Immunogen sequence: SEAILPIASS CCTEVSHHIS RRLLERVNMC RIQRADGDCD LAAVILHVKR RRICVSPHNH TVKQWMKVQA AKKNGKGNVC HRKKHHGKRN SNRAHQGKHE TYGHKTPY; Positive Samples: HT-29, Jurkat, BT-474. MEC is a secreted CC chemokine expressed primarily by epithelial cells of