Medicinal – Page 99

Extracellular Biosynthesis, Characterization and Antimicrobial Activity of Silver Nanoparticles Synthesized by Filamentous Fungi

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Researchers used three types of common fungi to create tiny silver particles in an environmentally friendly way. These silver nanoparticles were found to effectively kill harmful bacteria and fungal infections. The fungus Cladosporium cladosporoides was the most effective at producing these particles, showing promise for use in medical and health applications.

Ganoderic Acid A targeting leucine-rich repeat kinase 2 involved in Parkinson’s disease–A computational study

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Researchers used computer modeling to test five compounds from Reishi mushrooms against a protein called LRRK2 that is linked to Parkinson’s disease. Ganoderic Acid A showed the strongest binding to this target protein and could potentially be developed into a treatment. The findings suggest that Reishi mushroom compounds may help protect brain cells from the degeneration seen in Parkinson’s disease and warrant further laboratory and animal testing.

Cutaneous Mucormycosis Following Polytrauma: A Multidisciplinary Approach

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A 22-year-old man suffered severe injuries from a motorcycle-truck collision that damaged his perineal area and left thigh. Despite antibiotics and wound therapy, a dangerous fungal infection called mucormycosis developed in the wound. The medical team treated this by repeatedly removing infected tissue, using powerful antifungal medications (amphotericin B and posaconazole), and carefully managing the wound with special therapy before skin grafting, ultimately achieving successful healing.

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

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This study examined how pharmacy students could help improve the use of fluconazole, a common antifungal medication, in hospitals. Researchers found that nearly one-third of fluconazole prescriptions were not being used appropriately. By having pharmacy students participate in reviewing prescriptions under expert supervision, hospitals could better identify problems and educate future pharmacists, while the students gained valuable real-world experience in patient care.

Marine-derived Acremonium strain prioritization using untargeted metabolomics approach for the identification of cytotoxic cyclic depsipeptides

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Researchers discovered five potent anti-cancer compounds from Arctic fungi called Acremonium strains. Using advanced chemical analysis techniques, they identified and tested these cyclic depsipeptides against various cancer cell types. The most active compound showed promising results against breast cancer and melanoma cells with extremely low concentrations needed for effect. These findings suggest Arctic microorganisms could be valuable sources for developing new cancer treatments.

Novel secondary metabolite from a new species of Hypoxylon saxatilis sp. nov. for suppressing bacterial wilt in tomato

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Scientists discovered a new type of fungus called Hypoxylon saxatilis that produces a natural compound called tetrahydrofuran. This compound effectively kills the bacteria that cause tomato plants to wilt and die. When used on tomato plants in the greenhouse, this fungal extract reduced disease severity by over 83%, offering a safer, environmentally friendly alternative to chemical pesticides for protecting crops.

The interplay between the formation of Chinese cordyceps and the characteristics of soil properties and microbial network

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This research examined how soil properties and bacteria change during the growth of Chinese cordyceps, a valuable medicinal fungus found on the Qinghai-Tibet Plateau. Scientists discovered that the most critical stage occurs when the fungus infects and consumes the host larvae, during which soil becomes less acidic, loses nutrients, and experiences significant changes in bacterial communities. The findings show that specific bacteria like Pseudomonas and Dyella help the cordyceps grow by breaking down chitin from the larvae’s exoskeleton. Understanding these interactions can help improve artificial production of this expensive medicinal fungus.

Synthesis and biological assessment of novel 4H-chromene-3-carbonitrile derivatives as tyrosinase inhibitors

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Researchers developed new chemical compounds that can block tyrosinase, an enzyme responsible for producing excessive skin pigment that causes dark spots and discoloration. The most effective compound (6f) works better than kojic acid, a commonly used skin-lightening ingredient, and could lead to safer treatments for hyperpigmentation and related skin conditions. Computer simulations showed that one form of the compound fits better into the enzyme’s active site, making it more effective at preventing melanin production.

New epidemiological routes of Coccidioidomycosis in Mexico – the extension of this pathogen to new areas

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Coccidioidomycosis, a fungal lung disease traditionally found in desert regions of Mexico and the southwestern United States, is spreading to new areas where it was never seen before. Researchers tracked 122 cases between 1991 and 2023 and found that nearly half of the patients had no history of travel to known high-risk areas, suggesting the disease is becoming established in new locations. Climate change and drought conditions are likely helping the fungus expand its range, making it important for doctors everywhere to consider this disease when diagnosing respiratory infections.

Effects of Natural Polysaccharides on the Gut Microbiota Related to Human Metabolic Health

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Natural plant and organism sugars called polysaccharides can improve your gut health by feeding beneficial bacteria and strengthening your intestinal barrier. These compounds help prevent diseases like obesity, diabetes, and inflammatory bowel disease by changing the types of bacteria in your gut and producing helpful substances. Polysaccharides come from common foods like mushrooms, seaweed, berries, and vegetables, making them potential natural treatments for various health conditions.

Research Topic: Medicinal