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Cloning and sequence analyzing of interleukin- 2 and interleukin- 4 cDMA from the lymphocyte of Rongchang Pig
Author(s): 
Pages: 10-12
Year: Issue:  1
Journal: HEILONGJIANG ANIMAL SCIENCE AND VETERINARY MEDICINE

Keyword:  荣昌猪IL-2IL-4克隆;
Abstract: 将荣昌猪外周血淋巴细胞在刀豆素A(ConA)的刺激下培养24~70 h后,提取总RNA,应用RT-PCR技术扩增白细胞介素-2(IL-2)和白细胞介素-4(IL-4)cDNA,克隆到pMD18-T载体并测序.结果表明:克隆的IL-2 cDNA全长为522个碱基,ORF为465个碱基,编码154个氨基酸,与GenBank公布的猪IL-2比对同源性均为99.8%;克隆的IL-4 cDNA全长411个碱基,ORF为402个碱基,编码133个氨基酸,与GenBank公布的猪IL-4比对同源性均在98.0%以上,从而证实成功克隆了荣昌猪IL-2和IL-4基因cDNA.
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