Tag

Beta Amyloid

All articles tagged with #beta amyloid

science4 days ago•6 min saved

BCG vaccine may reprogram brain immunity and amyloid handling in aging

A small year-long open-label study suggests the Bacillus Calmette-Guérin (BCG) vaccine can boost immune cell responsiveness in blood and cerebrospinal fluid without triggering sustained brain inflammation. In older adults without Alzheimer’s pathology, beta-amyloid shifted from CSF to the blood, hinting at improved clearance from the brain, while those with existing biomarkers did not show the same changes. The findings offer a potential mechanism linking BCG to lower Alzheimer’s risk but are preliminary, as the study lacked a placebo group and involved only 23 participants, requiring larger randomized trials to confirm any clinical benefit.

via Medical News Today|

#alzheimers-disease #bcg-vaccine #beta-amyloid

health2 months ago•4 min saved

Astrocytes as the Brain's Clean-Up Crew Could Transform Alzheimer's Therapy

New preclinical work shows astrocytes, when their autophagy pathway is boosted (LC3B/SQSTM1), can clear beta-amyloid in the hippocampus, reducing inflammation and protecting neurons—hinting at a glia-first Alzheimer's therapy. While promising, translating this to humans will require precise delivery, safety assessments, and biomarkers, with trials likely pairing glial agents with other anti-amyloid or anti-inflammatory treatments.

via Iowa Park Leader|

#alzheimers-disease #astrocytes #autophagy

science5 months ago•7 min saved

Alzheimer’s Reimagined as an Immune-System Brain Disorder

The piece argues Alzheimer's may be primarily an autoimmune disorder of the brain rather than just a brain disease, challenging the traditional beta-amyloid focus and the controversial aducanumab approval. It posits beta-amyloid may be part of the brain’s immune response that goes awry, driving dementia, while other theories (mitochondrial dysfunction, infections, metal handling) gain traction. With Alzheimer's affecting tens of millions worldwide, the article calls for new immune- and mechanism-based therapies and directions.

via ScienceAlert|

#alzheimers #autoimmune-disease #beta-amyloid

health9 months ago•5 min saved

Emerging Insights and Hope in Alzheimer’s Research and Treatment

A Toronto-based research team proposes that Alzheimer's may be primarily an autoimmune disorder involving the brain's immune response, challenging the traditional view of beta-amyloid as the cause, and emphasizing the need for innovative treatment strategies beyond targeting amyloid plaques.

via ScienceAlert|

#alzheimers-disease #autoimmune-theory #beta-amyloid

health1 year ago•5 min saved

Expert Challenges Brain Disease Link in Alzheimer's

A new perspective suggests Alzheimer's may be an autoimmune disorder rather than solely a brain protein abnormality, emphasizing the immune system's role and calling for innovative research beyond the traditional beta-amyloid focus.

via ScienceAlert|

#alzheimers-disease #autoimmune-theory #beta-amyloid

health1 year ago•2 min saved

Alzheimer's Drug Shrinks Brain to Target Amyloid Plaques

A new study suggests that the brain volume loss observed in Alzheimer's patients undergoing immunotherapy treatments may be due to the successful removal of beta-amyloid protein clumps, rather than tissue damage. Researchers from University College London found that this volume reduction correlates with the decrease in beta-amyloid levels, indicating that the shrinkage might be a positive sign of treatment efficacy. However, they caution that more research is needed to understand the long-term effects and potential risks of these treatments.

via ScienceAlert|

#alzheimers #beta-amyloid #brain-volume

health1 year ago•4 min saved

Rethinking Alzheimer's: Beyond a Brain Disease

Emerging research suggests that Alzheimer's disease may be more of an immune system disorder than a traditional brain disease. This challenges the long-held belief that beta-amyloid protein accumulation is the primary cause of Alzheimer's. Researchers propose that beta-amyloid might play a protective role in the brain's immune system, but its inability to distinguish between harmful and healthy cells could lead to brain cell damage. This new perspective opens the possibility of treating Alzheimer's as an autoimmune disorder, focusing on immune-regulating pathways in the brain.

via Earth.com|

#alzheimers #autoimmune-disorder #beta-amyloid

health1 year ago•5 min saved

Rethinking Alzheimer's: Beyond a Brain Disease

Recent research suggests that Alzheimer's disease may not primarily be a brain disease but rather an autoimmune disorder involving the brain's immune system. This theory posits that beta-amyloid, traditionally seen as a harmful protein, is actually part of the brain's immune response, which mistakenly attacks brain cells due to similarities with bacterial membranes. This new perspective challenges the long-held focus on beta-amyloid and calls for exploring alternative treatment pathways, as conventional autoimmune therapies may not be effective for Alzheimer's.

