Cited by 45Growth Hormone and Insulin-like Growth FactorsParathyroid Disorders and TreatmentsBone Metabolism and Diseases

Circulating levels of insulin-like growth factor-I and -II, and IGF-binding protein-3 in inflammation and after parathyroid hormone infusion

Johansson, Anna G., Baylink, David J., af Ekenstam, Eva, Lindh, Erik, Mohan, Subburaman, Ljunghall, Sverker·1994·Bone and Mineral

Abstract

In order to assess if the anabolic action of PTH is related to changes in circulating levels of insulin-like growth factor-I and -II (IGF-I and -II), and IGF binding protein 3 (IGFBP-3), 24 h of PTH infusion was performed in healthy women and in patients with rheumatoid arthritis (RA), a state where both bone metabolism and PTH secretion is influenced by the inflammatory activity. The patients with RA had lower basal levels of both IGF-I and -II than the healthy controls (P < 0.05). In neither group did the IGFs change after 24 h of PTH administration, while IGFBP-3 was significantly increased in the healthy controls (4600 +/- 1200 to 5750 +/- 2200 micrograms/l, P < 0.05). IGFBP-3 was not affected by PTH infusion in patients with RA when the disease had high activity, but when inflammation had subsided they responded with a similar increase in IGFBP-3 as the control group and basal IGF-I and -II levels were normalised. Since IGFBP-3 can enhance the anabolic action of IGF-I, increased IGFBP-3 levels after PTH infusion may reflect a mechanism by which PTH is anabolic for bone. Inflammation may inhibit bone formation via decreased serum levels of IGFs and blocked IGFBP-3 response to PTH.

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Crossref · 10.1016/s0169-6009(08)80128-6

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27 of 27 references verified0 citation errors · 0 not checkable

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Authors
Johansson, A. G., Baylink, D. J., af Ekenstam, E., Lindh, E., Mohan, S., & Ljunghall, S.
Affiliations
  • Uppsala University Hospital (SE)
  • Jerry L. Pettis Memorial VA Medical Center (US)
  • Loma Linda University (US)
Corresponding author
Johansson, Anna G.
Venue
Bone and Mineral
Publisher
Elsevier BV
Published
1994-01
Volume
24
Issue
1
Pages
25-31
ISSN
0169-6009 (ISSN-L)
OpenAlex
W1967077548
Cited by
45
References
28
Citations by year
2020: 1 · 2019: 2 · 2018: 1 · 2015: 5 · 2014: 1 · 2013: 1
FWCI
1.46
Type
journal article
Language
en
Open access
closed
Locations
  • Bone and Mineral (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • U.S. Department of Veterans Affairs
  • Medicinska Forskningsrådet
  • National Institutes of Health (AR31062)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Growth Hormone and Insulin-like Growth Factors
  • Health Sciences › Medicine › Nephrology › Parathyroid Disorders and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bone Metabolism and Diseases
Keywords
insulin-like growth factor I, insulin-like growth factor II, IGF binding protein-3, parathyroid hormone, rheumatoid arthritis, inflammation, bone metabolism, bone formation
MeSH terms
Adult, Aged, Arthritis, Rheumatoid, Bone and Bones, Calcium, Carrier Proteins, Female, Humans, Infusion Pumps, Insulin-Like Growth Factor I, Insulin-Like Growth Factor II, Male, Middle Aged, Parathyroid Hormone, Peptide Fragments, Insulin-Like Growth Factor Binding Proteins

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