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Cortisol and the metabolic syndrome in South Asians

Ward, Alexandra M.V., Fall, Caroline H.D., Stein, Claudia E., Kumaran, K., Veena, S.R., Wood, Peter J., Syddall, Holly E. and Phillips, David I.W. (2003) Cortisol and the metabolic syndrome in South Asians Clinical Endocrinology, 58, (4), pp. 500-505. (doi:10.1046/j.1365-2265.2003.01750.x).

Record type: Article

Abstract

Objective: The cardiovascular risk factors which comprise the metabolic syndrome are associated with increased hypothalamic–pituitary–adrenal axis (HPAA) activity in some Caucasian populations. South Asians have high rates of cardiovascular disease and its risk factors. We have investigated the relationships between HPAA activity, adiposity and the metabolic syndrome in a South Asian population.
Design: Cross-sectional cohort study.
Participants: A total of 509 men and women born at the Holdsworth Memorial Hospital, Mysore, South India between 1934 and 1954 and still living in the area.
Measurements: Fasting 09·00 h cortisol and corticosteroid-binding globulin. The cohort had previously been investigated for features of the metabolic syndrome.
Results: At 09·00 h, cortisol concentration was strongly associated with systolic and diastolic blood pressure (r = 0·25 and r = 0·24, respectively; P < 0·001), fasting glucose concentration (r = 0·26; P < 0·001), insulin resistance (r = 0·20; P < 0·001) and fasting triglyceride concentration (r = 0·17; P < 0·001). In general, higher cortisol concentrations added to the effect of adiposity in increasing cardiovascular risk factors, but there was evidence of an interaction between cortisol and adiposity in determining fasting glucose concentration (P = 0·045) and insulin resistance (P = 0·006).
Conclusions: Associations between 09·00 h cortisol concentration and cardiovascular risk factors in this South Asian cohort were stronger than those previously shown in Caucasian populations, despite similar mean cortisol concentrations, and were amplified by adiposity. This suggests that increased glucocorticoid action may contribute to ethnic differences in the prevalence of the metabolic syndrome, particularly among men and women with a higher body mass index.

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Published date: 2003

Identifiers

Local EPrints ID: 26107
URI: http://eprints.soton.ac.uk/id/eprint/26107
PURE UUID: a9944ccf-9267-42b0-a515-71c9d6a09a40
ORCID for Holly E. Syddall: ORCID iD orcid.org/0000-0003-0171-0306

Catalogue record

Date deposited: 12 Apr 2006
Last modified: 17 Jul 2017 16:08

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Contributors

Author: Alexandra M.V. Ward
Author: Claudia E. Stein
Author: K. Kumaran
Author: S.R. Veena
Author: Peter J. Wood
Author: Holly E. Syddall ORCID iD
Author: David I.W. Phillips

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