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首页> 外文期刊>Biochemistry >Glutamic Acid Signal Synchronizes Protein Synthesis Kinetics in Hepatocytes from Old Rats for the Following Several Days. Cell Metabolism Memory
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Glutamic Acid Signal Synchronizes Protein Synthesis Kinetics in Hepatocytes from Old Rats for the Following Several Days. Cell Metabolism Memory

机译:谷氨酸信号在几天内从旧大鼠肝细胞中同步蛋白质合成动力学。 细胞新陈代谢记忆

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摘要

The kinetics of protein synthesis was investigated in primary cultures of hepatocytes from old rats in serum-free medium. The rats were fed mixed fodder supplemented with glutamic acid and then transferred to a regular mixed fodder. The amplitude of protein synthesis rhythm in hepatocytes isolated from these rats increased on average 2-fold in comparison with the rats not receiving glutamic acid supplement. Based on this indicator reflecting the degree of cell-cell interactions, the cells from old rats were not different from those of young rats. The effect was preserved for 3-4 days. These results are discussed in connection with our previous data on preservation of the effect of single administration of gangliosides, noradrenaline, serotonin, and other synchronizers on various cell populations. In contrast to the other investigated factors, glutamic acid is capable of penetrating the blood-brain barrier, which makes its effect possible not only in the case of hepatocytes and other non-brain cells, but also in neurons.
机译:在无血清培养基中的老鼠肝细胞的原代培养物中研究了蛋白质合成的动力学。将大鼠补充用谷氨酸补充的混合饲料,然后转移到常规混合饲料中。与未接受谷氨酸补充剂的大鼠相比,从这些大鼠中分离的肝细胞中蛋白质合成节律的蛋白合成节律的幅度平均为2倍。基于反映细胞细胞相互作用程度的该指标,来自旧大鼠的细胞与幼小大鼠的细胞不同。效果保存3-4天。这些结果与我们以前的数据保存了单一施用神经节苷脂,去甲肾上腺素,血清酮和其他同步者对各种细胞群体的数据进行讨论的。与其他调查因素相比,谷氨酸能够穿透血脑屏障,这不仅可以在肝细胞和其他非脑细胞的情况下实现其效果,也可以在神经元的情况下。

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