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Obesity, cardiovascular disease, and role of vitamin C on inflammation: a review of facts and underlying mechanisms

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Abstract

Obesity means the accumulation of excessive fat that may interfere with the maintenance of optimal state of health. Obesity causes cardiac and vascular disease through well-known mediators such as hypertension, type-2 diabetes mellitus, and dyslipidemia, but there are evidences for other mediators such as chronic inflammation, oxidative stress, and thrombosis. The decreased levels of antioxidants factors and nitric oxide predispose to further cardiovascular adverse events. To reduce the risks, antioxidants can help by neutralizing the free radicals and protecting from damage by donating electrons. Having the capacity, vitamin C protects from oxidative stress, prevention of non-enzymatic glycosylation of proteins, and enhances arterial dilation through its effect on nitric oxide release. It also decreases lipid peroxidation, and alleviates inflammation. The anti-inflammatory property of vitamin C could be attributed to ability to modulate the NF-kB DNA binding activity and down-regulation in the hepatic mRNA expression for the interleukins and tumor factors.

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Abbreviations

BMI:

Body mass index

BP:

Blood pressure

CHD:

Coronary heart disease

CRP:

C reactive protein

CVD:

Cardiovascular disease

DBP:

Diastolic blood pressure

FBG:

Fasting blood glucose

FFAs:

Free fatty acids

HDL:

High density lipoprotein

HT:

Hypertension

IGT:

Impaired glucose tolerance

IL:

Interleukin

LDL:

Low density lipoprotein

MCP-1:

Macrophage chemoattractant protein-1

MDA:

Malondialdehyde

MI:

Myocardial infarction

NF-kB:

Nuclear factor kB

NHANES:

National Health and Nutrition Examination Survey

NO:

Nitric oxide

PAI-1:

Plasminogen activator inhibitor-1

RCT:

Randomized controlled trial

ROS:

Reactive oxygen species

SBP:

Systolic blood pressure

SNPs:

Single-nucleotide polymorphisms

T2DM:

Type-2 diabetes mellitus

TC:

Total cholesterol

TG:

Triglyceride

TNF-α:

Tumor necrosis factor alpha

WC:

Waist circumference

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Correspondence to Mohammed S. Ellulu.

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There are no significant competing professional or personal interests that might influence the performance or presentation of the work described in this manuscript.

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Ellulu, M.S. Obesity, cardiovascular disease, and role of vitamin C on inflammation: a review of facts and underlying mechanisms. Inflammopharmacol 25, 313–328 (2017). https://doi.org/10.1007/s10787-017-0314-7

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  • DOI: https://doi.org/10.1007/s10787-017-0314-7

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