PUBLICATION

Ectopically Expressed IL-34 Can Efficiently Induce Macrophage Migration to the Liver in Zebrafish

Authors
Jiang, Y., Chen, J., Yen, K., Xu, J.
ID
ZDB-PUB-190207-6
Date
2019
Source
Zebrafish   16(2): 165-170 (Journal)
Registered Authors
Chen, Jiahao, Jiang, Yunyun, Xu, Jin
Keywords
IL-34, macrophage, migration, zebrafish
MeSH Terms
  • Animals
  • Cell Movement/genetics*
  • Ectopic Gene Expression/physiology*
  • Interleukins/genetics*
  • Interleukins/metabolism
  • Liver/physiology
  • Macrophages/physiology*
  • Zebrafish/genetics
  • Zebrafish/physiology*
  • Zebrafish Proteins/genetics*
  • Zebrafish Proteins/metabolism
PubMed
30724719 Full text @ Zebrafish
Abstract
Interleukin-34 (IL-34) is a known cytokine that plays an important role in the survival, proliferation, and differentiation of macrophages. In previous studies, IL-34 can induce macrophage migration through syndecan-1 or focal adhesion kinase and extracellular signal-related kinase 1 and 2 pathway. These studies mainly focused on in vitro experiments, but the effect of IL-34 on macrophage migration in vivo is less understood. In our study, we artificially induced macrophage, but not neutrophil, enrichment in the skin or liver by overexpressing IL-34 in epidermal cells or hepatocytes in zebrafish. Live imaging showed that the enrichment of macrophages in the liver is due to the direct attraction of macrophages by IL-34. Our results demonstrated that ectopically expressed IL-34 can induce macrophage migration to liver in vivo.
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