巨菌群刺激因子在口腔腔中葡萄球菌感染的作用
Hidenobu Senpuku1,2, Kazuhisa Yoshimura3, Hideki Takai4
1Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo 162-8640, Japan.
Journal of clinical medicine
|September 28, 2023
概括
唾液巨菌群刺激因子 (M-CSF) 可以表明免疫功能低下的个体,包括患有牙周病或艾滋病毒的人的机会性葡萄球菌感染. 这一发现为感染提供了一个新的唾液诊断标志物.
科学领域:
- 口腔微生物学和免疫学
- 免疫受损宿主研究
- 生物标志物发现发现
背景情况:
- 口腔感染是复杂的,几乎没有可靠的指标.
- 唾液标记器提供了一种非侵入性方法,用于对疾病症状进行仔细检查.
- 机会性病原体如*C. albicans*和葡萄球菌对免疫功能低下的个体 (例如艾滋病毒,牙周病患者) 构成风险.
研究的目的:
- 在免疫系统受损的个体中研究机会性病原体和唾液因子 (巨菌群刺激因子[M-CSF和CA125/MUC16].
- 为了探索 *C. albicans*,葡萄球菌,M-CSF 和唾液中的 CA125/MUC16 之间的相关性.
- 确定一个可靠的机会性感染预测指标,在风险人群中.
主要方法:
- 从患有牙周病的老年患者,艾滋病毒阳性患者和健康对照组收集唾液样本.
- 量化了*C. albicans*,葡萄球菌,M-CSF和CA125/MUC16的水平.
- 在不同患者群体中分析了这些唾液因子之间的相关性.
主要成果:
- 在老年人和艾滋病毒阳性患者中,M-CSF和葡萄球菌水平之间观察到显著的正相关性.
- 在这两组患者中,M-CSF和CA125/MUC16之间也发现了显著的正相关性.
- 与健康人相比,这些相关性在患者中更为明显.
结论:
- 唾液M-CSF显示出作为葡萄球菌机会性感染的新型指标的潜力.
- M-CSF可能在免疫受损个体的宿主防御机制中发挥作用,防止感染.
- 对M-CSF的唾液分析可以帮助在脆弱人群中早期检测和管理感染.
相关概念视频
Regulation of Hematopoietic Stem Cells
3.2K
All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...
3.2K
Defense Against Bacterial Pathogens
1.4K
The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
1.4K
Differentiation of Common Myeloid Progenitor Cells
3.2K
Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...
3.2K


