Immunogen sequence: KPQDLPSKSV DIEVDENGTL DLSMHKHRKR ENAFPSSSSC SSSPGVKSPD ASQRHSSTSA PSSSMTSPQS SQASRQDEWD RPLDYTKPSR LREEEPEESE PAAHSFASSE ADDQEVSEEN FEERKYPGEV TLTNFKLKFL SKDIKKELLT CPTPGCDGSG HITGNYASHR S; Positive Samples: U-87MG, U-251MG, Mouse liv