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- W2073670190 abstract "Abstract Background: Several Helicobacter pylori proteins have been reported to be associated with severe symptoms of gastric disease. However, expression levels of most of these disease‐associated proteins require further evaluation in order to clarify their relationships with gastric disease patterns. Representative proteome components of 71 clinical isolates of H. pylori were analyzed quantitatively to determine whether the protein expression levels were associated with gastric diseases and to cluster clinical isolates. Methods: After two‐dimensional electrophoresis (2‐DE) of H. pylori isolates, spot intensities were analyzed using pdquest 2‐D Gel Analysis Software. The intensities of 10 representative protein spots, identified by peptide fingerprinting using matrix assisted laser desorption ionization‐time of flight mass spectrometry (MALDI‐TOF‐MS) or peptide sequencing using quadrupole TOF MS, were subjected to the nonparametric Mann–Whitney test and hierarchical agglomerative cluster analysis. The relationship between clusters and gastric diseases was analyzed by the chi‐squared test. Results: Although the spot intensities of the 10 representative proteins were highly variable within each gastric disease group, the expression levels of CagA, UreB, GroEL, EF‐Tu, EF‐P, TagD, and FldA showed some significant differences among the gastric disease patterns. On the basis of the 10 target protein intensities, hierarchical agglomerative cluster analysis generated a dendrogram with clusters indicative of chronic gastritis/gastric cancers and gastric/duodenal ulcers. Conclusion: These results indicated that quantitative analysis of proteome components is a feasible method for examining disease‐associated proteins and clustering clinical strains of H. pylori ." @default.
- W2073670190 created "2016-06-24" @default.
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- W2073670190 date "2006-11-02" @default.
- W2073670190 modified "2023-10-16" @default.
- W2073670190 title "Quantitative Analysis of Representative Proteome Components and Clustering of <i>Helicobacter pylori</i> Clinical Strains" @default.
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- W2073670190 doi "https://doi.org/10.1111/j.1523-5378.2006.00456.x" @default.
- W2073670190 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/17083375" @default.
- W2073670190 hasPublicationYear "2006" @default.
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