Vol 72, No 5 (2021)
Review paper
Published online: 2021-08-04

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Copeptin as a novel biomarker of cardiometabolic syndrome

Hanna Szmygin1, Joanna Szydełko1, Beata Matyjaszek-Matuszek1
Pubmed: 34378786
Endokrynol Pol 2021;72(5):566-571.


Arginine vasopressin (AVP), which is also called antidiuretic hormone (ADH), is a neurohormone synthetized from a pre-pro-hormone precursor in the supraoptic and paraventricular nuclei of the hypothalamus in response to increased plasma osmolality and decreased blood volume. AVP exerts several effects by binding to three different receptors: V1aR, V1bR, and V2R. In recent years, it has been suggested that increased plasma concentration of AVP may play a causal role in the development of type 2 diabetes, the metabolic syndrome, renal dysfunction and cardiovascular disease by influencing glucose homeostasis and lipid metabolism through several possible mechanisms involving V1aR and V1bR. V1aR located in the liver is involved in hepatic glycogenolysis and gluconeogenesis. V1bR, found in the pituitary gland and pancreas, mediates secretion of adrenocorticotrophic hormone (ACTH), insulin, and glucagon. However, AVP’s clinical use as a biomarker is limited due to its short half-life in plasma (16–20 minutes), small size, and poor stability, which make direct measurement difficult. Copeptin, the biologically inactive, stable, C-terminal part of pro-vasopressin, is co-secreted with AVP in equimolar amounts and thus is considered an adequate and clinically useful surrogate marker of AVP. The aim of this review is to assess the current state of knowledge about the potential role of copeptin as a novel biomarker of cardiometabolic syndrome on the basis of recent scientific literature published up to December 2020 and searches of the PubMed, Google Scholar, and Web of Science databases.

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