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Certain amino acids regulate growth hormone (GH) binding to cultured pig hepatocytes

机译:某些氨基酸调节生长激素(GH)与培养的猪肝细胞结合

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Previous studies have demonstrated effects of certain amino acids (arg, pro, thre, tryp, val) on GH-stimulated IGF-I mRNA expression by cultured pig hepatocytes. The present study was aimed at investigating one possible mechanism for this effect, translation of the GH receptor (GHR) gene, using GH-binding as a measure of GHR protein. Removal of arg, pro, thre or tryp reduced specific binding of bGH to cultured pig hepatocytes. There was no effect on intracellular DNA, protein, glycogen or free glucose, but changes in the intracellular free amino acid pool were observed, although the significance is not known. Certain amino acids may therefore interact with the GH-IGF axis by regulating translation of GHR mRNA.
机译:以前的研究已经证明了某些氨基酸(Arg,Pro,Thre,Tryp,Val)对通过培养的猪肝细胞进行GH刺激的IGF-I mRNA表达的影响。目前的研究旨在研究使用GH结合作为GHR蛋白的量度的GH受体(GHR)基因的一种可能的机制。将Arg,Pro,Thre或Tryp除去BGH对培养的猪肝细胞的特异性结合。对细胞内DNA,蛋白质,糖原或游离葡萄糖没有影响,但观察到细胞内游离氨基酸池的变化,尽管不知道意义。因此,某些氨基酸可以通过调节GHR mRNA的翻译来与GH-IGF轴相互作用。

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