PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11826172-12 2002 These results indicate that AVP, via the V2 receptor, triggers a calcium signalling cascade observed as [Ca2+]i oscillations in the IMCD and that intracellular Ca2+ mobilization is required for exocytotic insertion of aquaporin-2. Calcium 65-72 arginine vasopressin Rattus norvegicus 28-31