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High translation efficiency is mediated by the encephalomyocarditis virus internal ribosomal entry sites if the natural sequence surrounding the eleventh AUG is retained.

作者信息

Qiao Jian, Roy Vincent, Girard Marie Hélène, Caruso Manuel

机构信息

Le Centre de Recherche en Cancérologie de l'Université Laval, L'Hôtel Dieu de Québec, Centre Hospitalier Universitaire de Québec, 9 rue McMahon, Québec G1R 2J6, Canada.

出版信息

Hum Gene Ther. 2002 May 1;13(7):881-7. doi: 10.1089/10430340252899046.

DOI:10.1089/10430340252899046
PMID:11975853
Abstract

Internal ribosomal entry sites (IRES) allow cap-independent translation and are sequences that are often used in gene therapy for strategies in which several genes need to be expressed. In this study, two different sequences of encephalomyocarditis virus (EMCV) IRES were compared for their translation efficiency in the context of retroviral vectors. When the sequence surrounding the 11th AUG of the IRES was conserved (IRESg), the translation efficiency was significantly higher than if the AUG of the downstream gene started with the 11th AUG of the IRES (IRESb). The translation efficiency with IRESg was influenced by the cell type and also by the nature of the transgene.

摘要

相似文献

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