A rapid IL-17 response to Cryptosporidium parvum in the bovine intestine.

A rapid IL-17 response to Cryptosporidium parvum in the bovine intestine.
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DOI:
10.1016/j.vetimm.2017.07.009
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发表时间:
2017-09
影响因子:
1.8
通讯作者:
Flynn RJ
Flynn RJ
中科院分区:
农林科学3区
文献类型:
--
作者:
Drinkall E;Wass MJ;Coffey TJ;Flynn RJ

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隐孢子虫在全球范围内引起家畜和人类腹泻,原因是绒毛受损。免疫力在反复感染后发展,但初始感染可能很严重,突出了早期感染动力学的重要性。我们已经模拟了早期的C。牛空肠活检中的细小病毒感染。IL-17 A随时间积累,在感染后9小时达到峰值,感染对IL-1β没有影响;抗生素对IL-17 A有积极影响,因为在含抗生素的培养物中发现了更高的水平。当用IL-17 A致敏成纤维细胞时,原代成纤维细胞的感染导致较低的斑块形成。我们的结果表明IL-17 A在降低C.寄生虫依赖的宿主细胞损伤。
Cryptosporidium parvum causes diarrhoea, due to villi damage, in livestock and humans globally. Immunity develops after repeated infections but initial infections can be severe, highlighting the importance of early infection dynamics. We have modelled early C. parvum infection in bovine jejunum biopsies. IL-17A accumulated over time peaking at 9 h post-infection, with no effect of infection on IL-1β; antibiotics positively influenced IL-17A as higher levels were found in cultures with antibiotics. Infection of primary fibroblasts resulted in lower plaque formation when fibroblasts were primed with IL-17A. Our results indicate a role for IL-17A in reducing C. parvum-dependent host cell damage.
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