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. 2014 Jan 2;10(1):e1004004. doi: 10.1371/journal.pgen.1004004

Figure 3. Testing Gwl and Ensa/ARPP19 phosphorylation in the G2/M switch.

Figure 3

(A) Experimental protocol: DT40 cdk1as cells are blocked in G2 phase by 1NMPP1. Mitosis is triggered either by removing 1NMPP1 from the media, or by treating the cells with 1 µM OA. (B) Immuno-fluorescence analysis of cdk1as cells before (0) and 5 minutes after (5) release from G2 by 1NMPP1 removal using DAPI and the indicated antibodies. (C) Immuno-fluorescence analysis of mitotic entry in 1NMPP1 arrested cdk1as cells at indicated timepoints after treatment with 1 µM OA. (D) Immuno-blot analysis of 1NMPP1 treated cdk1as cell extracts taken at indicated timepoints following OA treatment, or from cells treated with both 1 µM OA and 10 µM TC.