منابع مشابه
Sodium iodide symporter (NIS) and thyroid.
idase (TPO) and incorporation into tyrosyl residues along the thyroglobulin (Tg) backbone. The thyroid hormones T3 and T4 are synthesized by coupling of two iodotyrosine residues and stored in the colloid. All of these steps are stimulated by pituitary-derived thyroid stimulating hormone (TSH), which interacts with the TSH receptor at the basolateral membrane of thyroidal cells, through the cAM...
متن کاملThe sodium iodide symporter and thyroid disease.
The movement of a variety of species from the iodine-rich environment of the sea to the relatively iodine-deficient land has necessitated the development of mechanisms which will trap more efficiently inorganic iodide (I – ) necessary for the formation of thyroid hormones (Venturi et al. , 2000). In man as in other mammals iodide uptake by the thyroid is mediated via a TSHdependent transmembran...
متن کاملTransfer of the human NaI symporter gene enhances iodide uptake in hepatoma cells.
UNLABELLED The characteristic feature of thyroid cells of taking up iodide enables benign thyroid diseases and differentiated thyroid carcinoma to be successfully treated with radioiodide therapy. The transport of iodide across the cell membrane is mediated by the human NaI symporter (hNIS). We therefore investigated whether the accumulation of iodide may be induced by the retroviral transfer o...
متن کاملThe Thyroid Na+/I- Symporter: Molecular Characterization and Genomic Regulation
Iodide (I-) is an essential constituent of the thyroid hormones triiodothyronine (T3) and thyroxine (T4), and the iodide concentrating mechanism of the thyroid gland is essential for the synthesis of these hormones. In addition, differential uptake of iodine isotopes (radioiodine) is a key modality for the diagnosis and therapy of thyroid cancer. The sodium dependent iodide transport activity o...
متن کاملExpression and correlation of sodium/iodide symporter and thyroid stimulating hormone receptor in human thyroid carcinoma.
AIMS To investigate the expression of sodium/iodide symporter (NIS) and thyroid stimulating hormone receptor (TSHR) in human thyroid cancer. PATIENTS AND METHODS NIS and TSHR mRNA levels quantified by real-time PCR as well as NIS and TSHR proteins evaluated by immunohistochemistry were examined in surgical specimens including 38 benign nodules, 32 thyroid carcinomas and 36 normal thyroid samp...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1997
ISSN: 0021-9258
DOI: 10.1074/jbc.272.43.27230