Cited by 154Bone Metabolism and DiseasesOsteomyelitis and Bone Disorders ResearchBone health and treatments

Enhanced RANK ligand expression and responsivity of bone marrow cells in Paget’s disease of bone.

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Menaa, Cheikh, Reddy, Sakamuri V., Kurihara, Noriyoshi, Maeda, Hidefumi, Anderson, Dirk, Cundy, Tim, Cornish, Jillian, Singer, Frederick R. +2 more·2000·Journal of Clinical Investigation

Abstract

Paget's disease is characterized by highly localized areas of increased osteoclast (OCL) activity. This suggests that the microenvironment in pagetic lesions is highly osteoclastogenic, or that OCL precursors in these lesions are hyperresponsive to osteoclastogenic factors (or both). To examine these possibilities, we compared RANK ligand (RANKL) mRNA expression in a marrow stromal cell line developed from a pagetic lesion (PSV10) with that in a normal stromal cell line (Saka), and expression in marrow samples from affected bones of Paget's patients with that in normal marrow. RANKL mRNA was increased in PSV10 cells and pagetic marrow compared with Saka cells and normal marrow, and was also increased in marrow from affected bones compared with uninvolved bones from Paget's patients. Furthermore, pagetic marrow cells formed OCLs at much lower RANKL concentrations than did normal marrow. Anti-IL-6 decreased the RANKL responsivity of pagetic marrow to normal levels, whereas addition of IL-6 to normal marrow enhanced RANKL responsivity. Thus, RANKL expression and responsivity is increased in pagetic lesions, in part mediated by IL-6. These data suggest that the combination of enhanced expression of RANKL in affected bones and increased RANKL sensitivity of pagetic OCL precursors may contribute to the elevated numbers of OCLs in Paget's disease.

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Authors
Menaa, C., Reddy, S. V., Kurihara, N., Maeda, H., Anderson, D., Cundy, T., Cornish, J., Singer, F. R., Bruder, J. M., & Roodman, G. D.
Affiliations
  • The University of Texas at San Antonio Health Science Center (US)
  • Amgen (United States) (US)
  • University of Auckland (NZ)
  • United States Department of Veterans Affairs (US)
Corresponding author
Roodman, G. David
Venue
Journal of Clinical Investigation
Published
2000-06-15
Volume
105
Issue
12
Pages
1833-1838
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2132675666
Cited by
154
References
23
Citations by year
2026: 1 · 2024: 3 · 2023: 4 · 2022: 3 · 2021: 1 · 2020: 5 · 2019: 8 · 2018: 5 · 2017: 4 · 2016: 5 · 2015: 2 · 2014: 3 · 2013: 6 · 2012: 10
FWCI
3.14
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute on Aging (R01AG013625)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (AR-44603, AR41336, R01AR044603, R01AR041336)
  • National Institute of Dental and Craniofacial Research (DE 12603, R01DE012603)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bone Metabolism and Diseases
  • Health Sciences › Medicine › Rheumatology › Osteomyelitis and Bone Disorders Research
  • Health Sciences › Medicine › Oncology › Bone health and treatments
Keywords
Paget's disease of bone, RANK ligand, osteoclastogenesis, osteoclast precursors, mesenchymal stem cells, interleukin-6, osteoclast activity, bone microenvironment
MeSH terms
Interleukin-6 Inhibitors, Antibodies, Bone and Bones, Bone Marrow Cells, Carrier Proteins, Cells, Cultured, Gene Expression Regulation, Humans, Membrane Glycoproteins, Osteitis Deformans, Osteoclasts, Reference Values, RNA, Messenger, Transcription, Genetic, Interleukin-6, Stromal Cells, RANK Ligand, Receptor Activator of Nuclear Factor-kappa B

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