It's rather an old post but the paper describes what effect the DI01 mutation has on thyroid hormone levels and goes a little into combination therapy. Useful for those having the mutation to educate their GP when treatment is needed .
J Clin Endocrin Metab.
First published ahead of print May 20, 2008 as doi:10.1210/jc.2008-0397
A Common variation in Deiodinase 1 gene DIO1is associated with the relative levels of free thyroxine and triidothyronine.
Vijay Panicker, Christie Cluet, Beverley Shields, Anna Murray. Colin Dayan, Bjay Vaiya et al