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Dynamic subcellular localization of aquaporin-7 in white adipocytes.
- Source :
-
FEBS Letters . Feb2015, Vol. 589 Issue 5, p608-614. 7p. - Publication Year :
- 2015
-
Abstract
- Aquaporin-7 (AQP7) is expressed in adipose tissue, permeated by water and glycerol, and is involved in lipid metabolism. AQP7-null mice develop obesity, insulin resistance, and adipocyte hypertrophy. Here, we show that AQP7 is expressed in adipocyte plasma membranes, and is re-localized to intracellular membranes in response to catecholamine in mouse white adipose tissue. We found that internalization of AQP7 was induced by PKA activation and comparative gene identification 58 (CGI-58). This relocation was confirmed by functional studies in 3T3-L1 adipocytes. Collectively, these results suggest that AQP7 makes several contributions to adipocyte metabolism, in both cortical and intracellular membranes. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00145793
- Volume :
- 589
- Issue :
- 5
- Database :
- Academic Search Index
- Journal :
- FEBS Letters
- Publication Type :
- Academic Journal
- Accession number :
- 101016821
- Full Text :
- https://doi.org/10.1016/j.febslet.2015.01.025