| Dong et al.15 - Hong Kong |
Study with endothelial cells from human or rat aorta |
Exposure of renal arteries to calcitriol or angiotensin II |
In vivo and in vitro activation of the vitamin D receptor with calcitriol improves endothelial function |
| Polidoro et al.14 - Italy |
In vitro study |
Administration of vitamin D to human umbilical vein endothelial cells |
Protection against oxidative stress, mediated by superoxide |
| Lee et al.16 - Republic of Korea |
In vivo with mice and in vitro with HK-2 cells |
Evaluation of renal inflammation and injury and the direct effect of paricalcitol on tubule cells |
Renoprotective effect in acute ischemic kidney injury |
| Takenaka et al.17 - Japan |
Experimental study with hypertensive rats |
Hypertensive, uninephrectomized rats, treated with vitamin D |
Improved expression of klotho and suppression of oxidative stress and albuminuria, without substantial changes to renal angiotensin II levels |
| Wong et al.6 - Germany |
In vivo and in vitro study |
Supplementation with vitamin D3 in healthy donors and mice |
Improved vascular regeneration after injury in healthy and diabetic individuals |
| Pilz et al.20 - Germany |
Randomized clinical trial, double-blind, placebo-controlled |
Supplementation with vitamin D3 for 8 weeks with 200 hypertensive participants with low 25-hydroxyvitamin D levels |
No significant beneficial effect of vitamin D3 on arterial blood pressure or other cardiovascular risk factors was observed, but it was associated with a significant increase in triglycerides |
| Carrara et al.18 - Italy |
Clinical case-control study |
Thirty-three patients with essential hypertension and hypovitaminosis D were treated with cholecalciferol for 8 weeks |
Restoration of normal vitamin D levels is capable of inhibiting the renin-angiotensin system and improving flow-mediated dilation |
| Borgi et al.19 - United States |
Randomized, double-blind, placebo-controlled, clinical trial |
Forty-six nonhypertensive, nondiabetic overweight, or obese individuals with vitamin D deficiency were given ergocalciferol or matching placebo for 8 weeks |
No improvement in endothelial function after vitamin D replacement |
| Arora et al.21 - United States |
Multicenter study, randomized, double-blind |
Vitamin D supplementation at high or low doses in 534 hypertensive or pre-hypertensive individuals with vitamin D deficiency, |
No significant reductions in mean 24-hour systolic pressure |
| Manson et al.22 - United States |
Randomized, placebo-controlled, clinical trial, |
Administration of vitamin D3 and marine omega 3 fatty acids to a total of 25,871 participants, for primary prevention of cancer and cardiovascular diseases |
Supplementation with vitamin D did not result in lower incidence of invasive cancer or cardiovascular events when compared with placebo |
| Barbarawi et al.23 - United States |
Meta-analysis of 21 randomized clinical trials |
Efficacy of supplementation with vitamin D for reduction of cardiovascular events and all-causes mortality, including 83,291 patients, 41,669 of whom were given vitamin D and 41,622 of whom were given placebos |
No significant reductions were observed in cardiovascular events, cerebrovascular events, or mortality |