相关实验视频

Updated: Aug 10, 2026

In Vivo Dynamics of Retinal Microglial Activation During Neurodegeneration: Confocal Ophthalmoscopic Imaging and Cell Morphometry in Mouse Glaucoma

In Vivo Dynamics of Retinal Microglial Activation During Neurodegeneration: Confocal Ophthalmoscopic Imaging and Cell Morphometry in Mouse Glaucoma

Published on: May 11, 2015

肠道微生物群与与年龄相关的黄斑退化和玻璃眼相联系:双向门德尔随机化研究

Chen Li¹, Peirong Lu¹

¹The First Affiliated Hospital of Soochow University, Pinghai Road 899, Suzhou 215005, China.

|November 14, 2023

概括

某些肠道细菌可能会防止与年龄相关的黄斑变性 (AMD),而其他细菌则可能会导致AMD或青光眼的风险. 玻璃眼也可能影响肠道细菌的丰富性,因此需要进一步调查这些复杂的关系.

科学领域:

微生物组研究微生物组研究
眼科医生眼科眼科
遗传学遗传学是一个

背景情况:

人们越来越认识到肠道微生物组在与年龄相关的黄斑变性 (AMD) 和青光眼等眼部疾病中的作用.
了解特定肠道细菌与这些疾病之间的因果关系对于开发新型治疗策略至关重要.

研究的目的:

调查肠道微生物群组成与与年龄相关的黄斑变性 (AMD) 和青光眼的风险之间的潜在因果关系.
探索潜在的反向因果关系,在这种情况下,AMD或绿眼可能会影响肠道微生物群.

主要方法:

利用孟德尔随机化 (MR) 分析与肠道微生物组,AMD和玻璃眼的全基因组关联研究 (GWAS) 数据.
采用了五种MR方法,包括逆方差加权 (IVW) 和加权中位数,以评估因果关系.
使用科克兰的Q统计学评估异质性,并通过留下一个漏洞分析测试质性.

主要成果:

几种细菌种群,包括Eubacterium (氧化缩群) 和Parabacteroides,显示出与AMD的保护性关联.
拉克诺斯皮拉菌 (NK4A136组) 和鲁米诺科卡菌 (UCG009) 与对AMD的保护作用有关,而多利亚菌和欧细菌 (ventriosum组) 表示风险.
欧细菌 (诺达群),拉克诺斯皮拉属 (NC2004群),花树和鲁米诺可可属 (UCG004) 与眼风险增加有关. 反向MR证实了Eubacterium (nodatum群) 和青光眼之间存在因果关系.

结论:

特定的肠道细菌表现出对AMD的保护作用,而其他细菌则可能充当AMD和玻璃眼瘤的危险因素.
玻璃眼可能会因果关系地影响某些肠道细菌的丰富性,这表明双向关系.
需要进一步的研究来阐明这些肠眼轴相互作用背后的精确机制.

关键词:

与年龄相关的黄斑变性.玻璃眼 glaucoma 玻璃眼玻璃眼玻璃眼玻璃眼我们的肠道微生物群.肠-视网膜轴肠-视网膜轴门德尔的随机化是门德尔的随机化

更多相关视频

A Phenotyping Regimen for Genetically Modified Mice Used to Study Genes Implicated in Human Diseases of Aging

A Phenotyping Regimen for Genetically Modified Mice Used to Study Genes Implicated in Human Diseases of Aging

Published on: July 14, 2016

Author Spotlight: Ex Vivo OCT-Based Multimodal Imaging of Human Donor Eyes for Research into Age-Related Macular Degeneration

Author Spotlight: Ex Vivo OCT-Based Multimodal Imaging of Human Donor Eyes for Research into Age-Related Macular Degeneration

Published on: May 26, 2023

相关概念视频

Development of Human Microbiota

Development of Human Microbiota

The human microbiota begins developing at birth and undergoes continual change as we age. Infancy marks a critical period of microbial sensitivity, offering a “window of opportunity” during which beneficial microbes help mature the immune system. By age three, children typically develop a more stable and diverse microbial community. Newborns acquire microbes from their immediate environment; vaginal delivery favors maternal vaginal microbes, while cesarean births favor microbes from the skin...

Microbiome of the Eye

Microbiome of the Eye

The human eye has a specialized microbiota that reflects its unique anatomical and immunological environment. This low-biomass microbial community predominantly colonizes the conjunctiva and eyelid margins, playing a vital role in ocular surface homeostasis and defense. Despite its proximity to the richly colonized facial skin, the ocular surface maintains a distinct microbial profile due to continuous mechanical and biochemical defense mechanisms.The conjunctival surface hosts fewer microbial...

Gut-Brain Axis

Gut-Brain Axis

The gut–brain axis is a bidirectional communication system that connects the gastrointestinal tract and the brain. This interaction is mediated through multiple pathways, including the vagus nerve, hormonal signals, immune responses, and chemical messengers produced by gut microbes.Microbial Contributions to Brain FunctionGut microbiota contributes significantly to brain function by producing neuroactive compounds. These include neuroactive compounds that influence neurotransmitters such as...