Virulence Traits of Candida spp.: An Overview

Fatima, Zeeshan; Kumari, Priyanka; Rehman, Suriya; Hameed, Saif

doi:10.1007/978-3-030-60659-6_19

Cited by 4 publications

(2 citation statements)

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Section: Introductionmentioning

confidence: 99%

“…This growth can be explained, in part, by the increase in the population of immunosuppressed patients, who are more susceptible to these infections [1]. With regard to fungal infections, the genus Candida stands out as having the most common causative agent of infections in humans [2].Of the species in this genus, Candida albicans is one of the main fungal pathogens in humans [3]. In addition, non-albicans species have also gained epidemiological relevance, such as Candida glabrata, Candida tropicalis, Candida krusei and Candida parapsilosis, which are frequently isolated from infected patients [4].…”

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Antifungal activity of propafenone on Candida spp. strains: interaction with antifungals and possible mechanism of action

Barbosa,

Leitão,

de Oliveira

et al. 2024

Journal of Medical Microbiology

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Introduction. The development of new antifungal drugs has become a global priority, given the increasing cases of fungal diseases together with the rising resistance to available antifungal drugs. In this scenario, drug repositioning has emerged as an alternative for such development, with advantages such as reduced research time and costs. Gap statement. Propafenone is an antiarrhythmic drug whose antifungal activity is poorly described, being a good candidate for further study. Aim. This study aims to evaluate propafenone activity against different species of Candida spp. to evaluate its combination with standard antifungals, as well as its possible action mechanism. Methodology. To this end, we carried out tests against strains of Candida albicans, Candida auris, Candida parapsilosis, Candida tropicalis, Candida glabrata and Candida krusei based on the evaluation of the MIC, minimum fungicidal concentration and tolerance level, along with checkerboard and flow cytometry tests with clinical strains and cell structure analysis by scanning electron microscopy (SEM). Results. The results showed that propafenone has a 50% MIC ranging from 32 to 256 µg ml−1, with fungicidal activity and positive interactions with itraconazole in 83.3% of the strains evaluated. The effects of the treatments observed by SEM were extensive damage to the cell structure, while flow cytometry revealed the apoptotic potential of propafenone against Candida spp. Conclusion. Taken together, these results indicate that propafenone has the potential for repositioning as an antifungal drug.

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Section: Introductionmentioning

confidence: 99%

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confidence: 99%