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Therapeutic agent delivery across the blood-brain barrier using focused ultrasound

McMahon D, O’Reilly MA, Hynynen K (2021) Therapeutic agent delivery across the blood-brain barrier using focused ultrasound. Annu Rev Biomed Eng 23:89-113. doi: 10.1146/annurev-bioeng-062117-121238

Summary: Review of the use of focused ultrasound, in combination with circulating microbubbles, can be used to transiently and noninvasively increase cerebrovascular permeability with a high level of spatial precision. For minutes to hours following sonication, drugs can be administered systemically to extravasate in the targeted brain regions and exert a therapeutic effect, after which permeability returns to baseline levels.

Usage: Shin et al. reported improved spatial memory following FUS+MB exposure in a rat model of cholinergic neuron degeneration. 192-IgG-SAP was injected bilaterally into the lateral ventricle (4  μl at a concentration of 0.63  μg/μl at a rate of 1 μl/min).

See: Shin J et al. Focused ultrasound-induced blood-brain barrier opening improves adult hippocampal neurogenesis and cognitive function in a cholinergic degeneration dementia rat model. Alzheimers Res Ther 11(1):110, 2019.

Related Products: 192-IgG-SAP (Cat. #IT-01)