Alzheimer’s disease – Page 7

Ganoderic Acid A targeting leucine-rich repeat kinase 2 involved in Parkinson’s disease–A computational study

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Researchers used computer modeling to test five compounds from Reishi mushrooms against a protein called LRRK2 that is linked to Parkinson’s disease. Ganoderic Acid A showed the strongest binding to this target protein and could potentially be developed into a treatment. The findings suggest that Reishi mushroom compounds may help protect brain cells from the degeneration seen in Parkinson’s disease and warrant further laboratory and animal testing.

Long term worsening of amyloid pathology, cerebral function, and cognition after a single inoculation of beta-amyloid seeds with Osaka mutation

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Researchers found that a single exposure to mutated amyloid-beta proteins (Aβ Osaka) in the brains of genetically modified mice caused lasting damage over four months. The mutated proteins triggered more severe memory loss, brain connectivity problems, and synapse damage compared to normal amyloid-beta. This suggests that even one encounter with mutated amyloid proteins can set off a chain reaction of disease progression that persists long after initial exposure.

Neuronal TIMP2 regulates hippocampus-dependent plasticity and extracellular matrix complexity

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Scientists discovered that a protein called TIMP2, which is naturally higher in young blood, plays a crucial role in maintaining brain memory and learning ability. Using laboratory mice, they found that TIMP2 helps keep the brain’s cellular environment flexible by controlling the buildup of structural proteins around nerve connections. Without adequate TIMP2, the brain develops more rigid connections that interfere with forming new memories and creating new brain cells, mimicking changes seen in aging and cognitive decline.

Bioactive Steroids Bearing Oxirane Ring

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This research reviews special types of steroids that contain oxirane rings, which are highly reactive chemical structures found in marine organisms, fungi, and plants. These compounds have shown promise in treating various diseases including cancer, inflammation, and high cholesterol. Scientists used computer software to predict and analyze the biological activities of over 150 different epoxy steroids, categorizing them by the position of their oxirane ring. The findings suggest these natural compounds could be valuable for developing new medicines and understanding how chemicals interact with our bodies.

New bioactive secondary metabolites from fungi: 2024

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Scientists discovered 907 new compounds from fungi in 2024, with most being terpenoids and polyketides that show promise as medicines. These fungal compounds demonstrate strong activity against bacteria, fungi, and inflammation, with some showing potential against cancer and diabetes. The research uses advanced techniques like genome mining and metabolomics to find these compounds more efficiently. This accelerating discovery rate suggests fungi could be a major source for developing new drugs to treat various diseases.

FTIR Characterization and Bioactivity Assessment of Cinnamomum camphora Essential Oil: Antioxidant, Anti-Enzymatic, and Antifungal Properties Against Phytopathogens

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Camphor tree essential oil has been studied for its ability to fight fungal diseases that harm crops and its potential health benefits. The research found that this natural oil completely stops the growth of several harmful fungi at high concentrations, making it a promising eco-friendly alternative to synthetic pesticides. The oil also showed antioxidant properties and may help regulate blood sugar levels, suggesting uses in both agriculture and medicine.

Artificial intelligence-assisted optimization of extraction enhances the biological activity of Phylloporia ribis

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Scientists optimized how to extract beneficial compounds from Phylloporia ribis mushrooms using artificial intelligence, finding that an AI-assisted method produced extracts with stronger antioxidant power and cancer-fighting properties than traditional statistical approaches. The optimized extracts showed promise in fighting free radicals, potentially supporting brain health against Alzheimer’s disease, and slowing cancer cell growth. This research demonstrates how combining mushroom extraction with modern AI technology could lead to more effective natural medicines.

Selenoproteins in Health

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Selenium is an essential nutrient that your body needs for healthy immune function, protection against oxidative stress, and proper thyroid function. While you can get selenium from foods like grains, vegetables, nuts, and animal products, the amount available depends on soil selenium levels in the regions where food is grown. Organic forms of selenium from food sources are more effective and safer than inorganic supplements, providing better protection against diseases like cancer, diabetes, and cardiovascular conditions.

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.

Regulation and functions of alternative polyadenylation in fungi

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This review explains how fungi use a process called alternative polyadenylation to create different versions of proteins from the same gene. Think of it like different recipes using the same ingredients but with different instructions. This process is important for fungal survival, growth, and ability to cause disease. Scientists are developing new tools and techniques to study this process, which could lead to better treatments for fungal infections.

Disease: Alzheimer's disease