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The importance of sodium/iodide symporter (NIS) for thyroid cancer management

Carvalho, Denise P ; Ferreira, Andrea C F

Arquivos brasileiros de endocrinologia e metabologia, 2007-07, Vol.51 (5), p.672-682

Brazil: Sociedade Brasileira de Endocrinologia e Metabologia

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Título:
The importance of sodium/iodide symporter (NIS) for thyroid cancer management
Autor: Carvalho, Denise P ; Ferreira, Andrea C F
Assuntos: Adenocarcinoma, Follicular - metabolism ; Adenocarcinoma, Follicular - therapy ; Biological Transport ; Carcinoma, Papillary - metabolism ; Carcinoma, Papillary - therapy ; Cloning, Molecular ; Down-Regulation ; ENDOCRINOLOGY & METABOLISM ; Gene Expression ; Gene Transfer Techniques ; Genetic Therapy ; Humans ; Iodides - metabolism ; Iodine - metabolism ; Iodine Radioisotopes - therapeutic use ; Symporters - genetics ; Symporters - metabolism ; Thyroid Neoplasms - metabolism ; Thyroid Neoplasms - therapy ; Thyrotropin - physiology
É parte de: Arquivos brasileiros de endocrinologia e metabologia, 2007-07, Vol.51 (5), p.672-682
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-3
content type line 23
ObjectType-Review-1
Descrição: The thyroid gland has the ability to uptake and concentrate iodide, which is a fundamental step in thyroid hormone biosynthesis. Radioiodine has been used as a diagnostic and therapeutic tool for several years. However, the studies related to the mechanisms of iodide transport were only possible after the cloning of the gene that encodes the sodium/iodide symporter (NIS). The studies about the regulation of NIS expression and the possibility of gene therapy with the aim of transferring NIS gene to cells that normally do not express the symporter have also become possible. In the majority of hypofunctioning thyroid nodules, both benign and malignant, NIS gene expression is maintained, but NIS protein is retained in the intracellular compartment. The expression of NIS in non-thyroid tumoral cells in vivo has been possible through the transfer of NIS gene under the control of tissue-specific promoters. Apart from its therapeutic use, NIS has also been used for the localization of metastases by scintigraphy or PET-scan with 124I. In conclusion, NIS gene cloning led to an important development in the field of thyroid pathophysiology, and has also been fundamental to extend the use of radioiodine for the management of non-thyroid tumors.
Editor: Brazil: Sociedade Brasileira de Endocrinologia e Metabologia
Idioma: Inglês;Português

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The importance of sodium/iodide symporter (NIS) for thyroid cancer management

Carvalho, Denise P ; Ferreira, Andrea C F

Brazil: Sociedade Brasileira de Endocrinologia e Metabologia

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