Western blot analysis was performed as described11 (link) with nitrocellulose membranes probed for p16 (m156, 1:1000, Santa Cruz Biotechnology, Santa Cruz, CA, USA), phosphorylated p53 (9284, 1:2000, Cell Signaling, Danvers, MA, USA), total p53 (CM5, 1:2000, Leika, Biosystems, Richmond, IL, USA), phospho-histone γ-H2AX (1:1000, Upstate, Cell Signaling Solutions, Temecula, CA, USA), p19ARF (sc-32748, 1:500, Santa Cruz Biotechnology), TUBA1B (DM 1A, 1:2500, Sigma-Aldrich Chemical Company, St Louis, MO, USA), GAPDH (8884, 1:10000, Cell Signaling) and/or ACTB (A5060, 1:1000, Sigma-Aldrich Chemical Company).
Free full text: Click here