The specific objective of this study was to investigate the sensitivity of Kisspeptin receptor 1 (KISS1R) by determining the responsiveness of GnRH neuron to kisspeptin administration across the pubertal stages and adult group through measuring plasma LH (luteinizing hormone) and testosterone concentrations.
No studies in humans are available regarding KISS1R signalling that, whether expression of the KISS1 or KISS1R sensitivity increases during the pubertal transition in boys. Kisspeptin regulates HPG (hypothalamic pituitary gonadal) axis by secreting GnRH that acts on the pituitary gonadotrophs to secrete LH and FSH. But in contrast to pubertal period, juvenile period kisspeptin pulsatility is reduced, that leads to low GnRH pulsatility and low level of plasma LH, FSH and testosterone. The objective of this study was to determine the response of exogenous kisspeptin in various juvenile stages up to puberty and also in the adults by measuring the level of plasma LH and testosterone. This study would help us to determine that whether there is any link between the increased sensitivity of kisspeptin signalling and puberty onset?, Or at what Tanner stage pre pubertal boys enter into puberty.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Enrollment
30
A neurohormone
Quaid-i-Azam University
Islamabad, Pakistan
To investigate the sensitivity of KISS1R by determining the responsiveness of GnRH neuron to kisspeptin administration across the pubertal stages and adult group through measuring plasma luteinizing hormone and testosterone concentrations
Time frame: A time frame for each individual was 3 hours. Kisspeptin-10 was injected intravenously and the blood samples were collected at 30 minutes intervals for 30 minutes pre and 2 hours post kisspeptin-10 injection through cannula.
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