gastric epithelial cell proliferation from apoptosis.J,Natl Cancer Inst,1997,18,89(12):863.
22.Nilsson I,et al.Immunoblot assay for serodiagnosis of Helicobacter pylori infections.J Clin Microil,1997,35(2):427.
23.Basso D,et al.He licobacter pylori infection enhances mucosal interbeukin-1 beta,interleukin-6,and the soluble receptor of interleukin-2.Int J Clin Lab_Res,1996,26(3):207.
24.Eck M,et al.MALT-type lymphoma of the stomach is associated with Helicobacter pylori strains expressing the CagA protein.Gastroenterology,1997,112(5):1482.
25.de Jong D,et al.Gastric non-Hodgkin lymphomas of mucosa-associated lymphoid tissue are not associated with more aggressive Helicobacter pylori strains as identified by CagA.Am J Clin Path1,1996,106(5):670.
26.Crabtree JE,et al.Immunologic aspects of Helicobacter pylori infection and malignant transformation of B cells.Semin Gastrointest Dis.1996,7(1):30.
27.Blaser MJ,Crabtree JE.CagA and the outcome of Helicobacter pylori infection [editorial;comment].Am J Clin Pathol,1996,106(5):565.
28.Covacci A,et al.Molecular characterization of the 128-kDa immunodominant antigen of Helicobacter pylori associated with cytotoxicity and duodennal ulcer.Proc Natl Acad Sci USA.1993,90(12):5791.
29.Censini S,et al.cag,a pathogenicity island of Helicobacter pylori,encodes type I-specific and disease-associated virulence factors.Proc Natl Acad SciUSA.1996,93(25):14648.
30.Tummuru MK,et al.Helicobacter&nbs p;pylori picB,a homologue of the Bordetella pertussis toxin secretion protein,is required for induction of IL-8 in gastric epithelial cells.Mol Microbiol,1995,18(5):867.
31.Forman D.Helicobacter and gastric cancer.Scand J Gastroenterol 1996.31 (Suppl 214):31.