Latent tuberculosis: what the host "sees"?

Latent tuberculosis: what the host "sees"?
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DOI:
10.1007/s12026-011-8229-7
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发表时间:
2011-08
影响因子:
4.4
通讯作者:
Flynn, JoAnne L.
Flynn, JoAnne L.
中科院分区:
医学4区
文献类型:
--
作者:
Gideon, Hannah P.;Flynn, JoAnne L.

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结核分枝杆菌(MTB)是结核病(TB)的病原体,是人类最成功的病原体,作为细菌性病原体导致死亡的主要原因,它仍然是对全球健康的主要威胁。然而,90-95%的结核分枝杆菌感染者在其他方面仍然健康。这些人被归类为“潜伏感染者”,但仍然是活动性结核病病例继续发展的蓄水池(“再活动性结核病”)。潜伏感染的定义是,除了对结核菌素皮肤试验中使用的结核分枝杆菌纯化蛋白衍生物有迟发性超敏反应或对结核分枝杆菌特异性抗原有t细胞反应外,没有结核的临床症状。在缺乏可靠的结核病控制措施的情况下,了解潜伏的结核分枝杆菌感染和随后的再激活是一项研究重点。本文综述了最近在人类和非人类灵长类动物结核病模型中的发现,这些发现导致了潜伏性结核病的新概念。
Mycobacterium tuberculosis (MTB), the causative agent of tuberculosis (TB), is the most successful pathogen of mankind and remains a major threat to global health as the leading cause of death due to a bacterial pathogen. Yet 90–95% of those who are infected with MTB remain otherwise healthy. These people are classified as “latently infected,” but remain a reservoir from which active TB cases will continue to develop (“reactivation tuberculosis”). Latent infection is defined by the absence of clinical symptoms of TB in addition to a delayed hypersensitivity reaction to the purified protein derivative of MTB used in tuberculin skin test or a T-cell response to MTB-specific antigens. In the absence of reliable control measures for tuberculosis, understanding latent MTB infection and subsequent reactivation is a research priority. This review aims to summarize the recent findings in human and non-human primate models of tuberculosis that have led to new concepts of latent tuberculosis.
高艾滋病毒患病率的结核病流行病学和症状疾病的诊断增加。
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