Pathogenesis of toxic thyroid adenomas and nodules: relevance of activating mutations in the TSH-receptor and Gs-alpha gene, the possible role of iodine deficiency and secondary and TSH-independent molecular mechanisms.

Abstract excerpt

In iodine deficiency areas, activating mutations in the TSH receptor and Gs-alpha gene are found in the majority of toxic thyroid adenomas and in some toxic goiter nodules. Since TSH receptor and Gs-alpha gene mutations are very rare in areas with high iodine supply, iodine deficiency has been suspected to favor the occurrence of these mutations by yet unknown pathways. However, TSH receptor and Gs-alpha gene...

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