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Differential expression and accumulation of 14-3-3 paralogs in 3T3-L1 preadipocytes and differentiated cells.


ABSTRACT: The 14-3-3 protein family interacts with more than 2000 different proteins in mammals, as a result of its specific phospho-serine/phospho-threonine binding activity. Seven paralogs are strictly conserved in mammalian species. Here, we show that during adipogenic differentiation of 3T3-L1 preadipocytes, the level of each 14-3-3 protein paralog is regulated independently. For instance 14-3-3?, ?, and ? protein levels are increased compared to untreated cells. In contrast, 14-3-3? protein levels decreased after differentiation while others remained constant. In silico analysis of the promoter region of each gene showed differences that explain the results obtained at mRNA and protein levels.

SUBMITTER: Gojanovich AD 

PROVIDER: S-EPMC5613295 | BioStudies | 2016-01-01

REPOSITORIES: biostudies

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