Do what thy manhood bids thee do,
From none but self expect applause:
He noblest lives and noblest dies
Who makes and keeps his self-made laws."
~ Sir Richard Francis Burton
Penn Study Delivers Protein Across Blood-Brain Barrier to Degrade Alzheimer's Plaques
"The body is structured to ensure that any invading organisms have a tough time reaching the brain, an organ obviously critical to survival. Known as the blood-brain barrier, cells that line the brain and spinal cord are tightly packed, making it difficult for anything besides very small molecules to cross from the bloodstream into the central nervous system. While beneficial, this blockade also stands in the way of delivering drugs intended to treat neurological disorders, such as Alzheimer's. In a new study published in the journal Molecular Therapy, University of Pennsylvania researchers have found a way of traversing the blood-brain barrier, as well as a similar physiological obstacle in the eye, the retinal-blood barrier."
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