(h) Relative histone H3 Lys 18 acetylation of indicated promoter regions normalized to the acetylation of ATG7 promoter (pATG7) determined by chromatin immunoprecipitation with H3-K18Ac specific antibody and subsequent quantification of precipitated promoter DNA using quantitative real time PCR. Signals specific for indicated promoter regions were initially compared with non-immunoprecipitated samples and afterwards normalized to the pATG7 signals. Data represent means ± s.e.m. (n = 3). The P value was calculated using a two-factor ANOVA with promoter and condition (treated and non-treated) as independent factors. 