Effect of Hydrocortisone on the Ability of Thyrotropin to Increase Deoxyribonucleic Acid Synthesis and Iodide Uptake in FRTL-5 Rat Thyroid Cells: Opposite Regulation of Adenosine 3\5'-Monophosphate Signal Action

In FRTL-5 rat thyroid cells, hydrocortisone alters two TSH-increased cAMP-mediated activities in an opposite manner. Thus, in a concentration-dependent fashi...