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首页> 外文期刊>European cytokine network >A three base pair gene variation within the distal 5'-flanking region of the interleukin-10 (IL-10) gene is related to the in vitro IL-10 production capacity of lipopolysaccharide-stimulated peripheral blood mononuclear cells.
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A three base pair gene variation within the distal 5'-flanking region of the interleukin-10 (IL-10) gene is related to the in vitro IL-10 production capacity of lipopolysaccharide-stimulated peripheral blood mononuclear cells.

机译:白介素10(IL-10)基因的远端5'侧翼区域内的三个碱基对基因变异与脂多糖刺激的外周血单核细胞的体外IL-10生产能力有关。

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摘要

Interleukin-10 (IL-10) is an important multifunctional immunmodulator. There is evidence that IL-10 secretion is associated with certain genetic elements of the proximal IL-10 gene 5'-flanking region. The allelic and genotypic comparison of IL-10 expression by lipopolysaccharide (LPS)- stimulated leukocytes (PBMC) with a recently discovered distal "indel" DNA-sequence variation at - 7400 bp revealed significant inter-individual differences in the IL-10 in vitro production capacity. Homozygotes lacking the three base pairs "GGA" (- 7400del) at this gene locus are characterised by high expression of IL-10 with a median of 1690pg/ml (P
机译:白介素-10(IL-10)是一种重要的多功能免疫调节剂。有证据表明IL-10分泌与近端IL-10基因5'侧翼区的某些遗传成分有关。脂多糖(LPS)刺激的白细胞(PBMC)与最近发现的末端“插入/缺失” DNA序列变异为-7400 bp,对IL-10表达的等位基因和基因型比较表明,体外IL-10存在明显的个体差异生产能力。在该基因位点缺少三个碱基对“ GGA”(-7400del)的纯合子的特征在于IL-10的高表达,中位数为1690pg / ml(P <或= 0.009)。等位基因比较支持这一发现(P <或= 0.002)。对单倍型-7400 /-1087的进一步分析表明,-7400del /-1087G的纯合子可归类为非常强的IL-10应答剂,其IL-10分泌中位数为2378 pg / ml(P <或= 0.025)。当体外用二丁酰-cAMP刺激白细胞或用爱泼斯坦-巴尔病毒感染时,没有观察到-7400indel等位基因或基因型与IL-10体外生产能力之间的显着个体差异。我们的发现进一步了解了与已定义的调控基因变异有关的IL-10基因调控的复杂性。

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