Unveiling novel insights: geraniol's enhanced anti-candida efficacy and mechanistic innovations against multidrug-resistant candida strains.

Objectives: This study addressed the need for new treatments for severe Candida infections, especially resistant strains. It evaluated the antifungal potential of geraniol alone and with fluconazole against various Candida spp., including resistant strains, and investigated geraniol's mechanism of action using flow cytometry.

Evaluation of amlodipine against strains of spp. in planktonic cells, developing biofilms and mature biofilms.

To evaluate the antifungal activity of amlodipine against strains of spp. and to its possible mechanism of action. Broth microdilution tests were used to determine the minimum inhibitory concentration, while the synergistic activity was evaluated by calculating the fractional inhibitory concentration index.

Analysis of the anti-Candida activity of tricyclic antidepressants in association with amphotericin B and their antifungal mechanisms.

Candida species are among the priority pathogens in the area of research and development. Due to the problems associated with resistance to antifungals, new therapeutic alternatives are necessary. In this regard, drug repositioning has gained prominence.

Antifungal activity of tannic acid against Candida spp. and its mechanism of action.

The increase in fungal resistance is a major public health concern. In this context, Candida spp. is an important genus related to invasive diseases, especially in immunosuppressed patients.

Anticandidal activity of Kunth essential oil is enhanced by N-acetylcysteine and itraconazole.

Evaluate the anticandidal effect of Kunth essential oil and its interaction with azoles and N-acetylcysteine (NAC) against planktonic cells and biofilms. Broth microdilution and checkerboard methods were used to evaluate the individual and combined activity with fluconazole and itraconazole (ITRA). The antibiofilm effect of the oil was assessed in 96-well plates alone and combined with ITRA and NAC, and cytotoxicity determined by MTT.

Mangiferin potentiates the activity of antifungal agents against fluconazole-resistant spp.

To evaluate the antifungal activity of mangiferin against spp. resistant to fluconazole. The antifungal activity of mangiferin was assessed using broth microdilution and its interaction with azoles and amphotericin B was evaluated by checkerboard.

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

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. Propafenone is an antiarrhythmic drug whose antifungal activity is poorly described, being a good candidate for further study.

Biosurfactant complexed with arginine has antibiofilm activity against methicillin-resistant .

The present study investigated the antimicrobial effectiveness of a rhamnolipid complexed with arginine (RLMIX_Arg) against planktonic cells and biofilms of methicillin-resistant (MRSA). Susceptibility testing was performed using the Clinical & Laboratory Standards Institute protocol: M07-A10, checkerboard test, biofilm in plates and catheters and flow cytometry were used. RLMIX_Arg has bactericidal and synergistic activity with oxacillin.

Antimicrobial activity of hydralazine against methicillin-resistant and methicillin-susceptible .

is a human pathogen responsible for high mortality rates. The development of new antimicrobials is urgent. The authors evaluated the activity of hydralazine along with its synergism with other drugs and action on biofilms.

evaluation of cytotoxic potential of essential oil extracted from leaves of Kunth in human tumor cells.

Kunth, popularly known as "velame," is a shrub that resides in northeastern Brazil. The essential oil of contains high concentrations of volatile compounds in the leaves and is widely used in folk medicine for many purposes as an antiseptic, analgesic, sedative, and anti-inflammatory agent. Due to the apparent limited amount of information, the aim of this study was to determine the cytotoxic potential of essential oil extracted from leaves of , utilizing different human cancer cell lines (HL-60, leukemia; HCT-116, colon; MDA-MB435, melanoma; SF295, glioblastoma) and comparison to murine fibroblast L929 cell line.

Analysis of possible pathways on the mechanism of action of minocycline and doxycycline against strains of spp. resistant to fluconazole.

Species of the genus characterized as commensals of the human microbiota, are opportunistic pathogens capable of generating various types of infections with high associated costs. Considering the limited pharmacological arsenal and the emergence of antifungal-resistant strains, the repositioning of drugs is a strategy used to search for new therapeutic alternatives, in which minocycline and doxycycline have been evaluated as potential candidates. Thus, the objective was to evaluate the antifungal activity of two tetracyclines, minocycline and doxycycline, and their possible mechanism of action against fluconazole-resistant strains of spp.

Antibacterial activity of menadione alone and in combination with oxacillin against methicillin-resistant and its impact on biofilms.

Antibiotic resistance is a major threat to public health, particularly with methicillin-resistant (MRSA) being a leading cause of antimicrobial resistance. To combat this problem, drug repurposing offers a promising solution for the discovery of new antibacterial agents. Menadione exhibits antibacterial activity against methicillin-sensitive and methicillin-resistant strains, both alone and in combination with oxacillin.

Antifungal activity of selective serotonin reuptake inhibitors against Cryptococcus spp. and their possible mechanism of action.

Fungal infections caused by Cryptococcus spp. pose a threat to health, especially in immunocompromised individuals. The available arsenal of drugs against cryptococcosis is limited, due to their toxicity and/or lack of accessibility in low-income countries, requiring more therapeutic alternatives.

Sertraline has activity against both mature and forming biofilms of different species.

spp. infections are a serious health problem, especially in patients with risk factors. The acquisition of resistance, often associated with biofilm production, makes treatment more difficult due to the reduced effectiveness of available antifungals.

