Medical research

Autopsies show COVID-19 virus in brain, elsewhere in body

An analysis of tissue samples from the autopsies of 44 people who died with COVID-19 shows that SAR-CoV-2 virus spread throughout the body—including into the brain—and that it lingered for almost eight months. The study ...

Alzheimer's disease & dementia

Japan approves Alzheimer's blood test kit

Japan has approved a blood test kit to diagnose Alzheimer's disease, its manufacturer announced on Thursday, a rare advance in tackling a condition that affects tens of millions worldwide.

Genetics

How nerve and vascular cells coordinate their growth

Nerve cells need a lot of energy and oxygen. They receive both through the blood. This is why nerve tissue is usually crisscrossed by a large number of blood vessels. But what prevents neurons and vascular cells from getting ...

Neuroscience

Immune cells help protect brain health and cognition, finds study

Scientists have discovered that immune cells, known as microglia, help maintain the health of myelin—the insulating layer that forms around nerve cells—which is important for nerve cells in the brain and spinal cord to ...

Medical research

Gene therapy for heart attacks in mice just got more precise

If humans are ever going to be able to regrow damaged tissues the way lizards and fish routinely do, it will require the precise control of gene expression in time and place—otherwise you might end up with random cells ...

Diseases, Conditions, Syndromes

Novel virus discovered in Swiss ticks

The Alongshan virus was discovered in China only five years ago. Now researchers at the University of Zurich have found the novel virus for the first time in Swiss ticks. It appears to be at least as widespread as the tickborne ...

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