hlovy writes: The story of drug delivery development these days seems to be increasingly about breaking through that final frontier--the blood-brain barrier. Scientists from the University of Texas MD Anderson Cancer Center managed to sneak peptides past the brain's protective barrier by creating a particle that's a kind of master of disguise. It impersonates iron, and then hops onboard the body's iron transport system for a free ride into the brain. Along the way, the researchers say, the disguised particle could be used to deliver imaging agents or treatments.
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