Cited by 86Bone Metabolism and DiseasesMultiple Myeloma Research and TreatmentsBone health and treatments

Myeloma cells can directly contribute to the pool of RANKL in bone bypassing the classic stromal and osteoblast pathway of osteoclast stimulation.

Lai, F. P. L., Cole‐Sinclair, M., Cheng, W.‐J., Quinn, J. M. W., Gillespie, M. T., Sentry, J. W., Schneider, H.‐G.·2004·British Journal of Haematology

Abstract

Summary: The ratio of osteoprotegerin [OPG, tumour necrosis factor receptor superfamily, member 11b (TNFRSF11B)] to receptor activator of nuclear factor κB ligand [RANKL, tumour necrosis factor (ligand) superfamily, member 11 (TNFSF11)] in bone is critical for the regulation of bone remodelling. Myeloma cells can home to bone, triggering increased RANKL and decreased OPG expression by stromal cells, leading to osteolysis. Whether myeloma cells contribute directly to the pool of RANKL or OPG in bone has been contentious. Here we provide evidence of RANKL expression by reverse transcription polymerase chain reaction and in situ hybridization, demonstrating transcripts encoding both the membrane‐bound and secreted forms of RANKL in five human multiple myeloma cell lines (LP‐1, NCI‐H929, OPM‐2, RPMI8226, U266) and myeloma cells purified from bone marrow aspirates of myeloma patients. We demonstrated that RANKL encoding mRNAs are translated to protein by antibody detection of RANKL. In vitro assays showed that myeloma cells induced bone marrow derived mononuclear cells to differentiate into adherent tartrate‐resistant acid phosphatase positive multinucleated cells, indicative of the formation of functional osteoclasts. This differentiation could also be achieved with passaged myeloma media alone, implicating secreted products. Finally, we provide evidence that the differentiation observed is at least in part the result of myeloma cell expression of RANKL. We therefore conclude that myeloma cells can directly contribute to the pool of RANKL in bone.

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Crossref · 10.1111/j.1365-2141.2004.05018.x

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Authors
Lai, F. P. L., Cole‐Sinclair, M., Cheng, W. ‐., Quinn, J. M. W., Gillespie, M. T., Sentry, J. W., & Schneider, H. ‐.
Affiliations
  • The Alfred Hospital (AU)
  • St Vincents Institute of Medical Research (AU)
Venue
British Journal of Haematology
Publisher
Wiley
Published
2004-06-04
Volume
126
Issue
2
Pages
192-201
ISSN
  • 0007-1048 (ISSN-L)
  • 1365-2141
OpenAlex
W2005360870
Cited by
86
References
33
Citations by year
2026: 2 · 2025: 1 · 2024: 2 · 2023: 1 · 2022: 1 · 2021: 2 · 2019: 2 · 2018: 1 · 2017: 3 · 2016: 2 · 2015: 4 · 2014: 6 · 2013: 4 · 2012: 5
FWCI
2.37
Type
journal article
Language
en
Open access
closed
Locations
  • British Journal of Haematology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bone Metabolism and Diseases
  • Health Sciences › Medicine › Hematology › Multiple Myeloma Research and Treatments
  • Health Sciences › Medicine › Oncology › Bone health and treatments
Keywords
multiple myeloma, RANKL, osteoprotegerin, myeloma cells, osteoclastogenesis, bone remodeling, osteolysis, mesenchymal stem cells, osteoblasts, TNFSF11, myeloma cell lines, bone marrow aspirate
MeSH terms
Tartrate-Resistant Acid Phosphatase, Acid Phosphatase, Carrier Proteins, Cell Differentiation, Cell Division, Humans, Isoenzymes, Leukocytes, Mononuclear, Membrane Glycoproteins, Multiple Myeloma, Osteoclasts, Proteoglycans, RNA, Messenger, Tumor Cells, Cultured, Gene Expression, Culture Media, Conditioned, In Situ Hybridization, Protein Isoforms, Reverse Transcriptase Polymerase Chain Reaction, Cell Line, Tumor, RANK Ligand, Receptor Activator of Nuclear Factor-kappa B, Syndecans

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