Xenotransplantation of porcine progenitor cells in an epileptic California sea lion (Zalophus californianus)
Simeone, C. A.; Andrews, J. P.; Johnson, S. P.; Casalia, M.; Kochanski, R.; Chang, E. F.; Cameron, D.; Dennison, S.; Inglis, B.; Scott, G.; Kruse-Elliott, K.; Okonski, F. F.; Calvo, E.; Goulet, K.; Robles, D.; Griffin-Stence, A.; Kuiper, E.; Krasovec, L.; Field, C. L.; Hoard, V. F.; Baraban, S. C.
Show abstract
BackgroundDomoic acid (DA) is a naturally occurring neurotoxin harmful to marine animals and humans. California sea lions exposed to DA in prey during algal blooms along the Pacific coast exhibit significant neurological symptoms, including epilepsy with hippocampal atrophy. ObservationsHere we describe a xenotransplantation procedure to deliver interneuron progenitor cells into the damaged hippocampus of an epileptic sea lion with suspected DA toxicosis. The sea lion has had no evidence of seizures following the procedure, and clinical measures of well-being including weight and feeding habits have stabilized. LessonsThese preliminary results suggest xenotransplantation has improved the quality-of-life (QOL) for this animal and holds tremendous therapeutic promise.
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