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. 2008 Apr 1;99(5):973–978. doi: 10.1111/j.1349-7006.2008.00759.x

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© 2008 Japanese Cancer Association

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Relative γH2AX intensity. Polymerase‐β (Polβ)^+/+ and Polβ^−/– mouse embryonic fibroblasts (MEF) were heated (45.5°C, 20 min) at 12 h after a preheating exposure (45.5°C, 5 min) with or without KNK437. () Polβ^+/+ MEF. () Polβ^−/– MEF.

Inline graphic — Relative γH2AX intensity. Polymerase‐β (Polβ)^+/+ and Polβ^−/– mouse embryonic fibroblasts (MEF) were heated (45.5°C, 20 min) at 12 h after a preheating exposure (45.5°C, 5 min) with or without KNK437. () Polβ^+/+ MEF. () Polβ^−/– MEF.