Research Keyword: NADPH oxidase

Immunomodulatory functions of fungal melanins in respiratory infections

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Some dangerous fungi produce a dark pigment called melanin that acts like a cloak, protecting them from the body’s immune system. This review explains how melanin blocks multiple immune defenses, including suppressing warning signals to immune cells, preventing immune cells from engulfing and killing the fungi, and even absorbing harmful reactive molecules. Understanding these sneaky tactics could help scientists develop new treatments that strip away this protective cloak, making the fungi vulnerable to both the body’s natural defenses and antifungal drugs.

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Global research hotspots and trends in oxidative stress-related diabetic nephropathy: a bibliometric study

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This study analyzed over 4,000 research papers published between 2014 and 2024 about how oxidative stress damages kidneys in diabetic patients. Researchers found that China and the United States lead this research field, with increasing focus on natural compounds and traditional medicines that can reduce harmful reactive oxygen species. The findings suggest future treatments for diabetic kidney disease should target oxidative stress through both conventional drugs and natural antioxidant compounds derived from plants and fungi.

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Glucose-6-Phosphate Dehydrogenase Modulates Shiraia Hypocrellin A Biosynthesis Through ROS/NO Signaling in Response to Bamboo Polysaccharide Elicitation

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Researchers discovered that a naturally derived compound from bamboo boosts the production of hypocrellin A, a promising cancer-fighting and antimicrobial agent made by a special fungus. By studying a key enzyme called G6PDH, they found that it acts as a molecular switch controlling hypocrellin production when the fungus senses bamboo components. This discovery enables cost-effective large-scale production of this powerful medicine through simple fermentation, potentially making novel cancer treatments and antibiotics more accessible.

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BTK drives neutrophil activation for sterilizing antifungal immunity

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BTK is a protein that helps neutrophils (immune cells) fight fungal infections, particularly Aspergillus fumigatus. A cancer drug called ibrutinib blocks BTK, which weakens neutrophil antifungal responses and increases the risk of serious fungal infections. The study found that GM-CSF may help restore some immune function in patients taking BTK-blocking drugs, offering a potential strategy to prevent these dangerous infections.

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Cytophysiological manifestations of wheat’s defense reactions against stem rust induced by the biofungicide Novochizol

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Novochizol, a new type of chitosan-based treatment, helps wheat plants defend themselves against stem rust by triggering natural immune responses. When wheat seedlings are treated with Novochizol four days before rust infection, the plants accumulate protective molecules like hydrogen peroxide and phenolic compounds that kill many of the rust fungus colonies before they can spread. This reduces disease damage by 50-55% compared to untreated plants, offering a promising biological alternative to synthetic fungicides.

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Glucose-6-Phosphate Dehydrogenase Modulates Shiraia Hypocrellin A Biosynthesis Through ROS/NO Signaling in Response to Bamboo Polysaccharide Elicitation

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Researchers discovered that a specific enzyme called glucose-6-phosphate dehydrogenase (G6PDH) controls the production of hypocrellin A, a powerful therapeutic compound found in Shiraia fungi. When bamboo polysaccharides are added to fungal cultures, they trigger G6PDH activity, which then increases the production of signaling molecules that boost hypocrellin A biosynthesis. This finding could lead to better ways to produce this promising cancer-fighting photosensitizer at industrial scales using simple, cost-effective methods.

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