Proinflammatory Cytokines Enhance Human Synoviocyte Expression of Functional Intercellular Adhesion Molecule-1 (ICAM-1)

Herbert B. Lindsley, Donald D. Smith, Christopher B. Cohick, Alisa E. Koch, Laurie S. Davis

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

We determined the ability of proinflammatory cytokines to enhance ICAM-1 (CD54) expression on, and PBMC adhesion to, human synoviocytes. Surface molecules were characterized by cell ELISA and by flow cytometry. Adhesion of PBMC to synoviocyte monolayers was measured by direct counting or by colorimetric staining. Most cytokines upregulated ICAM-1 expression (IL-1β > TNFα > IFN-γ ≫ PDGF-bb, IL-6), but not GM-CSF or TGFβ. A similar concentration-dependent increase was observed for synoviocytes derived from patients with rheumatoid or osteoarthritis. Kinetic studies of ICAM-1 expression differed among several cytokines: an early rise with IL-1β or TNFα stimulation, a gradual increase with IFN-γ, a transient increase with PDGF-bb, and a plateau with IL-6. Adhesion of PBMC to synoviocytes was increased by IL-1β or TNFα and reduced by MAb to CD54 or CD18. Increased synoviocyte adhesiveness may promote interactions with infiltrating inflammatory cells.

Original languageEnglish (US)
Pages (from-to)311-320
Number of pages10
JournalClinical Immunology and Immunopathology
Volume68
Issue number3
DOIs
StatePublished - Sep 1993

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Intercellular Adhesion Molecule-1
Cytokines
Interleukin-1
Interleukin-6
Adhesiveness
Granulocyte-Macrophage Colony-Stimulating Factor
Osteoarthritis
Flow Cytometry
Enzyme-Linked Immunosorbent Assay
Synoviocytes
Staining and Labeling

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Immunology and Allergy
  • Immunology

Cite this

Proinflammatory Cytokines Enhance Human Synoviocyte Expression of Functional Intercellular Adhesion Molecule-1 (ICAM-1). / Lindsley, Herbert B.; Smith, Donald D.; Cohick, Christopher B.; Koch, Alisa E.; Davis, Laurie S.

In: Clinical Immunology and Immunopathology, Vol. 68, No. 3, 09.1993, p. 311-320.

Research output: Contribution to journalArticle

Lindsley, Herbert B. ; Smith, Donald D. ; Cohick, Christopher B. ; Koch, Alisa E. ; Davis, Laurie S. / Proinflammatory Cytokines Enhance Human Synoviocyte Expression of Functional Intercellular Adhesion Molecule-1 (ICAM-1). In: Clinical Immunology and Immunopathology. 1993 ; Vol. 68, No. 3. pp. 311-320.
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