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Construction and significance of recombinant hF9 minigene and its stable nonsense mutant cell lines
Ist Teil von
Zhongguo shi yan xue ye xue za zhi, 2013-04, Vol.21 (2), p.422
Ort / Verlag
China
Erscheinungsjahr
2013
Link zum Volltext
Quelle
MEDLINE
Beschreibungen/Notizen
This study was purposed to construct the recombinant hF9 minigene and its stable nonsense mutant cell lines, and to investigate its significance. Minigene hF9 was cloned into the mammalian expression vector pCMV-Tag3B; a nonsense mutant containing a premature termination codon (PTC) in the 121(st) amino acid residue was obtained by PCR site-directed mutagenesis; minigene hF9 and nonsense mutant were respectively transfected into HepG2 cells with G418 treatment to get stable HepG2-WT and HepG2-N cell lines. The results confirmed that the minigene hF9 and nonsense mutant were constructed successfully. The gene of interest was amplified by RT-PCR from the stable cell lines, and the minigene hF9 was expressed in the stable cell lines. It is concluded that the recombinant hF9 minigene and its stable nonsense mutant cell lines are constructed successfully. The cell lines can be used to screen the drugs treating the nonsense mutation-caused hemophilia according to PTC read-through approaches.