ArticleThe Journal of clinical endocrinology and metabolism2015
GH Receptor Deficiency in Ecuadorian Adults Is Associated With Obesity and Enhanced Insulin Sensitivity.
Article in The Journal of clinical endocrinology and metabolism, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed, 62 citations in OpenAlex.
- Decreased β-cell volume and insulin secretion but preserved glucose tolerance in a growth hormone insensitive pig model.Pituitary · 2024Article
- Normal or improved cardiovascular risk factors in IGF-I-deficient adults with growth hormone receptor deficiency.Med (New York, N.Y.) · 2024Article
- Secondary diabetes mellitus in acromegaly.Endocrine · 2023Review
- Divergent metabolic phenotypes in two genetic syndromes of low insulin secretion.Diabetes research and clinical practice · 2023Article
- Growth hormone receptor gene disruption.Vitamins and hormones · 2023Article
- Do patients with Prader-Willi syndrome have favorable glucose metabolism?Orphanet journal of rare diseases · 2022Review
- Review
- Extending lifespan by modulating the growth hormone/insulin-like growth factor-1 axis: coming of age.Pituitary · 2021Review
- Mouse models of growth hormone deficiency.Reviews in endocrine & metabolic disorders · 2021Review
- Insights from the clinical phenotype of subjects with Laron syndrome in Ecuador.Reviews in endocrine & metabolic disorders · 2021Review
- Effect of growth hormone on insulin signaling.Molecular and cellular endocrinology · 2020Review
- Branding of subjects affected with genetic syndromes of severe short stature in developing countries.BMJ case reports · 2020Article
- Commentary on Camell et al., Aging Induces Nlrp3 Inflammasome Dependent Adipose B Cell Expansion to Impair Metabolic Homeostasis.Immunometabolism · 2020Article
- The enigmatic role of growth hormone in age-related diseases, cognition, and longevity.GeroScience · 2019Review
- The effects of growth hormone on therapy resistance in cancer.Cancer drug resistance (Alhambra, Calif.) · 2019Article
- Insulin Sensitivity Is Not Decreased in Adult Patients With Hypopituitarism Without Growth Hormone Replacement.Frontiers in endocrinology · 2019Article
- The Lysine Demethylase KDM5B Regulates Islet Function and Glucose Homeostasis.Journal of diabetes research · 2019Article
- Growth Hormone and Aging: Updated Review.The world journal of men's health · 2019Review
- Growth hormone receptor-deficient pigs resemble the pathophysiology of human Laron syndrome and reveal altered activation of signaling cascades in the liver.Molecular metabolism · 2018Article
- Growth Hormone's Effect on Adipose Tissue: Quality versus Quantity.International journal of molecular sciences · 2017Review
Corrections and comments
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Authors and funding
13 authors at 5 institutions in 2 countries.
Funding
Abstract
contextEcuadorian subjects with GH receptor deficiency (GHRD) have not developed diabetes, despite obesity.
objectiveWe sought to determine the metabolic associations for this phenomenon.
designFour studies were carried out: 1) glucose, lipid, adipocytokine concentrations; 2) metabolomics evaluation; 3) metabolic responses to a high-calorie meal; and 4) oral glucose tolerance tests.
settingClinical Research Institute in Quito, Ecuador. SUBJECTS: Adults homozygous for the E180 splice mutation of the GH receptor (GHRD) were matched for age, gender, and body mass index with unaffected control relatives (C) as follows: study 1, 27 GHRD and 35 C; study 2, 10 GHRD and 10 C; study 3, seven GHRD and 11 C; and study 4, seven GHRD and seven C.
resultsAlthough GHRD subjects had greater mean percentage body fat than controls, their fasting insulin, 2-hour blood glucose, and triglyceride levels were lower. The indicator of insulin sensitivity, homeostasis model of assessment 2%S, was greater (P < .0001), and the indicator of insulin resistance, homeostasis model of assessment 2-IR, was lower (P = .0025). Metabolomic differences between GHRD and control subjects were consistent with their differing insulin sensitivity, including postprandial decreases of branched-chain amino acids that were more pronounced in controls. High molecular weight and total adiponectin concentrations were greater in GHRD (P = .0004 and P = .0128, respectively), and leptin levels were lower (P = .02). Although approximately 65% the weight of controls, GHRD subjects consumed an identical high-calorie meal; nonetheless, their mean glucose concentrations were lower, with mean insulin levels one-third those of controls. Results of the 2-hour oral glucose tolerance test were similar.
main outcome measuresMeasures of insulin sensitivity, adipocytokines, and energy metabolites.
conclusionsWithout GH counter-regulation, GHRD is associated with insulin efficiency and obesity. Lower leptin levels, despite higher percentage body fat, suggest that obesity-associated leptin resistance is GH dependent. Elevated adiponectin levels not correlated with percentage body fat indicate that GH signaling is necessary for their typical suppression with obesity.
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