Exploring the relationship between environmental enteric dysfunction and oral vaccine responses.

Exploring the relationship between environmental enteric dysfunction and oral vaccine responses.
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DOI:
10.2217/fmb-2018-0016
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发表时间:
2018-07
影响因子:
3.1
通讯作者:
Prendergast AJ
Prendergast AJ
中科院分区:
生物学3区
文献类型:
--
作者:
Church JA;Parker EP;Kosek MN;Kang G;Grassly NC;Kelly P;Prendergast AJ

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口服疫苗在低收入国家的表现明显落后。一个可能的促成因素是环境肠功能障碍(EED),这是生活在贫困中的儿童的一种小肠结构和功能的亚临床疾病。在这里,我们回顾了有关口服疫苗反应和EED的研究。我们确定了8项评估EED和口服疫苗反应的研究。研究设计存在很大的异质性,很少出现一致的趋势。四项研究报告了EED与口服疫苗应答之间的负相关;2个无显著相关性;两个描述了正相关。因此,目前的证据不足以确定EED是否导致口服疫苗表现不佳。我们确定了该领域的障碍和未来的研究需求,包括精心设计的研究,这些研究可以进一步调查这一假设。
Oral vaccines significantly underperform in low-income countries. One possible contributory factor is environmental enteric dysfunction (EED), a subclinical disorder of small intestinal structure and function among children living in poverty. Here, we review studies describing oral vaccine responses and EED. We identified eight studies evaluating EED and oral vaccine responses. There was substantial heterogeneity in study design and few consistent trends emerged. Four studies reported a negative association between EED and oral vaccine responses; two showed no significant association; and two described a positive correlation. Current evidence is therefore insufficient to determine whether EED contributes to oral vaccine underperformance. We identify roadblocks in the field and future research needs, including carefully designed studies those can investigate this hypothesis further.
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