These cells were thought to be "established from the malignant urinary bladder carcinoma of a 82-year-old Caucasian woman (stage pTa G1-G2) in 1992"; same donor as for cell line SBC-7; however, DNA fingerprinting and cytogenetic analysis at the Creative Bioarray established unequivocally that this cell line must be considered de facto a subclone of HELA