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Copeptin, a surrogate marker for arginine vasopressin secretion, is associated with higher glucose and insulin concentrations but not higher blood pressure in obese men

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AIM: To explore the putative associations of plasma copeptin, the C-terminal portion of provasopressin and a surrogate marker for arginine vasopressin secretion, with obesity-related health problems, such as hyperlipidaemia, hyperinsulinaemia, hyperglycaemia, high blood pressure and an android fat distribution.

METHODS: In 103 obese men (mean age ± standard deviation: 49.4 ± 10.2 years) and 27 normal weight control men (mean age: 51.5 ± 8.4 years), taking no medication, we measured 24-h ambulatory blood pressure, fasting blood concentrations of copeptin, lipids, glucose and insulin, and determined body composition by dual energy X-ray absorptiometry scanning.

RESULTS: The obese men had higher [median (interquartile range)] plasma copeptin concentrations [6.6 (4.6-9.5) vs. 4.9 (3.5-6.8) pmol/l, P = 0.040] compared with the normal weight men. In the obese men, plasma copeptin was not related to 24-h systolic blood pressure (r = 0.11, P = 0.29), 24-h diastolic blood pressure (r = 0.11, P = 0.28), BMI (r = 0.09, P = 0.37), total body fatness percentage (r = 0.10, P = 0.33), android fat mass percentage (r = 0.04, P = 0.66) or serum triglyceride concentrations (r = 0.04; P = 0.68). In contrast, plasma copeptin was associated with higher serum insulin concentrations (r = 0.26, P = 0.0085) and insulin resistance as assessed by the homeostasis assessment model (r = 0.28, P = 0.0051).

CONCLUSIONS: Plasma copeptin, a surrogate marker for arginine vasopressin secretion, is higher in obese men compared with normal weight men, and is associated with abnormalities in glucose and insulin metabolism, but not with higher blood pressure or an android fat distribution in obese men.

Original languageEnglish
JournalDiabetic Medicine
Volume31
Issue number6
Pages (from-to)728-32
Number of pages5
ISSN0742-3071
DOIs
StatePublished - Jun 2014

Bibliographical note

C. L. Asferg1,*, U. B. Andersen1, A. Linneberg2,3, J. P. Goetze3,4 andJ. L. Jeppesen3,5
Article first published online: 6 MAR 2014

DOI: 10.1111/dme.12411

© 2014 The Authors. Diabetic Medicine © 2014 Diabetes UK
Issue Diabetic Medicine
Diabetic Medicine
Volume 31, Issue 6, pages 728–732, June 2014
Article has an altmetric score of 1

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Author Information
1Department of Diagnostics
2Research Centre for Prevention and Health, Copenhagen University Hospital Glostrup, Glostrup
3Faculty of Health Sciences, University of Copenhagen
4Department of Clinical Biochemistry, Rigshospitalet, Copenhagen University Hospital, Copenhagen
5Department of Medicine, Copenhagen University Hospital Glostrup, Glostrup, Denmark
*Correspondence to: Camilla L. Asferg. E-mail: caluas03@glo.regionh.dk


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