This protocol describes a method of delivering adeno-associated viral (AAV) vectors to the intrathecal space of nonhuman primates for CNS-directed gene therapy. It includes the surgical implantation of the catheter, vector infusion, necropsy, laser-capture microdissection of motor neurons, and gene expression analysis. This method allows efficient and reproducible delivery, and would be of interest to test gene therapy vectors for the treatment of disorders of the central nervous system of nonhuman primates. This protocol was tested in cynomolgus macaques and may be adapted for AAV delivery to different species of large animals.
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