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Engineered Extracellular Vesicles Loaded With Mir-124 Attenuate Cocaine-Mediated Activation Of Microglia, Ernest T. Chivero, Ke Liao, Fang Niu, Ashutosh Tripathi, Changhai Tian, Shilpa Buch, Guoku Hu
Engineered Extracellular Vesicles Loaded With Mir-124 Attenuate Cocaine-Mediated Activation Of Microglia, Ernest T. Chivero, Ke Liao, Fang Niu, Ashutosh Tripathi, Changhai Tian, Shilpa Buch, Guoku Hu
Journal Articles: Pharmacology & Experimental Neuroscience
MicroRNA-124 (miR-124), a brain-enriched microRNA, is known to regulate microglial quiescence. Psychostimulants such as cocaine have been shown to activate microglia by downregulating miR-124, leading, in turn, to neuroinflammation. We thus rationalized that restoring the levels of miR-124 could function as a potential therapeutic approach for cocaine-mediated neuroinflammation. Delivering miRNA based drugs in the brain that are effective and less invasive, however, remains a major challenge in the field. Herein we engineered extracellular vesicles (EVs) and loaded them with miR-124 for delivery in the brain. Approach involved co-transfection of mouse dendritic cells with Dicer siRNA and RVG-Lamp2b plasmid to deplete …