Positive test controls include: SH-SY5Y, Mouse brain. Immunogen sequence: MDILCEENTS LSSTTNSLMQ LNDDTRLYSN DFNSGEANTS DAFNWTVDSE NRTNLSCEGC LSPSCLSLLH LQEKNWSALL TAVVIILTIA GNILVIMAVS. In platelets and gut, serotonin plays a major role in cardiovascular