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Pol. Merkur. Lek (Pol. Med. J.), 2021, XLIX/291: 187-192 Maximize

Pol. Merkur. Lek (Pol. Med. J.), 2021, XLIX/291: 187-192

Title: Is there an association of cortisol, DHEA-S and cortisol/DHEA-S ratio with obesity and selected metabolic parameters? 

Authors: Maciejewski A, Litwinowicz M, Miechowicz I, Marcinkowska E, Florczak-Wyspiańska J, Jerominek A, Grzymisławski M, Łącka K.

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SUMMARY IN POLISH & ENGLISH. FULL ARTICLE ONLY IN ENGLISH.

Is there an association of cortisol, DHEA-S and cortisol/DHEA-S ratio with obesity and selected metabolic parameters?

Maciejewski A1, Litwinowicz M2, Miechowicz I3, Marcinkowska E2, Florczak-Wyspiańska J4, Jerominek A5, Grzymisławski M2, Łącka K1.

Medical University of Poznan, Poland: 1Department of Endocrinology, Metabolism and Internal Medicine; 2Department of Internal Medicine, Metabolic Diseases and Dietetics; 3Department of Computer Science and Statistics; 4Department of Neurology; 5Student Scientific Society

A growing problem of obesity observed worldwide results in an increased interest of its pathogenesis. One hypothesis is the association between hypothalamus-pituitary-adrenal axis and obesity.
The aim of this study
was to assess cortisol and DHEA-S secretion and their association with body mass and other selected metabolic parameters.
Material and methods
. 91 obese patients and 50 non-obese controls were recruited. The obese group was further subdivided into metabolically healthy and metabolically unhealthy individuals. Blood cortisol was assessed in the morning and in the evening. Other laboratory and anthropometric parameters were also checked. In the obese group, DHEA-S was measured additionally and cortisol/DHEAS ratio calculated.
Results
. Morning and evening cortisol concentrations were comparable in two studied groups (p>0.05). The only significant difference was the morning to evening cortisol amplitude (212.97±140.24 in the obese vs 171.81±94.00 in the non-obese, p=0.04). Cortisol secretion parameters were not correlated with age, body mass or BMI when whole group was analyzed. In the obese group morning cortisol was negatively correlated with body mass (r=-0.29, p=0.01) and cortisol amplitude with body mass (r=-0.26, p=0.02) and BMI (r=-0.22, p=0.04). DHEA-S was negatively correlated with fasting glucose (r=-0,48 p<0.01) and HOMA-IR (r=-0.26 p =0.03) in the obese group, although it was no longer significant after correcting for age.
Conclusions
. There is no strong association between cortisol secretion parameters or DHEA-S and obesity; however, some alterations can be observed with increasing body mass. Further studies should explain their potential role in obesity pathogenesis.

Key words: cortisol, obesity, HPA axis, stress, cardiovascular risk factors, BMI

Pol Med J, 2021; XLIX (291); 187–192