Aquaporin-7

Definition:

Forms a channel that mediates water and glycerol transport across cell membranes at neutral pH. The channel is also permeable to urea. Plays an important role in body energy homeostasis under conditions that promote lipid catabolism, giving rise to glycerol and free fatty acids. Mediates glycerol export from adipocytes. After release into the blood stream, glycerol is used for gluconeogenesis in the liver to maintain normal blood glucose levels and prevent fasting hypoglycemia. Required for normal glycerol reabsorption in the kidney (By similarity).

References:

[1]. Andreia F Mósca, et al. Molecular Basis of Aquaporin-7 Permeability Regulation by pH. Cells. 2018 Nov 10;7(11):207. [Content Brief]

[2]. Kamil Gotfryd, et al. Human adipose glycerol flux is regulated by a pH gate in AQP10. Nat Commun. 2018 Nov 12;9(1):4749. [Content Brief]

[3]. Hidehiko Kondo, et al. Human aquaporin adipose (AQPap) gene. Genomic structure, promoter analysis and functional mutation. Eur J Biochem. 2002 Apr;269(7):1814-26. [Content Brief]

[4]. H Kuriyama, et al. Molecular cloning and expression of a novel human aquaporin from adipose tissue with glycerol permeability. Biochem Biophys Res Commun. 1997 Dec 8;241(1):53-8. [Content Brief]

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