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Neuron. 2002 Nov 14;36(4):555-8.

Drug and gene delivery to the brain: the vascular route.

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Department of Medicine, School of Medicine, University of California, Los Angeles, Los Angeles, CA 90024, USA.


Brain drug development of either small molecule or large molecule (recombinant proteins, gene medicines) neurotherapeutics has been limited, owing to the restrictive transport properties of the brain microvasculature, which forms the blood-brain barrier (BBB) in vivo. Widespread drug delivery to the brain, while not feasible via craniotomy and intracerebral injection, is possible if the drug is delivered to brain via the transvascular route through the BBB. Novel brain drug delivery and drug targeting strategies can be developed from an understanding of the molecular and cellular biology of the brain microvascular and BBB transport processes.

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