Article
Hypothyroidism in a Brazilian kindred due to iodide trapping defect caused by a homozygous mutation in the sodium/iodide symporter gene.
Biochemical and biophysical research communications - 17 Nov 1997
Pohlenz J, Medeiros-Neto G, Gross J L, Silveiro S P, Knobel M, Refetoff S
Abstract excerpt
A 36 year old man with a large goiter was suspected of having iodide (I-) transport defect based on low thyroidal and salivary gland radioiodide uptake. Thyroid surgery was performed, because thyroid cytology could not exclude a malignancy. Sequencing of the entire Na+/I- symporter (NIS) cDNA derived from thyroidal mRNA revealed a homozygous substitution of the normal cytosine in nucleotide (nt) 1163 with an...
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