Abstract
Cytotoxin is one of the candidate factors of virulence of Helicobacter pylori (HP) [1]. Toxigenicity occurs frequently in strains isolated from patients with peptic ulceration [2], and there is serological evidence that cytotoxin production also occurs in vivo. In fact, in immunoblotting tests we saw that all the 31 individuals infected by cytotoxic (CT+) HP strains tested and 14 of 20 patients (70%) infected by noncytotoxic (CT−) organisms had serum immunoglobulin G (IgG) which recognized HP cytotoxin-associated proteins (CAP). IgA to CAP were hardly detected, mostly in patients infected by CT+ strains, while IgM were not detected at all (N. Figura et al., in preparation).
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References
Leunk RD, Johnson PT, David BC, Kraft WG, Morgan DR (1988) Cytotoxic activity in broth-culture filtrates of Campylobacter pylori. J Med Microbiol 26:93–99.
Figura N, Guglielmetti P, Rossolini A, Barberi A, Cusi G, Musmanno RA, Russi M, Quaranta S (1989) Cytotoxin production by Campylobacter pylori strains isolated from patients with peptic ulcers and from patients with chronic gastritis only. J Clin Microbiol 27:225–226.
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© 1990 Springer-Verlag Berlin Heidelberg
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Figura, N. et al. (1990). Serum Antibodies to the Vacuolating Toxin Produced by Helicobacter pylori . In: Malfertheiner, P., Ditschuneit, H. (eds) Helicobacter pylori, Gastritis and Peptic Ulcer. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-75315-2_24
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DOI: https://doi.org/10.1007/978-3-642-75315-2_24
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