Borrelia burgdorferi has been found to have 16 protein structures that can cross react with thyroid proteins (5 proteins that cross-react with the TSH receptor antibodies, 2 that crossreact with Thyroglobulin antibodies, and 3 that crossreact with thyroid peroxidase antibodies (TPO antibodies), and 6 with the sodium iodide symporter). (thyroidpharmacist.com)
There is a good chance with Thyroid problems that you are Iodine deficient and / or you have problems with the Iodine symporters which uptake Iodine into the areas where its needed. (drrosedale.com)
Isolate 1 from Mouse 1 on Day 28 had a mutation in the lactose / melibiose: H + symporter, lacY (F27S), which is a missense mutation in the first transmembrane region (Guan et al, 2002). (msb.embopress.org)