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在幽门螺杆菌和寄生虫感染的背景下,结核感染的免疫反应。

The immune response to tuberculosis infection in the setting of Helicobacter pylori and helminth infections.

机构信息

Stanford University School of Medicine, Division of Infectious Diseases and Geographic Medicine, Stanford, CA, USA.

出版信息

Epidemiol Infect. 2013 Jun;141(6):1232-43. doi: 10.1017/S0950268812001823. Epub 2012 Sep 7.


DOI:10.1017/S0950268812001823
PMID:22954328
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3785541/
Abstract

We screened 176 healthy, adult (aged 18-55 years) US refugees from tuberculosis (TB)-endemic countries to evaluate whether cytokine responses to latent TB infection (LTBI) are modified in the setting of concurrent H. pylori and helminth infection. As measured by the Quantiferon-TB GOLD interferon-γ release assay, a total 38 (22%) subjects had LTBI, of which 28 (74%) also were H. pylori seropositive and/or helminth infected. Relative to ten subjects with LTBI only, 16 subjects with concurrent H. pylori infection had significantly elevated levels of IFN-γ, and nine subjects with both H. pylori and helminth infection had significantly elevated levels of IFN-γ, IL-2, IL-13, and IL-5. H. pylori is associated with enhanced IFN-γ responses to TB, even in the setting of concurrent helminth infection. Efficacy of TB vaccines may vary with the co-existence of these three infections in the developing world.

摘要

我们筛查了 176 名来自结核病(TB)流行国家的健康成年(18-55 岁)美国难民,以评估在同时存在 H. pylori 和寄生虫感染的情况下,针对潜伏性结核感染(LTBI)的细胞因子反应是否会发生变化。通过 Quantiferon-TB GOLD 干扰素-γ释放检测,共有 38 名(22%)受试者存在 LTBI,其中 28 名(74%)受试者同时 H. pylori 血清阳性和/或寄生虫感染。与仅存在 LTBI 的 10 名受试者相比,16 名同时存在 H. pylori 感染的受试者的 IFN-γ 水平显著升高,9 名同时存在 H. pylori 和寄生虫感染的受试者的 IFN-γ、IL-2、IL-13 和 IL-5 水平也显著升高。即使在同时存在寄生虫感染的情况下,H. pylori 也与对 TB 的增强 IFN-γ 反应有关。在发展中国家,TB 疫苗的疗效可能会因这三种感染同时存在而有所不同。

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本文引用的文献

[1]
Understanding latent tuberculosis: the key to improved diagnostic and novel treatment strategies.

Drug Discov Today. 2011-12-20

[2]
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PLoS One. 2011-11-29

[3]
BCG vaccination induces different cytokine profiles following infant BCG vaccination in the UK and Malawi.

J Infect Dis. 2011-10-1

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Diversity and dialogue in immunity to helminths.

Nat Rev Immunol. 2011-6

[5]
Clinical application and limitations of interferon-gamma release assays for the diagnosis of latent tuberculosis infection.

Clin Infect Dis. 2011-4-15

[6]
The impact of mucosal infections on acquisition and progression of tuberculosis.

Mucosal Immunol. 2011-3-16

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IL-17 and Th17 cells in tuberculosis.

Cytokine Growth Factor Rev. 2010-11-12

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The immune system and the gut microbiota: friends or foes?

Nat Rev Immunol. 2010-10

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Understanding latent tuberculosis: a moving target.

J Immunol. 2010-7-1

[10]
Infection with Helicobacter pylori is associated with protection against tuberculosis.

PLoS One. 2010-1-20

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