Table 2

Cardiovascular phenotypes of DDR and DNA repair alterations in mouse models

ModelOrgan specificityCardiovascular stressCardiovascular phenotypeRef
PARP1 deficiencySystemicHFD and ApoE−/−Reduced atherosclerotic plaque formation and size69–72
I/RAttenuated myocardial injury, disrupted myocardial structure, mitochondrial dysfunction, MMP, and neutrophil infiltration73,74
HyperglycemiaReduced diabetic arteriosclerotic calcification, regulated synthetic phenotype switching of VSMC75
Ang II-induced cardiac hypertrophyAttenuated cardiac hypertrophy and interstitial fibrosis76
Ang II-induced AAADecreased AAA incidence, abdominal aortic diameter, and macrophage infiltration77
PARP2 deficiencySystemicDoxorubicinDecreased vascular damage and mitochondrial dysfunction78
ATM deficiencySystemicTACAttenuated LV dysfunction, improved mortality, and alleviated NF-κB-mediated inflammation29
MIAttenuated LV dysfunction, dilation and inflammation in early post-MI (1–7 days), exacerbated LV dysfunction, fibrosis, apoptosis, and cardiac hypertrophy in late post-MI (14–28 days)79–83
ApoE−/−Accelerated atherosclerosis and multiple features of metabolic syndrome84,85
HyperglycemiaAttenuated endothelial dysfunction and senescence induced by injection of STZ48
Cardiomyocyte-specificTACAttenuated cardiac hypertrophy21
Cardiac fibroblast-specificDoxorubicinAttenuated LV dysfunction, cardiac apoptosis and mortality52
DNA-PKcs deficiencyCardiacI/RReserved cardiac function, reduced myocardial injury, attenuated apoptosis and inflammation86
p53 deficiencyCardiacTACAttenuated cardiac hypertrophy, injury, and dysfunction87
SystemicMIReduced incidence of LV rupture post-MI88
BRCA1 deficiencyCardiomyocyte-specificMIIncreased mortality, exaggerated LV dilation, increased apoptosis, and impaired DSB repair9
NBS1 overexpressionVSMC-specificHFD and ApoE−/−Enhanced DSB repair, decreased apoptosis and growth arrest, increased fibrous cap area and plaque stability23
OGG1 deficiencySystemicWestern diet and Ldlr−/−Increased plaque size and lipid content, DNA damage, apoptosis, and inflammation31
ModelOrgan specificityCardiovascular stressCardiovascular phenotypeRef
PARP1 deficiencySystemicHFD and ApoE−/−Reduced atherosclerotic plaque formation and size69–72
I/RAttenuated myocardial injury, disrupted myocardial structure, mitochondrial dysfunction, MMP, and neutrophil infiltration73,74
HyperglycemiaReduced diabetic arteriosclerotic calcification, regulated synthetic phenotype switching of VSMC75
Ang II-induced cardiac hypertrophyAttenuated cardiac hypertrophy and interstitial fibrosis76
Ang II-induced AAADecreased AAA incidence, abdominal aortic diameter, and macrophage infiltration77
PARP2 deficiencySystemicDoxorubicinDecreased vascular damage and mitochondrial dysfunction78
ATM deficiencySystemicTACAttenuated LV dysfunction, improved mortality, and alleviated NF-κB-mediated inflammation29
MIAttenuated LV dysfunction, dilation and inflammation in early post-MI (1–7 days), exacerbated LV dysfunction, fibrosis, apoptosis, and cardiac hypertrophy in late post-MI (14–28 days)79–83
ApoE−/−Accelerated atherosclerosis and multiple features of metabolic syndrome84,85
HyperglycemiaAttenuated endothelial dysfunction and senescence induced by injection of STZ48
Cardiomyocyte-specificTACAttenuated cardiac hypertrophy21
Cardiac fibroblast-specificDoxorubicinAttenuated LV dysfunction, cardiac apoptosis and mortality52
DNA-PKcs deficiencyCardiacI/RReserved cardiac function, reduced myocardial injury, attenuated apoptosis and inflammation86
p53 deficiencyCardiacTACAttenuated cardiac hypertrophy, injury, and dysfunction87
SystemicMIReduced incidence of LV rupture post-MI88
BRCA1 deficiencyCardiomyocyte-specificMIIncreased mortality, exaggerated LV dilation, increased apoptosis, and impaired DSB repair9
NBS1 overexpressionVSMC-specificHFD and ApoE−/−Enhanced DSB repair, decreased apoptosis and growth arrest, increased fibrous cap area and plaque stability23
OGG1 deficiencySystemicWestern diet and Ldlr−/−Increased plaque size and lipid content, DNA damage, apoptosis, and inflammation31

AAA, abdominal aortic aneurysm; HFD, high-fat diet; STZ, streptozotocin; TAC, transverse aortic constriction.

