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240426s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.clim.2024.110226
|2 doi
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|a pubmed24n1411.xml
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|a eng
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| 100 |
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|a Xu, Wenlong
|e verfasserin
|4 aut
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|a Streptococcus pneumoniae endopeptidase O induces trained immunity and confers protection against various pathogenic infections
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 17.05.2024
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|a Date Revised 17.05.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.
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|a Antibiotic resistance and the surge of infectious diseases during the pandemic present significant threats to human health. Trained immunity emerges as a promising and innovative approach to address these infections. Synthetic or natural fungal, parasitic and viral components have been reported to induce trained immunity. However, it is not clear whether bacterial virulence proteins can induce protective trained immunity. Our research demonstrates Streptococcus pneumoniae virulence protein PepO, is a highly potent trained immunity inducer for combating broad-spectrum infection. Our findings showcase that rPepO training confers robust protection to mice against various pathogenic infections by enhancing macrophage functionality. rPepO effectively re-programs macrophages, re-configures their epigenetic modifications and bolsters their immunological responses, which is independent of T or B lymphocytes. In vivo and in vitro experiments confirm that trained macrophage-secreted complement C3 activates peritoneal B lymphocyte and enhances its bactericidal capacity. In addition, we provide the first evidence that granulocyte colony-stimulating factor (G-CSF) derived from trained macrophages plays a pivotal role in shaping central-trained immunity. In summation, our research demonstrates the capability of rPepO to induce both peripheral and central trained immunity in mice, underscoring its potential application in broad-spectrum anti-infection therapy. Our research provides a new molecule and some new target options for infectious disease prevention
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|a Journal Article
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|a B lymphocyte
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|a G-CSF
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|a Macrophage
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|a Streptococcus pneumoniae endopeptidase O(PepO)
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|a Trained immunity
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|a Yuan, Yuan
|e verfasserin
|4 aut
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| 700 |
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|a Shu, Zhaoche
|e verfasserin
|4 aut
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| 700 |
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|a Guo, Ting
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Bichen
|e verfasserin
|4 aut
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| 700 |
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|a Xiao, Jiangming
|e verfasserin
|4 aut
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| 700 |
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|a Li, Lian
|e verfasserin
|4 aut
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| 700 |
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|a Yin, Yibin
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Xuemei
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Clinical immunology (Orlando, Fla.)
|d 1999
|g 263(2024) vom: 23. Mai, Seite 110226
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|x 1521-7035
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|g volume:263
|g year:2024
|g day:23
|g month:05
|g pages:110226
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|u http://dx.doi.org/10.1016/j.clim.2024.110226
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