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. 2009 Sep 28;206(10):2285–2297. doi: 10.1084/jem.20081940

Figure 6.

Figure 6.

RTCs restored ATM kinase activity in A-T fibroblast cells. GM02052 cells with a homozygous c.103C→T mutation (TGA G) were treated with RTC#13 and #14 for 4 d, and ATM kinase activity was assessed using FC-based SMC1-Ser966 phosphorylation and ATM-Ser1981 phosphorylation. All experiments were repeated three times. (a) Histograms of FC-SMC1-Ser966. (b) Cell population positive for ATM-Ser1981 staining. The dashed line indicates the basal ATM s1981 phosphorylation in the nontreated A-T cells after radiation (10 Gy). **, P < 0.01, as compared with untreated sample. Error bars indicate the variation of two independent experiments.