Molecular cloning of human IL-7cDNA and construction of eukaryotic vector expressing hIL-7

OBJECTIVE: To construct a vector expressing eukaryotic human interluken-7(hIL-7). METHODS: hIL-7 DNA was identified and cloned (cDNA) from human spleen tissue using reverse transcription polymerase chain reaction (RT-PCR). We incorporated the cDNA into the pMD18-T plasmid. The pMD18-T plasmid was th...

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Published inZhejiang da xue xue bao. Journal of Zhejiang University. Medical sciences. Yi xue ban Vol. 31; no. 3; pp. 174 - 177
Main Authors Cheng, Bei, Yie, Da-Feng, Xie, Xing, Chen, Huai-Zeng, Lu, Wei-Guo
Format Journal Article
LanguageChinese
Published China 25.06.2002
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Summary:OBJECTIVE: To construct a vector expressing eukaryotic human interluken-7(hIL-7). METHODS: hIL-7 DNA was identified and cloned (cDNA) from human spleen tissue using reverse transcription polymerase chain reaction (RT-PCR). We incorporated the cDNA into the pMD18-T plasmid. The pMD18-T plasmid was then inserted into a dual expression vector (prokaryotic and eukaryotic) pBK-CMV and called pBK-CMV-hIL-7. We used pBK-CMV-hIL-7 vector to infect E.coli DH5alpha. The expression of the recombinant hIL-7 protein (rhIL-7) by E.coli DH5alpha was analyzed using SDS-PAGE and western blot testing. RESULTS: The genetically engineered E.coli DH5alpha did express rhIL-7 confirmed by western blot. CONCLUSION: The successful construction of genetically engineered eukaryotic gene for hIL-7 was done, This will enable further research into therapeutic uses for hIL-7.
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ISSN:1008-9292