Selective induction of the β chemokine C10 by IL-4 in mouse macrophages

Amos Orlofsky, Elaine Y. Lin, Michael B. Prystowsky

Research output: Contribution to journalArticle

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Abstract

The β chemokines are a family of 8- to 12-kDa leukocyte chemoattractants that are typically produced by activated macrophages or lymphocytes. We examined the expression in primary macrophages of a recently described, and as yet functionally uncharacterized, murine β chemokine, C10, and contrasted its regulation with that of several other β chemokines. Although three other β chemokines, macrophage inflammatory protein-1α (MIP-1α), JE, and RANTES, were all induced by LPS treatment of bone marrow-derived macrophages (BMM) and/or resident peritoneal macrophages (RPM), LPS stimulation of C10 was never observed. Conversely, IL-3 and granulocyte macrophage-CSF (GM-CSF) strongly induced C10 in both macrophage populations, whereas MIP-1α and RANTES showed a weaker induction restricted to BMM. JE was strongly induced but only in BMM. Finally, IL-4 strongly induced C10 in a dose-dependent manner in both BMM and RPM but failed to stimulate any of the other three β chemokines. The accumulation of C10 protein in culture supernatants paralleled the induction of mRNA, and the combination of IL-4 and GM-CSF led to enhanced protein levels. The expression of the C10 message in response to cytokines was completely blocked by cycloheximide, whereas the other three chemokines were all overexpressed in the presence of this inhibitor. These results demonstrate a sharp divergence between the regulation of C10 expression and that of other chemokines and suggest that this molecule may have distinct functions in host defense.

Original languageEnglish (US)
Pages (from-to)5084-5091
Number of pages8
JournalJournal of Immunology
Volume152
Issue number10
StatePublished - May 15 1994

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Chemokines
Interleukin-4
Macrophages
Macrophage Inflammatory Proteins
Chemokine CCL5
Peritoneal Macrophages
Granulocytes
Interleukin-3
Chemotactic Factors
Cycloheximide
Proteins
Leukocytes
Lymphocytes
Cytokines
Messenger RNA
Population

ASJC Scopus subject areas

  • Immunology

Cite this

Selective induction of the β chemokine C10 by IL-4 in mouse macrophages. / Orlofsky, Amos; Lin, Elaine Y.; Prystowsky, Michael B.

In: Journal of Immunology, Vol. 152, No. 10, 15.05.1994, p. 5084-5091.

Research output: Contribution to journalArticle

Orlofsky, Amos ; Lin, Elaine Y. ; Prystowsky, Michael B. / Selective induction of the β chemokine C10 by IL-4 in mouse macrophages. In: Journal of Immunology. 1994 ; Vol. 152, No. 10. pp. 5084-5091.
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