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. 2016 Jul 19;38(3):803–811. doi: 10.3892/ijmm.2016.2685

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Copyright: © Li et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Overexpression and downregulation of ubiquitin-specific protease 4 (USP4) influences the protein expression levels in the programmed cell death 4 (PDCD4) pathway. (A) The expression levels of PDCD4 target proteins [u-PAR, mitogen-activated protein kinase kinase kinase kinase 1 (MAP4K1) and c-Jun] were measured by western blot analysis in BT549 USP4-overexpressing cells and control cells. (B) The expression levels of PDCD4 target proteins (u-PAR, MAP4K1 and c-Jun) were measured by western blot analysis in MCF7 cells in which USP4 was silenced.