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Updated: Aug 17, 2026

Rapid Detection of Fecal Antigen of Helicobacter pylori Infection Based on Double Antibody Sandwich Detection Technology
Published on: May 23, 2025
Identification of Helicobacter pylori surface proteins by selective proteinase K digestion and antibody phage display
Nicolas Sabarth1, Robert Hurvitz, Monika Schmidt
1Max Planck Institute for Infection Biology, Department of Molecular Biology, Schumannstrasse 21/22, D-10117 Berlin, Germany. nicolas.2.sabarth@gsk.com
Abstract:
Five surface proteins of Helicobacter pylori were identified by proteinase K treatment of live H. pylori followed by proteome analysis. One of the identified proteins, HopQ, is also recognized by an antibody selected by phage display screening of intact H. pylori.
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