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. 2008 Oct 17;283(42):28729–28740. doi: 10.1074/jbc.M802751200

FIGURE 5.

FIGURE 5.

Shown are 4pX-1 (A) and 4pX-1-gemininkd (D) cells synchronized in G1/S by the double thymidine block, immunostained for BrdUrd (BrdU) incorporation (green) and phospho-H3 (red) in the indicated time course after release from the block with (+) or without (-) pX expression. pX expression was initiated by tetracycline removal 10 h before release from the second block and continued for the indicated time course. BrdUrd was added 30 min before fixation. B, confocal microscopy of BrdUrd-positive and phospho-H3-positive cells from the 10.5-h time point with pX expression. C and E, 4pX-1 (C) and 4pX-1-gemininkd (E) cells, quantification of three independent experiments of BrdUrd-positive (green) and phospho-H3-positive (red) cells by ImageJ software, counting at least 1000 cells for each histogram.