<p style="font-weight: 400;">A breakthrough in regenerative medicine indicates that a nasal spray could potentially <a href="https://futurism.com/health-medicine/nasal-spray-reverse-brain-aging-mice">reverse the cognitive decline</a> and chronic brain inflammation associated with aging.</p>
<p style="font-weight: 400;"><span style="box-sizing: border-box; margin: 0px; padding: 0px;">The <a href="https://isevjournals.onlinelibrary.wiley.com/doi/10.1002/jev2.70232" target="_blank" rel="noopener">study,</a> published in the Journal of Extracellular Vesicles<em>, </em>found that scientists at Texas A&amp;M University College of Medicine were able to significantly reduce age-related brain inflammation and improve memory in mice using just two doses of an innovative therapy.</span></p>
<p style="font-weight: 400;">Led by Dr. Ashok Shetty, a university distinguished professor and associate director of the Institute for Regenerative Medicine, the team focused on a phenomenon known as &#8220;neuroinflammaging,&#8221; a term used to describe the chronic, low-grade inflammation that develops in the brain over time and is associated with cognitive decline.</p>
<p style="font-weight: 400;">“Aging is associated with reduced ability to adapt to new stimuli and cognitive decline in a significant proportion of individuals,” the study notes. “Studies using animal models and human post-mortem brain tissues have suggested that cognitive impairments associated with aging are often connected to various adverse changes in the brain, particularly in the hippocampus. The age-related changes include increased oxidative stress, mitochondrial dysfunction, and neuroinflammaging.”</p>
<p style="font-weight: 400;">The secret to the treatment lies in &#8220;extracellular vesicles&#8221; (EVs), microscopic particles derived from neural stem cells that can carry therapeutic molecules. By administering these EVs via nasal spray, the researchers bypassed the blood-brain barrier — a major obstacle to delivering drugs to the brain — and delivered a payload of therapeutic microRNAs directly to brain tissue, including the hippocampus, the area responsible for memory and learning.</p>
<p style="font-weight: 400;">In laboratory trials involving aged mice, the results were dramatic. After receiving only two doses of the spray, the subjects showed a significant reduction in brain inflammation. Perhaps more importantly, the treatment appeared to restore the brain&#8217;s &#8220;cellular power plants&#8221; (mitochondria), which typically falter with age.</p>
<p style="font-weight: 400;">Within weeks, the mice exhibited marked improvements in memory and cognitive function, with effects lasting for several months after treatment.</p>
<p style="font-weight: 400;">The implications for human health are profound. While the study is currently in the &#8220;bench research&#8221; phase (meaning it has not yet transitioned to human clinical trials), it offers a new roadmap for potentially treating age-related conditions like Alzheimer’s disease and general cognitive decline. Because the delivery method is a non-invasive nasal spray rather than a complex surgical procedure, it could eventually become a widely accessible treatment for the &#8220;brain fog&#8221; that affects millions of aging adults.</p>
<p style="font-weight: 400;">Dr. Shetty and his team have already filed a U.S. patent for the therapy, signaling a move toward commercialization. As the global population ages, the &#8220;longevity economy&#8221; is searching for non-invasive cures for dementia, and this study provides some of the most compelling evidence to date that cognitive decline is not a one-way street.</p>
<p style="font-weight: 400;">While the scientific community cautions that results in mice do not always translate to humans, the study adds to a growing body of research exploring how stem-cell-derived therapies might help repair aging brain tissue.</p>
<p style="font-weight: 400;">If human trials prove successful, the &#8220;fountain of youth&#8221; for the human mind may eventually be found in a simple bottle of nasal spray.</p>

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A Simple Spray Could Treat Dementia

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A Simple Spray Could Treat Dementia