A unifying hypothesis on the central role of reactive oxygen species in bacterial pathogenesis and host defense in C. elegans.

A unifying hypothesis on the central role of reactive oxygen species in bacterial pathogenesis and host defense in C. elegans.
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DOI:
10.1016/j.coi.2020.08.002
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发表时间:
2021-03
影响因子:
7
通讯作者:
Irazoqui JE
Irazoqui JE
中科院分区:
医学2区
文献类型:
--
作者:
Goswamy D;Irazoqui JE

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During intestinal infection, microbes induce ROS by various mechanisms in C. elegans. ROS can have beneficial roles, acting as antimicrobials and as signaling molecules that activate cytoprotective pathways. Failure to maintain appropriate levels of ROS causes oxidative stress and cellular damage. This review uses the Damage Response Framework to interpret several recent observations on the relationships between infection, host response, and host damage, with a focus on mechanisms mediated by ROS. We propose a unifying hypothesis that ROS drive a collapse in proteostasis in infected C. elegans, which results in death during unresolved infection. Because the signaling pathways highlighted here are conserved in mammals, the mentioned and future studies can provide new tools of hypothesis generation in human health and disease.
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