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. 2011 Feb 24;135(3):263–280. doi: 10.1007/s00418-011-0793-3

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© The Author(s) 2011

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Fig. 5 — a Immunolabeling indices (%) estimated for HeLa cells stained with anti-Chk1^S317 antibodies. Columns, mean from five independent experiments; bars, SD. * P = 0.009, compared with control (Mann–Whitney tests); ^# P = 0.009, compared with 2.5 mM HU (Mann–Whitney tests); ^& P = 0.03, compared with 2.5 mM HU (Mann–Whitney tests). b Quantification of anti-Chk1^S317 pixel intensity per cell. Columns, mean from at least 108 cells per sample taken from five independent experiments; bars, SD. * P < 0.01, compared with control (Mann–Whitney tests); ⁺ P < 0.001, compared with control (Mann–Whitney tests); ^# P < 0.01 compared with 2.5 mM HU (Mann–Whitney tests); ^& P = 0.000215, compared with 2.5 mM HU (Mann–Whitney tests); ^$ P = 0.000038 compared with 2.5 mM HU (Mann–Whitney tests)