SUSCEPTIBILITY OF PLANKTONIC AND FILM FORMS OF CANDIDA GLABRATA AND CANDIDA ALBICANS TO CATIONIC SURFACTANT ANTISEPTICS

  • M.O. Faustova Ukrainian Medical Stomatological Academy, Poltava, Ukraine
  • G.A. Loban Ukrainian Medical Stomatological Academy, Poltava, Ukraine
  • O.A. Nazarchuk Ukrainian Medical Stomatological Academy, Poltava, Ukraine
  • M.M. Ananieva National Pirogov Memorial Medical University, Vinnytsya, Ukraine
Keywords: Candida, cationic surfactant antiseptics, sensitivity, biofilm.

Abstract

The aim of the study was to investigate the sensitivity of planktonic and film forms of C. albicans and C. glabrata to cationic surfactant antiseptics. Materials and methods. The study was based on investigating 20 clinical strains of C. albicans and 15 C. glabrata isolated from surgical inpatientsю. The sensitivity of planktonic forms of investigated strains to antiseptic agents was quantitatively evaluated by two-fold serial dilutions (macrodilution) in Sabouraud liquid nutrient medium. Biofilm-forming properties of clinical strains C. albicans and C. glabrata were assessed by using the Christensen’s spectrophotometric method (MtP-test “microtiter plate test”). The influence of the antiseptics on C. albicans and C. glabrata film forms was assessed by the reproduction of the biofilms according to the above-described procedure with adding antiseptics in sub-bacteriostatic concentrations and the subsequent spectrophotometric ODU assessment. In the study we used antiseptics based on cationic surfactants, chlorhexidine digluconate 0.05 (Chlorhexidine-KR, manufactured by PJSC “Khimfarmzavod “Chervona zirka"”, Kharkiv, Ukraine (CHH)) and decamethoxin 0.2 (Decasan, produced by Yuria-Farm LLC ", Kyiv, Ukraine (DCM)). Results. According to the research results, lower sensitivity of C. glabrata strains to CHH was found, compared to the sensitivity of C. albicans strains. In addition, the activity of DCM in the investigated representatives of Candida spp. did not differ significantly. Clinical strains of C. glabrata were more susceptible to DCM compared to their susceptibility to CHH. C. albicans strains showed medium film-forming properties, while C. glabrata - high. The investigated cationic surfactant antiseptics possessed the same degree of activity on the film-forming properties of clinical strains of Candida spp. Conclusions. Cationic surfactant antiseptics (CHH and DCM) possess antifungal activity against planktonic and film forms of C. albicans and C. glabrata.

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References

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Published
2019-04-12
How to Cite
Faustova, M., Loban, G., Nazarchuk, O., & Ananieva, M. (2019). SUSCEPTIBILITY OF PLANKTONIC AND FILM FORMS OF CANDIDA GLABRATA AND CANDIDA ALBICANS TO CATIONIC SURFACTANT ANTISEPTICS. The Medical and Ecological Problems, 23(1-2), 26-29. https://doi.org/10.31718/mep.2019.23.1-2.06