Cited by 167Bone Metabolism and DiseasesAxon Guidance and Neuronal SignalingMedicinal Plant Pharmacodynamics Research

Bone cell interactions through Eph/ephrin: Bone modeling, remodeling and associated diseases

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Matsuo, Koichi, Otaki, Natsuko·2012·Cell Adhesion & Migration

Abstract

Bones cannot properly form or be maintained without cell-cell interactions through ephrin ligands and Eph receptors. Cell culture analysis and evaluation of genetic mouse models and human diseases reveal various ephrins and Eph functions in the skeletal system. Migration, attachment and spreading of mesenchymal stem cells are regulated by ephrinB ligands and EphB receptors. ephrinB1 loss-of-function is associated with craniofrontonasal syndrome (CFNS) in humans and mice. In bone remodeling, ephrinB2 is postulated to act as a "coupling stimulator." In that case, bidirectional signaling between osteoclastic ephrinB2 and osteoblastic EphB4 suppresses osteoclastic bone resorption and enhances osteoblastic bone formation, facilitating the transition between these two states. Parathyroid hormone (PTH) induces ephrinB2 in osteoblasts and enhances osteoblastic bone formation. In contrast to ephrinB2, ephrinA2 acts as a "coupling inhibitor," since ephrinA2 reverse signaling into osteoclasts enhances osteoclastogenesis and EphA2 forward signaling into osteoblasts suppresses osteoblastic bone formation and mineralization. Furthermore, ephrins and Ephs likely modulate pathological conditions such as osteoarthritis, rheumatoid arthritis, multiple myeloma and osteosarcoma. This review focuses on ephrin/Eph-mediated cell-cell interactions in bone biology.

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  • Cell-cell interaction mediated by EphrinB2 and EphB4 might be limited to the precursor stage or to the mature osteoclast stage, in which direct contact is realized with BLCs surrounding the canopy.

    “As a result the cell–cell interaction mediated by EphrinB2 and EphB4 might be limited to the precursor stage, when osteoclastogenesis and osteoblastogenesis are simultaneously regulated, or (as suggested previously253) to the mature osteoclast stage, in which direct contact is realized with the BLCs surrounding the canopy.”

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Authors
Matsuo, K., & Otaki, N.
Affiliations
Keio University (JP)
Corresponding author
Matsuo, Koichi
Venue
Cell Adhesion & Migration
Published
2012-03
Volume
6
Issue
2
Pages
148-156
ISSN
  • 1933-6918 (ISSN-L)
  • 1933-6926
OpenAlex
W2013070726
Cited by
167
References
94
Citations by year
2026: 9 · 2025: 2 · 2024: 9 · 2023: 10 · 2022: 12 · 2021: 17 · 2020: 14 · 2019: 11 · 2018: 16 · 2017: 13 · 2016: 13 · 2015: 8 · 2014: 17 · 2013: 14 · 2012: 2
FWCI
1.20
Type
journal article
Language
en
Open access
Licence
cc-by-nc
Locations
  • Cell Adhesion & Migration (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Funders
Japan Society for the Promotion of Science
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bone Metabolism and Diseases
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Axon Guidance and Neuronal Signaling
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmacology › Medicinal Plant Pharmacodynamics Research
Keywords
Eph/ephrin signaling, bone remodeling, ephrin-B2, ephrin-B1, EphB4, EphA2, osteoclastogenesis, osteogenic differentiation, parathyroid hormone, craniofrontonasal syndrome, osteoarthritis, rheumatoid arthritis, multiple myeloma, osteosarcoma, bone mineralization
MeSH terms
Animals, Bone Diseases, Cell Communication, Humans, Osteoblasts, Osteoclasts, Bone Remodeling, Receptors, Eph Family, Ephrins

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