抗逆转录病毒治疗并不能预防在SIV/Mtb联合感染期间发生的肺外结核病
Collin R Diedrich1,2, Tara Rutledge1,2, Janelle L Gleim2,3
1Department of Pediatrics, Children's Hospital of Pittsburgh of the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.
JCI insight
|February 23, 2026
概括
针对艾滋病毒的抗逆转录病毒治疗 (ART) 并不能防止结核病 (TB) 在同感染的中传播. 接受ART治疗的艾滋病毒感染者仍然面临严重结核病的高风险,这凸显了进一步研究的必要性.
科学领域:
- 传染性疾病 传染性疾病
- 免疫学 免疫学 免疫学
- 病毒学 病毒学
背景情况:
- 与人类免疫缺陷病毒 (HIV) 和Mycobacterium结核病 (Mtb) 的同时感染导致传播结核病 (TB) 和更快的HIV进展.
- 抗逆转录病毒治疗 (ART) 对同感染者的严重Mtb感染的保护作用尚不清楚.
研究的目的:
- 在模型中调查类免疫缺陷病毒 (SIV) 感染的ART治疗是否会影响随后的Mtb挑战的控制.
- 为了比较SIV感染的麻雀接受ART治疗和没有接受ART治疗的麻雀在Mtb挑战后的结果.
主要方法:
- 被感染了SIV,接受了ART治疗,或接受了盐水,随后接受了低剂量Mtb接种.
- 评估了临床,PET-CT成像,总病理,病毒性,细菌负担和免疫学参数.
- 使用条形码-Mtb分析来追踪传播.
主要成果:
- 与只有结核病和SIV/ART/TB组相比,SIV-TB动物表现出更大的总病理和细菌负担.
- 尽管SIV/ART/TB的SIV复制控制和CD4计数正常,但它们的临床参数和肺外参与与SIV/TB动物相似.
- 对SIV的ART控制并没有阻止Mtb的肺外传播.
结论:
- 抑制HIV复制的ART并不能阻止Mtb的传播或严重的肺外结核病.
- 接受ART治疗的HIV感染者仍然面临扩散性和肺外结核病的高风险.
- 进一步的研究至关重要,以了解艾滋病毒/结核病共感染的肺外传播机制和疾病严重程度.
更多相关视频
07:21Processing of Bronchoalveolar Lavage Fluid and Matched Blood for Alveolar Macrophage and CD4+ T-cell Immunophenotyping and HIV Reservoir Assessment
Published on: June 23, 2019
22.5K
06:25Analysis of Simian Immunodeficiency Virus-specific CD8+ T-cells in Rhesus Macaques by Peptide-MHC-I Tetramer Staining
Published on: December 23, 2016
9.6K
相关概念视频
01:28Pulmonary Tuberculosis V
669
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...
669
01:29Pulmonary Tuberculosis I
1.1K
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...
1.1K
01:26Pulmonary Tuberculosis IV
560
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...
560
01:28Pulmonary Tuberculosis II
1.7K
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...
1.7K
01:31Pulmonary Tuberculosis III
1.2K
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:
1.2K
01:10Retrovirus Life Cycles
49.9K
Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the...
49.9K