Complement Components, C3 and C4, and the Metabolic Syndrome

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INTRODUCTION: Increased systemic inflammation plays a significant role in the development of adult cardiometabolic diseases such as insulin resistance, dyslipidemia, atherosclerosis, and hypertension. The complement system is a part of the innate immune system and plays a key role in the regulation of inflammation. Of particular importance is the activation of complement components C3 and C4. C3 is produced primarily by the liver but is also produced in adipocytes, macrophages and endothelial cells, all of which are present in adipose tissues. Dietary fat and chylomicrons stimulate C3 production. Adipocytes in addition to producing C3 also have receptors for activated C3 and other complement components and thus also respond to as well as produce a target for complement. C3adesArg, also known as acylation stimulation factor, increases adipocyte triglyceride synthesis and release. These physiological effects play a significant role in the development of metabolic syndrome. Epidemiologically, obese adults and non-obese adults with cardiometabolic disease who are not obese have been shown to have increased complement levels. C4 levels also correlate with body mass index. Genetically, specific C3 polymorphisms have been shown to predict future cardiovascular events and. D decreased C4 long gene copy number is associated with increased longevity.

CONCLUSION: Future research is clearly needed to clarify the role of complement in the development of cardiovascular disease and mechanisms for its action. The complement system may provide a new area for intervention in the prevention of cardiometabolic diseases.

Medienart:

E-Artikel

Erscheinungsjahr:

2019

Erschienen:

2019

Enthalten in:

Zur Gesamtaufnahme - volume:15

Enthalten in:

Current diabetes reviews - 15(2019), 1 vom: 16., Seite 44-48

Sprache:

Englisch

Beteiligte Personen:

Copenhaver, Melanie [VerfasserIn]
Yu, Chack-Yung [VerfasserIn]
Hoffman, Robert P [VerfasserIn]

Links:

Volltext

Themen:

Adipose
Complement
Complement C3
Complement C4
Inflammation
Insulin resistance
Journal Article
Metabolic syndrome
Obesity.
Review

Anmerkungen:

Date Completed 12.04.2019

Date Revised 31.05.2023

published: Print

Citation Status MEDLINE

doi:

10.2174/1573399814666180417122030

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM283122137