Metabolism of red blood cells after short-term exercise in rats.

Acta physiologica Polonica Pub Date : 1989-07-01
K Spodaryk, H Miszta, Z Dabrowski, W Gawroński
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Abstract

The aim of this study was to determine the changes of the basic parameters of the erythrocyte system and the activity of some red blood cell (RBC) enzymes prior to and after a single physical effort leading to exhaustion. The study was carried out on male Wistar rats subjected to running on an electric rotating drum at a speed of 25 m/min. A single exercise caused a decrease in the RBC count, haemoglobin concentration (Hb) and haematocrit (Hct) by 21.9, 16.7 and 16.1%, respectively, and an increase in the reticulocyte count (Ret) by 661.5%. The exercise triggered also changes in the activities of some erythrocytic enzymes: pyruvate kinase (PK) activity increased by 12.4%, glucose-6-phosphate dehydrogenase (G6PD) by 37.8%, glutathione reductase (GR) by 30.8% and acetylcholinesterase (AChE) by 248.7%. These increases in the activities of RBC enzymes can be explained by an increase in the red cells turn-over.

短期运动对大鼠红细胞代谢的影响。
本研究的目的是确定红细胞系统基本参数的变化和一些红细胞(RBC)酶的活性之前和之后的一次体力活动导致疲惫。雄性Wistar大鼠以25 m/min的速度在电动转鼓上奔跑。单次运动导致红细胞计数、血红蛋白浓度(Hb)和红细胞压积(Hct)分别下降21.9%、16.7%和16.1%,网织红细胞计数(Ret)增加661.5%。运动还引起了一些红细胞酶活性的变化:丙酮酸激酶(PK)活性增加12.4%,葡萄糖-6-磷酸脱氢酶(G6PD)活性增加37.8%,谷胱甘肽还原酶(GR)活性增加30.8%,乙酰胆碱酯酶(AChE)活性增加248.7%。红细胞酶活性的增加可以用红细胞转换率的增加来解释。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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