Cryptococcosis – Page 8

Mediastinal cryptococcoma as part of disseminated cryptococcosis in HIV-negative pregnant woman with Myasthenia Gravis: Autopsy case report

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A 29-year-old pregnant woman with myasthenia gravis died from a widespread fungal infection caused by Cryptococcus, which formed a large mass in her chest. Although she tested negative for HIV, her use of immunosuppressive medications to treat her muscle disease, combined with pregnancy’s natural effects on immune function, made her vulnerable to this serious fungal infection. The infection was initially misdiagnosed as tuberculosis, and the diagnosis was only confirmed after her death during autopsy, highlighting the importance of testing for fungal infections even in patients without HIV.

Isolation and Identification of Chemical Compounds from Agaricus blazei Murrill and Their In Vitro Antifungal Activities

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Researchers extracted and identified six chemical compounds from A. blazei mushrooms and tested their ability to fight fungal infections. The compounds showed promising activity against common fungal pathogens that cause infections in humans. This research suggests that A. blazei could be developed into natural antifungal treatments. The findings add to growing evidence that medicinal mushrooms contain valuable bioactive compounds with therapeutic potential.

Emerging Infections Network Survey of Screening for Cryptococcal Antigenemia, United States, 2024

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Researchers surveyed infectious disease doctors across the United States to understand how often they test HIV patients for cryptococcal antigen, a fungal infection that can be serious. The study found that doctors don’t consistently follow recommended screening guidelines, with many uncertain about the benefits of testing. Key barriers included confusion about testing recommendations and concerns about delaying HIV treatment, suggesting that doctors need better education about the importance of early detection.

Enhancing antifungal stewardship: The educational and healthcare benefits of involving pharmacy students in audits

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Researchers studied how involving pharmacy students in reviewing fluconazole (an antifungal medication) prescriptions could help hospitals improve their antifungal medication use and provide valuable training. Out of 145 prescriptions audited, about two-thirds were appropriate while one-third had issues like unnecessary use or drug interactions. Both the students and hospitals benefited significantly, with students gaining practical clinical experience while hospitals identified prescribing problems that could be improved.

Unveiling new features of the human pathogen Cryptococcus neoformans through the reconstruction and exploitation of a dedicated genome-scale metabolic model

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Scientists have created a detailed computer model of how the dangerous fungus Cryptococcus neoformans works at the metabolic level. By studying 890 genes and thousands of chemical reactions in this pathogen, they identified new weak points that could be targeted with future antifungal drugs. The model reveals why this fungus is particularly good at causing brain infections and shows several unique metabolic features not found in other pathogenic yeasts, offering hope for more effective treatments.

Past, present and future of antifungals: Advancements in mechanisms of action and resistance

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Fungal infections are a growing global health problem, particularly for people with weakened immune systems, causing millions of deaths annually. Current antifungal medications are limited and increasingly ineffective due to drug-resistant fungi. This special issue explores new treatment strategies including novel drugs, combination therapies, and innovative approaches like nanoparticles and antimicrobial peptides to combat these serious infections.

Temporal and thermal optimization of trypsin digestion for the cryptococcal proteome

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Scientists optimized how to digest proteins from a dangerous fungus called Cryptococcus neoformans to better identify all its proteins. They tested different time and temperature combinations for enzyme treatment and found that shorter digestion times (1 hour instead of overnight) work just as well. This finding makes protein analysis faster and easier for studying fungal infections and finding new treatments.

Drug repurposing to fight resistant fungal species: Recent developments as novel therapeutic strategies

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This editorial highlights the growing problem of fungal infections that resist current treatments, causing millions of deaths worldwide each year. Researchers are finding new ways to fight these resistant infections by repurposing existing drugs in new combinations and discovering novel compounds from natural sources. The collection of studies presented shows promising results using combinations like minocycline with antifungal drugs, natural compounds like baicalin, and AI technology to predict resistance patterns. These innovative approaches offer hope for better treatment options for patients suffering from serious fungal infections.

ESCMID-EFISG Survey on Diagnostic and Therapeutic Capacity for Invasive Fungal Infections in Belgium, the Netherlands, and Luxembourg: A Focus on High Azole Resistance

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This survey examined how well hospitals in Belgium, the Netherlands, and Luxembourg can diagnose and treat serious fungal infections, especially in patients whose immune systems are weakened. The researchers found that while most hospitals have good access to testing and antifungal medications, some important tests are still missing, and many hospitals send samples to other facilities for testing, which can delay treatment. Since this region has unusually high rates of fungal infections that resist common antifungal drugs, improving access to advanced diagnostic tests is crucial for patient survival.

Effects of simulated microgravity on biological features and virulence of the fungal pathogen Cryptococcus neoformans

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Scientists studied how a dangerous fungus called Cryptococcus neoformans behaves in space-like conditions. They found that in simulated microgravity, the fungus becomes more dangerous by developing thicker protective capsules and producing more melanin, while also becoming more resistant to certain stresses. Interestingly, the fungus became more sensitive to one antifungal drug but maintained resistance to others. When tested on microscopic worms, the fungus grown in simulated microgravity killed them more quickly, suggesting space conditions could make this fungus more harmful to astronauts.

Disease: Cryptococcosis