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胰岛素对离体大鼠膈肌中氨基葡萄糖代谢的影响。

The influence of insulin on the metabolism of glucosamine in the isolated rat diaphragm muscle.

作者信息

Beloff-Chain A, Chain E B, Rookledge K A

出版信息

Biochem J. 1970 Aug;119(1):27-30. doi: 10.1042/bj1190027.

Abstract
  1. The influence of insulin on the metabolism of [1-(14)C]glucosamine by diaphragm muscle from normal rats and rats rendered diabetic with streptozotocin has been studied. 2. The glucosamine was converted into glucosamine 1-phosphate, glucosamine 6-phosphate, glycogen, lactate and small amounts of other unidentified intermediates. 3. Insulin increased the incorporation of (14)C into glycogen in both the normal and diabetic muscle, but did not increase the formation of the glucosamine phosphate esters. 4. The (14)C content in the glycogen was present partly as glucose and partly as glucosamine; there was significantly more [(14)C]glucose in the glycogen of the diabetic muscle than in that of the normal muscle.
摘要
  1. 研究了胰岛素对正常大鼠及用链脲佐菌素诱导糖尿病大鼠膈肌中[1-(14)C]葡糖胺代谢的影响。2. 葡糖胺被转化为葡糖胺-1-磷酸、葡糖胺-6-磷酸、糖原、乳酸及少量其他未鉴定的中间产物。3. 胰岛素增加了正常和糖尿病肌肉中(14)C掺入糖原的量,但未增加磷酸葡糖胺酯的形成。4. 糖原中的(14)C含量部分以葡萄糖形式存在,部分以葡糖胺形式存在;糖尿病肌肉糖原中的[(14)C]葡萄糖明显多于正常肌肉糖原中的[(14)C]葡萄糖。

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