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相关概念视频

Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the progression...
Tuberculosis01:23

Tuberculosis

Tuberculosis (TB) remains a significant global health concern, primarily targeting the lungs and spreading through airborne transmission. Infection begins when aerosolized droplet nuclei, expelled by an individual with active TB, are inhaled by another person. These microscopic particles carry Mycobacterium tuberculosis, the causative agent of TB. Upon reaching the alveoli, the bacilli are engulfed by alveolar macrophages. However, due to their specialized lipid-rich cell wall, these pathogens...

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Updated: Jul 7, 2026

Flow Cytometry Analysis of Immune Cell Subsets within the Murine Spleen, Bone Marrow, Lymph Nodes and Synovial Tissue in an Osteoarthritis Model
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单细胞转录组分析显示,在患有骨关节结核病的患者中,巨-RGS1子集的频率下降.

Ying Jiang1, Xinqiang Zhang2, Bo Wang1

  • 1The Eighth Medical Center of Chinese PLA General Hospital, Beijing, 100091, People's Republic of China.

Molecular medicine (Cambridge, Mass.)
|August 9, 2024
PubMed
概括

在骨关节结核病 (OTB) 中,一个特定的巨细胞子集 (巨细胞-RGS1高) 减少. 这个子组可以帮助诊断OTB并监测治疗有效性.

关键词:
生物标志物生物标志物铁性化 (ferroptosis) 是一种巨细胞是一个巨细胞.骨关节结核病是骨关节结核病的一种疾病.我们的 scRNARNA

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科学领域:

  • 免疫学 免疫学 免疫学
  • 传染性疾病 传染性疾病
  • 基因组学就是基因组学.

背景情况:

  • 免疫细胞子集在Mycobacterium结核病 (MTB) 感染中发挥作用.
  • 参与骨关节结核病 (OTB) 的特定免疫细胞子集尚不清楚.
  • 单细胞RNA测序 (scRNA-Seq) 可以阐明免疫细胞的表型和功能.

研究的目的:

  • 用scRNA-Seq.研究OTB患者免疫细胞子集的表型和功能.
  • 确定OTB诊断和治疗监测的潜在生物标志物.

主要方法:

  • scRNA-Seq是在OTB患者的病态和健康的邻近组织上进行的.
  • 无监督集群和统一的多元近似和投影 (UMAP) 用于细胞子集的识别和可视化.
  • 免疫组织化学和流细胞测量被用来验证OTB,骨关节细菌感染 (OBI) 和健康对照 (HC) 样本中的发现.

主要成果:

  • 在OTB组织中发现了13个不同的细胞子集.
  • 在OTB组织中,巨细胞-RGS1高子集的频率显著下降,与通过铁亡的MTB易感性增加相关.
  • 在OTB组织和血液样本中降低了巨细胞-RGS1高子集频率,使OTB患者与HC和OBI患者有区别.

结论:

  • 大细胞-RGS1高子集在OTB患者中减少,并且可能随着有效治疗而增加.
  • 大细胞-RGS1高子集显示了作为OTB的诊断生物标志物的潜力.
  • 这个子组也可以作为监测OTB治疗疗效的生物标志物.