接种Helicobacter pylori附着蛋白的疫苗可以预防胃癌
Jeanna A Bugaytsova1,2, Artem Piddubnyi1,2,3, Iryna Tkachenko1,4
1Department Medical Biochemistry and Biophysics, Umeå University, SE90187 Umeå, Sweden.
bioRxiv : the preprint server for biology
|July 18, 2023
概括
阻断Helicobacter pylori附着蛋白BabA的天然抗体提供了对胃癌的保护. 针对BabA的疫苗接种策略在预防H. pylori诱导的炎症和癌症方面表现有前途.
科学领域:
- 胃肠病学 胃肠病学
- 免疫学 免疫学 免疫学
- 在瘤学瘤学.
背景情况:
- 胃癌通常与慢性Helicobacter pylori感染有关.
- 抗生素耐药性和缺乏早期诊断阻碍了H. pylori的根除.
- 天然抗体可以通过阻断BabA. pylori来抑制H. pylori的附着.
研究的目的:
- 为了研究阻断抗体对H. pylori BabA. 的作用.
- 评估用于诱导保护性抗体的疫苗接种策略.
- 评估这些抗体在预防H. pylori诱导的胃病理和癌症方面的有效性.
主要方法:
- 在人类志愿者和 rhesus macaques 中诱导 H. pylori 感染.
- 在 rhesus macaques 中使用 BabA 蛋白抗原进行粘膜疫苗接种.
- 接种巴巴A的小鼠模型,并挑战H. pylori.
主要成果:
- 在人类和中,H. pylori感染诱导了阻断抗体.
- 在中接种BabA疫苗会产生阻断抗体.
- 在小鼠中接种疫苗可以减少炎症,维持胃酸,并预防胃癌.
结论:
- 对H. pylori BabA的阻断抗体是由感染和接种疫苗引起的.
- 针对BabA的疫苗接种是预防H.pylori相关的胃癌的潜在策略.
- 这种方法为消除H. pylori提供了抗生素治疗的替代方案.
关键词:
在 ABO/Leb 血型抗原.宝贝一个宝贝一个宝贝在Helicobacter Pylori的研究中,粘附在其中的粘合物.动物模型动物模型广泛阻断抗体的抗体.发育不良症 发育不良症胃癌 胃癌 是一种胃癌.接种疫苗 接种疫苗更多相关视频
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