Immunogen sequence: WTDKSSLFEE LQSLDIFLAE LYKHLDSSSN ERPDISSIQR RIKKVTHDMD MCYGMMGSLF RSGSRQTLFA SQVMRYADLY AASFINLLYY PFSYLFRAAH VLMPHESTVE HTHVDINEME SPLATRNRTS VDFKDTDYKR HQLTRSISEI KPPNLFPLAP QEITHCHDED DDEEEEEEEE; Positive Samples: U-87MG, HT-29, He