Determining skeletal maturation using insulin-like growth factor I (IGF-I) test

S Gupta, S Jain, P Gupta, A Deoskar - Progress in orthodontics, 2012 - Elsevier
OBJECTIVE: To investigate the validity of Insulin like Growth Factor-1 (IGF-1) as a skeletal
maturity indicator by comparing serum IGF-1 levels with the stages in cervical vertebral …

No decrease in free IGF‐I with increasing insulin in obesity‐related insulin resistance

W Ricart, JM Fernández‐Real - Obesity research, 2001 - Wiley Online Library
Objective: Different facts suggest that the insulin growth factor (IGF)/insulin growth factor‐
binding protein (IGFBP) system may be regulated by factors other than growth hormone. It …

Midlife plasma insulin-like growth factor I and cognitive function in older men

OI Okereke, JH Kang, J Ma, JM Gaziano… - The Journal of …, 2006 - academic.oup.com
Context: Emerging biological and epidemiological evidence suggests possible benefits of
higher IGF-I levels in cognitive aging. Objective: The objective of the study was to examine …

Comparative endocrinology of aging and longevity regulation

JB Allard, C Duan - Frontiers in Endocrinology, 2011 - frontiersin.org
Hormones regulate growth, development, metabolism, and other complex processes in
multicellular animals. For many years it has been suggested that hormones may also …

Normal age-dependent values of serum insulin growth factor-I: results from a healthy Italian population

G Aimaretti, M Boschetti, G Corneli, V Gasco… - Journal of …, 2008 - Springer
Serum IGF-I levels were measured in 547 non-hypopituitaric, non-acromegalic healthy
subjects of both sexes in Italy to develop reference values in relation to age and sex …

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 …

Utility of free IGF-I measurements

J Frystyk - Pituitary, 2007 - Springer
For nearly 30 years, the endogenous bioactivity of insulin-like growth factor I (IGF-I) has
been estimated by its circulating concentrations of immunoreactive IGF-I, obtained after …

Correlation of sex steroids with IGF-1 and IGFBP-3 during different pubertal stages

N Kanbur-Oksüz, O Derman, E Kinik - The Turkish Journal of …, 2004 - turkjpediatr.org
Insulin-like growth factor 1 (IGF-1) is the major factor that affects linear bone growth. Also,
androgens and estrogens are necessary for increasing longitudinal bone growth during …

儿童青少年血清胰岛素生长因子-1 及胰岛素因子结合蛋白-3 的正常参考值研究

许珊珊, 顾学范, 潘慧, 朱惠娟, 龚凤英, 李玉凤… - 临床儿科杂志, 2009 - cqvip.com
目的建立中国6~ 18 岁年龄段血清胰岛素生长因子-1 (IGF-1) 和胰岛素因子结合蛋白-3 (IGFBP-
3) 水平的正常参考值, 并探讨其与年龄, 性别, 发育阶段及体质指数的关系. 方法选取了大庆市 …

The relationship between the GH/IGF-I axis and serum markers of bone turnover metabolism in healthy children

J Léger, I Mercat, C Alberti, D Chevenne… - European Journal of …, 2007 - academic.oup.com
Context There is evidence to suggest that IGF-I plays a role in regulating bone turnover.
Objective To evaluate the relationships between serum concentrations of IGF-I and IGF …