Please help with stable transfection

Khoa Ngo Khoa.Ngo at
Mon Oct 7 22:55:53 EST 2002

>>> Kyle Legate <legatek at> 10/08/02 10:13AM >>>
On 5 Oct 2002, John Ladasky wrote:

> The problem of making stable transfectants that are truly stable is
> unfortunately a common one.  Like you, I have had the percentage of
> fluorescence-positive cells decline as I continue to grow cells.
> Other researchers in the laboratories where I have worked have also
> had trouble.  It doesn't always happen, but when it does it is
> extremely frustrating.
Couldn't this arise from gene silencing? Although you have generated a
stable transfectant, the cells may have figured out a way to shut off
gene of interest.

 What would be other possible explainations for heterogenous expression
of a transgene in batch of cells derived from one single cell???
... . . .  .  .  .    .    .    .     .     .     .      .      .     
legatek at		Kyle Legate           
legatek at 

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