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 aging of the endocrine hypothalamus and its dependent endocrine glands

Menelaos L. Batrinos

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Clusters of poorly demarcated neurons, called nuclei, situated in the hypothalamic area are the source of hormones which through the succession of their actions on the pituitary and the peripheral endocrine glands, regulate and control major functions …

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 …