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. Author manuscript; available in PMC: 2011 Mar 5.
Published in final edited form as: Biochem Biophys Res Commun. 2010 Feb 2;393(2):286–290. doi: 10.1016/j.bbrc.2010.01.123

Fig. 3.

Fig. 3

Iodide suppression of DNA binding of nuclear protein to the NIS promoter in FRTL-5 thyroid cells. (A) The effect of iodide on DNA binding activity in the NIS 5’-flanking region was assessed by electrophoretic gel mobility shift analysis (EMSA). In (A), a solid arrow identifies a complex increased by thyrotropin (TSH), but decreased by sodium iodide (NaI). In (B), an open arrow identifies a complex decreased by NaI in the absence of TSH.

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