Cited by 28Immune cells in cancerMicroRNA in disease regulationSepsis Diagnosis and Treatment

MicroRNA-223 modulates the IL-4-medicated macrophage M2-type polarization to control the progress of sepsis

Wang, Xiaoya, Zhang, Hai, Guo, Rui, Li, Xiaomin, Liu, Haixin, Wang, Zhenyu, Du, Qian, Tong, Dewen +1 more·2021·International Immunopharmacology

Abstract

MicroRNAs play a variety of roles in the progress of inflammation. Herein, we investigated the roles of miR-223 in governing macrophage polarization balance in the progress of sepsis. We firstly observed that miR-223 was down-regulated at the early phase and up-regulated at the late phase of sepsis in macrophages; the levels of miR-223 were positively correlated to the ratio of M2 macrophages during sepsis. In miR-223 knockout mice, we observed that miR-223 was dispensable for efficient pro-inflammatory responses, but was required for efficient M2-associated phenotype and function. miR-223 deletion increased clinical scores of sepsis, leading to increased mortality in septic mice. Furthermore, we found that miR-223 expression in M2-type macrophages was controlled by interleukin (IL)-4, but not IL-10; IL-4 antibodies were able to downregulate the levels of miR-223, increased the expression of targeted genes Nfat5 and Rasa1, reduced the ratio of M2 macrophages, resulting in a decreased survival rate in septic mice. Meanwhile, miR-223 deficient macrophages appeared a markedly decreased M2-type polarization when induced by IL-4, but did not affect macrophages skew to M2 phenotype induced by IL-10. Taken together, our results demonstrate that miR-223 acts as an important regulator to modulate IL-4-meditated M2-type polarization of macrophages via targeting to Nfat5 and Rasa1 to control the progress of sepsis.

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Crossref · 10.1016/j.intimp.2021.107783

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Authors
Wang, X., Zhang, H., Guo, R., Li, X., Liu, H., Wang, Z., Du, Q., Tong, D., & Huang, Y.
Affiliations
  • Northwest A&F University (CN)
  • Shaanxi University of Chinese Medicine (CN)
Corresponding author
  • Tong, Dewen
  • Huang, Yong
Venue
International Immunopharmacology
Publisher
Elsevier BV
Published
2021-07
Volume
96
Pages
107783
ISSN
1567-5769 (ISSN-L)
OpenAlex
W3172094235
Cited by
28
References
40
Citations by year
2026: 3 · 2025: 10 · 2023: 6 · 2022: 8 · 2021: 1
FWCI
1.40
Type
journal article
Language
en
Open access
closed
Locations
  • International Immunopharmacology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Fundamental Research Funds for the Central Universities
  • Shaanxi Province Key Research and Development Projects
  • National Natural Science Foundation of China
  • China Postdoctoral Science Foundation
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Health Sciences › Medicine › Epidemiology › Sepsis Diagnosis and Treatment
Keywords
miR-223, sepsis, macrophage polarization, M2 macrophages, IL-4, NFAT5, RASA1, microRNA, IL-10, sepsis mortality
MeSH terms
Animals, Macrophages, Male, Mice, Inbred C57BL, Peritoneal Cavity, Phagocytosis, Phenotype, Interleukin-4, Mice, Knockout, Sepsis, MicroRNAs, Mice, Bacterial Load

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