STEAP1 and neoplasm: Tumor uptakes of 125I-ADC at 72 h were relatively flat at 3.4 ± 0.8, 3.7 ± 0.5, 3.6 ± 0.4, and 2.9 ± 0.5 with 0, 0.5, 1, and 3 mg/kg anti-TENB2 predoses, respectively, and 3.8 ± 1.0%ID/g with a 3 mg/kg anti-STEAP1 predose.