インスリン投与が骨格筋の成長及び代償性筋肥大に及ぼす影響について

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The effects of insulin administration on the normal growth of mouse skeletal muscle and its effect on induction of muscle hypertrophy by tenotomy were investigated in this experiment. 1)The influence of insulin dosage on rat body weight was investigated. The results of examining the influence of insulin dosage on body weight showed significant increases in body weight in the 8.0U/kg dosage group and 16.0U/kg dosage group compared to the control group. 2)The influence of insulin dosage on rat blood glucose levels was investigated. The blood glucose values of the 1.0U/kg dosage group were significantly lower than in the control group. They were significantly lower in the 1.0U/kg dosage group than in the other dosage groups. The positive utilization of glucose in the peripheral organization was suggested. 3)The effect of insulin dosage on skeletal muscle weight was tested. ANOVA shows a significant difference in soleus muscle weight as the insulin dosage rose. Soleus muscle weight at the 1.0U/kg dosage was significantly higher than in the other groups. By contrast, no significant differences in muscle weight were observed in the control group as the dose insulin increased. The weight of fast muscle was unaffected by the size of the insulin dosage. 4)The influence of insulin dosage on the compensatory muscle hypertrophy was examined. The influence of insulin dosage to the compensatory muscle hypertrophy was examined after one week. A 75% increase in soleus muscle after tenotomy was observed in the control group. Although the plantaris muscle showed an average 30% increase, the difference was not significant. A tendency for the weight of soleus muscle and palntaris muscle to increase after tenotomy was observed in the 2.0U/kg dosage group, but the increments were not significantly different. Effect of tenotomy was observed weight of the soleus from an average of 7.3% in the 16.0U/kg dosage group, but the increment was not significant. On the other hand, plantaris muscle weight increased about 65% and the increment was significant.
日本体力医学会の論文
2001-08-01

インスリン投与が骨格筋の成長及び代償性筋肥大に及ぼす影響について

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