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Fig. 2 | Stem Cell Research & Therapy

Fig. 2

From: PARP1 inhibitor (PJ34) improves the function of aging-induced endothelial progenitor cells by preserving intracellular NAD+ levels and increasing SIRT1 activity

Fig. 2

Effects of H2O2 and PJ34 treatment on EPC protein expression. a, b Expression of sirtuin 1 (SIRT1), poly (ADP-ribose) polymerase 1 (PARP1), and poly ADP-ribose (PAR) as analyzed by Western blot. c, d Expression of PARP1, PAR, and acetylated (ac)-p53 as analyzed by Western blot. *P < 0.05, **P < 0.01, ***P < 0.001, versus the control

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