期刊
BEHAVIOURAL BRAIN RESEARCH
卷 361, 期 -, 页码 32-38出版社
ELSEVIER
DOI: 10.1016/j.bbr.2018.12.038
关键词
Olfactory ensheathing cells; Mitochondria; Cytochrome C; Micro-PET
资金
- Natural Science Foundation of China [81572225]
Olfactory ensheathing cells (OECs) has been widely studied in stroke. The present study was aimed at examining the role of wheel-running treatment (WR) on rat olfactory ensheathing cells (rOECs) functions. Thirty adult male Sprague Dawley rats were randomly divided into two groups: the middle cerebral artery occlusion (MCAO) group and WR + MCAO group. Motor behavior was assessed through the footfault test, and the results showed that WR training markedly improved the neurobehavioral outcome. The glucose metabolic status of the brain was assessed with the micro-PET. This training significantly enhanced the glucose uptake of olfactory bulb in the early stage of WR treatment. The function of rOECs mitochondrial was significantly enhanced after 10 days of treatment. Body weight of rats in both of the two groups decreased and then increased slowly following the days. But the growth trend of the WR + MCAO group was no significantly higher than that of the WR group. This training significantly enhanced the glucose uptake, improved the proliferation of rOECs and increased the expression level of cytochrome C (Cyt-c). The mechanism may be associated with the facilitation of mitochondrial function of rOECs cells. Including facilitation of mitochondrial fusion, fission, and accompanying increased quantities of mitochondria. Obtained results indicate that early WR treatment may exert enhanced function on rOECs in vivo and increased mitochondrial amounts, and improved the expression level of Cyt-c after ischemic stroke.
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