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.

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 ...

Filopodia are specialized structures that extend from the cell membrane to allow a cell to explore the environment around it. These thin protrusions are full of a protein called actin, which, in ...