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Synthesis and Biological Activities of 2,6-Dihydroxy-4-Isopentenyloxychalcone as an Antimicrobial and Anti-Inflammatory Compound

[ Vol. 10 , Issue. 3 ]

Author(s):

Laetitia Bonifait, Lei Zhao, Jabrane Azelmat, Salvatore Genovese, Francesco Epifano and Daniel Grenier   Pages 300 - 303 ( 4 )

Abstract:


Chalcones are a group of plant-derived polyphenolic compounds possessing a wide variety of biological activities. The aim of this study was to synthesize 2,6-dihydroxy-4-isopentenyloxychalcone (1), a chalcone found in plants belonging to the genera Helichrysum, Pleiotaxix and Metalasia, and evaluate its antimicrobial effects against major oral pathogens as well as its anti-inflammatory properties. Compound 1 was synthesized using a simple two-step procedure. Among the seven pathogens tested, Porphyromonas gingivalis and Prevotella intermedia were the most susceptible to inhibition by 1. This chalcone also attenuated the secretion of interleukin-8 and chemokine (C-C motif) ligand 5 (CCL5) by lipopolysaccharide (LPS)-stimulated oral epithelial cells as well as the secretion of matrix metalloproteinase 2 (MMP-2) by LPS-stimulated gingival fibroblasts. In conclusion, our study showed that 1 exerts a dual effect by acting on both oral pathogens and the host inflammatory response and thus represents a molecule of interest for periodontal infections.

Keywords:

Chalcone, antimicrobial, anti-inflammatory, oral infection.

Affiliation:

Groupe de Recherche en Ecologie Buccale, Faculte de Medecine Dentaire, Universite Laval, 2420 rue de la Terrasse, Quebec City, QC, G1V0A6, Canada.



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