Clinical Oral Investigations

, Volume 19, Issue 2, pp 221–227 | Cite as

Azithromycin suppresses P. gingivalis LPS-induced pro-inflammatory cytokine and chemokine production by human gingival fibroblasts in vitro

  • C. J. Doyle
  • T. R. Fitzsimmons
  • C. Marchant
  • A. A. S. S. K. Dharmapatni
  • R. Hirsch
  • P. M. Bartold
Original Article

Abstract

Objective

Azithromycin is a macrolide antibiotic that appears to have both antibacterial and anti-inflammatory properties. This study aimed to investigate the effect of azithromycin on the production of pro-inflammatory cytokines and chemokines by human gingival fibroblasts (HGF) in vitro.

Materials and methods

The effects of azithromycin (0.1 to 10 μg/mL) on the production of interleukin-6 (IL-6), interleukin-8 (IL-8), monocyte chemoattractant protein 1 (MCP-1), and growth-regulated oncogene (GRO) by human gingival fibroblasts cultured in the presence or absence of Porphyromonas gingivalis lipopolysaccharide (LPS) was studied. Cytokine and chemokine protein levels in the culture supernatant were assessed using a Luminex® multiplex immunoassay.

Results

P. gingivalis LPS induced cytokine/chemokine (IL-6, IL-8, MCP-1, and GRO) protein production in HGFs, and this effect was suppressed by azithromycin at all concentrations tested.

Conclusions

This study demonstrates that azithromycin suppresses P. gingivalis LPS-induced cytokine/chemokine protein production in HGF, which may explain some of the clinical benefits observed with the adjunctive use of azithromycin in the treatment of periodontitis.

Clinical relevance

The current study examines the anti-inflammatory properties of azithromycin which may make it useful as an adjunct treatment to periodontitis. Specifically, we used azithromycin to modulate the production of pro-inflammatory cytokines by gingival fibroblasts known to be important in periodontal inflammation.

Keywords

Azithromycin Periodontitis Infection Inflammation 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • C. J. Doyle
    • 1
  • T. R. Fitzsimmons
    • 1
  • C. Marchant
    • 1
  • A. A. S. S. K. Dharmapatni
    • 2
  • R. Hirsch
    • 1
  • P. M. Bartold
    • 1
  1. 1.Colgate Australian Clinical Dental Research Centre, School of DentistryThe University of AdelaideAdelaideAustralia
  2. 2.Discipline of Anatomy and Pathology, School of Medical SciencesThe University of AdelaideAdelaideAustralia

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