Stimulation of interleukin-6 production by corticotropin-releasing factor

Sy Jye Christine Leu, Vijendra K. Singh

Research output: Contribution to journalArticle

79 Citations (Scopus)

Abstract

Based on the immune-modulating properties of corticotropin-releasing factor (CRF), the effect of this peptide for interIeukin-6 (IL-6) production was investigated. Using human peripheral blood mononuclear cells (MNC), the amount of bioactive IL-6 produced was significantly (P ≤ 0.05) increased by CRF (10-10 to 10-7 M range). However, the IL-6 production of lipopolysac-charide-treated MNC cultures was not modified. At concentrations of ≥ 10 nM, CRF and two analogous peptides (Tyr-CRF and α-helical CRF) elicited 16- to 21-fold stimulation of IL-6 production by MNC. Purified monocytes, but not purified lymphocytes, were the cells that responded to CRF action exhibiting nearly 19-fold stimulation at 100 nM concentration. The CRF-induced production of IL-6 cytokine by peripheral blood MNC may suggest a messenger role for this neurohormone in the feedback control of neuroendocrine-immune circuitry.

Original languageEnglish
Pages (from-to)220-227
Number of pages8
JournalCellular Immunology
Volume143
Issue number1
DOIs
Publication statusPublished - 1992
Externally publishedYes

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Corticotropin-Releasing Hormone
Interleukin-6
Blood Cells
Peptides
Neurotransmitter Agents
Monocytes
Cell Culture Techniques
Lymphocytes
Cytokines

ASJC Scopus subject areas

  • Cell Biology
  • Immunology

Cite this

Stimulation of interleukin-6 production by corticotropin-releasing factor. / Leu, Sy Jye Christine; Singh, Vijendra K.

In: Cellular Immunology, Vol. 143, No. 1, 1992, p. 220-227.

Research output: Contribution to journalArticle

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