Cited by 1,272Bone Metabolism and DiseasesBone health and osteoporosis researchBone health and treatments

Disorders of Bone Remodeling

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Feng, Xu, McDonald, Jay M.·2011·Annual Review of Pathology: Mechanisms of Disease

Abstract

The skeleton provides mechanical support for stature and locomotion, protects vital organs, and controls mineral homeostasis. A healthy skeleton must be maintained by constant bone modeling to carry out these crucial functions throughout life. Bone remodeling involves the removal of old or damaged bone by osteoclasts (bone resorption) and the subsequent replacement of new bone formed by osteoblasts (bone formation). Normal bone remodeling requires a tight coupling of bone resorption to bone formation to guarantee no alteration in bone mass or quality after each remodeling cycle. However, this important physiological process can be derailed by a variety of factors, including menopause-associated hormonal changes, age-related factors, changes in physical activity, drugs, and secondary diseases, which lead to the development of various bone disorders in both women and men. We review the major diseases of bone remodeling, emphasizing our current understanding of the underlying pathophysiological mechanisms.

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Crossref · 10.1146/annurev-pathol-011110-130203

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  • OPG, a soluble receptor also produced by osteoblasts that acts as a decoy receptor and neutralizes RANKL, prevents RANKL from interacting with RANK and consequently inhibits osteoclast proliferation, activity, and survival.

    “OPG, a soluble receptor also produced by osteoblasts that acts as a decoy receptor and neutralizes RANKL, prevents RANKL from interacting with RANK and consequently inhibits osteoclast proliferation, activity, and survival [73, 74].”

    From The Effect of Tobacco Smoking on Bone Mass: An Overview of Pathophysiologic Mechanisms (2018) · cites this paper as [73]

    In the Postmenopausal Osteoporosis section (page not provided), the paper describes OPG as a soluble decoy receptor that competes with RANK for RANKL and says OPG is derived primarily from osteoblast-lineage cells. It says RANKL stimulates osteoclast formation, activation, and survival, but does not specifically establish that OPG inhibits osteoclast proliferation; formation is not necessarily proliferation. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • Once RANKL binds to its natural receptor, expressed by osteoclast precursor cells, it stimulates osteoclast precursor differentiation to active mature osteoclasts and accelerates bone resorption.

    “Once RANKL binds to its natural receptor, expressed by osteoclast precursor cells, it stimulates osteoclast precursor differentiation to active mature osteoclasts and accelerates bone resorption [73].”
  • Abnormal increase in osteoclast formation and activity leads to bone diseases such as osteoporosis, where resorption exceeds formation causing decreased bone density and increased bone fractures.

    “Abnormal increase in osteoclast formation and activity leads to some bone diseases such as osteoporosis, where resorption exceeds formation causing decreased bone density and increased bone fractures [105].”
  • In patients with chronic liver disease, the balance between osteoclasts and osteoblasts is affected by liver disease, resulting in bone remodeling unit imbalance.

    “In patients with chronic liver disease, the balance between osteoclasts and osteoblasts is affected by liver disease, resulting in BRU imbalance [46,50].”

    From Bone diseases in patients with chronic liver disease (2019) · cites this paper as [46]

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Authors
Feng, X., & McDonald, J. M.
Affiliations
University of Alabama at Birmingham (US)
Venue
Annual Review of Pathology: Mechanisms of Disease
Published
2011-02-28
Volume
6
Issue
1
Pages
121-145
ISSN
  • 1553-4006 (ISSN-L)
  • 1553-4014
OpenAlex
W2166266977
Cited by
1,272
References
171
Citations by year
2026: 59 · 2025: 109 · 2024: 102 · 2023: 124 · 2022: 135 · 2021: 142 · 2020: 107 · 2019: 117 · 2018: 86 · 2017: 68 · 2016: 59 · 2015: 47 · 2014: 36 · 2013: 37 · 2012: 29
FWCI
3.28
Type
journal article
Language
en
Open access
Locations
  • Annual Review of Pathology Mechanisms of Disease (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Cancer Institute (R01CA109119)
  • National Institute of Neurological Disorders and Stroke (R21NS061677, NS061677)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (5P30 AR0406031, R01AR047830, AR 47830, R01AR050235)
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 › Oncology › Bone health and treatments
Keywords
bone remodeling, bone resorption, bone formation, osteoclasts, osteoblasts, bone disease, menopause, hormonal changes, age-related bone loss, physical activity, drug-induced bone loss, mineral homeostasis, pathophysiology
MeSH terms
Animals, Bone Diseases, Humans, Bone Remodeling

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