在年轻患者的唾液,GCF和血清中的IgG,具有C级切口纹牙周炎的年轻患者
Meaad M Alamri1,2, Gordon Proctor1, Luigi Nibali1
1Periodontology Unit, Centre for Host Microbiome Interactions, Faculty of Dentistry, Oral & Craniofacial Sciences, King's College London, London, UK.
Clinical and experimental dental research
|March 30, 2025
概括
与对照组相比,患有C级切口模式牙周炎 (C/MIP) 的患者在唾液和牙裂液中显示免疫球蛋白G (IgG) 水平升高. 这些发现表明IgG可能作为C/MIP的潜在生物标志物.
科学领域:
- 免疫学 免疫学 免疫学
- 牙周病学 牙周病学
- 生物标志物发现发现
背景情况:
- 牙周炎,特别是被称为C级切口模式牙周炎 (C/MIP) 的严重形式,涉及复杂的宿主-病原体相互作用.
- 免疫球蛋白G (IgG) 在免疫反应中起作用,但其在C/MIP病原发生中的具体参与需要进一步阐明.
研究的目的:
- 为了研究和比较唾液,牙裂液 (GCF) 和血清中的免疫球蛋白G (IgG) 水平.
- 确定IgG水平与年轻患者的C/MIP之间的关联.
主要方法:
- 一项涉及62名参与者的横截面研究 (31例C/MIP病例和31例无牙周炎对照).
- 收集唾液,GCF和血液样本进行分析.
- 使用酶相关免疫吸收试验 (ELISA) 量化人类总IgG水平.
主要成果:
- 与对照组相比,C/MIP患者的唾液和GCF中观察到显著更高的IgG水平 (p<0.001).
- 血清IgG水平在病例和对照组之间没有显著差异 (p=0.137).
- 在C/MIP男性和对照男性中发现了升高的唾液IgG,在C/MIP患者的两种性别中发现了更高的GCFIgG.
结论:
- 这项研究提供了第一份与C/MIP相关的唾液和GCF中IgG水平升高的证据.
- 这些发现表明,IgG可能是诊断和理解C/MIP病变的潜在生物标志物.
- 建议进行更大规模的研究来验证这些结果.
相关概念视频
01:10Antibody Structure
Overview
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
The Y-Shaped Structure of Antibodies Consists of Four Polypeptide Chains
Antibodies consist of four polypeptide chains: two identical heavy...
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
The Y-Shaped Structure of Antibodies Consists of Four Polypeptide Chains
Antibodies consist of four polypeptide chains: two identical heavy...
01:15Transcytosis of IgG
Transcytosis is the process in which molecules are internalized by endocytosis, transported across the cell, and released through exocytosis from the opposite end of the cell. Molecules such as insulin, immunoglobulins, and certain nutrients are transferred through the recycling endosomes by recycling and transcytosis.
IgG molecules from a mother undergo transcytosis starting around 13 weeks of gestation. The amount of IgG transferred and entering the fetal blood circulation increases with...
IgG molecules from a mother undergo transcytosis starting around 13 weeks of gestation. The amount of IgG transferred and entering the fetal blood circulation increases with...
01:22Development of Immunocompetence
The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...