Inflammation and gastrointestinal Candida colonization.

Inflammation and gastrointestinal Candida colonization.
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DOI:
10.1016/j.mib.2011.07.015
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发表时间:
2011-08
影响因子:
5.4
通讯作者:
Kumamoto, Carol A.
Kumamoto, Carol A.
中科院分区:
生物学2区
文献类型:
--
作者:
Kumamoto, Carol A.

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念珠菌属生物体通常作为常驻微生物群的组成部分定殖于人类胃肠道。它们的存在通常是良性的。然而,最近的研究表明,高水平的念珠菌定植与几种胃肠道疾病有关。此外,来自动物模型的结果认为念珠菌定植延迟炎性病变的愈合,并且炎症促进定植。这些影响可能会产生一个恶性循环,其中低水平的炎症促进真菌定植,真菌定植促进进一步的炎症。炎症性肠病和胃肠道念珠菌定植都与促炎细胞因子IL-17水平升高相关。因此,对IL-17水平的影响可能是念珠菌定植增强炎症的能力的基础。由于念珠菌是一种常见的殖民者,这些影响有可能影响许多人。
Candida organisms commonly colonize the human gastrointestinal tract as a component of the resident microbiota. Their presence is generally benign. Recent studies, however, show that high level Candida colonization is associated with several diseases of the gastrointestinal tract. Further, results from animal models argue that Candida colonization delays healing of inflammatory lesions and that inflammation promotes colonization. These effects may create a vicious cycle in which low-level inflammation promotes fungal colonization and fungal colonization promotes further inflammation. Both inflammatory bowel disease and gastrointestinal Candida colonization are associated with elevated levels of the pro-inflammatory cytokine IL-17. Therefore, effects on IL-17 levels may underlie the ability of Candida colonization to enhance inflammation. Because Candida is a frequent colonizer, these effects have the potential to impact many people.
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