Regulation of BSF-2/IL-6 production by human mononuclear cells: Macrophage-dependent synthesis of BSF-2/IL-6 by T cells

Y. Horii, A. Muraguchi, S. Suematsu, T. Matsuda, K. Yoshizaki, T. Hirano, T. Kishimoto

Research output: Contribution to journalArticlepeer-review

305 Scopus citations

Abstract

Regulation of BSF-2/IL-6 production in peripheral mononuclear cells (MNC) was studied. BSF-2 mRNA expression in mitogen-stimulated MNC showed a biphasic response, the first peak around 4 h and the second peak around 48 h. This was caused by different kinetics of BSF-2 mRNA expression in distinct subpopulations of MNC; MΦ expressed BSF-2 mRNA at 5 h in the absence of any stimulation, and mitogen-stimulated T cells and B cells expressed BSF-2 mRNA 48 h after stimulation. Immunohistochemical staining of the cells with anti-BSF-2 antibody demonstrated that macrophages, T cells and B cells could produce BSF-2. T cells in peripheral MNC produced BSF-2 in the presence of MΦ. The requirement of macrophage for BSF-2 production in T cells could be replaced by TPA but not by IL-1 or BSF-2.

Original languageEnglish
Pages (from-to)1529-1535
Number of pages7
JournalJournal of Immunology
Volume141
Issue number5
StatePublished - 1988

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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