Hi,

At our department we store our biobanks for genomics and proteomics at -80C. For these purposes, is -20C not good enough for the long-term storage. The tumor material is, whenever possible, stored as histology and -80C preparations.

You may find these links interesting:

http://genomemedicine.com/content/2/10/72

http://ije.oxfordjournals.org/content/37/2/234.full

http://www.ncbi.nlm.nih.gov/pubmed/23386926

I hope this answers your question.

Good luck,

Rute

Thanks dear Rute Barbosa Marques