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eISSN: 1643-3750

Vitamin D Deficiency Harms Patients with Coronary Heart Disease by Enhancing Inflammation

Yongxing Liu, Wanzhong Peng, Ya Li, Bingxun Wang, Jiancai Yu, Zesheng Xu

(2nd Department of Cardiology, Cangzhou Central Hospital, Cangzhou, Hebei, China (mainland))

Med Sci Monit 2018; 24:9376-9384

DOI: 10.12659/MSM.911615

Published: 2018-12-24


BACKGROUND: Vitamin D (VD) deficiency and local inflammation of plaque are potential new risk factors and prevention goals for coronary heart disease (CHD).
MATERIAL AND METHODS: This study included 135 CHD patients and 45 chest tightness or chest pain patients (control group). Basic clinical data and serum 25-OH-VD, TNF-α, IL-6, IL-8, and IL-1β of the 2 groups were compared by SPSS 25.0. A CHD rat model was used to explore the potential molecular mechanisms.
RESULTS: The serum 25-OH-VD level in the control group was significantly higher compared to the CHD group, and decreased with the worsening of the CHD condition. Logistic regression found that serum 25-OH-VD was a protective factor in the occurrence of CHD. In CHD patients, the level of serum 25-OH-VD had a negative correlation with serum TNF-α (r=–0.651, P<0.001), IL-6 (r=–0.457, P<0.001), IL-8 (r=–0.755, P<0.001), and IL-1β (r=–0.628, P<0.001). In animal experiments, VD deficiency enhanced the level of serum TC, TG, and LDL-C. VD deficiency could increase the inflammatory response by upregulating the expression of p65 protein and reducing SIRT1 protein expression in heart tissue, thereby inducing or aggravating the state of CHD.
CONCLUSIONS: Serum 25-OH-VD was a protective factor in the occurrence of CHD, and VD deficiency could induce or aggravate the state of CHD by enhancing inflammation through the NF-κB pathway.

Keywords: Coronary Disease, Inflammation, Vitamin D



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