Genetics

New genetic clues for multiple sclerosis risk

An international team of researchers led by Karolinska Institutet in Sweden reports that cells in the central nervous system known as oligodendrocytes might have a different role in the development of multiple sclerosis (MS) ...

HIV & AIDS

How HIV infection shrinks the brain's white matter

It's long been known that people living with HIV experience a loss of white matter in their brains. As opposed to "gray matter," which is composed of the cell bodies of neurons, white matter is made up of a fatty substance ...

Medical research

Spinal cord stem cells can help repair after injury

Spinal cord injury often leads to permanent functional impairment. In a new study published in the journal Science researchers at Karolinska Institutet in Sweden show that it is possible to stimulate stem cells in the mouse ...

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