Title: Interleukin-17 regulates chemokine and gelatinase B expression in fibroblasts to recruit both neutrophils and monocytes
Authors: Qiu, Zheng ×
Dillen, Chris
Hu, Jialiang
Verbeke, Hannelien
Struyf, Sofie
Van Damme, Jozef
Opdenakker, Ghislain #
Issue Date: Sep-2009
Publisher: Fischer
Series Title: Immunobiology vol:214 issue:9-10 pages:835-42
Abstract: Interleukin 17 (IL-17) is a proinflammatory cytokine, produced only by activated lymphocytes, but with a broad cellular host range. The effects of IL-17 on fibroblasts were investigated by analysis of the induction of chemokine and matrix metalloprotease (MMP) mRNA levels by RT-PCR. IL-17 stimulated CC chemokine (monocyte chemotactic protein-1; MCP-1/JE) and CXC (KC, MIP-2) chemokine and TIMP-1 mRNA expression in fibroblastoid L929 cells. In normal mouse embryonic fibroblasts (MEF) this induction profile by IL-17 was extended with the mRNAs encoding the chemokine granulocyte chemotactic protein-2 (GCP-2) and the proteases MMP-3, MMP-9 and MMP-13. The MMP-9 and GCP-2 induction by IL-17 in MEF, and the absence of induction in L929 cells, were corroborated by gelatin zymography and ELISA, respectively. The induction of MCP-1/CCL2 by IL-17 was confirmed in human diploid fibroblasts. We conclude that IL-17 regulates differentially chemokine and MMP expression by normal and transformed fibroblasts and is indirectly capable of attracting both monocytes and neutrophils to the inflammatory focus.
ISSN: 0171-2985
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Laboratory of Immunobiology (Rega Institute)
Laboratory of Molecular Immunology (Rega Institute)
× corresponding author
# (joint) last author

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