Article ID Journal Published Year Pages File Type
1946061 Biochimica et Biophysica Acta (BBA) - Biomembranes 2006 6 Pages PDF
Abstract

The regulation of AVP-induced AQP2 expression was investigated in the present study. AVP administration induced AQP2 expression in a dose-dependent manner in association with an increase in intracellular cAMP concentration. PKA activity was stimulated by AVP but PKA inhibitors did not block the upregulation of AQP2 expression. However, AVP also activated both ERK and CREB pathways, and ERK inhibitor attenuated the upregulation of AQP2 expression. These results therefore indicate that the effect of AVP stimulation to upregulate AQP2 expression involves a PKA-independent pathway.

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