在干眼和梅博米腺功能障碍的眼中补充激活产品
Hiroki Maehara1, Koki Norikawa2, Keiichiro Tanaka2
1Department of Ophthalmology, Fukushima Medical University School of Medicine, Hikarigaoka 1, Fukushima, Fukushima, 960-1247, Japan. hmaehara@fmu.ac.jp.
Scientific reports
|January 3, 2024
概括
补充激活产品 (CAPs) 在干眼 (DE) 和梅博米腺功能障碍 (MGD) 患者的眼中升高. 这表明先天免疫系统失调有助于老年人这些常见的眼睛疾病.
科学领域:
- 眼科医生 眼科 眼科
- 免疫学 免疫学 免疫学
- 眼电影研究 眼电影研究
背景情况:
- 干眼 (DE) 和梅博米腺功能障碍 (MGD) 是普遍存在的疾病,特别是在老年人群中.
- 天生的免疫系统和补充激活在DE和MGD病变发生中的作用需要进一步阐明.
研究的目的:
- 调查液中补充激活产品 (CAPs) 的含量,特别是C3a和C5a.
- 确定CAP水平是否与老年患者的DE和MGD存在或不存在相关.
主要方法:
- 从67名患者收集了眼液样本,分为四组:DE与MGD (DM),DE没有MGD (DN),MGD没有DE (NM) 和没有 (NN).
- 使用细胞计数珠阵列分析量化C3a和C5a的水平.
- 统计分析对不同患者组的CAP度进行了比较.
主要成果:
- 与对照组 (NN) 相比,患有DE和MGD (DM组) 和仅患有MGD (NM组) 的患者在眼中表现出C3a和C5a度显著更高.
- 在MGD和DE患者的眼液中观察到C3a和C5a水平升高,这表明补体激活增加.
- 具体度:C3a在978 pg/ml (NN) 到2326 pg/ml (DM) 之间;C5a在12.9 pg/ml (NN) 到24.7 pg/ml (DM) 之间.
结论:
- 该研究表明,干眼和/或梅博米腺功能障碍患者的眼液中补充激活产品的增加.
- 这些发现表明,先天免疫系统的局部失调,特别是补充途径,可能在老年人中DE和MGD的发展和进展中发挥重要作用.
- 准补充通路可能是管理DE和MGD的潜在治疗策略.
相关概念视频
01:27Complement System
2.4K
The complement system is a group of approximately 20 plasma proteins that strengthen the body's defenses against infections through opsonization, inflammation, and cell lysis. Opsonization involves coating pathogens with complement proteins, making them more recognizable and facilitating phagocyte engulfment. Certain complement proteins induce inflammation that attracts immune cells to the site of infection. Cell lysis involves the destruction of pathogens through the formation of a...
2.4K
01:11Direct-Acting Cholinergic Agonists: Therapeutic Uses
744
Direct-acting cholinergic agonists have many therapeutic uses in various medical fields. Choline esters, including acetylcholine, have limited clinical utility due to their non-selectivity and short duration of action. Still, acetylcholine and carbachol are applied topically during ophthalmologic surgery to induce miosis. Pilocarpine, a muscarinic and ganglionic stimulator, effectively treats open-angle glaucoma and alleviates xerostomia and dry mouth caused by radiotherapy or Sjögren...
744
01:17Accessory Structures of the Eye
1.6K
Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
1.6K