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Genetic characterization of interleukins (IL-1α IL-1β IL-2 IL-4 IL-8 IL-10 IL-12A IL-12B IL-15 and IL-18) with relevant biological roles in lagomorphs

机译:白介素(IL-1αIL-1βIL-2IL-4IL-8IL-10IL-12AIL-12BIL-15和IL-18)的遗传表征变体

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摘要

ILs, as essential innate immune modulators, are involved in an array of biological processes. In the European rabbit (Oryctolagus cuniculus) IL-1α, IL-1β, IL-2, IL-4, IL-8, IL-10, IL-12A, IL-12B, IL-15 and IL-18 have been implicated in inflammatory processes and in the immune response against rabbit hemorrhagic disease virus and myxoma virus infections. In this study we characterized these ILs in six Lagomorpha species (European rabbit, pygmy rabbit, two cottontail rabbit species, European brown hare and American pika). Overall, these ILs are conserved between lagomorphs, including in their exon/intron structure. Most differences were observed between leporids and American pika. Indeed, when comparing both, some relevant differences were observed in American pika, such as the location of the stop codon in IL-1α and IL-2, the existence of a different transcript in IL8 and the number of cysteine residues in IL-1β. Changes at N-glycosylation motifs were also detected in IL-1, IL-10, IL-12B and IL-15. IL-1α is the protein that presents the highest evolutionary distances, which is in contrast to IL-12A where the distances between lagomorphs are the lowest. For all these ILs, sequences of human and European rabbit are more closely related than between human and mouse or European rabbit and mouse.
机译:IL作为必需的先天免疫调节剂,参与一系列生物过程。在欧洲兔(穴兔)中,涉及IL-1α,IL-1β,IL-2,IL-4,IL-8,IL-10,IL-12A,IL-12B,IL-15和IL-18。在炎症过程中,以及在针对兔出血性疾病病毒和粘液瘤病毒感染的免疫反应中。在这项研究中,我们对6种Lagomorpha物种(欧洲兔,侏儒兔,两种棉尾兔物种,欧洲棕兔和美国鼠兔)的这些IL进行了表征。总体而言,这些IL在lagomorphs之间保守,包括在其外显子/内含子结构中。观察到脂蛋白和美洲鼠兔之间的差异最大。确实,当将两者进行比较时,在美洲鼠兔中观察到一些相关差异,例如IL-1α和IL-2中终止密码子的位置,IL8中存在不同的转录本以及IL-1β中半胱氨酸残基的数量。在IL-1,IL-10,IL-12B和IL-15中也检测到N-糖基化基序的变化。 IL-1α是具有最高进化距离的蛋白质,与IL-12A相比,后者的变体之间的距离最低。对于所有这些IL,人和欧洲兔子的序列比人和小鼠或欧洲兔子和小鼠之间的关系更紧密。

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