FIGURE 6. Effect of perchlorate (ClO₄^-) on iodide transport in ¹³¹I-irradiated cultures. Perchlorate (1 mmol/L) was present in apical and basal media during exposure to ¹³¹I (corresponding to D_c = 30 Gy without perchlorate) for 48 h. ¹²⁵I transport was evaluated 3 d later. ¹³¹I-induced stunning of ¹²⁵I transport was 90% when perchlorate was not present during irradiation. Results are expressed as mean ± SEM (n = 3).

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