antifungal resistance – Page 3

Clinical Mycology Today: Emerging Challenges and Opportunities

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Fungal infections are becoming more common because of new medical treatments that suppress immune function, and some fungi are developing resistance to standard medications. However, exciting new antifungal drugs are in development that work in different ways and may be easier to use. The article discusses how doctors need better ways to identify patients at risk, design better clinical trials, and train more specialists to handle these increasingly complex fungal infections.

Evaluation of Clinical, Microbiological Profiles and Management Patterns with Outcomes of Patients with Fungal Isolates in An Intensive Care Unit of A Tertiary Care Center: A Prospective Observational Study

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This study examined fungal infections in critically ill patients at a major hospital, tracking 120 patients and their fungal infections. Researchers found that diabetes was the most common risk factor, with most fungal infections occurring in urine samples and commonly caused by Candida tropicalis. The study revealed that many fungal strains were resistant to common antifungal drugs like fluconazole, suggesting that doctors need to carefully choose alternative treatments based on each patient’s specific infection type.

Overexpression of efflux pump and biofilm associated genes in itraconazole resistant Candida albicans isolates causing onychomycosis

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This research examines why some fungal infections of the nails resist treatment with the antifungal drug itraconazole. Scientists found that resistant fungi produce more proteins that pump the drug out of their cells (efflux pumps) and form protective biofilm structures. Understanding these resistance mechanisms could help develop better combination treatments that work alongside antifungal drugs to overcome resistance.

Clinical and Genomic Insights into Antifungal Resistance in Aspergillus Isolates from Thailand

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Researchers in Thailand identified a dangerous fungal infection caused by Aspergillus fumigatus that is resistant to azole antifungal drugs. This is the first time this specific drug-resistant strain has been found in a patient sample in Thailand, though it had been previously detected in environmental samples. The study used genetic testing to understand how the fungus developed resistance and found that it has altered genes that help it survive the antifungal medications commonly used to treat infections.

Pathogen Enzyme-Mediated Alkoxyamine Homolysis as a Killing Mechanism of Aspergillus fumigatus

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Researchers have developed a new type of antifungal drug that uses the fungus’s own enzymes against it. The drug is inactive until it encounters an enzyme produced by Aspergillus fumigatus, where it releases toxic molecules that kill the fungus. Importantly, this approach works against both normal and drug-resistant strains of the fungus, offering hope for treating serious fungal infections that don’t respond to current treatments.

Evaluation of the combined efficacy of inhibitors of heat shock protein 90 and calcineurin with commonly used antifungals against Aspergillus, Rhizopus, and Fusarium isolates

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Scientists tested combinations of common antifungal medications with special inhibitor drugs that target fungal stress-response systems. When combined, these drugs worked better together against dangerous mold infections like Aspergillus and Rhizopus, especially those that are resistant to standard treatments. The combinations rarely caused harmful interactions and often enhanced the antifungal effects, suggesting this approach could improve treatment of serious mold infections.

Overexpression of efflux pump and biofilm associated genes in itraconazole resistant Candida albicans isolates causing onychomycosis

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Nail fungal infections caused by Candida albicans can be difficult to treat when the fungus becomes resistant to common antifungal medications like itraconazole. Researchers found that resistant strains have overactive genes that pump the drug out of fungal cells and genes that help the fungus form protective biofilm structures. Understanding these resistance mechanisms could lead to better combination treatments that block these protective strategies.

Prevalence of fungi and their antifungal and disinfectant resistance in hospital environments: insights into combating nosocomial mycoses

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This study examined fungal contamination in hospital intensive care units, finding that Aspergillus and other mold species are commonly present in air and ventilation systems. Importantly, many of these fungi have developed resistance to antifungal medications and hospital disinfectants, making them harder to treat and control. The researchers discovered that the same resistant fungi found in hospitals are similar to those infecting patients, suggesting that hospital environments may be spreading these dangerous infections.

Clinical aspects and recent advances in fungal diseases impacting human health

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Fungal infections are increasingly common health threats affecting over a billion people worldwide, ranging from minor allergies to serious life-threatening infections. The biggest problems are that fungi are becoming resistant to current medications, diagnosis can be difficult and slow, and treatment options are limited. Recent developments include new antifungal drugs like ibrexafungerp and rezafungin that work differently from older medications, offering hope for treating resistant infections. Better awareness among doctors and patients, faster diagnostic methods, and responsible use of antifungals are essential to combat this growing public health challenge.

Neosartorya udagawae pulmonary infection requiring a surgical treatment in a paediatric haematopoietic progenitor cell recipient

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A three-year-old boy with leukemia received a bone marrow transplant and developed a serious fungal lung infection caused by Neosartorya udagawae, a rare fungal pathogen. Despite receiving multiple antifungal medications at appropriate doses, the infection continued to worsen and spread in his lungs. Doctors ultimately had to surgically remove the infected portion of his lung (left upper lobe) to successfully treat the infection, and the child recovered completely without recurrence after three years of follow-up.

Research Keyword: antifungal resistance