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一种可溶性超活性胰岛素形式。

A soluble super-active form of insulin.

作者信息

Oka T, Topper Y J

出版信息

Proc Natl Acad Sci U S A. 1974 May;71(5):1630-3. doi: 10.1073/pnas.71.5.1630.

Abstract

Insulin-like material can be extracted from insulin-Sepharose. This soluble material elicits super-insulin responses from mammary epithelial cells. It stimulates the accumulation of alpha-aminoisobutyric acid by virgin mouse mammary cells, which are unresponsive to insulin itself. It exerts a greater stimulatory effect on mammary cells from pregnant mice than insulin. It also is more efficacious than insulin as a stimulant of DNA synthesis and the combined activities of glucose-6-phosphate dehydrogenase (EC 1.1.1.49) and phosphogluconate dehydrogenase (EC 1.1.1.43). Its specific biological activity on these cells is more than five times greater than that of insulin.

摘要

胰岛素样物质可从胰岛素-琼脂糖中提取。这种可溶性物质能引发乳腺上皮细胞的超胰岛素反应。它能刺激未对胰岛素本身产生反应的处女鼠乳腺细胞积累α-氨基异丁酸。它对怀孕小鼠的乳腺细胞的刺激作用比胰岛素更大。作为DNA合成以及葡萄糖-6-磷酸脱氢酶(EC 1.1.1.49)和磷酸葡萄糖酸脱氢酶(EC 1.1.1.43)联合活性的刺激剂,它也比胰岛素更有效。它对这些细胞的特定生物学活性比胰岛素高五倍以上。

相似文献

1
A soluble super-active form of insulin.一种可溶性超活性胰岛素形式。
Proc Natl Acad Sci U S A. 1974 May;71(5):1630-3. doi: 10.1073/pnas.71.5.1630.
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Insulin-sepharose and the dynamics of insulin action.胰岛素琼脂糖凝胶及胰岛素作用动力学
Proc Natl Acad Sci U S A. 1971 Sep;68(9):2066-8. doi: 10.1073/pnas.68.9.2066.
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Is prolactin mitogenic for mammary epithelium?催乳素对乳腺上皮细胞有促有丝分裂作用吗?
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Fatty acid synthesis in sheep mammary tissue.
J Dairy Sci. 1973 Oct;56(10):1312-8. doi: 10.3168/jds.S0022-0302(73)85352-4.

本文引用的文献

4
Insulin-sepharose and the dynamics of insulin action.胰岛素琼脂糖凝胶及胰岛素作用动力学
Proc Natl Acad Sci U S A. 1971 Sep;68(9):2066-8. doi: 10.1073/pnas.68.9.2066.
5
Development of insulin-sensitivity by mouse mammary gland in vitro.小鼠乳腺在体外对胰岛素敏感性的发展
Proc Natl Acad Sci U S A. 1970 Nov;67(3):1493-500. doi: 10.1073/pnas.67.3.1493.
8
Hormone-dependent differentiation of mammary gland in vitro.体外乳腺的激素依赖性分化。
Proc Natl Acad Sci U S A. 1965 Aug;54(2):629-34. doi: 10.1073/pnas.54.2.629.

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