Research Keyword: microglia activation

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.

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The Effect of Combined Treatment of Psilocybin and Eugenol on Lipopolysaccharide-Induced Brain Inflammation in Mice

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This study tested whether psilocybin (an active compound from magic mushrooms) combined with eugenol (a natural compound from cloves) could reduce brain inflammation in mice. Researchers gave mice a substance that triggers inflammation in the brain and then treated them with these compounds before or after the inflammation started. The combination treatment, especially at a 1:50 ratio of psilocybin to eugenol, significantly reduced multiple inflammatory markers in the brain, suggesting this combination could potentially be helpful for treating brain inflammation-related conditions.

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Microbial links to Alzheimer’s disease

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This review examines whether germs like bacteria, fungi, and viruses might play a role in causing Alzheimer’s disease. Scientists have found that certain bacteria from the mouth and gut, fungal infections, and cold sores (herpes viruses) appear more frequently in Alzheimer’s patients and may trigger the brain changes that damage memory and thinking. While the evidence is promising, researchers still need to determine whether these infections actually cause Alzheimer’s or simply make it worse once it develops.

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Cerebral Hypoxia-Induced Molecular Alterations and Their Impact on the Physiology of Neurons and Dendritic Spines: A Comprehensive Review

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This review explains how low oxygen levels in the brain damage nerve cells and their connection points (dendritic spines) through a cascade of molecular changes. The brain normally has protective mechanisms, but severe or prolonged hypoxia overwhelms these defenses, leading to memory loss and cognitive problems. Several molecular pathways and supporting cells called astrocytes and microglia can help protect neurons. Understanding these protective mechanisms may lead to new treatments for brain conditions caused by low oxygen, such as stroke.

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Exercise improves depressive-like behavior in adolescent mice by regulating sphingosine and ceramide metabolism through microglial CerS1

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Regular exercise, especially high-intensity training, can help improve depression symptoms in young people by changing how immune cells in the brain function. The study shows that exercise increases production of a specific enzyme (CerS1) in microglia, which are the brain’s immune cells. This enzyme helps balance certain fatty molecules that reduce brain inflammation, ultimately improving mood and reducing depression-like behaviors. The findings suggest exercise works similarly to antidepressant medications for adolescent depression.

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Immunomodulatory natural polysaccharide-based nanoparticles for the treatment of neurodegenerative diseases

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Scientists are developing tiny particles made from natural sugar-based compounds that can deliver medicine to the brain while reducing inflammation caused by neurodegenerative diseases like Alzheimer’s and Parkinson’s. These nanoparticles are special because they can cross the protective barrier surrounding the brain and carry therapeutic compounds directly to where they’re needed. The natural polysaccharides used to make these particles have built-in anti-inflammatory properties, making them safer and more effective than traditional approaches. This innovative technology shows promise for treating currently difficult-to-manage brain diseases.

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