Nisha Pandey

Scientists Discover Brain Protein That Could Slow Alzheimer's Disease Progression

Scientists Identify Brain Protein That Spreads Alzheimer's, Offering Hopes For Slowing Down Its Progression

A newly identified brain protein may help slow the progression of <span><a href="https://www.healthandme.com/health/alzheimers-disease">Alzheimer's disease</a></span>, according to new research that sheds light on how the disease spreads through the brain. 

Scientists have found that a protein called <span>SORLA</span> acts as a natural defense against the toxic <span>tau</span> protein, limiting the brain damage that causes memory loss and cognitive decline. 

The findings, published in Nature Neuroscience, suggest that boosting SORLA activity could become a therapeutic strategy.

The study found that SORLA regulates how tau proteins move between neurons. While amyloid plaques have long dominated Alzheimer's research, mounting evidence suggests that the spread of tau in the brain is more closely linked to the symptoms of <a href="https://www.healthandme.com/health-news/10000-brain-scans-reveal-why-memory-declines-with-age-challenging-long-held-theory-article-155135705" data-type="tilCustomLink">Alzheimer's</a>. 

When SORLA levels were low, toxic tau spread more easily from one brain cell to another. In contrast, increasing SORLA significantly reduced tau accumulation, protected brain tissue from shrinking, and preserved memory in mouse models of Alzheimer's disease. 

"Our findings identify SORLA as a potent endogenous suppressor of tau propagation," the researchers wrote, adding that enhancing SORLA function "could represent a promising therapeutic strategy for limiting the progression of Alzheimer's disease."

Also read: <a href="https://www.healthandme.com/health-news/alzheimers-drug-leqembi-may-help-over-75-of-patients-remain-stable-or-improve-real-world-study-article-155140481" data-type="tilCustomLink">Alzheimer's Drug Leqembi Helps Over 75% Of Patients Remain Stable Or Improve: Real-World Study</a>

Current Alzheimer's drugs like <a href="https://www.healthandme.com/health-news/captain-sully-sullenberger-miracle-on-the-hudson-pilot-reveals-early-stage-alzheimers-diagnosis-article-155101166" data-type="tilCustomLink">Leqembi</a> primarily target amyloid-beta plaques. Although these treatments can slow disease progression in some patients, they do not directly stop the spread of tau, which drives the loss of brain cells which worsens dementia. 

The discovery of SORLA offers a different approach by targeting one of the disease's most dangerous aspects: tau propagation.

<h2>Can This Lead To Effective Alzheimer's Treatments? </h2>

The SORLA findings were demonstrated primarily in laboratory models, meaning much more research is needed before therapies can be tested in people. 

However, researchers say identifying the brain's own protective mechanisms provides an important roadmap for developing treatments that not only remove harmful proteins but also prevent them from spreading. 

If future studies confirm these findings in humans, therapies that boost SORLA could potentially be combined with existing anti-amyloid medicines to slow Alzheimer's progression more effectively. 

The SORLA discovery comes amid growing momentum in tau-based <a href="https://www.healthandme.com/health-wellness/healthy-lifestyle-changes-improve-memory-thinking-in-older-adults-at-dementia-risk-the-lancet-article-155086205" data-type="tilCustomLink">Alzheimer's research</a>. 

Just this month, researchers reported encouraging results from diranersen, an experimental therapy designed to reduce production of the tau protein itself. 

In a mid-stage clinical trial involving around 400 people with early Alzheimer's disease, the drug lowered tau levels and showed signs of slowing cognitive decline in some participants, although larger studies are needed to confirm its effectiveness.

Also read: <a href="https://www.healthandme.com/health-news/excessive-tv-watching-in-midlife-may-shrink-brain-areas-essential-for-memory-study-finds-article-155135807" data-type="tilCustomLink">Excessive TV Watching In Midlife May Shrink Brain Areas Essential For Memory, Study Finds</a>

SORLA (Sorting Protein-Related Receptor with LDLR Class A Repeats) is a receptor protein naturally present in brain cells. 

