Granulocyte colony-stimulating factor for the treatment of biomaterial-associated staphylococcal infections in-vitro - PubMed

Granulocyte colony-stimulating factor for the treatment of biomaterial-associated staphylococcal infections in-vitro

Andrea Schlöbe et al. Urol Res. 2003 Feb.

Abstract

Staphylococcal infections are a common and severe complication after the implantation of a prosthesis. We developed an in-vitro model for biomaterial-associated infections and studied the effects of human recombinant granulocyte colony-stimulating factor (rhuG-CSF; filgrastime) on the eradication of bacteria from the surface of biomaterial. Latex beads (25 micro m) were incubated with 10(7) colony forming units of either a slime producing (DSM 3269) or non-slime producing strain (ATCC 14990) of Staphylococcus epidermidis. Infected particles were consecutively confronted with effector cells, derived from heparinized whole blood samples taken from healthy volunteers, after stimulation with rhuG-CSF (5,000 IU/ml, 10,000 IU/ml). Control blood specimens were not stimulated or conditioned with normal saline. The results indicate that stimulation with rhuG-CSF induced an increased rate of phagocytosis and lead to a more rapid reduction of adhering bacteria from the surface of the beads. Therefore, the in-vitro data suggest that patients with prosthesis infection may profit from an additional treatment with rhuG-CSF.

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