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Infection and Immunity, February 2000, p. 915-920, Vol. 68, No. 2
0019-9567/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.

Identification of Immunodominant Antigens from Helicobacter pylori and Evaluation of Their Reactivities with Sera from Patients with Different Gastroduodenal Pathologies

Brigitte Kimmel,1 Armin Bosserhoff,2 Rainer Frank,2 Roy Gross,1 Werner Goebel,1 and Dagmar Beier1,*

Theodor-Boveri-Institut für Biowissenschaften, Lehrstuhl für Mikrobiologie, Universität Würzburg, D-97074 Würzburg,1 and Zentrum für Molekularbiologie, Universität Heidelberg, D-69120 Heidelberg,2 Germany

Received 28 July 1999/Returned for modification 14 September 1999/Accepted 13 October 1999

Colonization of the gastric mucosa by Helicobacter pylori is the major cause of gastroduodenal pathologies in humans. Studying the outcome of the humoral immune response directed against this gastric pathogen may contribute substantially to vaccine development and to the improvement of diagnostic techniques based on serology. By using two-dimensional gel electrophoresis, 29 proteins from H. pylori G27 were identified which strongly react with sera derived from H. pylori-infected patients suffering from different gastroduodenal pathologies. These antigens were characterized by mass spectrometry and proved to correspond to products of open reading frames predicted by the H. pylori genome sequence. The comparison of the antigenic patterns recognized by these sera revealed no association of specific H. pylori antigens with antibodies in patients with particular gastroduodenal pathologies.

* Corresponding author. Mailing address: Theodor-Boveri-Institut für Biowissenschaften, Lehrstuhl für Mikrobiologie, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany. Phone: 49-931-8884421. Fax: 49-931-8884402. E-mail: d.beier{at}biozentrum.uni-wuerzburg.de.

Infection and Immunity, February 2000, p. 915-920, Vol. 68, No. 2
0019-9567/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.


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Copyright © 2000 by the American Society for Microbiology. All rights reserved.