7 documents found, page 1 of 1
Antifungal activity of palmatine against strains of Candida spp. resistant to a...
Campos, Rosana de Sousa; Silva, Cecília Rocha da; Andrade Neto, João Batista de; Sampaio, Letícia Serpa; Nascimento, Francisca Bruna Stefany Aires doThe incidence of fungal infections has increased and it is necessary to seek new antifungals that also act against resistant strains. Palmatine is a protoberberine alkaloid noteworthy for its various pharmacological properties, including antifungal properties. The objective of this study was to evaluate the activity of palmatine against Candida spp. strains resistant to azole in planktonic cells and biofilm, an...
In vitro evaluation of the curcumin against fluconazole-resistant strains of Ca...
Freitas, Daniel Domingues; Silva, Cecília Rocha da; Andrade Neto, João Batista de; Campos, Rosana de Sousa; Sampaio, Letícia SerpaThe isolates of Candida spp. and Cryptococcus neoformans were inhibited by curcumin, with different degrees of inhibition among species, with MICs ranging from 8-64 μg/mL. After exposure of the C. albicans strains to curcumin, it was observed a decrease in the number of viable cells and damage to cell membranes, the mitochondrial function of C. albicans cells appears to be affected after exposure to curcumin. O...
Atividade antifúngica da palmatina frente a isolados de Candida spp. resistente...
Campos, Rosana de SousaCurrently, the incidence of fungal infections has been increasing and in a prominent position, those caused by species of the genus Candida, which is the most isolated microorganism in hospital sepsis. The most frequently isolated species was Candida albicans, but this scenario has been changing with the increase of non-albicans species, which are more resistant to fluconazole. Due to the resistance problem and...
Effects of piperonal nitro derivatives on candida species : antifungal activity...
Andrade Neto, João Batista de; Silva, Cecília Rocha da; Campos, Rosana de Sousa; Nascimento, Francisca Bruna Stefany Aires do; Freitas, Daniel DominguesRecently, there has been a significant increase in invasive fungal infections, the treatment of which is limited to a quite small number of antifungal drugs. Natural products represent an important source of antifungal agents, mainly because of their natural coexistence with fungi present in each biome. Derivatives or semi-synthetic products can be used to optimize the pharmacological profile of natural product...
Berberine antifungal activity in fluconazole-resistant pathogenic yeasts : acti...
Silva, Anderson Ramos da; Andrade Neto, João Batista de; Silva, Cecília Rocha da; Campos, Rosana de Sousa; Silva, Rose Anny CostaThe incidence of fungal infections and, in particular, the incidence of fungal antibiotic resistance, which is associated with bio- film formation, have significantly increased, contributing to morbidity and mortality. Thus, new therapeutic strategies need to be developed. In this context, natural products have emerged as a major source of possible antifungal agents. Berberine is a pro- toberberine-type isoquin...
Evaluation of synergistic effect of kaurenoic acid derivatives with fluconazole...
Andrade Neto, João Batista de; Silva, Cecília Rocha da; Campos, Rosana de Sousa; Nascimento, Francisca Bruna Stefany Aires do; Sampaio, Letícia SerpaCandida species are the fourth most common cause of nosocomial bloodstream infections in the United States and the fifth to tenth most common causative pathogen in European studies Although C. albicans remains the most common fungal isolate recovered from blood, recent reports indicate a trend towards an increasing prevalence of infections caused by species of Candida other than C. albicans which are associated...
Synergistic effect of the flavonoid catechin, quercetin, or epigallocatechin ga...
Silva, Cecília Rocha da; Andrade Neto, João Batista de; Campos, Rosana de Sousa; Figueiredo, Narjara Silvestre; Sampaio, Letícia SerpaFlavonoids are a class of phenolic compounds commonly found in fruits, vegetables, grains, flowers, tea, and wine. They differ in their chemical structures and characteristics. Such compounds show various biological functions and have antioxidant, antimicrobial, anti-inflammatory, and antiapoptotic properties. The aim of this study was to evaluate the in vitro interactions of flavonoids with fluconazole against...