Immunogen sequence: KLARCEGLAG GKARGAGATG KDTMGDLPRD PGHVVEQLSR SLQTLKDRLE SLEHQLRANV SNAGLPGDFR EVLQQRLGEL ERQLLRKVAE LEDEKSLLHN ETSAHRQKTE STLNALLQRV TELERGNSAF KSPDAFKVSL PLRTNYLYGK I; Positive Samples: SH-SY5Y, BxPC-3, LO2. Neuronal pentraxin (NPTX)