Table 2

Cardiovascular phenotypes of DDR and DNA repair alterations in mouse models

ModelOrgan specificityCardiovascular stressCardiovascular phenotypeRef
PARP1 deficiencySystemicHFD and ApoE−/−Reduced atherosclerotic plaque formation and size69–72
I/RAttenuated myocardial injury, disrupted myocardial structure, mitochondrial dysfunction, MMP, and neutrophil infiltration73,74
HyperglycemiaReduced diabetic arteriosclerotic calcification, regulated synthetic phenotype switching of VSMC75
Ang II-induced cardiac hypertrophyAttenuated cardiac hypertrophy and interstitial fibrosis76
Ang II-induced AAADecreased AAA incidence, abdominal aortic diameter, and macrophage infiltration77
PARP2 deficiencySystemicDoxorubicinDecreased vascular damage and mitochondrial dysfunction78
ATM deficiencySystemicTACAttenuated LV dysfunction, improved mortality, and alleviated NF-κB-mediated inflammation29
MIAttenuated LV dysfunction, dilation and inflammation in early post-MI (1–7 days), exacerbated LV dysfunction, fibrosis, apoptosis, and cardiac hypertrophy in late post-MI (14–28 days)79–83
ApoE−/−Accelerated atherosclerosis and multiple features of metabolic syndrome84,85
HyperglycemiaAttenuated endothelial dysfunction and senescence induced by injection of STZ48
Cardiomyocyte-specificTACAttenuated cardiac hypertrophy21
Cardiac fibroblast-specificDoxorubicinAttenuated LV dysfunction, cardiac apoptosis and mortality52
DNA-PKcs deficiencyCardiacI/RReserved cardiac function, reduced myocardial injury, attenuated apoptosis and inflammation86
p53 deficiencyCardiacTACAttenuated cardiac hypertrophy, injury, and dysfunction87
SystemicMIReduced incidence of LV rupture post-MI88
BRCA1 deficiencyCardiomyocyte-specificMIIncreased mortality, exaggerated LV dilation, increased apoptosis, and impaired DSB repair9
NBS1 overexpressionVSMC-specificHFD and ApoE−/−Enhanced DSB repair, decreased apoptosis and growth arrest, increased fibrous cap area and plaque stability23
OGG1 deficiencySystemicWestern diet and Ldlr−/−Increased plaque size and lipid content, DNA damage, apoptosis, and inflammation31
ModelOrgan specificityCardiovascular stressCardiovascular phenotypeRef
PARP1 deficiencySystemicHFD and ApoE−/−Reduced atherosclerotic plaque formation and size69–72
I/RAttenuated myocardial injury, disrupted myocardial structure, mitochondrial dysfunction, MMP, and neutrophil infiltration73,74
HyperglycemiaReduced diabetic arteriosclerotic calcification, regulated synthetic phenotype switching of VSMC75
Ang II-induced cardiac hypertrophyAttenuated cardiac hypertrophy and interstitial fibrosis76
Ang II-induced AAADecreased AAA incidence, abdominal aortic diameter, and macrophage infiltration77
PARP2 deficiencySystemicDoxorubicinDecreased vascular damage and mitochondrial dysfunction78
ATM deficiencySystemicTACAttenuated LV dysfunction, improved mortality, and alleviated NF-κB-mediated inflammation29
MIAttenuated LV dysfunction, dilation and inflammation in early post-MI (1–7 days), exacerbated LV dysfunction, fibrosis, apoptosis, and cardiac hypertrophy in late post-MI (14–28 days)79–83
ApoE−/−Accelerated atherosclerosis and multiple features of metabolic syndrome84,85
HyperglycemiaAttenuated endothelial dysfunction and senescence induced by injection of STZ48
Cardiomyocyte-specificTACAttenuated cardiac hypertrophy21
Cardiac fibroblast-specificDoxorubicinAttenuated LV dysfunction, cardiac apoptosis and mortality52
DNA-PKcs deficiencyCardiacI/RReserved cardiac function, reduced myocardial injury, attenuated apoptosis and inflammation86
p53 deficiencyCardiacTACAttenuated cardiac hypertrophy, injury, and dysfunction87
SystemicMIReduced incidence of LV rupture post-MI88
BRCA1 deficiencyCardiomyocyte-specificMIIncreased mortality, exaggerated LV dilation, increased apoptosis, and impaired DSB repair9
NBS1 overexpressionVSMC-specificHFD and ApoE−/−Enhanced DSB repair, decreased apoptosis and growth arrest, increased fibrous cap area and plaque stability23
OGG1 deficiencySystemicWestern diet and Ldlr−/−Increased plaque size and lipid content, DNA damage, apoptosis, and inflammation31

AAA, abdominal aortic aneurysm; HFD, high-fat diet; STZ, streptozotocin; TAC, transverse aortic constriction.

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