RNA from Frozen Tissues

[Z.Huang]

I had ever successful extracted total RNA from frozen monkey intestine 
tissue(-70c) and brain tissues that stored for almost one year in 
freezer.

Huang Z.
Gut Hormone Lab
K.U.Leuven
Belgium
Fax: 32-16-345939

Mike Aebly wrote:
> 
> Hello,
>         A friend of mine has some frozen rat tissues and she would like to
> extract RNA from them.  How long may a tissue be frozen and still be "RNA-
> extractable"?  She heard up to one year, but wonders if this is true.  Her
> tissues are from heart, liver, lymph node, salivary gland, spleen and
> kidney.
> 
> Thank you very much for your help,
> Mike