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| Titel: |
Gene expression profiling in the hippocampus of rats subjected to focal cerebral ischemia and enriched environment housing |
| Auteur: |
Sonninen, Riitta Virtanen, Tiina Sivenius, Juhani Jolkkonen, Jukka |
| Verschenen in: |
Restorative neurology and neuroscience |
| Paginering: | Jaargang 24 (2006) nr. 1 pagina's 17-23 |
| Jaar: |
2006-04-06 |
| Inhoud: |
Purpose: Enriched environment housing enhances brain plasticity and improves recovery of impaired sensorimotor and cognitive functions of rats subjected to transient middle cerebral artery occlusion (MCAO). The present study applied microarray technique to investigate the molecular basis through which enriched environment might improve spatial learning in MCAO rats. Methods: MCAO rats were housed in enriched environment or in standard single cages, and sham-operated rats were housed in standard single cages. Spatial learning was assessed using the Morris water-maze on postoperative days 22 to 24. Total RNA from the ipsilateral hippocampus was extracted for microarray analysis after the follow-up period. Results: Water-maze performance on postoperative days 22 to 24 showed that rats subjected to transient MCAO were impaired in the hippocampus-dependent Morris water-maze test. Enriched environment housing reversed the spatial learning impairment on postoperative day 23. Gene expression in the hippocampus was not affected by MCAO or following enriched environment housing. Conclusion: Spatial learning impairment following transient MCAO in rats and cognitive improvement following housing in enriched environment may not be related to altered hippocampal gene expression. |
| Uitgever: |
IOS Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 4 van 7 gevonden artikelen
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