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首页> 外文期刊>Journal of Cellular Physiology >Activation of junB and c-myc primary response genes by interleukin 9 in a human factor-dependent cell line.
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Activation of junB and c-myc primary response genes by interleukin 9 in a human factor-dependent cell line.

机译:激活junB和原癌基因主要反应白介素基因的9人因子依赖细胞株。

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摘要

Interleukin 9 (IL-9) stimulates the proliferation of various hematopoietic cell types. To elucidate the molecular mechanisms underlying the cell proliferation action, immediate-early gene expression elicited by IL-9 in a human factor-dependent cell line, MO7e, was studied. IL-9 stimulation resulted in a rapid and transient elevation of primary response genes including junB and c-myc. The differential effects of protein kinase inhibitors, herbimycin A, genistein, and H-7 on the steady-state mRNA level and the transcription rate of junB and c-myc genes triggered by IL-9 were also investigated. Herbimycin A, but not genistein, specifically inhibited the expression of junB steady-state mRNA and the in vitro transcription of the junB gene. IL-9-enhanced c-myc gene expression was completely inhibited by both herbimycin A and genistein at the level of transcriptional initiation. H-7 failed to inhibit c-myc, but partially abolished junB mRNA induction. The role of protein kinase C in IL-9-mediated junB induction was also examined. The different responses of junB and c-myc messages to protein kinase inhibitors suggested that more than one pathway may be involved in IL-9-mediated signal transduction which leads to the expression of junB and c-myc genes.
机译:白介素9 (IL-9)刺激增殖各种造血细胞类型。细胞的分子机制扩散作用,即早期基因IL-9表达引起的人类MO7e因子依赖细胞株,研究。导致快速和IL-9刺激瞬态的主要反应基因包括junB和原癌基因。蛋白激酶抑制剂的影响,herbimycin一、染料木素和第7稳态mRNA水平和转录junB和原癌基因基因IL-9也引发了调查。特别是抑制junB的表达稳态mRNA和体外转录junB的基因。表达式都完全被抑制herbimycin和染料木素的水平转录起始。原癌基因,但部分废除junB信使rna归纳。IL-9-mediated junB感应也检查了。junB和原癌基因的不同反应蛋白激酶抑制剂建议的消息多个途径可能参与IL-9-mediated信号转导导致junB和原癌基因基因的表达。

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