Pulsed ultrasound expands the extracellular and perivascular spaces of the brain.

作者: David S. Hersh , Ben A. Nguyen , Jimena G. Dancy , Arjun R. Adapa , Jeffrey A. Winkles

DOI: 10.1016/J.BRAINRES.2016.06.040

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摘要: Diffusion within the extracellular and perivascular spaces of the brain plays an important role in biological processes, therapeutic delivery, and clearance mechanisms within the central nervous system. Recently, ultrasound has been used to enhance the dispersion of locally administered molecules and particles within the brain, but ultrasound-mediated effects on the brain parenchyma remain poorly understood. We combined an electron microscopy-based ultrastructural analysis with high-resolution tracking of non-adhesive nanoparticles in …

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