oxidative stress – Page 2

The phenol-2-monooxygenase FgPhm1 regulates DON synthesis, pathogenicity and environmental stress response in Fusarium graminearum

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Researchers studied a fungal protein called FgPhm1 in a wheat-infecting fungus that produces harmful toxins called DON. By deleting this gene, they found that the fungus became unable to infect plants and produce toxins, making it less dangerous. The protein also helps the fungus handle stress conditions, and removing it makes the fungus sensitive to oxidative stress while paradoxically tolerant to phenol.

Biological Characteristics, Domesticated Cultivation Protocol, Antioxidant Activity, and Protective Effects against Cellular Oxidative Stress of an Underutilized Medicinal Mushroom: Fomitopsis palustris

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Researchers successfully grew and studied Fomitopsis palustris, a medicinal mushroom, in laboratory conditions. They discovered that the mushroom contains beneficial compounds that protect cells from damage caused by harmful free radicals. The polysaccharides extracted from the mushroom boosted the cells’ natural defense systems and reduced oxidative stress markers, suggesting potential health benefits for treating age-related and degenerative diseases.

Investigating the Neuroprotective, Hepatoprotective, and Antimicrobial Effects of Mushroom Extracts

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This study examined four types of edible mushrooms to see if they could protect against aging and fight harmful bacteria. Researchers gave mice an aging-inducing substance and then treated them with mushroom extracts. The mushrooms, particularly Lion’s Mane (Hericium erinaceus), helped prevent brain and liver damage, reduced inflammation, and showed antibacterial effects against multiple bacterial strains. These findings suggest mushrooms could be useful natural supplements to promote health and combat age-related decline.

Environmental pollution and its impact on hypertension: a review

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This review explains how environmental pollution from cars, factories, and industrial processes contributes to high blood pressure. Various pollutants like fine dust particles, heavy metals, and chemical vapors damage blood vessels and trigger inflammation in the body, leading to hypertension. Women after menopause and older adults are particularly vulnerable to these effects. The review emphasizes the importance of government policies, public education, and personal awareness in reducing pollution exposure and protecting heart health.

Analysis of Volatile Organic Compounds and Comparison of Heat Resistance Related Gene Expression in Pleurotus ostreatus Under Heat Stress

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This study examined how oyster mushrooms respond to high temperatures at different growth stages. Researchers found that young mycelium and mature fruiting bodies use different strategies to survive heat stress, which affects the flavor compounds they produce. Mycelium produces more of certain volatile compounds under heat stress, while fruiting bodies actually lose their characteristic mushroom flavor compound called 1-Octen-3-ol.

Neuroprotective Effect of Mixed Mushroom Mycelia Extract on Neurotoxicity and Neuroinflammation via Regulation of ROS-Induced Oxidative Stress in PC12 and BV2 Cells

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A mixture of three medicinal mushrooms (Phellinus linteus, Ganoderma lucidum, and Inonotus obliquus) was tested for its ability to protect nerve cells from damage. The extract successfully reduced cell death in laboratory models of neurodegeneration by reducing harmful molecules called reactive oxygen species and reducing inflammation. These results suggest the mushroom extract could potentially help prevent or slow neurological diseases like Alzheimer’s.

Anti-Inflammatory Effects of Solanum tuberosum L. Polysaccharide and Its Limited Gene Expression Profile

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Researchers studied a natural compound from potatoes called STP that reduces inflammation in the body. Using laboratory cells and animal models, they found that STP works similarly to the common pain reliever ibuprofen by reducing inflammatory chemicals and activating the body’s protective defense systems. This discovery suggests that potato-based polysaccharides could be developed into new treatments for inflammatory diseases and conditions related to oxidative stress.

Exploring Bacterial Interactions Under the Stress Gradient Hypothesis in Response to Selenium Stress

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This research reviews how bacteria respond to selenium pollution. Under low selenium stress, bacteria compete with each other for resources. As selenium levels increase, bacteria begin helping each other survive by producing detoxifying compounds. Some bacteria can convert toxic selenium into harmless forms, protecting less-tolerant bacteria in their community. Understanding these interactions helps us develop better strategies for cleaning up selenium-contaminated environments.

Exploring Therapeutic Potential of Pleurotus ostreatus and Agaricus bisporus Mushrooms against Hyperlipidemia and Oxidative Stress Using Animal Model

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Oyster and white button mushrooms may help lower cholesterol and protect against heart disease. In a study using rats with high cholesterol, mushroom extracts reduced harmful cholesterol levels and improved the body’s natural defense against oxidative damage. These common, affordable mushrooms contain beneficial compounds that could be incorporated into diets as a natural way to support heart health and manage cholesterol.

Antioxidative Activities of Micronized Solid-State Cultivated Hericium erinaceus Rich in Erinacine A against MPTP-Induced Damages

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Researchers tested a processed form of Lion’s mane mushroom (Hericium erinaceus) to see if it could protect against Parkinson’s disease-like damage in mice. The mushroom mycelium was specially processed to break down cell walls and increase its effectiveness. When given to mice exposed to a Parkinson’s-causing toxin, the mushroom treatment restored dopamine levels and reduced harmful oxidative stress in the brain and liver in a dose-dependent manner.

Research Topic: oxidative stress