DNA prep for transient transfection

[Ian A. York]

In article <3jfav3$n2e at amcnix.amc.uva.nl> seppen at amc.uva.nl writes:
>
>we had a similar problem with obtaining stable transfectants. I now routinely
>do one phenol and two chloroform/iaa exctractions after the maxiprep with
>qiagen. The interfase always contains protein, so qiagen is probably not
>enough to get pure vector.

	Hmmm.  This is important.  I have seen large variations in 
efficiency of transients, but I can't say that they were or were not 
because of the Qiagen preps.  I'll try to set up side-by-side assays and 
will report back.  
	Has anyone else done this, or have any comments?

	Ian

-- 
Ian York   (york at mbcrr.harvard.edu)
Dana-Farber Cancer Institute, 44 Binney St., Boston MA 02115
Phone (617)-632-4328     Fax  (617)-632-2627