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Researchers identify link between gut bacteria and pre-clinical autoimmunity and aging in rheumatoid arthritis (medicalxpress.com) en

While the bacteria in the intestine are helpful for digesting food and fighting infections, they have long been suspected to play an essential role in triggering rheumatoid arthritis. This chronic inflammatory disorder affects the joints.

New Alzheimer's disease pathways identified (medicalxpress.com) en

Dementia, which includes Alzheimer's disease, currently affects around 1.8 million people in Germany. The exact cause has not yet been clarified, but genetic factors play a significant role in the development of the disease. Most previous analyses aimed at the identification of novel Alzheimer's genes used, a "case-control...

Study: How nutrients are used reprograms immune cells with implications for infection and cancer (medicalxpress.com) en

A new study spearheaded by the University of Ottawa's Faculty of Medicine lab has unveiled a previously unrecognized role for an essential nutrient in shaping the cellular landscape for one of the body's first lines of defense against infection, immune cells called macrophages.

Precise gene editing in human stem cells and neurons reveals links between genome organization and autism (medicalxpress.com) en

Researchers have used CRISPR gene editing, stem cells and human neurons to study the impact of a gene that is commonly mutated in autism. This new study, published today in The American Journal of Human Genetics, ties mutations in the gene CHD8 with a broad spectrum of molecular and cellular defects in human cortical neurons.

Scent dogs can detect COVID-19 more rapidly and accurately than current tests, finds review study (medicalxpress.com) en

Scent dogs may represent a cheaper, faster and more effective way to detect COVID-19, and could be a key tool in future pandemics, a new review of recent research suggests. The review, published in the Journal of Osteopathic Medicine, found that scent dogs are as effective, or even more effective, than conventional COVID-19...

One night of total sleep deprivation shown to have antidepressant effect for some people (medicalxpress.com) en

Major depression has previously been associated with abnormalities in REM sleep. Excess REM sleep would diminish noradrenaline, resulting in decreased binding to the ɑ-2 receptor in the medial frontal lobes comprised of the ACC and the medial prefrontal cortex. The absence of REM sleep with TSD may give some participants a...

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