The Role of IL-17 in Protection against Mucosal Candida Infections.

The Role of IL-17 in Protection against Mucosal Candida Infections.
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DOI:
10.3390/jof3040052
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发表时间:
2017-09-27
期刊:
Journal of fungi (Basel, Switzerland)
影响因子:
--
通讯作者:
Conti HR
Conti HR
中科院分区:
其他
文献类型:
--
作者:
Mengesha BG;Conti HR

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白细胞介素-17(IL-17)是由适应性CD 4 + T辅助细胞和先天性淋巴细胞(如γδ-T细胞和TCRβ+“天然”Th 17细胞)产生的促炎细胞因子。IL-17通过IL-17受体激活信号传导,其诱导对于抗真菌活性重要的其他促炎细胞因子、抗微生物肽和中性粒细胞趋化因子。IL-17在保护性抗真菌免疫中的重要性在小鼠和人类中是明显的,其中与IL-17信号传导途径相关的各种遗传缺陷使它们对念珠菌病的形式高度敏感,例如口咽念珠菌病(OPC)或更广泛的慢性粘膜皮肤念珠菌病(CMC),两者都主要由机会性真菌病原体白色念珠菌引起。OPC常见于婴儿和老年人,艾滋病毒/艾滋病和接受化疗和/或放疗的头颈癌患者。本文综述了IL-17在预防念珠菌病中的作用,并简要讨论了非白色念珠菌真菌感染,以及阻断IL-17相关成分的治疗干预如何影响抗真菌免疫。
Interleukin-17 (IL-17) is a proinflammatory cytokine produced by adaptive CD4+ T helper cells and innate lymphocytes, such as γδ-T cells and TCRβ+ “natural” Th17 cells. IL-17 activates signaling through the IL-17 receptor, which induces other proinflammatory cytokines, antimicrobial peptides and neutrophil chemokines that are important for antifungal activity. The importance of IL-17 in protective antifungal immunity is evident in mice and humans, where various genetic defects related to the IL-17-signaling pathway render them highly susceptible to forms of candidiasis such oropharyngeal candidiasis (OPC) or more broadly chronic mucocutaneous candidiasis (CMC), both caused mainly by the opportunistic fungal pathogen Candida albicans. OPC is common in infants and the elderly, HIV/AIDS and patients receiving chemotherapy and/or radiotherapy for head and neck cancers. This review focuses on the role of IL-17 in protection against candidiasis, and includes a brief discussion of non-Candida albicans fungal infections, as well as how therapeutic interventions blocking IL-17-related components can affect antifungal immunity.
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