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Renal CD169++ resident macrophages are crucial for protection against acute systemic candidiasis.


ABSTRACT: Disseminated candidiasis remains as the most common hospital-acquired bloodstream fungal infection with up to 40% mortality rate despite the advancement of medical and hygienic practices. While it is well established that this infection heavily relies on the innate immune response for host survival, much less is known for the protective role elicited by the tissue-resident macrophage (TRM) subsets in the kidney, the prime organ for Candida persistence. Here, we describe a unique CD169++ TRM subset that controls Candida growth and inflammation during acute systemic candidiasis. Their absence causes severe fungal-mediated renal pathology. CD169++ TRMs, without being actively involved in direct fungal clearance, increase host resistance by promoting IFN-? release and neutrophil ROS activity.

SUBMITTER: Teo YJ 

PROVIDER: S-EPMC7918719 | biostudies-literature | 2021 May

REPOSITORIES: biostudies-literature

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Renal CD169<sup>++</sup> resident macrophages are crucial for protection against acute systemic candidiasis.

Teo Yi Juan YJ   Ng See Liang SL   Mak Keng Wai KW   Setiagani Yolanda Aphrilia YA   Chen Qi Q   Nair Sajith Kumar SK   Sheng Jianpeng J   Ruedl Christiane C  

Life science alliance 20210219 5


Disseminated candidiasis remains as the most common hospital-acquired bloodstream fungal infection with up to 40% mortality rate despite the advancement of medical and hygienic practices. While it is well established that this infection heavily relies on the innate immune response for host survival, much less is known for the protective role elicited by the tissue-resident macrophage (TRM) subsets in the kidney, the prime organ for <i>Candida</i> persistence. Here, we describe a unique CD169<sup  ...[more]

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