Evaluation of the antifungal effect of chlorogenic acid against strains of spp. resistant to fluconazole: apoptosis induction and analysis of the possible mechanisms of action.

spp. are commensal fungal pathogens of humans, but when there is an imbalance in the microbiota, or weak host immunity, these yeasts can become pathogenic, generating high medical costs. With the increase in resistance to conventional antifungals, the development of new therapeutic strategies is necessary.

The Isoflavanoid (+)-PTC Regulates Cell-Cycle Progression and Mitotic Spindle Assembly in a Prostate Cancer Cell Line.

Prostate cancer is the second most common malignancy in men and the development of effective therapeutic strategies remains challenging when more advanced, androgen-independent or insensitive forms are involved. Accordingly, we have evaluated, using flow cytometry, confocal microscopy and image analysis, the anti-proliferative effects of (+)-2,3,9-trimethoxypterocarpan [(+)-PTC, 1] on relevant human prostate cancer cells as well as its capacity to control mitosis within them. In particular, the studies reported herein reveal that (+)-PTC exerts anti-proliferative activity against the PC-3 cell lines by regulating cell-cycle progression with mitosis being arrested in the prophase or prometaphase.

TECHNIQUE OF EXPOSURE OF THE ESOPHAGOGASTRIC JUNCTION OBTAINED BY THE FLEXIBLE LIVER RETRACTOR IN BARIATRIC SURGERY: A RANDOMIZED CONTROLLED TRIAL.

Aim: In the Roux-en-Y gastric bypass technique, classic laparoscopic surgical retractors are usually rigid, require an additional incision for its installation, or must be handled by an assistant during the surgical procedure, involving a risk of liver injury. The aim of this study was to evaluate and validate a technique of the esophagogastric junction exposure obtained by the flexible liver retractor in bariatric surgery, comparing its efficacy with the retractor classically used for this purpose.

Methods: This study was performed as a randomized, open, prospective, controlled, and comparative design in patients with medical indications of bariatric surgery.

Involvement of anti-inflammatory, antioxidant, and BDNF up-regulating properties in the antipsychotic-like effect of the essential oil of Alpinia zerumbet in mice: a comparative study with olanzapine.

The current drug therapy for schizophrenia effectively treats acute psychosis and its recurrence; however, this mental disorder's cognitive and negative symptoms are still poorly controlled. Antipsychotics present important side effects, such as weight gain and extrapyramidal effects. The essential oil of Alpinia zerumbet (EOAZ) leaves presents potential antipsychotic properties that need further preclinical investigation.

Arginine-phenylalanine and arginine-tryptophan-based surfactants as new biocompatible antifungal agents and their synergistic effect with Amphotericin B against fluconazole-resistant Candida strains.

In the past two decades, the increase in microbial resistance to conventional antimicrobials has spurred scientists around the world to search tirelessly for new treatments. Synthetic amino acid-based surfactants constitute a promising alternative to conventional antimicrobial compounds. In this work, two new cationic amino acid-based surfactants were synthesized and their physicochemical, antifungal and antibiofilm properties evaluated.

Effects of ketamine in methicillin-resistant and in silico interaction with sortase A.

Methicillin-resistant (MRSA) is one of the main human pathogens and is responsible for many diseases, ranging from skin infections to more invasive infections. These infections are dangerous and expensive to treat because these strains are resistant to a large number of conventional antibiotics. Thus, the antibacterial effect of ketamine against MRSA strains, its mechanism of action, and in silico interaction with sortase A were evaluated.

Anti-MRSA activity of curcumin in planktonic cells and biofilms and determination of possible action mechanisms.

Staphylococcus aureus is a commensal bacterium and opportunistic human pathogen that can cause a wide variety of clinical infections. It is recognized for its ability to acquire antimicrobial resistance, so methicillin-resistant Staphylococcus aureus (MRSA) infections are a global healthcare challenge. Therefore, the development of new therapeutic options and alternative therapies for treatment is necessary.

Effect of Topical Instillation of Pegaptanib Sodium Upon Inflammatory Corneal Neovascularization in Rabbits.

To evaluate the effect of topical instillation of pegaptanib sodium upon inflammatory angiogenesis induced in the rabbit cornea by alkaline cauterization. Inflammatory angiogenesis was induced by alkaline (sodium hydroxide) cauterization in the corneas of 29 male New Zealand rabbits. The animals were divided into 4 groups: a control group treated with 0.

Diazepam's antifungal activity in fluconazole-resistant spp. and biofilm inhibition in : evaluation of the relationship with the proteins ALS3 and SAP5.

The genus spp. has been highlighted as one of the main etiological agents causing fungal infections, with being the most prominent, responsible for most cases of candidemia. Due to its capacity for invasion and tissue adhesion, it is associated with the formation of biofilms, mainly in the environment and hospital devices, decreasing the effectiveness of available treatments.

Development and in vitro evaluation of microparticles of fluoxetine in galactomannan against biofilms of S. aureus methicilin resistant.

The emergence of multidrug-resistant (MDR) bacteria is a global problem, by reducing the effectiveness of traditional antibiotics and decreasing the therapeutic arsenal to treat bacterial infections. This has led to an increase in researches about how to overcome this resistance to antibiotics. One strategy is the repositioning (or repurposing) of existing drugs not previously used to combat microorganisms, rather than the development of new drugs.

Antifungal activity of etomidate against growing biofilms of fluconazole-resistant spp. strains, binding to mannoproteins and molecular docking with the ALS3 protein.

This study evaluated the effect of etomidate against biofilms of spp. and analysed through molecular docking the interaction of this drug with ALS3, an important protein for fungal adhesion. Three fluconazole-resistant fungi were used: , and .