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XB-ART-1908
Ann N Y Acad Sci 2005 Apr 01;1040:483-5. doi: 10.1196/annals.1327.097.
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Immunocytochemical and phylogenetic distribution of aquaporins in the frog ventral skin and urinary bladder.

Tanaka S, Hasegawa T, Tanii H, Suzuki M.


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We recently cloned three cDNAs encoding frog aquaporin (AQP-h1, BAC07470; AQP-h2, BAC82379; and AQP-h3, BAC07471) from the ventral pelvic skin of the tree frog, Hyla japonica. The present study demonstrated that Hyla AQP-h2 was translocated from cytoplasmic pools to the apical plasma membranes of the granular cells in the bladder after antidiuretic hormone stimulation and that Hyla AQP-h2 and AQP-h3 behaved similarly in the ventral pelvic skin. Further, we found that terrestrial and tree frogs, but not aquatic and semiterrestrial-adapted frogs, absorbed water from their ventral pelvic skin by AQP-h3-like protein in concert with AQP-h2-like protein.

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Species referenced: Xenopus laevis
Genes referenced: hes4