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首页> 外文期刊>Molecular and Cellular Biology >Posttranscriptional control of human gamma interferon gene expression in transfected mouse fibroblasts.
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Posttranscriptional control of human gamma interferon gene expression in transfected mouse fibroblasts.

机译:转录后控制人类γ干扰素基因在转染的小鼠成纤维细胞中的表达。

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Human gamma interferon genomic DNA was introduced into NIH 3T3 fibroblasts by calcium phosphate precipitation and was not expressed in these cells at the cytoplasmic mRNA or protein level. Treatment of the transfected cells with cycloheximide (1 microgram/ml) induced the accumulation of cytoplasmic gamma interferon mRNA and biologically active human gamma interferon. Analysis of the nuclear enriched RNA from untreated cells indicated that human gamma interferon mRNA was present, suggesting that cycloheximide may act by inhibiting a specific nuclease or may enhance the processing or transport of the RNA from the nucleus to the cytoplasm.
机译:人类γ干扰素基因组DNA通过磷酸钙沉淀被引入NIH 3T3成纤维细胞中,并且在细胞质mRNA或蛋白质水平上未在这些细胞中表达。用环己酰亚胺(1微克/毫升)处理转染的细胞诱导了细胞质γ干扰素mRNA和具有生物活性的人γ干扰素的积累。对来自未处理细胞的富核RNA的分析表明存在人γ干扰素mRNA,这表明环己酰亚胺可能通过抑制特定核酸酶而起作用,或者可以增强RNA从细胞核到细胞质的加工或转运。

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