Cited by 9Probiotics and Fermented FoodsImmune Response and InflammationPlant-Microbe Interactions and Immunity

Immunomodulatory mechanism of Bacillus subtilis R0179 in RAW 264.7 cells against Candida albicans challenge

Zhao, Weiwei, Wang, Xu, Zhao, Chen, Yan, Zhimin·2021·Microbial Pathogenesis

Abstract

This study was aimed to explore the immunomodulatory and anti-Candida mechanisms of Bacillus subtilis (B. subtilis) R0179 in macrophages. RAW 264.7 cells were first challenged with B. subtilis R0179. B. subtilis R0179 was found to down-regulate the signals of Dectin-1, Card9, P-Iκ-Bα, Iκ-Bα, and NF-κB. Meanwhile, it reduced the levels of cytokines interleukin (IL)-1β, IL-6, IL-12, and tumor necrosis factor (TNF)-α, but increased the level of cytokine IL-10. Then RAW 264.7 cells were pretreated with B. subtilis R0179 before challenged with Candida albicans (C. albicans) or RAW 264.7 cells were co-treated with B. subtilis R0179 and C. albicans. In the presence of C. albicans, B. subtilis R0179 also showed the similar immunomodulatory effects on RAW 264.7 cells. Hence, this study provides the first insight into the immunomodulatory mechanisms of B. subtilis R0179 on the Dectin-1-related downstream signaling pathways in macrophages, which may prevent tissue damage caused by excessive pro-inflammatory response during the infection of C. albicans.

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Crossref · 10.1016/j.micpath.2021.104988

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Authors
Zhao, W., Wang, X., Zhao, C., & Yan, Z.
Affiliations
Peking University (CN)
Corresponding author
Yan, Zhimin
Venue
Microbial Pathogenesis
Publisher
Elsevier BV
Published
2021-08
Volume
157
Pages
104988
ISSN
0882-4010 (ISSN-L)
OpenAlex
W3164915648
Cited by
9
References
57
Citations by year
2026: 1 · 2025: 2 · 2024: 2 · 2023: 2 · 2022: 2
FWCI
0.90
Type
journal article
Language
en
Open access
closed
Locations
  • Microbial Pathogenesis (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant-Microbe Interactions and Immunity
Keywords
Candida albicans, immunomodulation, macrophages, RAW 264.7 macrophages, CARD9, NF-κB signaling, inflammatory cytokines, IL-10, antifungal immunity, pro-inflammatory response
MeSH terms
RAW 264.7 Cells, Animals, Bacillus subtilis, Candida albicans, Immunity, Tumor Necrosis Factor-alpha, NF-kappa B, Mice, CARD Signaling Adaptor Proteins

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