Medicinal – Page 167

Fungal peritonitis in a patient on peritoneal dialysis caused by Hyphopichia burtonii: A rare pathogen in human infection

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A woman undergoing peritoneal dialysis for kidney failure developed a serious fungal infection caused by a rare yeast called Hyphopichia burtonii. Doctors identified the infection using advanced laboratory techniques and treated her with antifungal medication after removing her dialysis catheter. She recovered well and switched to a different type of dialysis. This case highlights how unusual fungi can cause infections in patients with weakened kidney function.

Physicochemical Characteristics of Chitosan Extracted from Pleurotus ostreatus and Its Anticancer Activity Against the MDA-MB-231 Breast Cancer Cell Line

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Researchers extracted a compound called chitosan from oyster mushrooms (Pleurotus ostreatus) and tested its ability to fight breast cancer cells. The chitosan successfully killed cancer cells by triggering apoptosis, a natural cell death process, while showing promise as a safer alternative to conventional chemotherapy. The study demonstrates that mushroom-derived compounds could have significant therapeutic potential for cancer treatment with fewer side effects than traditional drugs.

Life-threatening airway stenosis due to Scedosporium infection during nontuberculous mycobacteria treatment: A case report

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A 73-year-old woman with arthritis treated with immunosuppressive drugs and a lung infection developed a life-threatening narrowing of her airway caused by a rare fungal infection called Scedosporium apiospermum. Doctors used a combination of emergency measures including a breathing support machine, insertion of a special tube to keep the airway open, and strong antifungal medication to treat the infection. After six months of treatment, the fungal infection was completely gone and the special airway tube was successfully removed, allowing normal healing.

Three Different Types of β-Glucans Enhance Cognition: The Role of the Gut-Brain Axis

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Researchers tested three types of β-glucans—fiber compounds found in mushrooms, oats, and other foods—to see if they could improve memory in mice. All three types enhanced recognition memory and reduced brain inflammation, while only oat β-glucan significantly changed gut bacteria composition. The findings suggest that different β-glucans may help prevent cognitive decline through different mechanisms involving the gut-brain connection.

A Case of Pulmonary Infection Due to Magnusiomyces capitatus in a Non-Immunocompromised Patient with Cerebral Palsy

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A young man with cerebral palsy developed a rare lung infection caused by Magnusiomyces capitatus, a fungus that usually only affects people with weakened immune systems. Doctors diagnosed the infection by analyzing fluid from his lungs and identified the fungus using advanced laboratory techniques. The patient improved after being treated with an antifungal medication called voriconazole. This case highlights that this rare fungal infection can occur in otherwise healthy people, especially those with conditions affecting their ability to clear lung secretions.

The Transformation and Protein Expression of the Edible Mushroom Stropharia rugosoannulata Protoplasts by Agrobacterium-tumefaciens-Mediated Transformation

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Researchers successfully developed a method to genetically modify the edible mushroom Stropharia rugosoannulata using Agrobacterium tumefaciens bacteria. This technique allows scientists to insert and express foreign genes in the mushroom, providing tools to study how specific genes control mushroom growth and the production of health-promoting compounds. The study demonstrates that both artificial and natural resistance markers can be used to identify successfully transformed mushrooms, offering a foundation for improving mushroom cultivation and breeding.

Development of Hybrid Pleurotus cystidiosus Strains with Enhanced Functional Properties

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Scientists created new hybrid varieties of abalone mushrooms by breeding two different strains together. These new hybrids produced more health-beneficial compounds like antioxidants and fiber-like polysaccharides than their parent strains. Two particularly promising hybrids, PA-132 and PA-054, showed the strongest antioxidant properties and could potentially be developed into functional food products for health and wellness applications.

Analysis of the correlation between the distribution of microorganisms carried by Coix seed and fungal toxins, and the biological control of aflatoxin

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Coix seeds are popular in traditional Chinese medicine and food, but they can become contaminated with harmful fungi that produce toxins called mycotoxins. This study examined which fungi grow in Coix seeds from different regions and found that certain bacteria called Bacillus can effectively prevent dangerous mold from growing and producing toxins. By using these beneficial bacteria, producers can keep Coix seeds safer for people to consume as medicine or food.

Anti-Influenza Activity of Medicinal Material Extracts from Qinghai–Tibet Plateau

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Researchers tested extracts from traditional Tibetan medicinal plants, mushrooms, and lichens to see if they could fight influenza virus. They found that seven out of nine extracts could reduce influenza virus infection in laboratory cells, with a mushroom extract called Armillaria luteo-virens showing particularly strong antiviral effects. These results suggest that traditional medicinal materials from the Qinghai–Tibetan plateau could be valuable sources for developing new flu treatments that might work better against drug-resistant flu strains.

Vesicle inhibition reduces Candida biofilm resistance

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Researchers found that common FDA-approved drugs designed to block vesicle production in human cells can also reduce the protective matrix that Candida fungus builds around itself in biofilms. By combining these vesicle-blocking drugs with the antifungal fluconazole, the scientists were able to kill biofilm-forming Candida more effectively than either treatment alone. This discovery suggests a new approach to treating stubborn fungal infections on medical devices like catheters, potentially eliminating the need to surgically remove infected equipment.

Research Topic: Medicinal