PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11597198-5 2001 Since AQP3 is not only a water channels, but also permits the rapid passage of both urea and glycerol, while AQP9 also mediates the passage of carbamides, polyols, purines, and pyrimidines, we have speculated that these proteins could be involved in the transport of water and solutes from mother to fetus. polyol 155-162 aquaporin 3 (Gill blood group) Homo sapiens 6-10