转录因子激活和人单核细胞的功能刺激

Bożena Kamińska , Leszek Kaczmarek , Lucia Malaguarnera , Antonio Arcidiacono , Luigi Messina , Giuseppina Spampinato , Angelo Messina
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引用次数: 16

摘要

研究了人单核细胞中编码转录因子c-fos和c-jun基因的表达激活和AP1转录复合体的形成。结果表明,脂多糖对c-fos和c-jun的表达以及AP1的形成均有较强的诱导作用。干扰素γ强烈激活c-fos,弱激活c-jun和AP1。肿瘤坏死因子对c-fos有轻微的诱导作用,对c-jun和AP1几乎无影响。这些数据表明,这三种因子在单核细胞中引起的功能反应的差异可能取决于它们所采用的核信号传导途径的不同。
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Transcription factor activation and functional stimulation of human monocytes

Activation of expression of genes encoding transcription factors: c-fos and c-jun and formation of AP1 transcriptional complex in human monocytes was investigated. It was found that lipopolysaccharide induced strongly both c-fos and c-jun expression as well as AP1 formation. Interferon γ activated strongly c-fos and weakly c-jun and AP1. Tumor necrosis factor induced slightly c-fos and had almost no effect on c-jun and AP1. The data suggest that differences in functional responses elicited in monocytes by all three factors may be dependent on different routes on nuclear signalling employed by the factors.

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