Chronic stress, visceral obesity and gonadal dysfunction

Ioannis Kyrou, Constantine Tsigos

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Chronic stress represents a prolonged state of dyshomeostasis caused by intense and frequently imposed stressors. Obesity constitutes a chronic dysmetabolic state, leading progressively to a spectrum of metabolic complications, such as diabetes, dyslipidemia, hypertension and cardiovascular disease. Α growing body of evidence supports the existence of significant interactions between stress and obesity …

The impact of adipose tissue-derived factors on the hypothalamic-pituitary-gonadal (HPG) axis

Christos Tsatsanis, Eirini Dermitzaki, Pavlina Avgoustinaki, Niki Malliaraki, Vasilis Mytaras, Andrew N. Margioris

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Adipose tissue produces factors, including adipokines, cytokines and chemokines which, when released, systemically exert endocrine effects on multiple tissues thereby affecting their physiology. Adipokines also affect the hypothalamic-pituitary-gonadal (HPG) axis both centrally, at the hypothalamic-pituitary level …

Differences in plasma apelin and visfatin levels between patients with type 1 diabetes mellitus and healthy subjects and response after acute hyperglycemia and insulin administration

Kleopatra Alexiadou, Alexander Kokkinos, Stavros Liatis, Despoina Perrea, Nicholas Katsilambros, Nicholas Tentolouris

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OBJECTIVE. Previous data suggest that apelin and visfatin play a role in metabolism and glucose homeostasis. The aim of the present study was to determine differences in plasma apelin and visfatin concentrations between healthy subjects and patients with type 1 diabetes mellitus …