PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1839137-2 1991 Agents that have high and selective affinity for the 5-HT1A site such as 8-hydroxy-2-(di-n-propylamino)tetralin (8-OH-DPAT) and N,N-dipropyl-5-carboxamidotryptamine (DP5CT) inhibited the responses to field stimulation in guinea-pig ileum preparations; the inhibitory effects were antagonized by methiothepin and spiperone, consistent with effects at the 5-HT1A site. Spiperone 312-321 5-hydroxytryptamine receptor 1A Cavia porcellus 53-59