Susceptibility of Streptococcus mutans and Actinobacillus actinomycetemcomitans to bactericidal activity of human beta-defensin 3 in biological fluids.

Antimicrob Agents Chemother

Dipartimento di Patologia Sperimentale, Biotecnologie Mediche, Infettivologia ed Epidemiologia, University of Pisa, Via San Zeno 35-39, 56127 Pisa, Italy.

Published: March 2005

Bactericidal activity of human beta-defensin 3 (hBD-3) against Streptococcus mutans and Actinobacillus actinomycetemcomitans was inhibited in a dose-dependent manner by the presence of saliva and/or serum. Increasing the concentration of hBD-3 partially overcame this inhibition. A fast bactericidal effect was observed against both bacterial strains, suggesting a potential therapeutic use for hBD-3 in the local treatment of oral infections.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC549272PMC
http://dx.doi.org/10.1128/AAC.49.3.1245-1248.2005DOI Listing

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