二次分析揭示了帕金森病和/或认知障碍患者的肠道微生物群差异
Xin Shen1,2, Bing Leng3,2, Shukun Zhang4,2
1Inner Mongolia Key Laboratory of Dairy Biotechnology and Engineering; Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs; Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot 010018, Inner Mongolia, China.
Microbiome research reports
|January 1, 2025
概括
帕金森病 (PD) 患者的认知障碍 (CI) 与大脑结构的减少和肠道微生物群的改变有关,有益细菌较少,病原体较多. PD对肠道微生物群的影响比单独的CI更为显著.
科学领域:
- 神经科学是一个神经科学.
- 微生物学 微生物学
- 胃肠病学 胃肠病学
背景情况:
- 帕金森病 (PD) 是一种神经退行性疾病,其特点是运动症状,如布拉迪基尼西亚和肌肉硬.
- 认知障碍 (CI) 是PD中常见的一种非运动性症状,从轻度CI到痴呆症.
- 肠道微生物群的变化与PD病原发生有关,这表明PD-CI的潜在诊断作用.
研究的目的:
- 研究帕金森病患者的肠道微生物群,认知功能和大脑结构之间的关系.
- 为了比较患有和没有认知障碍 (CI) 的PD患者的肠道微生物组合.
- 探索PD和CI如何单独和集体影响肠道微生物群.
主要方法:
- 对比了43名PD-CI患者的肠道微生物群 (蒙特利尔认知评估[MoCA]得分<26) 和38名没有CI的PD患者 (MoCA ≥26).
- 通过MRI记录神经心理状况,抑郁症得分和大脑结构.
- 从PD,PD-CI和CI-only队列的公共数据库中重新分析了便元基因组数据集.
主要成果:
- 与没有CI的PD相比,PD-CI患者的皮质厚度和海马体,灰质体和乳头体的体积显著减少.
- 在PD-CI患者的肠道微生物群中,短链脂肪酸 (SCFA) 生产细菌减少,病原性细菌增加.
- 观察到代谢途径编码基因的变化;PD对肠道微生物群的影响比CI更大.
结论:
- 认知障碍可能会加剧PD的严重程度,但不会彻底改变肠道微生物群.
- 这项研究强调了肠道微生物群,帕金森病和认知障碍之间的复杂关系.
- 肠道微生物群的组成可以作为PD-CI的潜在生物标志物.
相关概念视频
Neural Regulation
38.9K
Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
38.9K
Parkinson's Disease: Overview
303
Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is...
303


