Janelia Group Leader Jiefu Li (right) and his team are uncovering how the blood-brain barrier functions.
Scientists just discovered new "controllers" of the brain's most elite security checkpoint. Jiefu Li & team at our Janelia Research Campus have ID'd proteins that help open & close the blood-brain barrier — a step toward treating Alzheimer's, Parkinson's, & more: hhmi.news/4mkrDT2.