期刊
CARDIOVASCULAR DRUGS AND THERAPY
卷 29, 期 2, 页码 111-120出版社
SPRINGER
DOI: 10.1007/s10557-015-6581-x
关键词
Curcumin; Heart remodeling; MAPK signaling; Mitochondrial function; Oxidative stress
资金
- CONACYT [177527, 167949, 220046, 181593]
- PAPIIT [IN210713]
The pathogenic mechanisms leading to cardiovascular disorders in patients with chronic kidney disease have not been clearly established, although increased oxidative stress has been pointed out as a potential cause. Therefore, as cardiovascular events are still the first cause of death in patients with chronic kidney disease and traditional drugs or therapies rarely have effects on cardiac complications, we sought to determine the effect of curcumin in treating cardiac dysfunction in rats with established chronic renal disease. Treatment consisted in daily administration of curcumin (120 mg/kg/day) dissolved in 0.05 % carboxymethylcellulose via oral gavages during 30 days, beginning from day 30 after 5/6 nephrectomy (5/6Nx). Cardiac function, markers of oxidative stress, activation of PI3K/Akt/GSK3 beta and MEK1/2-ERK1/2 pathway, metalloproteinase-II (MMP-2) content, overall gelatinolytic activity, ROS production and mitochondrial integrity were evaluated after 1-month treatment. Curcumin restored systolic blood pressure, diminished interventricular and rear wall thickening, decreased left ventricle dimension at end-systole (LVSd) and restored ejection fraction in nephrectomized rats. Also, it diminished metalloproteinase-II levels and overall gelatinase activity, decreased oxidative stress and inhibited the mitochondrial permeability transition pore opening. Our findings suggest that curcumin might have therapeutic potential in treatment of heart disease in patients with established CKD by attenuating oxidative stress-related events as cardiac remodeling, mitochondrial dysfunction and cell death.
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