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 …

The impact of obesity on male fertility

Thomas JG. Chambers, Richard A. Anderson

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Obesity in men of reproductive age is globally on the increase. There is clear evidence from epidemiological studies that obesity impacts negatively on male fertility; it is associated with hypogonadism, although it is less consistently linked to impaired spermatogenesis and tests of sperm function, including DNA fragmentation …

Ghrelin and leptin levels in relation to puberty and reproductive function in patients with beta-thalassemia

Ghollam-Reza Moshtaghi-Kashanian, Fakhrolmulok Razavi

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OBJECTIVE: Recently published animal studies indicate that leptin and ghrelin play a role in puberty initiation and progress as well as in reproduction. The aim of our study was to evaluate the relation of these two hormones to the pubertal maturity and fertility status in patients with β-thalassemia …