ICAM1 and thyroid gland undifferentiated (anaplastic) carcinoma: Different batches of AIC100 after a freeze-and-thaw cycle were then tested for cytotoxicity against 293T (ICAM-1 negative control), 8505C (anaplastic thyroid cancer (ATC); ~105 molecules per cell) and HeLa (cervical cancer cell; ~106 molecules per cell)8.