when human thyrocytes were cultured in rpmi-1640 medium containing 0.5 % fetal calf serum and tsh for 5-8 days , the cells incorporated 125i , synthesized de novo [ 125i ] iodotyrosines and [ 125i ] iodothyronines , and secreted [ 125i ] t4 and [ 125i ] t3 into the medium .
C0007634
cells
C1327616
secreted