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cagA positive and negative Helicobacter pylori strains are simultaneously present in the stomach of most patients with non-ulcer dyspepsia: relevance to histological damage.
Figura N, Vindigni C, Covacci A, Presenti L, Burroni D, Vernillo R, Banducci T, Roviello F, Marrelli D, Biscontri M, Kristodhullu S, Gennari C, Vaira D. Figura N, et al. Among authors: covacci a. Gut. 1998 Jun;42(6):772-8. doi: 10.1136/gut.42.6.772. Gut. 1998. PMID: 9691913 Free PMC article.
Analysis of expression of CagA and VacA virulence factors in 43 strains of Helicobacter pylori reveals that clinical isolates can be divided into two major types and that CagA is not necessary for expression of the vacuolating cytotoxin.
Xiang Z, Censini S, Bayeli PF, Telford JL, Figura N, Rappuoli R, Covacci A. Xiang Z, et al. Among authors: covacci a. Infect Immun. 1995 Jan;63(1):94-8. doi: 10.1128/iai.63.1.94-98.1995. Infect Immun. 1995. PMID: 7806390 Free PMC article.
Therapeutic intragastric vaccination against Helicobacter pylori in mice eradicates an otherwise chronic infection and confers protection against reinfection.
Ghiara P, Rossi M, Marchetti M, Di Tommaso A, Vindigni C, Ciampolini F, Covacci A, Telford JL, De Magistris MT, Pizza M, Rappuoli R, Del Giudice G. Ghiara P, et al. Among authors: covacci a. Infect Immun. 1997 Dec;65(12):4996-5002. doi: 10.1128/iai.65.12.4996-5002.1997. Infect Immun. 1997. PMID: 9393788 Free PMC article.
Immunobiology of Helicobacter pylori infection.
Telford JL, Covacci A, Rappuoli R, Chiara P. Telford JL, et al. Among authors: covacci a. Curr Opin Immunol. 1997 Aug;9(4):498-503. doi: 10.1016/s0952-7915(97)80101-x. Curr Opin Immunol. 1997. PMID: 9287174 Review.
88 results