The role of myeloid cells in prevention and control of group A streptococcal infections

The role of myeloid cells in prevention and control of group A streptococcal infections
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骨髓细胞在预防和控制A族链球菌感染中的作用

DOI:
10.1016/j.bsheal.2020.05.006
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发表时间:
2020
影响因子:
--
通讯作者:
Takahashi Y.
Takahashi Y.
中科院分区:
--
文献类型:
--
作者:
Matsumura T;Takahashi Y.

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化脓性链球菌(GAS;Streptococcus pyogenes)是人类病原体中最广泛的细菌之一。非侵入性气体感染可引起常见疾病,如咽炎和脓疱疮。严重的侵袭性气体感染可导致快速进展和危及生命的表现,包括坏死性筋膜炎和链球菌中毒性休克综合征,死亡率高达30%至70%。因此,GAS也被称为“杀手微生物”或“食肉细菌”。在严重的侵袭性GAS感染期间,先天免疫反应的细胞成分的衰减阻碍了抗菌免疫。然而,这种保护的丧失是由产生干扰素γ的未成熟骨髓细胞弥补的,这些细胞在小鼠模型中严重侵袭性GAS感染时被招募。在这篇综述中,我们讨论和总结了目前关于产生干扰素γ的髓细胞和其他髓细胞在预防和控制严重侵袭性GAS感染中的作用的知识。
Group AStreptococcus(GAS;Streptococcus pyogenes) is one of the most versatile bacteria among human pathogens. Non-invasive GAS infections can cause common diseases, such as pharyngitis and impetigo. Severe invasive GAS infections can lead to rapid progressive and life-threatening manifestations, including necrotizing fasciitis and streptococcal toxic shock syndrome with high mortality rates ranging from 30% to 70%. Therefore, GAS is also known as "killer microbes" or "flesh-eating bacteria" . During severe invasive GAS infections, anti-bacterial immunity is impeded by attenuation of the cellular components of innate immune responses. However, this loss of protection is compensated for by interferon-γ-producing immature myeloid cells, which are recruited upon severe invasive GAS infections in mouse models. In this review, we discuss and summarize the current knowledge on the role of interferon-γ-producing myeloid cells and other myeloid cells in the prevention and control of severe invasive GAS infections.
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发表时间: 1996-08-22
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