Effect of Radical Scavenger N-Tert-Butyl-α-Phenylnitrone on Stroke in a Rat Model Using a Telemetric System
DOI:
https://doi.org/10.18433/J3JS30Abstract
We used malignant stroke-prone spontaneously hypertensive rats (M-SHRSP) as a stroke model to explore the effects of the radical scavenger N-tert-butyl-alpha-phenylnitrone (PBN) on stroke. PBN was administrated in drinking water to M-SHRSP. Circadian rhythms in heart rate, blood pressure, and locomotive activity in M-SHRSP were monitored with a telemetric system, in addition to measurement of water intake and body weight. Stroke-onset was assessed by changes in neurological symptoms, water intake, and body weight. Circadian rhythms were basically the same between PBN-treated and control rats several days after stroke onset. Significant differences were seen in blood pressure, relative weight of brain and water intake, heart rate, and locomotive activity between two groups. As a result, no significant difference in age of stroke onset was seen between PBN-treated and control rats, but PBN-treated rats displayed prolonged mean life spans. PBN might be effective in prolonging life span.Downloads
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