Cited by 133Bone Metabolism and DiseasesRenin-Angiotensin System StudiesBone health and osteoporosis research

Angiotensin II is generated from angiotensin I by bone cells and stimulates osteoclastic bone resorption in vitro

Hatton, R, Stimpel, M, Chambers, T J·1997·Journal of Endocrinology

Abstract

During bone resorption, osteoclasts are closely associated with endothelial cells. The latter are able to produce several agents that regulate bone resorption. In view of the increasing evidence that angiotensin II, which can be generated by endothelial cells, has actions outside the traditional renin-angiotensin system, we tested the effect of angiotensin II on bone resorption. Angiotensin II showed no effect either on osteoclast formation or on bone resorption by isolated osteoclasts. However, in co-cultures of osteoclasts with calvarial or MC3T3-E1 osteoblastic cells, and in osteoclastic cultures co-cultured with other bone cells obtained by prolonged sedimentation, angiotensin II stimulated bone resorption to a similar degree to that observed with 1,25(OH)2 vitamin D3. Stimulation of resorption was noted at concentrations of 10−7m and above. We found that angiotensin I also stimulated bone resorption in co-cultures of osteoclasts with osteoblastic cells, and that this action was inhibited by inhibitors of angiotensin-converting enzyme. These results identify angiotensin I and II as potent stimulators of osteoclastic bone resorption, and raise the possibility that bone might contain a tissue-renin-angiotensin system that might play a role in the regulation of bone resorption. Journal of Endocrinology (1997) 152, 5–10

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Crossref · 10.1677/joe.0.1520005

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  • Angiotensin II, a major hormone of the RAAS, supports re-allocation of energy-rich fuels and calcium/phosphorus to an activated immune system.

    “Thus, similar to the SNS with its major neurotransmitters noradrenaline/adrenaline, angiotensin II, a major hormone of the RAAS, supports re-allocation of energy-rich fuels and calcium/phosphorus to an activated immune system.”

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Authors
Hatton, R., Stimpel, M., & Chambers, T. J.
Affiliations
St George's Hospital (GB)
Venue
Journal of Endocrinology
Published
1997-01-01
Volume
152
Issue
1
Pages
5-10
ISSN
  • 0022-0795 (ISSN-L)
  • 1479-6805
OpenAlex
W2021400723
Cited by
133
References
0
Citations by year
2026: 1 · 2025: 2 · 2024: 8 · 2023: 10 · 2022: 3 · 2021: 5 · 2020: 4 · 2019: 6 · 2018: 3 · 2017: 10 · 2016: 2 · 2015: 6 · 2014: 12 · 2013: 5 · 2012: 8
FWCI
0.83
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Medical Research Council
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bone Metabolism and Diseases
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Renin-Angiotensin System Studies
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Bone health and osteoporosis research
Keywords
angiotensin II, angiotensin I, osteoclast resorption, renin-angiotensin system, bone cells, osteoblasts, osteoclasts, ACE inhibitors, 1,25-dihydroxyvitamin D3, tissue renin-angiotensin system, co-culture
MeSH terms
Angiotensin I, Angiotensin II, Animals, Bone Resorption, Cattle, Cells, Cultured, Dose-Response Relationship, Drug, Mice, Inbred CBA, Osteoblasts, Osteoclasts, Stimulation, Chemical, Rats, Wistar, Coculture Techniques, Mice, Rats

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