Construction and identification of eukaryotic dicistronic vector expressing TCA-12-2/TCB-7.1 |
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Authors: | ZHANG Wen-feng ZHANG Ju-feng SHAO Hong-wei WANG Jun-wei MOU Yan-fang HUANG Shu-lin |
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Institution: | Institute of Biopharmacology, School of Life Science & Biopharmacology, Guangdong Pharmaceutical College, ;Guangzhou 510006, China. E-mail: shulhuang@sina.com.cn |
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Abstract: | AIM: To construct the recombinant dicistronic eukaryotic expression vector pDC315-TCA-12-2-TCB-7.1, which containing T cell antigen receptor (TCR) genes TCA-12-2 and TCB-7.1, and to transfer this recombinant vector into 293 cells to investigate the expression of TCA-12-2 and TCB-7.1. METHODS: The TCA-12-2 was obtained by RT-PCR from the T cells and the TCB-7.1 was amplified by PCR from plamid pcDNA3.1-TCB-7.1 that we constructed before. TCA-12-2 and TCB-7.1 was cloned into vector pIRES2-AcGFP1 firstly, then subcloned into vector pDC315. The recombinant plasmid pDC315-TCA-12-2-TCB-7.1 was verified by restriction enzyme digestion and sequencing, the positive recombinant plasmid was transferred into 293 cells using Lipofectamine 2000. The expressions of gene TCA-12-2 and TCB-7.1 were identified by RT-PCR and flow cytometry. RESULTS: Both TCA-12-2 and TCB-7.1 genes were constructed into eukaryotic expression vector pDC315 and the expressions of genes in 293 cells were detected successfully with RT-PCR and flow cytometry. CONCLUSION: The dicistronic expression vector pDC315-TCA-12-2-TCB-7.1 is successfully constructed and expressed. |
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Keywords: | Receptors antigen T-cell Vector construction Gene expression |
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