PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12225967-8 2002 These results demonstrate that vas deferens epithelial cells possess the proteins necessary for the vectoral transport of HCO and that these mechanisms are maintained in primary culture. 7 alpha-hydroxy-4-cholesten-3-one 122-125 arginine vasopressin Rattus norvegicus 31-34