Title : Aquaporin 3 colocates with phospholipase d2 in caveolin-rich membrane microdomains and is downregulated upon keratinocyte differentiation.

Pub. Date : 2003 Dec

PMID : 14675200






6 Functional Relationships(s)
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1 Aquaporin 3 is a channel that transports both water and glycerol. Glycerol aquaporin 3 Mus musculus
2 Aquaporin 3-deficient mice exhibit skin defects, including decreased glycerol content and impairment of water holding capacity, barrier recovery, and wound healing. Glycerol aquaporin 3 Mus musculus
3 Whether aquaporin 3 and its glycerol transporting capacity are involved in regulating keratinocyte function, we have previously shown that phospholipase D2 can metabolize phospholipids in the presence of glycerol to yield phosphatidylglycerol. Glycerol aquaporin 3 Mus musculus
4 In addition, aquaporin 3 expression was downregulated at the transcriptional level and glycerol uptake was reduced upon primary mouse keratinocytes to differentiation in response to an elevated extracellular calcium concentration or 1,25-dihydroxyvitamin D3. Glycerol aquaporin 3 Mus musculus
5 Our results suggest that aquaporin 3 and phospholipase D2 form a signaling module in lipid rafts, where aquaporin 3 transports glycerol to phospholipase D2 for the synthesis of phosphatidylglycerol. Glycerol aquaporin 3 Mus musculus
6 Our results suggest that aquaporin 3 and phospholipase D2 form a signaling module in lipid rafts, where aquaporin 3 transports glycerol to phospholipase D2 for the synthesis of phosphatidylglycerol. Glycerol aquaporin 3 Mus musculus