Cited by 2,287Bone Metabolism and DiseasesBone health and osteoporosis researchBone and Dental Protein Studies

The amazing osteocyte

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Bonewald, Lynda F·2011·Journal of Bone and Mineral Research

Abstract

The last decade has provided a virtual explosion of data on the molecular biology and function of osteocytes. Far from being the “passive placeholder in bone,” this cell has been found to have numerous functions, such as acting as an orchestrator of bone remodeling through regulation of both osteoclast and osteoblast activity and also functioning as an endocrine cell. The osteocyte is a source of soluble factors not only to target cells on the bone surface but also to target distant organs, such as kidney, muscle, and other tissues. This cell plays a role in both phosphate metabolism and calcium availability and can remodel its perilacunar matrix. Osteocytes compose 90% to 95% of all bone cells in adult bone and are the longest lived bone cell, up to decades within their mineralized environment. As we age, these cells die, leaving behind empty lacunae that frequently micropetrose. In aged bone such as osteonecrotic bone, empty lacunae are associated with reduced remodeling. Inflammatory factors such as tumor necrosis factor and glucocorticoids used to treat inflammatory disease induce osteocyte cell death, but by different mechanisms with potentially different outcomes. Therefore, healthy, viable osteocytes are necessary for proper functionality of bone and other organs. © 2011 American Society for Bone and Mineral Research.

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Research works printed but not linked: 3

  1. [10]Parfitt AM BK H Bone-forming cells in Clinical Conditions Bone. The Osteoblast and Osteocyte 1990 1 Boca Raton, Fl Telford Press and CRC Press 351 429
  2. [39]Bonewald L Marcus DF R Nelson D Rosen C Osteocytes Osteoporosis 2007 1 3rd ed Elsevier 169 190
  3. [79]Qing H Ardeshirpour L Dusevich V Wysolmerski J Bonewald LF Osteocyte Perilacunar Remodeling Is Regulated Hormonally, but Not by Mechanical Unloading Journal of Bone & Mineral Research. 2009 supple 1 Mo0255

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Authors
Bonewald, L. F.
Affiliations
University of Missouri–Kansas City (US)
Corresponding author
Bonewald, Lynda F
Venue
Journal of Bone and Mineral Research
Published
2010-12-16
Volume
26
Issue
2
Pages
229-238
ISSN
  • 0884-0431 (ISSN-L)
  • 1523-4681
OpenAlex
W2019582558
Cited by
2,287
References
107
Citations by year
2026: 134 · 2025: 136 · 2024: 140 · 2023: 152 · 2022: 159 · 2021: 160 · 2020: 186 · 2019: 189 · 2018: 137 · 2017: 149 · 2016: 128 · 2015: 165 · 2014: 130 · 2013: 147 · 2012: 133
FWCI
8.96
Type
journal article
Language
en
Open access
Locations
  • Journal of Bone and Mineral Research (publishedVersion)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
National Institute of Arthritis and Musculoskeletal and Skin Diseases (P01AR046798, RC2AR058962, AR 46798)
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
  • Health Sciences › Medicine › Rheumatology › Bone and Dental Protein Studies
Keywords
osteocytes, bone remodeling, osteoclast regulation, phosphate metabolism, calcium availability, bone aging, TNF-α, glucocorticoids
MeSH terms
Animals, Bone and Bones, Calcium, Cell Survival, Glucocorticoids, Humans, Inflammation, Models, Biological, Osteocytes, Phosphates, Tumor Necrosis Factor-alpha, Bone Remodeling, Mice

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