Role of vacuolating cytotoxin in gastritis due to Helicobacter pylori in gnotobiotic piglets.
To investigate the role of the Helicobacter pylori cytotoxin in the pathogenesis of gastritis, gnotobiotic piglets were colonized with either toxigenic H. pylori or a nontoxigenic isogenic mutant. Only piglets given the toxigenic strain developed toxin-neutralizing antibodies (indicating that toxin is expressed in vivo), but there was no difference in bacterial colonization, epithelial vacuolation, or gastritis between the two groups of piglets.
Eaton
K A
KA
Department of Veterinary Biosciences, Ohio State University, Columbus 43210, USA. keaton@magnus.acs.ohio-state.edu
Cover
T L
TL
Tummuru
M K
MK
Blaser
M J
MJ
Krakowka
S
S
D000818:Animals; D001426:Bacterial Proteins / Q000633:toxicity*; D003603:Cytotoxins / Q000633:toxicity*; D005756:Gastritis / Q000209:etiology*; D005856:Germ-Free Life; D016480:Helicobacter pylori / Q000472:pathogenicity*; D013552:Swine
D001426:Bacterial Proteins; D003603:Cytotoxins; C074689:VacA protein, Helicobacter pylori