Regarding the infectivity of naked DNA

[Patrick O'Neil]

On Mon, 22 May 1995, Pearse Ward wrote:

[...]
> expressing viral proteins, as opposed to say APC's taking up the DNA? I
> have seen several papers on the ability of muscle cells totake up naked
> DNA and express proteins encoded by it
[...]

Could you please post the reference(s) for muscle cell ability to take up 
extraneous, free DNA?  I'd like to read them to see the details.  

Thanks,

Patrick