- Common allelic variants of exons 10, 12, and 33 of the thyroglobulin gene are not associated with autoimmune thyroid disease in the United Kingdom. Collins, J.E., Heward, J.M., Howson, J.M., Foxall, H., Carr-Smith, J., Franklyn, J.A., Gough, S.C. J. Clin. Endocrinol. Metab. (2004)