Journal
MEDICINA-LITHUANIA
Volume 59, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/medicina59030561
Keywords
endothelial dysfunction; exosomes; hyperinsulinemia; hyperglycemia; hyperlipidemia; hypertension; insulin resistance; leptin resistance; metainflammation; miRNAs
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Metabolic syndrome (MetS) is a global metabolic disorder that is increasing in prevalence and is closely linked to the increasing rates of obesity. It consists of a cluster of risk factors, including obesity, hyperlipidemia, hyperinsulinemia, hypertension, and hyperglycemia. These risk factors are associated with insulin resistance (IR) and are known to increase the risk for developing cerebrocardiovascular disease and type 2 diabetes mellitus. Despite name changes and the addition of new variables over the years, MetS has remained as the recognized term for this syndrome worldwide for the past three decades.
Metabolic syndrome (MetS) is considered a metabolic disorder that has been steadily increasing globally and seems to parallel the increasing prevalence of obesity. It consists of a cluster of risk factors which traditionally includes obesity and hyperlipidemia, hyperinsulinemia, hypertension, and hyperglycemia. These four core risk factors are associated with insulin resistance (IR) and, importantly, the MetS is known to increase the risk for developing cerebrocardiovascular disease and type 2 diabetes mellitus. The MetS had its early origins in IR and syndrome X. It has undergone numerous name changes, with additional risk factors and variables being added over the years; however, it has remained as the MetS worldwide for the past three decades. This overview continues to add novel insights to the MetS and suggests that leptin resistance with hyperleptinemia, aberrant mitochondrial stress and reactive oxygen species (ROS), impaired folate-mediated one-carbon metabolism with hyperhomocysteinemia, vascular stiffening, microalbuminuria, and visceral adipose tissues extracellular vesicle exosomes be added to the list of associated variables. Notably, the role of a dysfunctional and activated endothelium and deficient nitric oxide bioavailability along with a dysfunctional and attenuated endothelial glycocalyx, vascular inflammation, systemic metainflammation, and the important role of ROS and reactive species interactome are discussed. With new insights and knowledge regarding the MetS comes the possibility of new findings through further research.
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