Table 2.
Cardioprotective effect and mechanism of action of curcumin in preclinical studies.
Target HDAC or HAT | Molecular pathway | Experimental model | Cardiovascular effect | Reference |
---|---|---|---|---|
↑ Sirt1 | ↓ TGF-β, Col III, Col I | TAC induced myocardial infraction In vivo Ang II-Induced hypertrophy In vitro |
↓ infract area ↓ fibrosis ↓ hypertrophy |
[77] |
↑ Sirt1 | ↑ SOD ↑ Bcl2, ↓ Bax |
Isolated ischemia-reperfusion model Ex vivo TAC induced myocardial infraction In vivo Simulated ischemia-reperfusion model In vitro |
Improved post-ischemic cardiac function ↓ myocardial infract size ↓ apoptotic index ↓ oxidative stress Preserved serum CK activity ↓ LDH serum levels |
[42] |
↑ Sirt1 | ↑ eNOS ↓ p21 |
H2O2-induced endothelial premature senescence In vitro |
↓ premature senescence ↓ oxidative stress ↓ apoptosis Preverved NO synthesis |
[79] |
↑ Sirt1 | ↑ AMPKα ↑ LXR-α ↑ ATP binding cassette transporter 1 |
Atherogenic model In vitro |
Antiatherogenic ↓ cellular cholesterol ↑ cholesterol efflux from THP-1 |
[78] |
↓ p300-HAT | ↓ acetylation of histones 3 and 4 | LPS-induced cardiac hypertrophy In vivo |
↓ cardiac hypertrophy | [83] |
↓ p300-HAT | ↓ TGF-β/Smad2 | High glucose-induced cardiac hypertrophy In vitro Streptozotocin-induced cardiac dysfunction In vivo |
↓ cardiac hypertrophy ↓ extracellular matrix production ↑ diastolic function |
[81] |
↓ p300-HAT | ↓ GATA4 ↓ NF-κB ↓ acetylation of histones 3 and 4 |
TAC induced myocardial Infraction In vivo PE-induced hypertrophy In vitro |
↓ LV wall thickness Preserved systolic function ↓ hypertrophy |
[77] |
↓ p300-HAT | ↓ Ac-p53 ↓ ANF, β-MHC ↓ Bax, Cyt c, caspase 3, and PARP |
TAC induced myocardial Infraction In vivo Ang II-Induced hypertrophy In vitro |
↓ hypertrophy ↓ apoptosis |
[80] |
↓ p300-HAT | ↓ GATA4 ↓ p53 |
Hypoxia-induced hypertrophy model In vitro |
Stabilized mitochondrial membrane potential Restored lactate, acetyl-coA pyruvate, and glucose levels |
[82] |
AMPK: adenosine monophosphate-activated kinase; ANF: atrial natriuretic factor; Ang II: angiotensin II; B-MHC: myosin heavy chain B; CK: creatine kinase; Cyt-c: cytochrome c; EF: ejection fraction; eNOS: endothelial nitrix oxide synthase; LDH: lactate dehydrogenase; LXR-α: liver X receptor α; LV: left ventricular; NE: norepinephrine; PAI-I: plasminogen activator inhibitor 1; PARP: poly(ADP-ribose) polymerase; PGC1-α: peroxisome proliferator activator of transcription (PPARy) coactivator 1α; PE: phenylephrine TAC: transverse aortic constriction; SOD: superoxide dismutase.