In Vitro Bactericidal Activity of Human β-Defensin 3 against Multidrug-Resistant Nosocomial Strains

Giuseppantonio Maisetta, Giovanna Batoni, Semih Esin, Walter Florio, Daria Bottai, Flavia Favilli, Mario Campa

Antimicrobial Agents and Chemotherapy · 2006 · 112 citations · 8 references

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Abstract

The antimicrobial activity of human beta-defensin 3 (hBD-3) against multidrug-resistant clinical isolates of Staphylococcus aureus, Enterococcus faecium, Pseudomonas aeruginosa, Stenotrophomonas maltophilia, and Acinetobacter baumannii was evaluated. A fast bactericidal effect (within 20 min) against all bacterial strains tested was observed. The presence of 20% human serum abolished the bactericidal activity of hBD-3 against gram-negative strains and reduced the activity of the peptide against gram-positive strains.

References

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