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Figure 5 | BMC Molecular Biology

Figure 5

From: Loss of CARM1 is linked to reduced HuR function in replicative senescence

Figure 5

Knockdown of CARM1 reduces the levels of HuR target mRNAs and accelerates cell senescence. (A) Human diploid fibroblasts (2BS) were stably transfected with a vector expressing CARM1 shRNA or control shRNA. The levels of CARM1, cyclin A, cyclin B1, c-fos, SIRT1, p16, and GAPDH were assessed by Western blotting and the signals quantified by densitometry. (B, C) Cells described in Figure 5A were subjected to FACS analysis (B) and SA-β-gal staining (C) to assess the cell cycle distribution and senescent status. The SA-β-gal staining was represented as means ± SDs from three independent experiments. The statistic significance was analyzed by Student’s t test.

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