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氟化物对培养细胞分离细胞核中DNA合成的抑制作用。

Fluoride inhibition of DNA synthesis in isolated nuclei from cultured cells.

作者信息

Holland R I

出版信息

Acta Pharmacol Toxicol (Copenh). 1979 Oct;45(4):302-5. doi: 10.1111/j.1600-0773.1979.tb02397.x.

DOI:10.1111/j.1600-0773.1979.tb02397.x
PMID:525362
Abstract

DNA synthesis in isolated nuclei from both fluoride sensitive and resistant LS cells was inhibited by fluoride at and above 3 mM. These fluoride concentrations also had an inhibitory effect on DNA synthesis in intact sensitive cells, but not in resistant cells. Due to previous findings that the intracellular fluoride concentration in the sensitive cells is only 30-40% of the extracellular, it is suggested that inhibition of DNA synthesis in intact cells is secondary to the inhibitory effect on protein synthesis.

摘要

在浓度为3 mM及以上时,氟化物会抑制氟化物敏感型和抗性LS细胞分离细胞核中的DNA合成。这些氟化物浓度对完整的敏感细胞中的DNA合成也有抑制作用,但对抗性细胞没有影响。鉴于之前的研究结果表明,敏感细胞内的氟化物浓度仅为细胞外的30%-40%,因此有人提出,完整细胞中DNA合成的抑制是蛋白质合成抑制的继发效应。

相似文献

1
Fluoride inhibition of DNA synthesis in isolated nuclei from cultured cells.氟化物对培养细胞分离细胞核中DNA合成的抑制作用。
Acta Pharmacol Toxicol (Copenh). 1979 Oct;45(4):302-5. doi: 10.1111/j.1600-0773.1979.tb02397.x.
2
Effect of sodium fluoride on protein and DNA synthesis, ornithine decarboxylase activity, and polyamine content in LS cells.氟化钠对LS细胞中蛋白质和DNA合成、鸟氨酸脱羧酶活性及多胺含量的影响。
Acta Pharmacol Toxicol (Copenh). 1979 May;44(5):350-3. doi: 10.1111/j.1600-0773.1979.tb02343.x.
3
Fluoride and energy metabolism in LS cells.
Acta Pharmacol Toxicol (Copenh). 1979 May;44(5):347-9. doi: 10.1111/j.1600-0773.1979.tb02342.x.
4
Fluoride inhibition of protein and DNA synthesis in cells in vitro.氟化物在体外对细胞中蛋白质和DNA合成的抑制作用。
Acta Pharmacol Toxicol (Copenh). 1979 Aug;45(2):96-101. doi: 10.1111/j.1600-0773.1979.tb02367.x.
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Fluoride, fluoride resistance and glycolysis in cultured cells.培养细胞中的氟化物、耐氟性和糖酵解
Acta Pharmacol Toxicol (Copenh). 1978 Sep;43(3):240-5. doi: 10.1111/j.1600-0773.1978.tb02260.x.
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The effect of fluoride on the cellular uptake and pool of amino acids.氟化物对氨基酸细胞摄取及储备的影响。
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Effect of fluoride on the activity of ornithine decarboxylase in normal and fluoride resistant LS cells.氟对正常及耐氟LS细胞中鸟氨酸脱羧酶活性的影响。
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Metabolism and proliferation of L929 mouse fibroblasts cultured in the presence of sodium fluoride.在氟化钠存在的情况下培养的L929小鼠成纤维细胞的代谢与增殖
Z Rheumatol. 1978 Nov-Dec;37(11-12):395-404.
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Effect of n-butyrate on DNA synthesis in chick fibroblasts and HeLa cells.
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[DNA synthesis in heterokaryons obtained by the fusion of polymorphonuclear leukocytes and cultured cells possessing different proliferative potentials].[通过多形核白细胞与具有不同增殖潜能的培养细胞融合获得的异核体中的DNA合成]
Tsitologiia. 1991;33(2):48-55.

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