Central hypothalamic-pituitary-adrenal activity and the metabolic syndrome: studies using the corticotrophin-releasing hormone test
Ward, Alexandra M.V., Syddall, Holly E., Wood, Peter J., Dennison, Elaine M. and Phillips, David I.W. (2004) Central hypothalamic-pituitary-adrenal activity and the metabolic syndrome: studies using the corticotrophin-releasing hormone test. Metabolism: Clinical and Experimental, 53, (6), 720-726. (doi:10.1016/j.metabol.2004.01.008).
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A number of studies have suggested that the metabolic syndrome (principally, the combination of hypertension, glucose intolerance, and dyslipidemia) is associated with subtle dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis leading to raised circulating cortisol concentrations. The mechanisms underlying these observations are not known. We assessed the salivary cortisol response to awakening and pituitary-adrenal responses during a 100-μg human corticotrophin-releasing hormone (CRH) test and a dexamethasone-suppressed CRH test in a well-characterized group of 65-year-old men (n = 122). In the cohort from which this subgroup was drawn, there were associations between the components of the metabolic syndrome and 9AM cortisol concentration in line with previous studies. However, there were no significant associations between blood pressure, glucose tolerance, and lipid concentrations and the dynamic tests of HPA activity. We therefore found no evidence to suggest that exaggerated pituitary responsiveness or increased central drive to the pituitary, as determined by CRH testing, plays a part in the development of the metabolic syndrome.
|Digital Object Identifier (DOI):||doi:10.1016/j.metabol.2004.01.008|
|Subjects:||R Medicine > RC Internal medicine
Q Science > QH Natural history > QH301 Biology
|Divisions:||University Structure - Pre August 2011 > School of Medicine > Developmental Origins of Health and Disease
University Structure - Pre August 2011 > School of Medicine > Human Genetics
|Date Deposited:||12 Apr 2006|
|Last Modified:||06 Aug 2015 02:26|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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