Scientists have known for years that low SORLA levels are associated with an increased risk of Alzheimer's disease because the protein helps process amyloid precursor protein.

<h2>Why Is Tau Considered Dangerous? </h2>

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Tau is a normal protein that helps stabilize the internal structure of nerve cells. In Alzheimer's disease, however, tau becomes abnormally folded and forms neurofibrillary tangles. 

These tangles spread through interconnected brain regions, disrupting communication between neurons, and eventually causing them to die. 

Researchers believe the progression of <a href="https://www.healthandme.com/health-news/cannabis-based-treatment-shows-promise-in-easing-agitation-in-dementia-new-clinical-trial-article-155108875" data-type="tilCustomLink">tau pathology</a> closely mirrors the progression of memory loss and cognitive impairment seen in Alzheimer's patients.

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A newly identified brain protein may help slow the progression of Alzheimer's disease, according to new research that sheds light on how the disease spreads through the brain. Scientists have found that a protein called SORLA acts as a natural defense against the toxic tau protein, limiting the brain damage that causes memory loss and cognitive decline. The findings, published in Nature Neuroscience, suggest that boosting SORLA activity could become a therapeutic strategy. SORLA Can Help Regulate Tau The study found that SORLA regulates how tau proteins move between neurons. While amyloid plaques have long dominated Alzheimer's research, mounting evidence suggests that the spread of tau in the brain is more closely linked to the symptoms of Alzheimer's. When SORLA levels were low, toxic tau spread more easily from one brain cell to another. In contrast, increasing SORLA significantly reduced tau accumulation, protected brain tissue from shrinking, and preserved memory in mouse models of Alzheimer's disease. "Our findings identify SORLA as a potent endogenous suppressor of tau propagation," the researchers wrote, adding that enhancing SORLA function "could represent a promising therapeutic strategy for limiting the progression of Alzheimer's disease."Also read: Alzheimer's Drug Leqembi Helps Over 75% Of Patients Remain Stable Or Improve: Real-World Study How Can This Discovery Help? Current Alzheimer's drugs like Leqembi primarily target amyloid-beta plaques. Although these treatments can slow disease progression in some patients, they do not directly stop the spread of tau, which drives the loss of brain cells which worsens dementia. The discovery of SORLA offers a different approach by targeting one of the disease's most dangerous aspects: tau propagation. Can This Lead To Effective Alzheimer's Treatments? The SORLA findings were demonstrated primarily in laboratory models, meaning much more research is needed before therapies can be tested in people. However, researchers say identifying the brain's own protective mechanisms provides an important roadmap for developing treatments that not only remove harmful proteins but also prevent them from spreading. If future studies confirm these findings in humans, therapies that boost SORLA could potentially be combined with existing anti-amyloid medicines to slow Alzheimer's progression more effectively. The SORLA discovery comes amid growing momentum in tau-based Alzheimer's research. Just this month, researchers reported encouraging results from diranersen, an experimental therapy designed to reduce production of the tau protein itself. In a mid-stage clinical trial involving around 400 people with early Alzheimer's disease, the drug lowered tau levels and showed signs of slowing cognitive decline in some participants, although larger studies are needed to confirm its effectiveness.Also read: Excessive TV Watching In Midlife May Shrink Brain Areas Essential For Memory, Study Finds What Is SORLA? SORLA (Sorting Protein-Related Receptor with LDLR Class A Repeats) is a receptor protein naturally present in brain cells. Scientists have known for years that low SORLA levels are associated with an increased risk of Alzheimer's disease because the protein helps process amyloid precursor protein. Why Is Tau Considered Dangerous?          Tau is a normal protein that helps stabilize the internal structure of nerve cells. In Alzheimer's disease, however, tau becomes abnormally folded and forms neurofibrillary tangles. These tangles spread through interconnected brain regions, disrupting communication between neurons, and eventually causing them to die. Researchers believe the progression of tau pathology closely mirrors the progression of memory loss and cognitive impairment seen in Alzheimer's patients.

scientists identify brain protein that spreads alzheimer's, offering hopes for slowing down its progression

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