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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Overexpression of insulin-like growth factor-1 in the heart is coupled with myocyte proliferation in transgenic mice
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Overexpression of insulin-like growth factor-1 in the heart is coupled with myocyte proliferation in transgenic mice

机译:心脏中胰岛素样生长因子-1的过表达与转基因小鼠的心肌细胞增殖相关

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摘要

Transgenic mice were generated in which the cDNA for the human insulin-like growth factor 1B (IGF-1B) was placed under the control of a rat -myosin heavy chain promoter. In mice heterozygous for the transgene, IGF-1B mRNA was not detectable in the fetal heart at the end of gestation, was present in modest levels at 1 day after birth, and increased progressively with postnatal maturation, reaching a peak at 75 days.
机译:产生了转基因小鼠,其中将人胰岛素样生长因子1B(IGF-1B)的cDNA置于大鼠-肌球蛋白重链启动子的控制之下。在转基因杂合的小鼠中,妊娠末期在胎儿心脏中未检测到IGF-1B mRNA,在出生后1天以中等水平存在,并随着出生后的成熟逐渐增加,在75天达到峰值。

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