AQP8 (Aquaporin 8) is a Protein Coding gene. Among its related pathways are Aquaporin-mediated transport and Nanog in Mammalian ESC Pluripotency. Aquaporin 8 (AQP8) is a water channel protein. Aquaporins are a family of small integral membrane proteins related to the major intrinsic protein (MIP or AQP0). Aquaporin 8 mRNA is found in pancreas and colon but not other tissues.