Abstract
ABSTRACTThe effects of different doses of potassium iodate (KIO3) on the malignancy of thyroid cancer were investigated. Results showed that the proliferation, migration, and invasion of SW579 thyroid cancer cells were improved by 10−6 M KIO3, which was associated with microRNA(miR)-146a deficit; 10−2 M KIO3 significantly enhanced miR-146a level and suppressed SW579 cell proliferation, migration, and invasion. The diverse effects of KIO3 on SW579 cells were associated with the expression changes in miR-146a targets, Bcl-2, Bax, and caspase-3. Our study concludes that different doses of KIO3 have counteracting effects on the malignancy of thyroid cancer through modulating miR-146a level.
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