甲状腺素对不同生命阶段蟾蜍（黑眶蟾蜍）和过山鲫（斑鳢）肝脏葡萄糖-6-磷酸酶活性及糖原含量的影响。
Effect of thyroxine on hepatic glucose-6-phosphatase activity and glycogen content of toad (Bufo melanostictus) and Lata fish (Ophicephalus punctatus) at different stages of life.
作者信息
Paul A K, Medda A K
出版信息
Acta Physiol Hung. 1985;65(3):233-8.
The effects of thyroxine (T4) on hepatic glucose-6-phosphatase activity and glycogen content in toad (Bufo melanostictus) and Lata fish (Ophicephalus punctatus) were studied in order to show the difference, if any in the enzyme activity and glycogen metabolism in their liver. Thyroxine injections (1 microgram/g) for five consecutive days caused a reduction in hepatic glucose-6-phosphatase activity and glycogen content in toads of immature, juvenile and adult stages. In contrast, Lata fish of different stages showed an enhancement of hepatic glucose-6-phosphatase activity after T4 treatment (1 microgram/g, 5 injections). The liver glycogen content in Lata fish of different age groups was found to be reduced after T4 injections, but not so much as in the toad.
为了揭示蟾蜍（黑眶蟾蜍）和拉塔鱼（斑鳢）肝脏中葡萄糖-6-磷酸酶活性和糖原含量是否存在差异，研究了甲状腺素（T4）对它们的影响。连续五天注射甲状腺素（1微克/克）导致未成熟、幼年和成年阶段蟾蜍的肝脏葡萄糖-6-磷酸酶活性和糖原含量降低。相比之下，不同阶段的拉塔鱼在接受T4处理（1微克/克，注射5次）后，肝脏葡萄糖-6-磷酸酶活性增强。不同年龄组的拉塔鱼在注射T4后肝脏糖原含量降低，但降幅不如蟾蜍大。
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