Alzheimer’s brain tissue study uncovers three distinct disease subtypes

Researchers analyzed more than 1,500 postmortem brain tissue samples to distinguish the molecular differences between various cases of Alzheimer's disease

Despite decades of rigorous research, scientists are still struggling to crack the mystery of Alzheimer’s disease. Promising preclinical research has consistently led to frustrating clinical trial failures and some have started to question whether we are even targeting the correct pathological mechanisms.

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White blood cell mutation may drive early stages of dementia

Novel findings point to new research pathways to treat neurodegenerative disease such as Alzheimer's

Research into an ultra-rare type of early-onset dementia has uncovered a novel genetic mutation that results in dysfunctional white blood cells and a breakdown of the blood-brain barrier. The study suggests this newly discovered mechanism of neurodegeneration may play a role in more common types of dementia, such as Alzheimer’s disease.

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Google-Glass-like smell stimulation device proposed as dementia therapy

It's hoped a prototype wearable device will allow clinical trials to test whether olfactory stimulation can help treat neurodegenerative disease

A novel wearable device has been proposed to deliver electrical pulses stimulating the olfactory system as a way of preventing or slowing dementia-related neurodegeneration. A dysfunctional sense of smell is suspected to be one of the earliest signs of Alzheimer’s and Parkinson’s so it is hypothesized these diseases could be prevented by olfactory stimulation.

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Biomarker of Alzheimer’s found to be regulated by sleep cycles

Immune cells known as microglia (turquoise with red dots) surrounding amyloid plaques

Scientists at Washington University School of Medicine (WUSM) in St. Louis have spent some years investigating the links between circadian rhythm and Alzheimer’s, and have recently been making some real inroads. Following a 2018 study demonstrating how disrupted sleep can accelerate the buildup of toxic plaques associated with the disease, the team has now identified a protein implicated in the progression of the disease that appears highly regulated by the circadian rhythm, helping them join the dots and providing a potential new therapeutic target.

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New technique tracks a culprit of Alzheimer’s in spinal fluid

A heat map of the brain showing where tau proteins are concentrated

In their efforts to pick up the disease as early as possible, scientists are searching far and wide through the human body for tell tale signs of Alzheimer’s. A team from the Washington University School of Medicine in St. Louis has come up with a technique it says can detect one of these biomarkers in cerebrospinal fluid, which could lead to earlier diagnoses and more effective treatments.

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Blood test predicts risk of mild memory loss developing into Alzheimer’s

Blood tests are emerging as an exciting tool for the detection of Alzheimer's disease in its early stages

Blood tests are starting to show real potential as a way of detecting Alzheimer’s disease in its early stages, with a number of studies producing highly promising results in the past couple of years. Joining them is a new test that can analyze markers in the blood of those with mild memory loss to determine the risk of them going on to develop Alzheimer’s within two to four years.

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Study offers “indisputable” link between Alzheimer’s and gut microbiome

A new study has highlighted the role gut bacteria may play in Alzheimer's disease, while inflammation may also have a part to play

Research into the relationship between the brain and the bacteria in our bellies is uncovering links to an increasing number of neurological conditions, with Alzheimer’s among them. A new study is throwing further weight behind the theory that an imbalance in the gut microbiome may be related to the onset of the disease, showing how shifts in bacterial diversity are associated with inflammation and heightened numbers of amyloid plaques in the brain, one of the hallmarks of the condition.

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Oxford study links COVID-19 with increased rates of mental illness

A new large-scale analysis of US patient data has found nearly one in five people are diagnosed with a psychiatric illness within three months of a positive COVID-19 test. The Oxford University led study suggests recovered COVID patients are twice as l… Continue reading Oxford study links COVID-19 with increased rates of mental illness

Oxford study links COVID-19 with increased rates of mental illness

A new large-scale analysis of US patient data has found nearly one in five people are diagnosed with a psychiatric illness within three months of a positive COVID-19 test. The Oxford University led study suggests recovered COVID patients are twice as l… Continue reading Oxford study links COVID-19 with increased rates of mental illness

New evidence affirms apathy is an early sign of dementia

New research builds on prior work suggesting apathy is an early sign of dementia

A growing body of research is beginning to suggest severe apathy in older adults is an early sign of dementia. New research from the University of California, San Francisco, with support from the National Institute on Aging, is now offering one of the first longitudinal studies to show apathy could be an early visible symptom of cognitive decline.

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