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Brain Res. 1990 Nov 26;534(1-2):299-302.

Effects of cycloheximide on delayed neuronal death in rat hippocampus.

Author information

1
Tsumura Research Institute for Pharmacology, Ibaraki, Japan.

Abstract

The effect of cycloheximide, a protein synthesis inhibitor, on hippocampal selective neuronal death was morphologically studied in rats subjected to 10 min forebrain ischemia using a 4-vessel occlusion model. Neuronal damage in the hippocampal CA1 subfield 72 h after ischemic insult was dramatically decreased by the lasting inhibition of protein synthesis through consecutive administration of cycloheximide. Cycloheximide, which was administered once within the first 24 h of recirculation, showed protective action on ischemic cell necrosis and its most potent effect was observed when injected at 12 h of post-ischemia. After 36 h of recirculation, however, treatment with cycloheximide could no longer prevent cell death. The possibility is considered that hippocampal delayed neuronal death following transient ischemia is caused by abnormal protein(s).

PMID:
2073592
DOI:
10.1016/0006-8993(90)90144-z
[Indexed for MEDLINE]

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