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transfecting cells with viral particles

transfecting cells with viral particles - Protocols and Methods Forum

transfecting cells with viral particles - Post Any Protocol, Method, Technique, Procedure or Tips / Troubleshooting for any Molecular Biology Technique.


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Old 05-06-2008, 08:39 AM
Giovanni Parisi
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Default transfecting cells with viral particles



hi all,
I am trying to transfect some fibroblasts and HEK 293 using viruses I
produced that transiently express shRNA. This is a tecnique never used
in my laboratory so I have not methods to tritate viruses so I am using
different volumes of obtained viruses. The first silencing experiment
was done using viral particles obtained from SIGMA and I had some
silencing but last time I had not silencing with viruses particles I
produced. Someone told me that producing viral particles with mission
system from SIGMA using HEK 293T cells is a very efficent process. Is
it possible that am I using a low concentration of viruses?
The second question is the following: I have intention to modify
lentiviral vector pLKO1 replaceing U6 promoter with CMV promoter and
cloning GFP cDNA in way to transfect cells to control efficiency of
transfection. Is it possible to do it?
thanx

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