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EnglishBiomaterials. 2004 Aug;25(19):4825-9. Presence of fibrinogen-binding adhesin gene in Staphylococcus epidermidis isolates from central venous catheters-associated and orthopaedic implant-associated infections. Arciola CR, Campoccia D, Gamberini S, Donati ME, Montanaro L. Research Laboratory on Biocompatibility of Implant Materials, Rizzoli Orthopedic Institute, Via di Barbiano, 1/10, Bologna 40136, Italy. Attention has recently been paid to identify and elucidate those pathogenetic mechanisms, which play a significant role in sustaining the early phases of Staphylococcus epidermidis colonisation and infection development. Several analogies with the physiology of Staphylococcus aureus, a more thoroughly investigated pathogen, have lead to carefully consider all bacterial surface components that mediate cell adhesion. This study aimed at investigating the presence of the fbe gene encoding for a fibrinogen-binding protein in a collection of 107 S. epidermidis strains isolated from orthopaedic infections and 67 from central venous catheter-associated infections. The strains isolated from orthopaedic infections were in large part associated to four different classes of orthopaedic devices, respectively: internal fixation devices, external fixation devices, knee arthroprostheses and hip arthroprostheses. The molecular epidemiology analysis performed by PCR enlightened a statistically significant difference in the prevalence of this adhesion mechanism between orthopaedic infections and catheter-related infections, respectively, of 78% and 91%. The prevalence of fbe ranged from 67% to 91%, suggesting that, even though this adhesin is not strictly necessary for the development of infection, nevertheless it represents a rather common characteristic of strains causing clinical infections, this independently on the presence or the absence of implant materials.
| Titolo: | Presence of fibrinogen-binding adhesin gene in Staphylococcus epidermidis isolates from central venous catheters-associated and orthopaedic implant-associated infections. |
| Autore/i: | ARCIOLA, CARLA RENATA; Campoccia D; Gamberini S; Donati ME; MONTANARO, LUCIO |
| Autore/i Unibo: | |
| Anno: | 2004 |
| Rivista: | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.biomaterials.2003.11.056 |
| Abstract: | Biomaterials. 2004 Aug;25(19):4825-9. Presence of fibrinogen-binding adhesin gene in Staphylococcus epidermidis isolates from central venous catheters-associated and orthopaedic implant-associated infections. Arciola CR, Campoccia D, Gamberini S, Donati ME, Montanaro L. Research Laboratory on Biocompatibility of Implant Materials, Rizzoli Orthopedic Institute, Via di Barbiano, 1/10, Bologna 40136, Italy. Attention has recently been paid to identify and elucidate those pathogenetic mechanisms, which play a significant role in sustaining the early phases of Staphylococcus epidermidis colonisation and infection development. Several analogies with the physiology of Staphylococcus aureus, a more thoroughly investigated pathogen, have lead to carefully consider all bacterial surface components that mediate cell adhesion. This study aimed at investigating the presence of the fbe gene encoding for a fibrinogen-binding protein in a collection of 107 S. epidermidis strains isolated from orthopaedic infections and 67 from central venous catheter-associated infections. The strains isolated from orthopaedic infections were in large part associated to four different classes of orthopaedic devices, respectively: internal fixation devices, external fixation devices, knee arthroprostheses and hip arthroprostheses. The molecular epidemiology analysis performed by PCR enlightened a statistically significant difference in the prevalence of this adhesion mechanism between orthopaedic infections and catheter-related infections, respectively, of 78% and 91%. The prevalence of fbe ranged from 67% to 91%, suggesting that, even though this adhesin is not strictly necessary for the development of infection, nevertheless it represents a rather common characteristic of strains causing clinical infections, this independently on the presence or the absence of implant materials. |
| Data prodotto definitivo in UGOV: | 2005-10-16 |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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