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[长期深度低温状态下湖蛙及某些爬行动物组织中的能量代谢特征]

[Characteristics of energy metabolism in the tissues of lake frogs and certain reptiles during prolonged deep hypothermia].

作者信息

L'vova S P

出版信息

Ukr Biokhim Zh (1978). 1981 Jan-Feb;53(1):16-20.

PMID:7210219
Abstract

A week hypothermia (2-4 degrees C) does not cause a considerable decrease in content of glycogen in the liver, muscles, brain tissues of Lacerta strigata, Natrix tessellata and Rana ridibunda. In Eremias arguta pangolins the level of glycogen in the liver and muscles under these conditions is twice as low. Prolongation of hypothermia till three weeks causes a 4-fold decrease in the polysaccharide level in the liver of Eremias arguta and Lacerta strigata. The content of nonesterified fatty acids in blood under hypothermia (especially of three-week one) considerably exceeds the normal level. The content of lactic acid in tissues is two-three times as high under prolonged hypothermia, in the reptile muscles creatine phosphate accumulates in high amounts.

摘要

一周的低温(2-4摄氏度)不会导致麻蜥、棋斑水游蛇和泽蛙的肝脏、肌肉、脑组织中的糖原含量显著下降。在这些条件下,快步麻蜥的肝脏和肌肉中的糖原水平低两倍。将低温延长至三周会导致快步麻蜥和麻蜥肝脏中的多糖水平下降四倍。低温(尤其是三周的低温)下血液中游离脂肪酸的含量大大超过正常水平。长时间低温下组织中乳酸含量高出两到三倍,在爬行动物肌肉中磷酸肌酸大量积累。

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