Title : Hypotonicity reduces the activity of murine aquaporin-2 promoter induced by dibutyryl cAMP.

Pub. Date : 2008 Oct

PMID : 18515471






4 Functional Relationships(s)
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1 Hypotonicity reduces the activity of murine aquaporin-2 promoter induced by dibutyryl cAMP. Bucladesine aquaporin 2 Mus musculus
2 When the cells were co-transfected with the construct containing more than 1.1 kb of the 5"-flanking region of murine AQP-2 gene (-9.5AQP2, -6.1AQP2 and -1.1AQP2) and the AQP-2 gene, 24 h exposure to 5 micromol l(-1) dibutyryl cAMP (DBcAMP) significantly increased the Luc activity by 2.3-fold in the isotonic medium (300 mosmol kg(-1)). Cyclic AMP aquaporin 2 Mus musculus
3 When the cells were co-transfected with the construct containing more than 1.1 kb of the 5"-flanking region of murine AQP-2 gene (-9.5AQP2, -6.1AQP2 and -1.1AQP2) and the AQP-2 gene, 24 h exposure to 5 micromol l(-1) dibutyryl cAMP (DBcAMP) significantly increased the Luc activity by 2.3-fold in the isotonic medium (300 mosmol kg(-1)). Bucladesine aquaporin 2 Mus musculus
4 These findings may indicate that hypotonicity reduces the cAMP-induced AQP-2 promoter activity mediated via TonE by activating JNK kinase. Cyclic AMP aquaporin 2 Mus musculus