Effects of Long-Term Microgravitation Exposure on Cell Respiration of the Rat Musculus Soleus Fibers

被引：0
|
作者：
O. M. Veselova
I. V. Ogneva
I. M. Larina
机构：
[1] the Russian Academy of Sciences,Institute of Biomedical Problems
来源：
Bulletin of Experimental Biology and Medicine | 2011年 / 151卷
关键词：
microgravitation; musculus soleus; cell respiration;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Cell respiration of the m. soleus fibers was studied in Wistar rats treated with succinic acid and exposed to microgravitation for 35 days. The results indicated that respiration rates during utilization of endogenous and exogenous substrates and the maximum respiration rate decreased in animals subjected to microgravitation without succinate treatment. The respiration rate during utilization of exogenous substrate did not increase in comparison with that on endogenous substrates. Succinic acid prevented the decrease in respiration rate on endogenous substrates and the maximum respiration rate. On the other hand, the respiration rate on exogenous substrates was reduced in vivarium control rats receiving succinate in comparison with intact control group. That could indicate changed efficiency of complex I of the respiratory chain due to reciprocal regulation of the tricarbonic acid cycle.
引用
收藏
页码：318 / 320
页数：2
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