Immunoblots using an anti-ODC antibody showed that protein levels of ODC, spermidine/spermine N1-acetyltransferase (SAT1), and PAOX were high in CSCs in cervical cancer and osteosarcoma cell lines (see chemistry in Fig. 1b and results in Fig. 1c, S1a). Here, PAOX is linked to cervical carcinoma.