https://scholars.lib.ntu.edu.tw/handle/123456789/417219
標題: | Antibody to a Helicobacter pylori species specific antigen in patients with adenocarcinoma of the stomach | 作者: | Wang, Jin-Town Chang C.-S. Lee, Cha-Ze JYH-CHIN YANG Lin J.-T. Wang T.-H. |
公開日期: | 1998 | 出版社: | Academic Press Inc. | 卷: | 244 | 期: | 2 | 起(迄)頁: | 360-363 | 來源出版物: | Biochemical and Biophysical Research Communications | 摘要: | This study attempted to identify a possible antibody response to Helicobacter pylori, which is associated with patients with adeno-carcinoma of the stomach. By using proteins of H. pylori as the antigen, pooled sera from gastric cancer and non-cancer patients were used as the first antibody for Western blot analysis. Antibody responses to a 26 kD secreted protein were observed in pooled cancer sera, but not in pooled sera from non-cancer patients. The protein was purified, while amino acid sequences revealed that it was a H. pylori species specific protein. The gene of this protein was cloned and a recombinant protein was expressed in E. coli. In addition, an antibody to the recombinant protein was tested in each individual patient using Western blot analysis. None of the forty non-gastric cancer patients were positive for the antibody to the recombinantly expressed 26 kD species specific protein. Meanwhile, six of the twenty four cancer patients tested positive (0/40 vs 6/24, p < 0.01). Results presented herein demonstrate that the species specific protein of H. pylori can be useful in detecting H. pylori associated with adenocarcinoma of the stomach. |
URI: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-0032539757&doi=10.1006%2fbbrc.1998.8271&partnerID=40&md5=4fa0a838557652570ed5f7791cd687f2 https://scholars.lib.ntu.edu.tw/handle/123456789/417219 |
ISSN: | 0006-291X | DOI: | 10.1006/bbrc.1998.8271 | SDG/關鍵字: | bacterium antibody; recombinant protein; adult; aged; amino acid sequence; antibody response; article; clinical article; controlled study; Escherichia coli; female; Helicobacter pylori; human; immunoblotting; male; molecular cloning; priority journal; protein purification; stomach adenocarcinoma; Taiwan; Bacteria (microorganisms); Escherichia coli; Helicobacter pylori |
顯示於: | 微生物學科所 |
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