Audiogenic seizure-induced changes in energy metabolites in cerebral cortical and cerebellar layers.

Abstract:

:Audiogenic seizure-prone mice (DBA/2J) were exposed to a broad band noise source. A reproducible response consisting of wild run, clonus, and tonic stages resulted in all mice. Layers 1 and pyramidal from the parietal cortex and the molecular and Purkinje cell-rich layers from the cerebellar vermis were separately analyzed for glucose, glycogen, ATP, and phosphocreatine. Results showed a biphasic cerebellar response, with decreases in high energy phosphates occurring during the wild run and tonic stage. In the cortex, similar changes occurred in the pyramidal cell layer, but the decreases were not as pronounced as those in the cerebellum. Cells from layer 1 of the parietal cortex were not affected as much as those of the pyramidal layer, suggesting a differential effect between neuronal and nonneuronal cell populations. The greater response of the cerebellum could indicate an attempt to reduce the severity of both the wild run and the tonic extension seizure.

journal_name

Epilepsia

journal_title

Epilepsia

authors

McCandless DW,Schwartzenburg FC Jr

doi

10.1111/j.1528-1157.1982.tb05436.x

subject

Has Abstract

pub_date

1982-10-01 00:00:00

pages

481-9

issue

5

eissn

0013-9580

issn

1528-1167

journal_volume

23

pub_type

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