Searchable abstracts of presentations at key conferences in endocrinology
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19th European Congress of Endocrinology

Lisbon, Portugal
20 May 2017 - 23 May 2017

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20-23 May 2017, Lisbon, Portugal Further information

ea0049ep1092 | Developmental endocrinology | ECE2017

Age and developmental stage dependent relationship between plasma concentrations of leptin, luteinizing hormone, follicle stimulating hormone, prolactin, testosterone and inhibin B in boys between the age of 1 and 20 years

Naseem Afzaal Ahmed , Qayyum Mazhar , Akram Maleeha , Iqbal Zubaria , Tahir Fahim , Afshan Kiran , Jahan Sarwat , Rizvi Syed Shakeel Raza

Leptin is regarded as an essential adipokine for controlling energy homeostasis, caloric intake reduction and increase of caloric expenditure by negative feedback mechanisms via receptors in the hypothalamus. Puberty is said to be triggered by leptin, which signals the hypothalamus that adequate fat reserves are available for initiation of energetically costly process of reproduction. Leptin activates gonadotropin releasing hormone (GnRH) system, which stimulates luteinizing h...