Medicinal – Page 113

Healthcare-associated fungal infections and emerging pathogens during the COVID-19 pandemic

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During the COVID-19 pandemic, fungal infections became a major health concern, especially in hospitalized patients. Treatments for COVID-19, such as steroids and immunosuppressive drugs, weakened patients’ immune systems, making them vulnerable to serious fungal infections like those caused by Candida auris. Current antifungal medications have significant side effects and many fungi are developing resistance, so scientists are urgently seeking safer and more effective antifungal treatments.

Genotypic and Phenotypic Investigation of Clinical Aspergillus isolates from Iran Indicates Nosocomial Transmission Events of Aspergillus flavus

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Researchers studied fungal infections caused by Aspergillus species in Iranian hospitals from 2020 to 2023. They found that Aspergillus flavus was the most common cause of infection and discovered evidence of several hospital-related outbreaks through genetic analysis. All isolates tested were susceptible to current antifungal medications, but the discovery of hospital transmission suggests the need for better infection control measures like improved air filtration in hospitals.

Characterization of Biofilm Formation by the Dermatophyte Nannizzia gypsea

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This research studies how a fungus called Nannizzia gypsea forms protective biofilms on skin and hair, making infections harder to treat. Scientists grew the fungus in the lab and on real human hair, discovering it creates thick slime-like protective layers containing proteins, sugars, and DNA. The fungus also produces enzymes that break down keratin (the main protein in skin and hair) and activates drug-pumping proteins that help it resist antifungal medications. Understanding these defense mechanisms could help develop better treatments for fungal skin infections that are currently difficult to cure.

Endogenous Endophthalmitis: An underestimated serious complication in patients with disseminated fusariosis

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An 18-year-old boy with acute leukemia developed a serious fungal infection caused by Fusarium mold that spread throughout his body, including to both eyes. Despite receiving intensive antifungal medications injected directly into his eyes along with systemic treatment, he lost his vision. However, through aggressive combined therapy, doctors were able to save both eyes and continue his cancer treatment successfully.

Epidemiology of Candidemia, Candiduria and Emerging Candidozyma (Candida) auris Across Gulf Cooperative Council Countries and Yemen in the Arabian Peninsula

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This comprehensive review examines fungal bloodstream and urinary tract infections caused by Candida species across Middle Eastern countries. The study shows that while Candida albicans remains common, dangerous antibiotic-resistant strains like Candidozyma auris are increasingly appearing in hospitals. The research highlights that better diagnostic tools and infection prevention practices are urgently needed in the region to protect patients and reduce deaths from these serious infections.

Anticancer drugs targeting topoisomerase II for antifungal treatment

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Researchers found that several anticancer drugs commonly used to treat human cancers can also effectively kill fungal infections, especially resistant strains of Candida. The most promising drug, idarubicin, works by targeting an essential enzyme in fungi called topoisomerase II, causing DNA damage and cell death. This discovery suggests a new strategy for treating serious fungal infections by repurposing existing cancer medications, particularly for patients with drug-resistant infections.

Optimisation and Characterisation of Novel Angiotensin-Converting Enzyme Inhibitory Peptides Prepared by Double Enzymatic Hydrolysis from Agaricus bisporus Scraps

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Scientists discovered three new peptides in common button mushroom scraps that can lower blood pressure by blocking an enzyme called ACE. Using special enzymes to break down mushroom proteins and then purifying the result, they created peptides with strong blood pressure-lowering activity that survive stomach digestion well. This finding turns mushroom waste into a valuable source for making natural blood pressure medications that are safer than synthetic alternatives.

The association of Yarrowia lipolytica with onychomycosis

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A 20-year-old woman had a persistent toenail infection that did not respond to multiple antifungal treatments. Researchers identified the cause as Yarrowia lipolytica, an unusual yeast that had never been found causing nail infections before. The yeast was resistant to several common antifungal medications, explaining why previous treatments failed. This case shows the importance of identifying the exact fungus causing an infection to develop effective treatment strategies.

Characterization of the gut mycobiome in patients with non-alcoholic fatty liver disease and correlations with serum metabolome

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This study examined fungi in the gut of people with fatty liver disease and found that certain fungal species are more common in diseased patients. By analyzing both gut fungi and blood chemicals, researchers discovered that fungi significantly influence metabolic substances related to liver health. A computer model combining information about gut fungi and bacteria could identify fatty liver disease with reasonable accuracy, suggesting that fungi could be useful for disease diagnosis and potential treatment.

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 about how often they screen HIV patients for cryptococcal infections using a simple blood test. They found that only about one-third to two-thirds of doctors regularly perform this screening despite guidelines recommending it. Many doctors expressed uncertainty about whether the screening is beneficial or weren’t sure about the official recommendations, suggesting a need for better education about this potentially life-saving test.

Research Topic: Medicinal