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In vivo imaging of sterile microglial activation in rat brain after disrupting the blood-brain barrier with pulsed focused ultrasound: 18FDPA-714 PET study

机译:脉冲聚焦超声破坏血脑屏障后大鼠脑中无菌小胶质细胞活化的体内成像:18F DPA-714 PET研究

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摘要

BackgroundMagnetic resonance imaging (MRI)-guided pulsed focused ultrasound combined with the infusion of microbubbles (pFUS+MB) induces transient blood-brain barrier opening (BBBO) in targeted regions. pFUS+MB, through the facilitation of neurotherapeutics’ delivery, has been advocated as an adjuvant treatment for neurodegenerative diseases and malignancies. Sterile neuroinflammation has been recently described following pFUS+MB BBBO. In this study, we used PET imaging with [18F]-DPA714, a biomarker of translocator protein (TSPO), to assess for neuroinflammatory changes following single and multiple pFUS+MB sessions.
机译:背景技术磁共振成像(MRI)引导的脉冲聚焦超声与微泡注入(pFUS + MB)的结合在目标区域诱发了短暂的血脑屏障打开(BBBO)。通过促进神经治疗药物的递送,pFUS + MB被提倡作为神经退行性疾病和恶性肿瘤的辅助治疗。最近在pFUS + MB BBBO之后描述了无菌神经炎症。在这项研究中,我们使用带有[18F] -DPA714(易位蛋白(TSPO)的生物标志物)的PET成像来评估单个和多个pFUS + MB疗程后的神经炎性变化。

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