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stable transfection

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#1 SF_HK



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Posted 22 November 2018 - 04:34 PM



I stably transfected my cell line with a plasmid carrying a mutation of my gene of interest (GOI) which is tagged to HA.


After lentiviral stable transfection, I collected the protein from stable cell lines and found very high HA expression. However, when I sent my DNA from these stable cell lines for sequencing, I do not see a mutation in my GOI. But there is high expression of HA-tagged protein in my western.


I selected the cells with puromycin following transfection. 


I'm a bit confused and would appreciate any suggestions.


Thank you

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