Pathophysiology of endotoxin tolerance: mechanisms and clinical consequences.

Pathophysiology of endotoxin tolerance: mechanisms and clinical consequences.
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DOI:
10.1186/cc13110
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发表时间:
2013-11-14
期刊:
Critical care (London, England)
影响因子:
--
通讯作者:
del Fresno C
del Fresno C
中科院分区:
其他
文献类型:
--
作者:
López-Collazo E;del Fresno C

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在一项将动物暴露于亚致死剂量的细菌内毒素的研究中,首次描述了内毒素耐受性。这些动物随后在注射了致命的内毒素后存活了下来。这种难治性状态与先天免疫系统有关,特别是单核细胞和巨噬细胞,它们是主要的参与者。内毒素耐受性的控制涉及多种机制;然而,对这一现象的全面理解仍然难以捉摸。最近的一些报告表明,内毒素耐受的临床例子不仅包括败血症,还包括囊性纤维化和急性冠状动脉综合征等疾病。在这些病理中,新感染的风险与难治性状态相关。本文综述了各种病理中内毒素耐受的分子基础和临床意义。
Endotoxin tolerance was first described in a study that exposed animals to a sublethal dose of bacterial endotoxin. The animals subsequently survived a lethal injection of endotoxin. This refractory state is associated with the innate immune system and, in particular, with monocytes and macrophages, which act as the main participants. Several mechanisms are involved in the control of endotoxin tolerance; however, a full understanding of this phenomenon remains elusive. A number of recent reports indicate that clinical examples of endotoxin tolerance include not only sepsis but also diseases such as cystic fibrosis and acute coronary syndrome. In these pathologies, the risk of new infections correlates with a refractory state. This review integrates the molecular basis and clinical implications of endotoxin tolerance in various pathologies.
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发表时间: 2006
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影响因子: --
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