期刊论文详细信息
Turkish Journal of Pharmaceutical Sciences
Antifungal and Antibiofilm Activities of Selective Serotonin Reuptake Inhibitors Alone and in Combination with Fluconazole
article
Yamaç TEKİNTAŞ1  Aybala TEMEL1  Ayşegül ATEŞ2  Bayrı ERAÇ2  Dilek Yeşim METİN3  Süleyha HİLMİOĞLU POLAT3  Mine HOŞGÖR LİMONCU2 
[1] İzmir Katip Çelebi University Faculty of Pharmacy, Department of Pharmaceutical Microbiology;Ege University Faculty of Pharmacy, Department of Pharmaceutical Microbiology;Ege University Faculty of Medicine, Department of Medical Microbiology
关键词: Candida spp.;    fluconazole;    EUCAST;    synergistic effect;    antibiofilm;   
DOI  :  10.4274/tjps.galenos.2019.65481
来源: Galenos Yayinevi
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【 摘 要 】

Objectives: Candida spp. are clinically important pathogens that cause difficulties for treatment by biofilm formation. Considering antifungal resistance rates and the limitations in the discovery of new antifungals, the antifungal and antibiofilm effects of various drugs used for different therapeutic purposes are becoming more important. The goal of our study was to determine the antifungal and antibiofilm effects of the selective serotonin reuptake inhibitors (SSRIs), namely sertraline (SRT), paroxetine (PRX), and fluoxetine (FLX) alone and in combination with fluconazole (FLC) against Candida spp. Materials and Methods: Twenty Candida spp. strains isolated from clinical samples from Ege University Hospital were identified by the Dalmau method and matrix-assisted laser desorption ionization time of flight mass spectrometry. The minimum inhibitory concentrations (MICs) of the SSRIs and FLC were detected by broth microdilution method. Synergistic interactions between the SSRIs and FLC were investigated by checkerboard assay. The antibiofilm effects of the SSRIs were determined by spectrophotometric microplate method. Results: Among the isolates, five different Candida spp. (C. albicans, C. glabrata, C. krusei, C. tropicalis, and C.parapsilosis) were identified. The MICs of the SSRIs ranged between 16-512 µg/mL. While SRT showed the highest antifungal effect, the antibiofilm efficacy of FLX was higher than that of the other agents. Moreover, FLX and PRX showed a synergistic effect with FLC in 13 and 19 isolates, respectively. Four isolates were strong biofilm producers while nine isolates were moderate biofilm producers. C. parapsilosis strains showed higher biofilm production than the other species. At MIC/2 concentration, FLX and SRT alone inhibited mature biofilms in six and five isolates, respectively, while PRX caused increases biofilm formation in seven isolates. Conclusion: This study revealed that MIC/2 concentrations of SSRIs could have antifungal and antibiofilm effects. SRT and FLX alone or in combination with antifungals may possibly have therapeutic potential for combating fungal infections.

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