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1.
Yakhteh Medical Journal. 2010; 12 (2): 207-214
Dans Persan, Anglais | IMEMR | ID: emr-98591

Résumé

The aim of this study was to produce a stable CHO cell line expressing tenecteplase. In the first step, the tenecteplase coding sequence was cloned in a pDB2 vector containing attB recognition sites for the phage phi C31 integrase. Then, using lipofection, the CHO cells were co-transfected with constructed recombinant plasmid encoding tenecteplase and attB recognition sites and the integrase coding sequence containing pCMV-Int plasmid. As the recombinant plasmid contained the neomycin resistance gene [neo], stable cells were then selected using G418 as an antibiotic. Stable transformed cells were assessed using genomic PCR and RT-PCR. Finally, the functionality of tenecteplase was evaluated on the cell culture media. our results indicated that tenecteplase coding sequence was inserted into the CHO cell genome and was successfully expressed. Moreover, tenecteplase activity assessment indicated the presence of our functional tenecteplase in the cell culture medium. Considering the data obtained from this study, phi C31 integrase can be used for the production of a stable cell line and it be used to introduce ectopic genes into mammalian cells


Sujets)
Cellules CHO , Lignée cellulaire , Integrases
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Détails de la recherche