Cited by 76Growth Hormone and Insulin-like Growth FactorsPancreatic function and diabetesGenetic Syndromes and Imprinting

Carbohydrate metabolism in primary growth hormone resistance (Laron syndrome) before and during insulin-like growth factor-I treatment

Laron, Z., Avitzur, Y., Klinger, B.·1995·Metabolism

Abstract

Among 43 patients with Laron syndrome followed in our clinic, we were able to study the carbohydrate metabolism from infancy into adult age in 30 patients. During infancy, fasting blood glucose levels were in the hypoglycemic range (mean +/- SD, 3.5 +/- 1.2 mmol/L) and increased at the end of a delayed puberty to 4.6 +/- 0.6 mmol/L. Fasting plasma insulin was higher than expected for concomitant glucose levels, and several of the 20 patients who underwent an oral glucose tolerance test (OGTT) had glucose intolerance and relatively high insulin levels. In adult patients, insulinopenia developed and one 38-year-old patient developed non-insulin-dependent diabetes mellitus (NIDDM) with subsequent need for insulin therapy. Continuous insulin-like growth factor-I (IGF-I) treatment of a pubertal patient with glucose intolerance and hyperinsulinemia normalized both responses. In conclusion, long-term IGF-I deficiency leads to insulin resistance, which is reversed by exogenous IGF-I administration.

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Crossref · 10.1016/0026-0495(95)90231-7

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31 of 31 references verified0 citation errors · 0 not checkable

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  • Administration of IGF1 in humans results in decreased blood glucose levels and improved insulin sensitivity in those with and without type 2 diabetes.

    “Administration of IGF1 in humans results in decreased blood glucose levels and improved insulin sensitivity in those with and without type 2 diabetes [[234], [235], [236]].”

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Authors
Laron, Z., Avitzur, Y., & Klinger, B.
Affiliations
Tel Aviv University (IL)
Corresponding author
Laron, Z.
Venue
Metabolism
Publisher
Elsevier BV
Published
1995-10
Volume
44
Issue
10 Suppl 4
Pages
113-118
ISSN
0026-0495 (ISSN-L)
OpenAlex
W2077327282
Cited by
76
References
30
Citations by year
2025: 2 · 2024: 3 · 2023: 3 · 2022: 2 · 2020: 3 · 2019: 2 · 2018: 4 · 2017: 2 · 2015: 4 · 2014: 5 · 2013: 4 · 2012: 3
FWCI
0.34
Type
journal article
Language
en
Open access
closed
Locations
  • Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Growth Hormone and Insulin-like Growth Factors
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Syndromes and Imprinting
Keywords
Laron syndrome, growth hormone resistance, carbohydrate metabolism, insulin-like growth factor I, insulin resistance, insulin deficiency, impaired glucose tolerance, hypoglycemia, fasting blood glucose, fasting insulin, type 2 diabetes, puberty, oral glucose tolerance test
MeSH terms
Blood Glucose, Growth Disorders, Humans, Insulin Resistance, Insulin-Like Growth Factor I, Obesity, Growth Hormone, Carbohydrate Metabolism

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