Relationship Between IGF-1 and Cortisol/ DHEA-S Ratio in Adult Men With Diabetic Metabolic Syndrome Versus Non-Diabetic Metabolic Syndrome

Mervat M El-Eshmawy, Asmaa Hegazy, Azza A El-Baiomy


Background: Metabolic syndrome (MS) is a strong risk factor for cardiovascular disease and type 2 diabetes mellitus. Previous studies have suggested that low insulin like growth factor-1 (IGF-1), low dehydroepiandrosterone sulfate (DHEA-S) and high cortisol are significant correlates of MS. The aim of the present study was to examine the relationships between serum IGF-1, cortisol, DHEA-S and cortisol/ DHEA-S ratio in adult men with MS either diabetic or non-diabetic.

Methods: One hundred adult men were enrolled in this study, divided into three groups: group 1 included 30 patients with diabetic MS, group 2 included 30 patients with non-diabetic MS and group 3 included 40 age and sex-matched controls. Anthropometric measurements, Homeostasis model assessment of insulin resistance (HOMA), lipid profile, IGF-1, cortisol, DHEA-S and cortisol/ DHEA-S ratio were assessed.

Results: IGF-1 and DHEA-S levels were significantly lower while serum cortisol and cortisol/ DHEA-S ratio were higher in both diabetic MS and non-diabetic MS adult men than healthy controls; they were also significantly different in the diabetic than in non-diabetic adult men with MS. IGF-1 was significantly and independently correlated with waist circumference, blood pressure, fasting blood glucose, HOMA, cortisol, DHEA-S and cortisol/ DHEA-S ratio. Cortisol/ DHEA-S ratio was significantly and independently correlated with blood pressure, fasting blood glucose, insulin, HOMA, triglyceride, high density lipoprotein cholesterol, cortisol and DHEA-S.

Conclusion: IGF-1 concentration is reduced and cortisol/ DHEA-S ratio is increased along with insulin resistance in adult men with diabetic MS. IR may be responsible for multiple multihormonal dysregulation in MS.

J Endocrinol Metab. 2011;1(4):188-195


Metabolic syndrome; IGF-1; Cortisol/ DHEA-S ratio

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