Medicinal – Page 60

Efficacy of PVX and PEGylated PVX as intratumoral immunotherapy

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Researchers developed an improved version of a plant virus particle called potato virus X (PVX) by coating it with polyethylene glycol (PEG) to use as a cancer treatment. When injected directly into tumors, these PVX-PEG particles stimulate the body’s immune system to attack cancer cells. The PEG coating makes the treatment more stable, longer-lasting in tumors, and less likely to be rejected by antibodies from prior exposure to plant viruses, while maintaining its cancer-fighting effectiveness.

Microminutinin, a Fused Bis-Furan Coumarin from Murraya euchrestifolia, Exhibits Strong Broad-Spectrum Antifungal Activity by Disrupting Cell Membranes and Walls

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Researchers discovered a natural compound called microminutinin from a plant used in traditional medicine. This compound shows strong ability to kill various fungal pathogens that damage crops, particularly tea plants. The compound works by breaking down the protective structures of fungal cells, making it a promising candidate for developing safer, plant-based fungicides for agriculture.

The emerging fungal pathogen Cryptococcus gattii: Epidemiology, pathogenesis, immunomodulatory attributes, and drug susceptibility

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Cryptococcus gattii is a dangerous fungal infection that can affect even healthy people, unlike most fungal infections that target those with weak immune systems. The fungus uses clever tricks to hide from the immune system, including creating protective capsules and producing melanin. Current antifungal drugs like fluconazole are becoming less effective as the fungus develops resistance, making this an urgent public health concern that requires better treatments and early detection.

Microfungus Podosphaera fusca and the Fungus-like Organism Peronospora ficariae as Potential Inhalant Allergens in a Mouse Model of Asthma

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Scientists studied two fungi that infect plants to see if they could cause asthma-like reactions in mice. They found that these fungi triggered inflammatory responses and produced antibodies similar to other known allergens. While not as potent as ovalbumin (a common test allergen), these plant-infecting fungi showed potential as respiratory allergens that may affect people exposed to them.

Intermittent low-dose far-UVC irradiation inhibits growth of common mold below threshold limit value

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This study shows that a special type of ultraviolet light called far-UVC, operating at 222 nanometers, can effectively stop common household mold from growing. The light works best when it cycles on and off throughout the day, and importantly, the doses used are safe enough for people to be in the same room. This technology could help prevent mold problems in homes and hospitals without requiring chemicals or forcing people to leave the area.

Microglia and astrocytes mediate synapse engulfment in a MER tyrosine kinase-dependent manner after traumatic brain injury

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After a traumatic brain injury, brain cells called microglia and astrocytes overzealously consume synapses (connections between neurons), which prevents the brain from healing properly. This study shows that these brain cells use a specific protein called MERTK to do this unwanted cleanup. When researchers blocked MERTK in these cells, the mice recovered better motor and cognitive function, had smaller brain injuries, and maintained more healthy synapses.

Disseminated sporotrichosis caused by Sporothrix brasiliensis with testicular involvement

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A 35-year-old homeless man with HIV developed a serious fungal infection caused by Sporothrix brasiliensis that spread throughout his body, including to his brain and testicles. A testicle lump was initially thought to be cancer and surgically removed, but it was actually a fungal infection. This is only the fifth case ever reported of this fungus infecting testicles. The patient was successfully treated with antifungal medications and remains healthy one year later.

Antifungal mechanism of ketone volatile organic compounds against Pseudogymnoascus destructans

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Researchers discovered that two ketone compounds, 2-undecanone and 2-nonanone, effectively kill Pseudogymnoascus destructans, the fungus that causes white-nose syndrome in bats. Using advanced genetic analysis, they found these ketones work by damaging the fungus’s cell structure, disrupting its energy production, and causing DNA damage. This research provides a foundation for developing new fumigant treatments to protect bat populations from this devastating fungal disease.

Impact of Artemisia argyi and Stevia rebaudiana substrate composition on the nutritional quality, yield and mycelial growth of L. edodes addressing future food challenges

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This study shows that shiitake mushrooms can be grown on agricultural waste materials like wormwood and stevia instead of traditional sawdust. Using 45% wormwood or 30% stevia in the growing substrate improved both the mushroom yield and their nutritional content, including important compounds with health benefits. These findings suggest environmentally friendly and sustainable alternatives for mushroom farming that reduce reliance on wood resources while maintaining or improving food quality.

Bridging gaps in the elimination of deep mycoses: a comparative analysis of mycetoma and chromoblastomycosis control strategies in Rwanda and China

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Mycetoma and chromoblastomycosis are serious fungal infections that primarily affect poor communities in tropical regions, causing permanent disability and limb loss. This review compares how China and Rwanda are tackling these diseases, finding that China has advanced laboratories and testing methods while Rwanda excels at reaching rural communities. The study recommends that both countries work together, combining China’s advanced diagnostic technology with Rwanda’s successful community health approach to better control these neglected diseases.

Research Topic: Medicinal