via ScienceAlert|

#alzheimers #autoimmune-disease #beta-amyloid

health1 year ago•3 min saved

New Discoveries in Alzheimer's Disease May Transform Treatment Approaches

A new study published in Cell Reports Medicine challenges the traditional view that beta-amyloid plaques are the sole cause of Alzheimer's disease, identifying over 20 proteins that co-accumulate with beta-amyloid, including midkine and pleiotrophin, which may accelerate its aggregation. This discovery suggests a more complex interplay of proteins in Alzheimer's development, potentially leading to novel therapeutic strategies targeting multiple proteins. The findings could also impact the understanding and treatment of other amyloid-related neurodegenerative disorders.

via Indian Defence Review|

#alzheimers #beta-amyloid #health

health1 year ago•11 min saved

EU Reverses Stance, Supports Lecanemab for Early Alzheimer's Treatment

The European Medicines Agency has approved Lecanemab, a drug targeting the cause of Alzheimer's disease, marking a potential turning point in its treatment. Developed by BioArctic and Eisai, Lecanemab aims to delay Alzheimer's progression by removing beta-amyloid plaques in the brain. While it offers hope, the drug's benefits are limited, delaying symptoms by about five months, and it poses risks like brain hemorrhages. The approval highlights the ongoing challenges and potential of antibody therapies in Alzheimer's treatment, with further research and infrastructure needed for widespread application.

via Worldcrunch|

#alzheimers #antibody-therapy #beta-amyloid

health2 years ago•5 min saved

"Maternal Alzheimer's Significantly Raises Risk for Offspring"

A study by Mass General Brigham suggests that a maternal history of Alzheimer's disease may significantly impact a person's genetic risk of developing the condition, more so than paternal history. Researchers found that participants with a maternal history of memory issues had higher levels of beta-amyloid in their brains, a key biomarker for Alzheimer's. This finding highlights the importance of considering both maternal and paternal histories in assessing Alzheimer's risk and suggests that maternal inheritance may play a stronger role.

via Medical News Today|

#alzheimers-disease #beta-amyloid #early-detection

health2 years ago•5 min saved

"Reversing Alzheimer's: Mitochondrial Health Key to Stopping Protein Clumps"

Researchers at The Buck Institute for Research in Aging have found that boosting mitochondrial health can delay the toxic effects of beta-amyloid proteins, which are associated with Alzheimer's disease. Using a worm model, they discovered that beta-amyloid and aging drive other proteins to become insoluble, contributing to the disease. By enhancing mitochondrial function with compounds like urolithin A, they were able to mitigate some of these effects, suggesting a potential new approach for Alzheimer's treatment.

via Medical News Today|

#alzheimers #beta-amyloid #health

health2 years ago•1 min saved

Nose Picking and Alzheimer's: The Surprising Link

A new report suggests that nose picking may increase the risk of developing Alzheimer's disease, as a protein called beta-amyloid, believed to be a cause of progressive dementia, may be produced in the brain as a defense mechanism to pathogens introduced via the nasal cavity. While nose picking isn't the sole cause of Alzheimer's, the report recommends frequent hand washing and the use of hand sanitizers as routine hygienic procedures to reduce the risk.

via NewsNation Now|

#alzheimers-disease #beta-amyloid #dementia

health2 years ago•2 min saved

"Revolutionary Alzheimer's Blood Test Now Available to Consumers through Quest Diagnostics"

Quest Diagnostics has launched AD-Detect, the first direct-to-consumer blood test that detects abnormal levels of beta amyloid, a protein associated with Alzheimer's disease. Priced at $399, the test allows individuals aged 18 and older with mild memory loss or a family history of Alzheimer's to assess their risk for the disease. If the test is positive, users will be contacted by a doctor to discuss next steps. While the test has not undergone FDA review, it can be prescribed by a healthcare provider.

via Reuters|

#alzheimers-disease #beta-amyloid #blood-test

health2 years ago•7 min saved

Racial Disparities in Effectiveness of New Alzheimer's Drugs

Groundbreaking Alzheimer's drugs that target beta amyloid may be less effective for Black Americans due to higher exclusion rates in clinical trials. Older Black Americans have twice the rate of dementia as their white peers, but were screened out of trials at a higher rate due to insufficient amyloid levels. Hispanics also faced higher exclusion rates. The disparity in beta amyloid raises questions about who will benefit from the new treatments. Some researchers are exploring whether Black patients experience dementia due to causes other than Alzheimer's or if the disease manifests differently in diverse populations. The low enrollment of diverse populations in clinical trials highlights the need for a better understanding of Alzheimer's in underrepresented groups.

via NBC News|

#alzheimers-disease #beta-amyloid #clinical-trials