PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24068759-5 2014 In contrast, when we applied exogenous 5-HTP (in vitro or in vivo), AADC-containing vessels and neurons synthesized 5-HT, which contributed to increased motoneuron activity and muscle spasms (long-lasting reflexes, LLRs), by acting on 5-HT2 receptors (SB206553 sensitive) located on motoneurons (TTX resistant). SB 206553 252-260 dopa decarboxylase Rattus norvegicus 68-72