Novel activities of the Helicobacter pylori vacuolating cytotoxin:: from epithelial cells towards the immune system

被引:20
作者
Fischer, W [1 ]
Gebert, B [1 ]
Haas, R [1 ]
机构
[1] LMU Munchen, Max Von Pettenkofer Inst Hyg & Med Microbiol, D-80336 Munich, Germany
关键词
Helicobacter; cell vacuolation; IL-2; secretion; NFAT; calcineurin; immunophilins;
D O I
10.1078/1438-4221-00300
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
H. pylori has developed a unique set of virulence factors, which allow its survival in a unique ecological niche, the human stomach. The vacuolating cytotoxin (VacA) and the cytotoxin-associated antigen (CagA) are major bacterial factors involved in modulating the host. VacA, so far mainly regarded as a cytotoxin for the gastric epithelial cell layer, apparently has profound effects in modulating the immune response. In this review we discuss some of the classical effects of VacA, such as cell vacuolation, and compare them with more recently identified mechanisms of VacA on immune cells.
引用
收藏
页码:539 / 547
页数:9
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