期刊
NATURE NEUROSCIENCE
卷 16, 期 6, 页码 692-+出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/nn.3392
关键词
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资金
- US National Institutes of Health from the National Institute of Neurological Disorders and Stroke [RO1-NS071785, F32-NS077747]
- California Institute of Regenerative Medicine [TR2-01749]
Impaired GABA-mediated neurotransmission has been implicated in many neurologic diseases, including epilepsy, intellectual disability and psychiatric disorders. We found that inhibitory neuron transplantation into the hippocampus of adult mice with confirmed epilepsy at the time of grafting markedly reduced the occurrence of electrographic seizures and restored behavioral deficits in spatial learning, hyperactivity and the aggressive response to handling. In the recipient brain, GABA progenitors migrated up to 1,500 mu m from the injection site, expressed genes and proteins characteristic for interneurons, differentiated into functional inhibitory neurons and received excitatory synaptic input. In contrast with hippocampus, cell grafts into basolateral amygdala rescued the hyperactivity deficit, but did not alter seizure activity or other abnormal behaviors. Our results highlight a critical role for interneurons in epilepsy and suggest that interneuron cell transplantation is a powerful approach to halting seizures and rescuing accompanying deficits in severely epileptic mice.
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