Preliminary results of a novel quorum sensing inhibitor against pneumococcal infection and biofilm formation with special interest to otitis media and cochlear implantation
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info:eu-repo/semantics/embargoedAccessTarih
2015Yazar
Cevizci, RaşitDüzlü, Mehmet
Dündar, Yasemin
Noyanalpan, Ningur
Sultan, Nedim
Tutar, Hakan
Bayazıt, Yıldırım Ahmet
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Cevizci, R., Düzlü, M., Dündar, Y., Noyanalpan, N., Sultan, N., Tutar, H. ve Bayazıt, Y. A. (2015). Preliminary results of a novel quorum sensing inhibitor against pneumococcal infection and biofilm formation with special interest to otitis media and cochlear implantation. European Archives of Oto-Rhino-Laryngology, 272(6), 1389-1393. https://dx.doi.org/10.1007/s00405-014-2942-5Özet
The purpose of the study is to assess the effect of a novel quorum sensing inhibitor (QSI), coded as 'yd 47', against otitis media and biofilm formation on Cochlear implants (CIs). Small pieces cut from cochlear implant were implanted under the skin in the retroauricular area on both sides of four guinea pigs. The implant pieces in the study and control sides were implanted in Streptococcus pneumoniae strain solution and saline, respectively. The right and left middle ears were also instilled with a solution containing pneumococci and saline, respectively. The animals were only given an intraperitoneal 'yd 47' twice daily for three months to be assessed later with electron microscopy. Clinical examination with palpation, inspection and otoscopy did not reveal any sign of implant infection or otitis media. In the study and control implant materials, soft tissues around the implant and tympanic membranes, there was no biofilm formation by pneumococci. Contamination by various cells and some rod-shaped bacteria (not diplococcic) were seen in some of the materials. In conclusion, the novel QSI seems promising in the prevention of otitis media and biofilm formation on CIs by pneumococci.
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European Archives of Oto-Rhino-LaryngologyCilt
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