A small secreted protein triggers a TLR2/4-dependent inflammatory response during invasive Candida albicans infection
A small secreted protein triggers a TLR2/4-dependent inflammatory response during invasive Candida albicans infection
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一种小分泌蛋白在侵袭性白色念珠菌感染过程中触发 TLR2/4 依赖性炎症反应
DOI:
10.1038/s41467-019-08950-3
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发表时间:
2019-03
影响因子:
16.6
通讯作者:
Hui Xiao
中科院分区:
文献类型:
--
作者:
Hui Xiao
Candida albicans can switch from commensal to pathogenic mode, causing mucosal or disseminated candidiasis. The host relies on pattern-recognition receptors including Toll-like receptors (TLRs) and C-type lectin receptors (CLRs) to sense invading fungal pathogens and launch immune defense mechanisms. However, the complex interplay between fungus and host innate immunity remains incompletely understood. Here we report that C. albicans upregulates expression of a small secreted cysteine-rich protein Sel1 upon encountering limited nitrogen and abundant serum. Sel1 activates NF-κB and MAPK signaling pathways, leading to expression of proinflammatory cytokines and chemokines. Comprehensive genetic and biochemical analyses reveal both TLR2 and TLR4 are required for the recognition of Sel1. Further, SEL1-deficient C. albicans display an impaired immune response in vivo, causing increased morbidity and mortality in a bloodstream infection model. We identify a critical component in the Candida-host interaction that opens a new avenue to tackle Candida infection and inflammation.
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DOI:
10.1093/jac/dki089
发表时间:
2005-05
期刊:
The Journal of antimicrobial chemotherapy
影响因子:
--
作者:
H. Sigle;S. Thewes;M. Niewerth;H. Korting;M. Schäfer-Korting;B. Hube
通讯作者:
H. Sigle;S. Thewes;M. Niewerth;H. Korting;M. Schäfer-Korting;B. Hube
DOI:
10.1084/jem.189.11.1777
发表时间:
1999-06-07
期刊:
The Journal of experimental medicine
影响因子:
--
作者:
Shimazu R;Akashi S;Ogata H;Nagai Y;Fukudome K;Miyake K;Kimoto M
通讯作者:
Kimoto M
影响因子:
64.5
作者:
Zanoni I;Ostuni R;Marek LR;Barresi S;Barbalat R;Barton GM;Granucci F;Kagan JC
通讯作者:
Kagan JC
影响因子:
6.7
作者:
Citiulo F;Jacobsen ID;Miramón P;Schild L;Brunke S;Zipfel P;Brock M;Hube B;Wilson D
通讯作者:
Wilson D
影响因子:
5.6
作者:
Kim, Ki-Tae;Jeon, Jongbum;Lee, Yong-Hwan
通讯作者:
Lee, Yong-Hwan