Medicinal – Page 120

Photo Quiz: A cutaneous fungal infection with discordant biomarker results—a diagnostic challenge

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A woman with advanced HIV infection presented with skin sores and respiratory symptoms that were initially suspected to be a viral infection. Testing revealed she had histoplasmosis, a serious fungal infection caused by Histoplasma capsulatum that had spread throughout her body affecting her skin, lungs, and lymph nodes. While standard tests for this fungus were negative, other fungal markers and cultures eventually confirmed the diagnosis, and she was treated with antifungal medications.

Dual fungal endocarditis in a pediatric dialysis patient: First case of Aspergillus flavus and Candida parapsilosis co-infection

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A 13-year-old boy with kidney disease requiring dialysis developed a rare dual fungal heart infection caused by two different fungi simultaneously. Doctors diagnosed the infection using heart imaging, blood tests, and tissue examination, then treated him with antifungal medications and two heart surgeries to remove infected tissue and replace a damaged heart valve. Despite the extreme rarity and severity of this condition, the patient survived, which had never been reported in children before.

The association of Yarrowia lipolytica with onychomycosis

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A 20-year-old woman suffered from a persistent toenail infection that didn’t respond to several standard antifungal treatments over five years. Researchers identified the culprit as Yarrowia lipolytica, a rare yeast not previously known to cause nail infections. Testing showed this yeast was resistant to common antifungal medications the patient had received, explaining why previous treatments failed. This unusual case highlights the importance of properly identifying fungal pathogens and testing them for drug resistance before starting treatment.

Invasive Rhinocerebral Mucormycosis Is a Rare Complication in Systemic Juvenile Idiopathic Arthritis Patient

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A 5-year-old girl with systemic juvenile arthritis being treated with immunosuppressive medications developed a rare and serious fungal infection in her nose and sinuses caused by a mold called Lichtheimia. The infection caused tissue death and spread toward her brain, but was successfully treated with combination antifungal drugs and surgery. This case highlights how powerful immunosuppressive treatments for severe arthritis can increase the risk of life-threatening fungal infections.

Morpho-phylogenetic evidence reveals novel hyphomycetous fungi on medicinal plants in Southwestern China

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Researchers discovered and described 12 new species of fungi found on medicinal plants in southwestern China. By examining the fungi’s appearance under microscopes and analyzing their DNA, scientists confirmed these were previously unknown species. Some of these fungi may produce beneficial compounds while others produce toxins, highlighting the importance of understanding which fungi live on medicinal plants to ensure their quality and safety for human use.

Correlation between Vegetable and Fruit Intake and Cognitive Function in Older Adults: A Cross-Sectional Study in Chongqing, China

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This study examined how eating different types of fruits and vegetables affects brain health in older adults in Chongqing, China. Researchers found that higher fruit intake and eating more root vegetables (like carrots and turnips) were associated with better cognitive function and lower risk of mild cognitive impairment. Some vegetables like tomatoes and peppers also showed protective benefits, while leafy greens did not show a significant effect. The findings suggest that encouraging older adults to eat more fruits and certain vegetables could help prevent memory problems and cognitive decline.

Hirsutanone Isolated from the Bark of Alnus japonica Attenuates Melanogenesis via Dual Inhibition of Tyrosinase Activity and Expression of Melanogenic Proteins

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Researchers found that hirsutanone, a natural compound from East Asian alder bark, can reduce skin pigmentation by blocking melanin production through two mechanisms: directly inhibiting the tyrosinase enzyme and suppressing the cellular signals that trigger melanin-producing genes. In laboratory tests with both mouse and human skin cells, hirsutanone proved more effective than a related compound called oregonin at reducing melanin without harming the cells. This discovery suggests hirsutanone could potentially be developed into a treatment for pigmentation problems like age spots and melasma.

From Mushrooms to Molecules: Exploring Depsidones in Ganoderma lucidum for Antioxidant and Anticancer Applications

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This research examined reishi mushroom (Ganoderma lucidum), a traditional medicinal fungus, to find rare compounds called depsidones with potential cancer-fighting properties. Scientists extracted these compounds using different solvents and tested them against four types of cancer cells (liver, colon, breast, and lung cancer), finding that they successfully killed cancer cells while being safe to normal cells. Using advanced chemical analysis and computer modeling, they identified nine new depsidone compounds in reishi and showed how these compounds could bind to cancer-related proteins to stop tumor growth.

Characterizing antimicrobial activity of environmental Streptomyces spp. and oral bacterial and fungal isolates from Canis familiaris and Felis catus

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Researchers collected bacteria and fungi from the mouths of pet dogs and cats, as well as environmental soil bacteria, to search for natural antimicrobial compounds. They found that some of these microorganisms produce substances that can kill harmful bacteria like E. coli and fungi like Candida albicans, especially when combined with existing antifungal medications. Notably, one environmental bacterium (Streptomyces) produced a compound that was even effective against fungal strains resistant to common antifungal drugs, suggesting promising new treatment possibilities.

Himalayan Mushrooms as a Natural Source of Ergosterol and Vitamin D2: A Review of Nutraceutical and Functional Food Perspectives

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Mushrooms from the Himalayan region are naturally rich in ergosterol, a compound that converts to vitamin D2 when exposed to sunlight or UV light. This review explores how mushrooms can serve as sustainable, plant-based sources of vitamin D to address deficiencies in populations with limited sun exposure. By understanding how environmental factors and UV treatment affect ergosterol levels, scientists can develop enriched mushroom-based foods and supplements with enhanced nutritional benefits.

Research Topic: Medicinal