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September 1994

Leukocidin From Staphylococcus aureus and Cutaneous Infections: An Epidemiologic Study

Author Affiliations

Strasbourg, France

Clinique Dermatologique Hôpitaux Universitaires de Strasbourg 1 Place de l'Hôpital 67091 Strasbourg Cedex, France

Strasbourg, France

Arch Dermatol. 1994;130(9):1208-1209. doi:10.1001/archderm.1994.01690090142027

Panton-Valentine leukocidin (PVL) is a cytotoxin produced by less than 5% of Staphylococcus aureus strains, which act only on human and rabbit polymorphonuclear cells (PMNs) and monocytes but not on erythrocytes.1,2 Injections of purified PVL into rabbit skin were shown to induce karyorrhexis of PMNs and vascular necrosis, which led to a large ulceration.3 To more clearly assess the relationships between PVL production and human pathology, we report a prospective epidemiologic study of 302 S aureus strains obtained from patients at the Strasbourg (France) University Hospital and tested for PVL production by an agarose double immunodiffusion method. The S aureus culture conditions and the production of polyclonal PVL antibodies were previously described.2

Materials and Methods.  Among these 302 S aureus strains, 87 were isolated from blood cultures, 184 from cutaneous samples, and 31 from the anterior nares of asymptomatic carriers. The cutaneous samples were taken from 108

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