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KMID : 0355819950190010145
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Korean Journal of Oral Anatomy
1995 Volume.19 No. 1 p.145 ~ p.154
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Ettects of movement by Weight Training Model in the Nucleolar organizer Region Activity and Histochemical Fiber Types of the Rat Soleus Muscle
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Abstract
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This study was to investigated the nucleolar organizer region(NOR) associated protein by means of silver chloride staining and muscle fiber types in sections stained for SDH in the soleus muscle loaded with movement by klitgaard's weight training
model.
Ag-NOR technique is a indirect measure of the ongoing transcriptional activity of the rRAN gene or their activity, The number of Ag-NORs sites within nucleus may reflect protein synthetic activity and proliferation.
Thirty spraque-Dawley adult female rat(190-200g) were divided into control and 3 experimental groups were trained for 1.2.3 months.
Body weight and muscle weight measured at 1. 2. 3 month. The removed muscle fixed by immersion, and processed for light microscopy.
@ES The result were as follows ;
@EN 1. Body weight were slowly increased, but muscle weight were step by step increased with the lapse of time of training.
2. after movement. The mean number of nuclealar organizer regions per nucles were significantly increased at 3 month in soleus muscle.
3. The percent of nucleus include 4 Ag-NOR or more was increased with the lapse of time of training.
4. In muscle fiber types, type A were decreased an type C were significantly increased with the lapse of time of training.
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