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자료유형
학술저널
저자정보
저널정보
한국운동생리학회 운동과학 운동과학 제26권 제1호
발행연도
2017.1
수록면
96 - 102 (7page)

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PURPOSE: The purpose of this study was to investigate the effects of detraining on ACh, AChE, β-amyloid, apolipoprotein expression and cognitive function in brain tissue of memory impairment rats. METHODS: Sparague-Dawley rats (n=40) were randomly divided into 4 groups (age=7 weeks, n=10 in each group): control group (CON), scopolamine-induced control group (SCO-CON), scopolamine+low intensity exercise group (SCO-LEX) and scopolamine+high intensity exercise group (SCO-HEX). The exercise groups were trained progressively on a treadmill, five days per a week for eight weeks following treadmill running programs: i) low intensity (1-4 weeks: 10 m/min for 30 min, 5-8 weeks: 12 m/min for 30 min), ii) high intensity (1-4 weeks: 15 m/min for 30 min, 5-8 weeks: 16 m/min for 30 min). After 8 weeks-exercise programming, detraining was conducted for the same period. RESULTS: After detraining for 8 weeks, both exercise groups significantly increased Ach concentration compared with SCO-CON. Exercise groups significantly reduced AChE activity, β-amyloid and ApoE ε4 protein volumes compared to the SCO-CON. Both exercise groups showed a significant decrease of escape latency compared to the control group. CONCLUSIONS: In spite of the effects of detraining, regular exercise is still considered to have a positive influence on the changes of memory impairment related factors.

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