Cited by 126Bone Metabolism and DiseasesBone health and osteoporosis researchEstrogen and related hormone effects

The effects of androgen deficiency on murine bone remodeling and bone mineral density are mediated via cells of the osteoblastic lineage.

Weinstein, Robert S., Jilka, Robert L., Parfitt, A. Michael, Manolagas, Stavros C.·1997·Endocrinology

Abstract

Both estrogens and androgens act on bone marrow stromal/osteoblastic cells to inhibit the production of local factors that promote osteoclast development. Based on this and the evidence that loss of sex steroids up-regulates not only osteoclastogenesis but also osteoblastogenesis, we have hypothesized that cells of the osteoblastic lineage are the mediators of the adverse effects of sex steroid deficiency on bone. To test this hypothesis, we used the senescence-accelerated mouse (SAMP6), a model of defective osteoblast development, and examined the effects of orchidectomy on static and dynamic histological features of bone remodeling and on bone mineral density. After orchidectomy in SAMP6 mice, the expected increases in osteoblast precursors, cancellous osteoclasts and osteoblasts, frequency of remodeling events, trabecular spacing, and rate of bone formation were absent or greatly attenuated. Moreover, whereas bone mineral density decreased in orchidectomized controls, it did not change in SAMP6. Our data indicate that when osteoblast development is defective, orchidectomy fails to result in bone loss. This evidence suggests that cells of the osteoblastic lineage are essential mediators of the changes in the rate of bone remodeling and loss of bone mass that ensue following loss of androgens.

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Research works printed but not linked: 3

  1. Manolagas SC, Jilka RJ, Bellido T, O'Brien C, Parfitt AM 1996 Interleukin- 6-type cytokines and their receptors. In: Bilezikian JP, Raisz LG, Rodan GA (eds) Principles of Bone Biology. Academic Press, San Diego, pp 701-713
  2. Owen M 1985 Lineage of osteogenic cells and their relationship to the stromal system. In: Peck WA (ed) Bone and Mineral Research. Elsevier, Amsterdam, vol 3:1-25
  3. Parfitt AM 1988 Bone remodeling: relationship to the amount and structure of bone and the pathogenesis and prevention of fractures In: Riggs BL, Melton LJ (eds) Osteoporosis: Etiology, Diagnosis, and Management. Raven Press, New York, pp 45-94

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Authors
Weinstein, R. S., Jilka, R. L., Parfitt, A. M., & Manolagas, S. C.
Affiliations
University of Arkansas for Medical Sciences (US)
Venue
Endocrinology
Published
1997-09-01
Volume
138
Issue
9
Pages
4013-4021
ISSN
  • 0013-7227 (ISSN-L)
  • 1945-7170
OpenAlex
W1972472172
Cited by
126
References
39
Citations by year
2026: 1 · 2024: 3 · 2023: 2 · 2022: 1 · 2021: 5 · 2020: 3 · 2019: 3 · 2018: 2 · 2017: 2 · 2016: 2 · 2015: 1 · 2014: 1 · 2013: 5 · 2012: 2
FWCI
4.39
Type
journal article
Language
en
Open access
closed
Locations
  • Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • U.S. Department of Veterans Affairs
  • National Institutes of Health
  • National Institute on Aging (P01-AG-13918-01, P01AG013918)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bone Metabolism and Diseases
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Bone health and osteoporosis research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
Keywords
androgen deficiency, bone remodeling, bone mineral density, osteoblast lineage, osteoblastogenesis, osteoclastogenesis, orchiectomy, sex hormone deficiency, bone loss, trabecular bone, bone formation
MeSH terms
Androgens, Animals, Body Weight, Bone Marrow Cells, Cell Count, Male, Mice, Mutant Strains, Orchiectomy, Osteoblasts, Stem Cells, Bone Density, Bone Remodeling, Mice

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