Microglia are special cells in the human brain. Like a diligent ranger overseeing a forest and dealing with infestations and wildfires, microglia scan the brain environment for germs and initiate ...

This altered state allowed the microglia to surround, engulf and destroy amyloid deposits. It also changed the function of ...

Microglia, the brain's immune cells, can shift from protective roles to secreting inflammatory messengers like interleukin-12 (IL-12) as the brain ages, potentially accelerating Alzheimer's disease.