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Handb Exp Pharmacol · Jan 2009
ReviewSkin aquaporins: function in hydration, wound healing, and skin epidermis homeostasis.
- Mathieu Boury-Jamot, Jean Daraspe, Frédéric Bonté, Eric Perrier, Sylvianne Schnebert, Marc Dumas, and Jean-Marc Verbavatz.
- IBITEC-S and CNRS URA 2096, CEA-Saclay F-91191 Gif-sur-Yvette and LRA17V, University Paris-Sud 11, Orsay, F-91400, France.
- Handb Exp Pharmacol. 2009 Jan 1(190):205-17.
AbstractSeveral aquaporins (AQPs) are expressed in mammalian skin. Some are directly involved in water transport, such as AQP5, which is involved in sweat secretion. In contrast, the physiological role of skin aquaglyceroporins, which permeate both water and glycerol, appears more and more complex. AQP3 is the most abundant skin aquaglyceroporin. Both water and glycerol transport by AQP3 appear to play an important role in hydration of mammalian skin epidermis. In addition, recent data suggest that glycerol transport by AQP3 is involved in the metabolism of lipids in skin as well as in the regulation of proliferation and differentiation of keratinocytes. Finally, AQP3 is also believed to be important in wound healing, as a water channel by facilitating cell migration, and as a glycerol transporter by enhancing keratinocyte proliferation and differentiation.
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