Adrenergic regulation of bacterial virulence.

Adrenergic regulation of bacterial virulence.
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细菌毒力的肾上腺素调节。

DOI:
10.1086/513281
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发表时间:
2007
期刊:
The Journal of infectious diseases
影响因子:
--
通讯作者:
Sperandio,Vanessa
Sperandio,Vanessa
中科院分区:
--
文献类型:
--
作者:
Waldor,MatthewK;Sperandio,Vanessa

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在大多数传染病的发生过程中,病原体与宿主之间存在复杂的相互作用。微生物感知宿主环境并产生毒素等因素,这些因素通常会促进它们的生长,并经常导致宿主出现症状。宿主感知微生物并以各种方式作出反应,例如激活先天免疫反应,以消除病原体。微生物感知宿主分子来触发毒力因子的产生,人们对宿主分子的了解甚少。近年来越来越多的观察表明,宿主肾上腺素能激动剂如去甲肾上腺素(NE)可促进肠出血性大肠杆菌(EHEC)的毒力[1-4]。在这一期的Journal上,Nakano等人发表了一篇有趣的论文,表明另一种肠道病原体副溶血性弧菌的致病性也被NE增强。
Complex interactions between pathogen and host occur during the course of most infectious diseases. Microbes sense the host environment and produce factors, such as toxins, that usually promote their growth and often lead to symptoms in the host. Hosts sense the microbe and respond in various ways, such as activation of the innate immune response, to eliminate the pathogen. The host molecules that microbes sense to trigger production of virulence factors are poorly understood. Accumulating observations made in the past few years suggest that host adrenergic agonists like norepinephrine (NE) can promote the virulence of enterohemorrhagic Escherichia coli (EHEC)[1–4]. In this issue of the Journal, there is an intriguing paper by Nakano et al.[5] that shows that the pathogenicity of another enteric pathogen, Vibrio parahaemolyticus, is also augmented by NE.
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