The proliferation of FRTL-5 cells was assayed by ~3H-TdR, and the concentrations of thyroglobulin in culture were assayed by RIA.

• 五氯苯酚处理FRTL-5细胞24小时,用3H掺入法测其对FRTL-5细胞DNA合成的影响,放免法测其对培养液中甲状腺球蛋白浓度的影响;