Bacteriostatic activity of human lactoferrin against Staphylococcus aureus is a function of its iron-binding properties and is not influenced by antibiotic resistance

Aguila, A., Herrera, A. G., Morrison, D., Cosgrove, B., Perojo, A., Montesinos, I., Perez, J., Sierra, G., Gemmell, C. G. and Brock, J. H. (2001) Bacteriostatic activity of human lactoferrin against Staphylococcus aureus is a function of its iron-binding properties and is not influenced by antibiotic resistance. FEMS Immunology and Medical Microbiology, 31(2), pp. 145-152. (doi:10.1111/j.1574-695X.2001.tb00511.x)

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Abstract

he in vitro antistaphylococcal activity of lactoferrin and the antibiotic resistance of clinical Staphylococcus aureus isolates obtained from three different sites of infection were examined. Antibiotic, but not lactoferrin resistance correlated with selective antibiotic pressure, and nosocomial and most community isolates were antibiotic resistant, whereas only a third of each group was resistant to lactoferrin. The antimicrobial activity of lactoferrin, both in defined medium and in normal human plasma serum, was dependent upon its ferrochelating properties. Therapeutic approaches based on the use of ferrochelating agents such as lactoferrin combined with antimicrobial drugs may help to counteract the reduced efficacy of current antibiotics.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Gemmell, Professor Curtis and Brock, Dr Jeremy and Morrison, Dr Donald
Authors: Aguila, A., Herrera, A. G., Morrison, D., Cosgrove, B., Perojo, A., Montesinos, I., Perez, J., Sierra, G., Gemmell, C. G., and Brock, J. H.
College/School:College of Medical Veterinary and Life Sciences > Institute of Infection Immunity and Inflammation
College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing
Journal Name:FEMS Immunology and Medical Microbiology
Publisher:Wiley
ISSN:0928-8244
ISSN (Online):1574-695X
Published Online:09 January 2006

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