C. albicans colonization of human mucosal surfaces.

C. albicans colonization of human mucosal surfaces.
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DOI:
10.1371/journal.pone.0002067
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发表时间:
2008-04-30
期刊:
影响因子:
3.7
通讯作者:
Davis, Dana A.
Davis, Dana A.
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Southern, Peter;Horbul, Julie;Maher, Diane;Davis, Dana A.

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白色念珠菌是一种在正常人群中低水平共生的微生物,具有持续扩展和引起一系列临床症状的潜力。利用体外人体器官培养和原代人类细胞群,我们已经开发了几个相关的实验系统来检查白色念珠菌和粘膜表面之间的早期相互作用。已经用外源性添加的白色念珠菌和公开正常的人类粘膜表面进行了实验,以支持先前存在的对自然分离株的感染。在不同的培养条件下,我们演示了白念珠菌在人类靶细胞上形成的菌落和细丝的形成,相当于组织的侵袭。这些器官培养系统为研究念珠菌在人粘膜表面定植的分子和细胞基础提供了有价值的新资源。
Candida albicans is a low level commensal organism in normal human populations with the continuous potential to expand and cause a spectrum of clinical conditions. Using ex vivo human organ cultures and populations of primary human cells, we have developed several related experimental systems to examine early-stage interactions between C. albicans and mucosal surfaces. Experiments have been conducted both with exogenously added C. albicans and with overtly normal human mucosal surfaces supporting pre-existing infections with natural isolates of Candida. Under different culture conditions, we have demonstrated the formation of C. albicans colonies on human target cells and filament formation, equivalent to tissue invasion. These organ culture systems provide a valuable new resource to examine the molecular and cellular basis for Candida colonization of human mucosal surfaces.
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