Cited by 198Bone Metabolism and DiseasesNeuropeptides and Animal PhysiologyBone health and osteoporosis research

The DOI matches its Crossref record; 53 of the 53 references it cites were found in a registry or an index.

Calcitonin-gene-related peptide stimulates stromal cell osteogenic differentiation and inhibits RANKL induced NF-κB activation, osteoclastogenesis and bone resorption

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Abstract

Previously we observed that capsaicin treatment in rats inhibited sensory neuropeptide signaling, with a concurrent reduction in trabecular bone formation and bone volume, and an increase in osteoclast numbers and bone resorption. Calcitonin gene-related peptide (CGRP) is a neuropeptide richly distributed in sensory neurons innervating the skeleton and we postulated that CGRP signaling regulates bone integrity. In this study we examined CGRP effects on stromal and bone cell differentiation and activity in vitro. CGRP receptors were detected by immunocytochemical staining and real time PCR assays in mouse bone marrow stromal cells (BMSCs) and bone marrow macrophages (BMMs). CGRP effects on BMSC proliferation and osteoblastic differentiation were studied using BrdU incorporation, PCR products, alkaline phosphatase (ALP) activity, and mineralization assays. CGRP effects on BMM osteoclastic differentiation and activity were determined by quantifying tartrate-resistant acid phosphatase positive (TRAP+) multinucleated cells, pit erosion area, mRNA levels of TRAP and cathepsin K, and nuclear factor-κB (NF-κB) nuclear localization. BMSCs, osteoblasts, BMMs, and osteoclasts all expressed CGRP receptors. CGRP (10-10-10-8M) stimulated BMSC proliferation, up-regulated the expression of osteoblastic genes, and increased ALP activity and mineralization in the BMSCs. In BMM cultures CGRP (10-8M) inhibited receptor activator of NF-κB ligand (RANKL) activation of NF-κB. CGRP also down-regulated osteoclastic genes like TRAP and cathepsin K, decreased the numbers of TRAP+ cells, and inhibited bone resorption activity in RANKL stimulated BMMs. These results suggest that CGRP signaling maintains bone mass both by directly stimulating stromal cell osteoblastic differentiation and by inhibiting RANKL induced NF-κB activation, osteoclastogenesis, and bone resorption.

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Crossref · 10.1016/j.bone.2009.11.029

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Metadata

Authors
Wang, L., Shi, X., Zhao, R., Halloran, B. P., Clark, D. J., Jacobs, C. R., & Kingery, W. S.
Affiliations
  • VA Palo Alto Health Care System (US)
  • San Francisco VA Medical Center (US)
Corresponding author
Wang, Liping
Venue
Bone
Publisher
Elsevier BV
Published
2010-05
Volume
46
Issue
5
Pages
1369-1379
ISSN
  • 1873-2763 (ISSN-L)
  • 8756-3282
OpenAlex
W2039009902
Cited by
198
References
53
Citations by year
2026: 11 · 2025: 17 · 2024: 16 · 2023: 19 · 2022: 16 · 2021: 8 · 2020: 17 · 2019: 18 · 2018: 18 · 2017: 10 · 2016: 7 · 2015: 14 · 2014: 6 · 2013: 10 · 2012: 3
FWCI
1.47
Type
journal article
Language
en
Open access
Locations
  • Bone (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Department of Veterans Affairs, Veterans Health Administration, Rehabilitation Research and Development Service (A4265R)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK067197)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bone Metabolism and Diseases
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Bone health and osteoporosis research
Keywords
calcitonin gene-related peptide, mesenchymal stem cells, osteogenic differentiation, osteoclastogenesis, bone resorption, RANKL, NF-κB activation, bone marrow-derived macrophages, CGRP receptor, sensory neuropeptides, bone mass regulation, capsaicin, cathepsin K, traps
MeSH terms
Alkaline Phosphatase, Animals, Bone Resorption, Cell Differentiation, Cells, Cultured, Male, Mice, Inbred C57BL, Microscopy, Fluorescence, Osteoclasts, Osteogenesis, Blotting, Western, Calcitonin Gene-Related Peptide, Polymerase Chain Reaction, NF-kappa B, Stromal Cells, Microscopy, Confocal, Cell Proliferation, Mice, RANK Ligand

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