在一个新的非人类灵长类动物模型中,老化过程中口腔健康的变化
Parveez Ahamed Abdul-Azees1, Hanzhou Wang1, Yong-Hee P Chun2
1Department of Comprehensive Dentistry, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA.
GeroScience
|September 29, 2023
概括
陈旧的海豚表现出口腔健康的下降和口腔微生物组的改变,老年动物表现出更多的虫和特定的细菌转移. 这项研究确立了松鼠作为人类老龄化口腔健康研究的模型.
科学领域:
- 老年学是一门学科.
- 微生物学 微生物学
- 口腔健康研究研究 口腔健康研究
背景情况:
- 口腔健康显著影响老年人的生活质量.
- 与年龄相关的口腔健康变化由于当前动物模型的局限性,人们对其了解甚微.
研究的目的:
- 为了分析不同年龄段的海鸟的口腔健康和微生物群.
- 确立马尔莫塞特作为研究人类老龄化口腔健康的潜在动物模型.
主要方法:
- 检查了年轻,中年和老年海豚的尸体组织.
- 通过16S rRNA基因测序评估了牙细菌群落.
- 利用主要坐标分析和非度数多维缩放进行微生物组分析.
主要成果:
- 较老的马尔莫塞特有较高的牙损,磨损/侵蚀率和牙周口袋深度.
- 在年长的海猫中观察到口腔微生物组合的显著变化,其中增加了埃舍里希亚-希格拉和普罗皮奥尼细菌.
- 微生物组聚类表明中年和老年海与年轻的海有不同的形状.
结论:
- 口腔微生物组的变化与老年海的口腔健康下降有关.
- 马尔莫塞特模型对研究与人类相关的与年龄相关的口腔健康变化充满希望.
- 这些发现可能会为与年龄相关的口腔疾病的新预防策略提供信息.
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