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Biological activity of ovine IL-23 expressed using a foot-and-mouth disease virus 2A self-cleaving peptide

机译:口蹄疫病毒2A自裂解肽表达的绵羊IL-23的生物活性

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摘要

Hetero-dimeric cytokines often require equi-molar expression of both subunits to achieve biological activity. Previously, we expressed ovine IL-12 p40 and p35 linked using a self-cleaving 2A peptide from foot-and-mouth disease virus (FMDV). We now generated a new improved vector for the expression of hetero-dimeric cytokines and demonstrate the more general applicability of this strategy by cloning and expressing ovine IL-23 using the 2A peptide to link IL-12/IL-23 p40 and p19. The resulting protein was shown to be biologically active when expressed in mammalian COS cells. IL-23 plays a significant role in the differentiation of Th17 cells as well as autoimmunity and the regulation of inflammatory processes. As such this reagents will be invaluable in the unravelling of regulation of the ovine immune system for both veterinary and human animal model applications. ? 2013 Elsevier Ltd.
机译:异二聚体细胞因子通常需要两个亚基的等摩尔表达才能实现生物学活性。以前,我们表达了使用口蹄疫病毒(FMDV)的自切割2A肽连接的绵羊IL-12 p40和p35。我们现在生成了一种用于表达异二聚体细胞因子的新型改良载体,并通过使用2A肽连接IL-12 / IL-23 p40和p19克隆和表达绵羊IL-23,证明了该策略的更普遍适用性。当在哺乳动物COS细胞中表达时,所得蛋白质显示出生物活性。 IL-23在Th17细胞的分化以及自身免疫和炎症过程的调节中起着重要作用。因此,对于兽医和人类动物模型的应用而言,该试剂对于解开绵羊免疫系统的调节将是无价的。 ? 2013爱思唯尔有限公司

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