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Stimulation of cerebellum protects hippocampal neurons from global ischemia

 

作者: Eugene Golanov,   Fang Liu,   Donald Reis,  

 

期刊: NeuroReport  (OVID Available online 1998)
卷期: Volume 9, issue 5  

页码: 819-824

 

ISSN:0959-4965

 

年代: 1998

 

出版商: OVID

 

关键词: CA1;Conditioned neuroprotection;Delayed neuronal death;Electrical stimulation;Fastigial nucleus;Global ischemia;Neuroprotection

 

数据来源: OVID

 

摘要:

WE investigated whether electrical stimulation of the cerebellar fastigial nucleus (FN) can protect pyramidal neurons of the CA1 zone of dorsal hippocampus from delayed neuronal death caused by global ischemia. Stimulation of the FN for 1h prior to transient 4-vessel occlusion in anesthetized rats salvaged 57% (p< 0.01) of pyramidal neurons from degeneration. This effect could be preconditioned. Sham simulation of FN or stimulation of the rostral ventrolateral medulla (RVL) were without effect (p> 0.5). Excitation of intrinsic neuronal pathways represented in FN can protect central neurons from global as well as focal ischemic degeneration. The brain contains systems designed to protect it from ischemia by mechanisms of central neurogenic neuro- protection acting independently of actions on cerebral blood flow.

 

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