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. 2021 Mar 5;12:615104. doi: 10.3389/fphar.2021.615104

FIGURE 1.

FIGURE 1

Technology road map of MRI-guided focused ultrasound-induced blood–brain barrier disruption to deliver BDNF retrovirus into the brain. BDNF retrovirus is released to the target cell in the brain after the microbubbles destroying and inducing blood–brain barrier disruption by MRI-guided focused ultrasound at the site of the target brain tissue.