Neuroscience

An unexpected role for the brain's immune cells

An important part of the brain's immune system, cells called microglia constantly extend and retract "branches" from their cell body to survey their environment. Think of an octopus, not moving its body, but reaching its ...

Autism spectrum disorders

Autism in males linked to defect in brain immune cells, microglia

Many cases of autism spectrum disorders (ASDs) may result from problems in immune cells that normally work to trim back unneeded brain connections in early life, suggests a new study led by scientists at Scripps Research.

Alzheimer's disease & dementia

Pathway discovered that prevents buildup of Alzheimer's protein

St. Jude Children's Research Hospital scientists have discovered a pathway that functions like a car wash to prevent the buildup of a toxic protein associated with Alzheimer's disease. The report appeared online today in ...

Neuroscience

Vicious circle leads to loss of brain cells in old age

The so-called CB1 receptor is responsible for the intoxicating effect of cannabis. However, it also appears to act as a kind of "sensor" with which neurons measure and control the activity of certain immune cells in the brain. ...

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