Why do normal children have acromegalic levels of IGF-I during puberty?

A Juul, NE Skakkebæk - The Journal of Clinical Endocrinology & …, 2019 - academic.oup.com
Context The rapid pubertal height growth is unique to humans, but why do we have it?
Although the spurt contributes 13% to 15% to the final adult height, we hypothesized that the …

Endocrine control of growth

PG Murray, PE Clayton - … Journal of Medical Genetics Part C …, 2013 - Wiley Online Library
Human growth is a complex process starting at conception and completing in adolescence
at the time of growth plate fusion. Growth can be divided into four phases:(1) fetal, where the …

Elevated serum IGF‐I, but unaltered sex steroid levels, in healthy boys with pubertal gynaecomastia

MG Mieritz, K Sorensen, L Aksglaede… - Clinical …, 2014 - Wiley Online Library
Objective Pubertal gynaecomastia is a very common condition. Although the underlying
aetiology is poorly understood, it is generally accepted that excess of oestrogens and deficit …

Effects of growth hormone replacement therapy on IGF-related parameters and on the pituitary-gonadal axis in GH-deficient males: a double-blind, placebo-controlled …

A Juul, AM Andersson, SA Pedersen… - Hormone Research in …, 1998 - karger.com
It has been suggested that growth hormone (GH) may play a regulatory role in male
reproductive function. To express full anabolic effect in immature boys testosterone …

Growth hormone deficiency impedes the rise in plasma insulin-like growth factor I levels associated with precocious puberty

JF Cara, S Burstein, L Cuttler, GW Moll Jr… - The Journal of …, 1989 - Elsevier
We tested the hypothesis that growth hormone (GH) mediates the rise in insulin-like growth
factor I (IGF-I) concentrations in children with precocious puberty. We studied three groups of …

Somatotropic‐Testicular Axis: A crosstalk between GH/IGF‐I and gonadal hormones during development, transition, and adult age

M Tenuta, F Carlomagno, B Cangiano, G Kanakis… - …, 2021 - Wiley Online Library
Background The hypothalamic‐pituitary‐gonadal (HPG) and hypothalamic‐pituitary‐
somatotropic (HPS) axes are strongly interconnected. Interactions between these axes are …

Serum IGF1 and insulin levels in girls with normal and precocious puberty

K Sørensen, L Aksglaede, JH Petersen… - European Journal of …, 2012 - academic.oup.com
Objective IGF1 plays an important role in growth and metabolism during puberty. IGF1 levels
are increased in girls with central precocious puberty (CPP). However, the relationship with …

Insulin‐like growth factor‐I and IGF binding protein‐3 remain high after GnRH analogue therapy in girls with central precocious puberty

H Kanety, A Karasik, C Pariente… - Clinical …, 1996 - Wiley Online Library
Summary OBJECTIVE IGF‐I rises in normal adolescence and in central precocious puberty
(CPP), secondary to a rise in sex steroids and GH. The aim of this study was to examine …

The impact of the GH-IGF-I axis on gonadotropin secretion: inferences from animal models

ME Wilson - Journal of Pediatric Endocrinology and Metabolism, 2001 - degruyter.com
Given the tight, temporal coupling between growth and reproductive development, the idea
that a common signal may regulate both adolescent growth and the initiation of puberty has …

Endogenous and stimulated GH secretion, urinary GH excretion, and plasma IGF‐I and IGF‐II levels in prepubertal children with short stature after intrauterine growth …

WJ De Waal, ACS Hokken‐Koelega… - Clinical …, 1994 - Wiley Online Library
OBJECTIVE The pathophysiological mechanisms underlying the failure of catch up‐growth
in children with short stature after Intrauterine growth retardation (IUGR) remain obscure …