肠道细菌卡尔梅特 - 格林 (BCG) 疫苗影响认知能力
Charles L Greenblatt1, Herve Bercovier1, Benjamin Y Klein2
1Department of Microbiology and Molecular Genetics, Institute for Medical Research Israel-Canada (IMRIC), Hebrew University of Jerusalem, Jerusalem, Israel.
Journal of Alzheimer's disease : JAD
|June 29, 2024
概括
根据蒙特利尔认知评估 (MoCA) 评分,Bacille Calmette-Guerin (BCG) 治疗可能会改善老年人的认知功能. 与对照组不同的是,BCG患者保持得分,这表明认知效益.
科学领域:
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
- 老年学是一门学科.
背景情况:
- 蒙特利尔认知评估 (MoCA) 是评估认知功能,特别是时间和空间意识的关键工具.
- 肠道 Calmette-Guerin (BCG) 是一种常见的治疗膀癌的方法.
- 认知能力下降是老年人群的一个重大问题.
研究的目的:
- 调查 Calmette-Guerin (BCG) 肠道细菌对蒙特利尔认知评估 (MoCA) 成绩的影响.
- 探索老年人BCG治疗和认知状态之间的关系.
- 检查BCG对认知影响的潜在潜在机制.
主要方法:
- 在接受静脉BCG和对照组的患者之间比较MoCA得分.
- 分析了与年龄和教育相关的MoCA得分随时间变化.
- 在BCG注射的志愿者中评估前粉样蛋白生物标志物.
- 在动物模型中评估BCG对神经元树突发育的影响.
主要成果:
- 肠道BCG的使用显著影响了MoCA测试.
- 摩卡分数与年龄呈反相关,与正规教育呈正相关.
- 接受BCG治疗的患者表现出稳定的MoCA得分,而对照组近一半的患者表现出下降.
- 接受BCG注射的志愿者表现出降低的前粉样蛋白生物标志物,动物模型显示出有利的神经元树突发育.
结论:
- 肠道BCG可能对认知状态产生有益影响,特别是在老年人中.
- 观察到的认知益处可能受到减少的粉样蛋白生物标志物和对神经元结构的积极影响的支持.
- 需要进一步的研究来阐明BCG的神经保护机制.
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