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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Effects of tissue-type plasminogen activator on Staphylococcus epidermidis--infected plasma clots as a model of infected endocardial vegetations.

The ability of tissue-type plasminogen activator (t-PA) to enhance the effect of antibiotics in the treatment of bacterial endocarditis was studied using plasma clots infected with Staphylococcus epidermidis as a model of infected endocardial vegetations. A concentration-dependent lysis of the infected plasma clots was induced by t-PA, as shown by the decrease in the weight of the clots, a decrease in the amount of incorporated 125I fibrin, as well as the release of staphylococci from the clots into the incubation fluid. The addition of cloxacillin to the incubation medium in various concentrations led to a concentration-dependent decrease of the number of S. epidermidis in the clots. The presence of t-PA did not enhance the antibacterial effect of cloxacillin. It is concluded that the lysis induced by t-PA might enhance the effect of treatment of endocarditis by reducing the size of endocardial vegetations but not by enhancement of the effect of antibiotics on the bacteria embedded in the vegetations.[1]

References

  1. Effects of tissue-type plasminogen activator on Staphylococcus epidermidis--infected plasma clots as a model of infected endocardial vegetations. Buiting, A.G., Thompson, J., Emeis, J.J., Mattie, H., Brommer, E.J., van Furth, R. J. Antimicrob. Chemother. (1987) [Pubmed]
 
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