DDR	DNA damage response
Doxo	Doxorubicin
Erk1,2	Extracellular signal-regulated kinase 1, 2
γH2AX	S139 phosphorylated histone H2AX
HGF	Hepatocyte growth factor
JNJ	JNJ-38877606
PD	PD98059
RISK pathway	Reperfusion injury salvage kinase pathway
ROS	Reactive oxygen species
Stat3	Signal transducer and activator of transcription 3
Timp1	Tissue inhibitor of metalloproteinases-1