Leptin, nutrition and reproduction: new insights

Vera Popovic, Felipe F. Casanueva

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Recent data suggest that in addition to leptin’s role in conveying signals of the amount of energy stores to the central nervous system, this adipocyte secreted hormone interacts with the endocrine system to provide critical information about the size of fat stores, acting as a permissive factor that allows the triggering of energy demanding situations …

The measurement of urinary gonadotropins for assessment and management of pubertal disorder

Laura Lucaccioni, Jane McNeilly, Avril Mason, Claudio Giacomozzi, Andreas Kyriakou, Mohammed Guftar Shaikh, Lorenzo Iughetti, Syed Faisal Ahmed

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OBJECTIVE: Measurement of urinary LH (uLH) and FSH (uFSH) may facilitate non-invasive pubertal assessment but there is a need for further validation by studying children and adolescents with disorders of puberty. DESIGN: 65 cases (Male: 25) with a median age of 12 years (2.9-18.1) supplied at least one non-timed urine sample

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 …

Secular growth changes in the Hellenic population in the twentieth century

Anastasios Papadimitriou, Dimitrios Chiotis, Georgios Tsiftis, Maria Hatzisimeon, Maria Maniati, Xenofon Krikos, Anastasia Tzonou, Catherine Dacou-Voutetakis

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Statural growth is dependent on hereditary and environmental factors, i.e disease, nutrition. The improvement of socioeconomic conditions that took place during the 20th century resulted in a secular trend towards greater height and earlier sexual maturation. Greek society has changed dramatically from a mainly agricultural society …

Very premature pubarche in girls is not a pubertal variant

Françoise Paris, Nicolas Kalfa, Pascal Philibert, Claire Jeandel, Laura Gaspari, Charles Sultan

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Premature pubarche (PP) in girls is considered to be a benign phenomenon and is the clinical expression of premature adrenarche. Since it does not usually increase the risk of either abnormalities in pubertal development or a reduced final adult height, a non-interventional approach …