相关实验视频
Updated: Jan 9, 2026

08:01
The Soft Agar Colony Formation Assay
Published on: October 27, 2014
113.5K
在肺结核病中WNT信号基因甲基化的诊断潜力
Hua Wang1, Chao-Cai Wang2, Qian Huang3,4
1Department of tuberculosis, Anhui Chest Hospital, Hefei, Anhui, China.
Frontiers in immunology
|December 4, 2025
概括
在肺结核 (PTB) 患者中,WNT通路基因的DNA甲基化水平发生变化. 在SFRP1,WNT3A,CTNNB1,DKK-1和LRP6中甲基化降低可能作为PTB诊断的潜在生物标志物.
科学领域:
- 遗传学 遗传学是一种遗传学.
- 分子生物学分子生物学
- 医学诊断 医学诊断 医学诊断
背景情况:
- WNT信号通路与肺结核病理生理学有关.
- WNT通路基因的异常DNA甲基化可能会影响PTB易感性和进展.
研究的目的:
- 研究特定WNT信号通路基因的DNA甲基化水平与PTB之间的关联.
- 评估这些甲基化水平作为PTB诊断生物标志物的潜力.
主要方法:
- 使用MethylTarget技术分析了98名PTB患者和96名对照者的血液样本中WNT通路基因 (SFRP1,WNT3A,CTNNB1,WIF-1,DKK-1,LRP5,LRP6) 的DNA甲基化水平.
- 评估了甲基化水平和临床特征之间的相关性.
主要成果:
- 与对照组相比,在PTB患者中观察到SFRP1,WNT3A,CTNNB1,DKK-1和LRP6的甲基化水平显著降低.
- SFRP1甲基化与药物诱导的肝损伤和肺部感染相关;WNT3A和CTNNB1甲基化与药物耐药性和发烧相关.
- CTNNB1甲基化显示了最高的诊断值 (AUC=0.706),组合面板提供轻微改善 (AUC=0.710).
结论:
- 减少SFRP1,WNT3A,CTNNB1,DKK-1和LRP6的DNA甲基化与PTB有关.
- 这些甲基化模式,单独或在面板中,显示出作为PTB的诊断生物标志物的潜力.
相关概念视频
Pulmonary Tuberculosis IV
468
Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
468
Canonical Wnt Signaling Pathway
10.3K
The gene encoding the main signaling molecules of the Wnt signaling pathways (the Wnt proteins) was discovered almost four decades ago by Nüsslein-Volhard and Wieschaus. They identified and originally named the gene "wingless" (wg) after a phenotype discovered during their landmark genetic screen in Drosophila for body pattern defects. At around the same time, another researcher named Harold Varmus found that a murine tumor virus activates the mammalian wg homolog, Int-1, which...
10.3K
Pulmonary Tuberculosis III
899
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:
The first classification is based on the development of the disease, and it includes the following categories:
899
Pulmonary Tuberculosis II
1.3K
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...
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...
1.3K
Pulmonary Tuberculosis I
806
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...
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...
806
Pulmonary Tuberculosis V
527
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...
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...
527

