Alzheimer’s disease – Page 9

β-secretase inhibition prevents structural spine plasticity deficits in AppNL-G-F mice

mycolabadmin

Researchers tested whether a drug that blocks BACE1 (an enzyme involved in Alzheimer’s disease) could protect nerve cell connections in a mouse model of Alzheimer’s disease. They found that at high doses, the drug significantly improved the formation of new dendritic spines (connection points between neurons) and restored synaptic activity to near-normal levels. These findings suggest that using BACE1 inhibitors early in Alzheimer’s disease development, before widespread neuronal damage occurs, might help prevent cognitive decline.

Influences of substrate and tissue type on erinacine production and biosynthetic gene expression in Hericium erinaceus

mycolabadmin

This study examined how different growing conditions and tissue types affect erinacine production in lion’s mane mushrooms. Researchers found that mycelium (the fungal threads) produced far more erinacines than fruit bodies, and that the type of growth medium significantly influenced which erinacines were produced. Interestingly, changes in erinacine production weren’t always reflected in gene activity levels, suggesting other cellular mechanisms control these beneficial compounds.

Pharmaceutical Pollution in Aquatic Environments: A Concise Review of Environmental Impacts and Bioremediation Systems

mycolabadmin

Medications we take for health are ending up in our water supplies in significant amounts because standard water treatment plants cannot remove them effectively. These pharmaceutical residues are harming wildlife and aquatic ecosystems, causing problems like population declines in birds, developmental issues in fish, and the spread of antibiotic resistance. Scientists are developing new bioremediation technologies, particularly using fungi and mycoremediation, to better remove these drugs from wastewater before they reach our water bodies.

Construction of a genetic linkage map and detection of quantitative trait locus for the ergothioneine content in tamogitake mushroom (Pleurotus cornucopiae var. citrinopileatus)

mycolabadmin

Researchers created the first genetic map of tamogitake mushrooms to identify genes controlling ergothioneine content. Ergothioneine is an antioxidant compound that provides health benefits like fighting inflammation and protecting brain health. They found one key genetic marker that reliably predicts which mushrooms will have high ergothioneine levels, enabling farmers to selectively breed mushrooms with enhanced health benefits.

Polysorbate 80 Differentially Impacts Erinacine Production Profiles in Submerged Cultures of Hericium

mycolabadmin

Lion’s mane mushroom and related Hericium species produce beneficial compounds called erinacines that may protect the brain and help with neurological conditions. This study tested how adding glucose and a substance called polysorbate 80 to mushroom cultures affects erinacine production. Interestingly, while polysorbate 80 helped mushrooms grow more, it reduced erinacine levels in most strains, though effects varied by species. The findings could help cultivators choose conditions to grow mushrooms enriched with specific beneficial compounds.

Primary cilia in the mature brain: emerging roles in Alzheimer’s disease pathogenesis

mycolabadmin

Primary cilia are small hair-like structures on brain cells that act like sensory antennas, helping regulate memory and thinking ability. In Alzheimer’s disease, these structures become abnormally shaped and function poorly, contributing to memory loss and cognitive decline. The shape and function of primary cilia change as the brain ages and when amyloid plaques develop, suggesting they could be targeted with new treatments to slow Alzheimer’s progression.

Transcriptional programs mediating neuronal toxicity and altered glial–neuronal signaling in a Drosophila knock-in tauopathy model

mycolabadmin

Researchers created a fruit fly model of frontotemporal dementia by editing the tau gene to match a human disease mutation. Using advanced genetic sequencing technology, they analyzed how this mutation affects brain cells, discovering that it disrupts communication between nerve cells and support cells called glia. The study reveals multiple pathways that could be targeted with future treatments to combat this devastating brain disease.

New Positive TRPC6 Modulator Penetrates Blood–Brain Barrier, Eliminates Synaptic Deficiency and Restores Memory Deficit in 5xFAD Mice

mycolabadmin

Researchers developed a new drug candidate called C20 that activates TRPC6 proteins in the brain. In studies with Alzheimer’s disease mouse models, C20 protected nerve connections from damage, restored memory function, and successfully crossed the blood-brain barrier. The compound shows promise as a potential treatment for Alzheimer’s disease by strengthening the connections between brain cells that are damaged in the disease.

Natural Neuroinflammatory Modulators: Therapeutic Potential of Fungi-Derived Compounds in Selected Neurodegenerative Diseases

mycolabadmin

This comprehensive review explores how compounds found in mushrooms could help treat serious brain diseases like Alzheimer’s and Parkinson’s disease. Mushrooms contain natural substances such as certain carbohydrates, proteins, and fats that can reduce harmful inflammation in the brain and protect nerve cells from damage. Scientists have tested these mushroom-derived compounds in laboratory and animal models, finding they can improve memory, movement, and overall brain function. This research suggests mushrooms could become an important part of new treatments for these currently incurable neurological conditions.

The progress of the microbe-gut-brain axis in sepsis-associated encephalopathy

mycolabadmin

Sepsis can cause brain dysfunction called sepsis-associated encephalopathy, leading to memory problems and confusion in about one-third to two-thirds of sepsis patients. The bacteria in your gut communicate with your brain through multiple pathways, and when sepsis disrupts this communication, it causes harmful inflammation in the brain. Treatments like probiotics and transplanting healthy gut bacteria from donors show promise in animal studies and early human trials for improving memory and cognitive function after sepsis.

Disease: Alzheimer's disease