Astrocyte expression of monocyte chemoattractant protein-1 is differentially regulated by transforming growth factor beta

Jonathan M. Weiss, Joan W. Berman

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

The pathophysiology of central nervous system (CNS) inflammatory disease is dependent, in part, on leukocyte recruitment across the blood-brain barrier. The expression of cytokines and chemokines by astrocytes may contribute to this process. Astrocytes express monocyte chemoattractant protein-1 (MCP-1), an activator of monocytes and a chemoattractant for monocytes and activated T cells. We examined the regulation of MCP-1 expression in human fetal astrocytes following cytokine treatment in the presence and absence of transforming growth factor beta (TGF-β). TGF-β, TNFα and IL-1β, but not IFNγ, induced MCP-1 mRNA and protein, TGF-β, in cotreatment with TNFα caused an additive increase in MCP-1 mRNA, but not protein. In combination with IFNγ, TGF-β significantly increased MCP-1 mRNA and protein, as compared to either untreated, TGF-β or IFNγ-treated astrocytes. However, TGF-β in cotreatment with IL-1β decreased MCP-1 mRNA and protein, as compared to IL-1β alone. Treatment of astrocytes with TGF- β prior to TNFα, IFNγ or IL-1β treatment significantly increased MCP-1 expression. The kinetics of cytokine expression in the CNS may differentially regulate astrocyte-derived MCP-1 expression and subsequent recruitment and activation of leukocytes.

Original languageEnglish (US)
Pages (from-to)190-197
Number of pages8
JournalJournal of Neuroimmunology
Volume91
Issue number1-2
DOIs
StatePublished - Nov 2 1998

Fingerprint

Chemokine CCL2
Astrocytes
Transforming Growth Factor beta
Interleukin-1
Messenger RNA
Cytokines
Monocytes
Proteins
Leukocytes
Central Nervous System Diseases
Chemotactic Factors
Blood-Brain Barrier
Chemokines
Central Nervous System
T-Lymphocytes

Keywords

  • Astrocytes
  • Monocyte chemoattractant protein-1
  • Transforming growth factor beta

ASJC Scopus subject areas

  • Immunology
  • Clinical Neurology
  • Immunology and Allergy
  • Neurology

Cite this

Astrocyte expression of monocyte chemoattractant protein-1 is differentially regulated by transforming growth factor beta. / Weiss, Jonathan M.; Berman, Joan W.

In: Journal of Neuroimmunology, Vol. 91, No. 1-2, 02.11.1998, p. 190-197.

Research output: Contribution to journalArticle

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