Cited by 128Bone Metabolism and DiseasesBone health and treatmentsOsteomyelitis and Bone Disorders Research

Mutation of the sequestosome 1 (p62) gene increases osteoclastogenesis but does not induce Paget disease

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Kurihara, Noriyoshi, Hiruma, Yuko, Zhou, Hua, Subler, Mark A., Dempster, David W., Singer, Frederick R., Reddy, Sakamuri V., Gruber, Helen E. +2 more·2007·Journal of Clinical Investigation

Abstract

Paget disease is the most exaggerated example of abnormal bone remodeling, with the primary cellular abnormality in the osteoclast. Mutations in the p62 (sequestosome 1) gene occur in one-third of patients with familial Paget disease and in a minority of patients with sporadic Paget disease, with the P392L amino acid substitution being the most commonly observed mutation. However, it is unknown how p62(P392L) mutation contributes to the development of this disease. To determine the effects of p62(P392L) expression on osteoclasts in vitro and in vivo, we introduced either the p62(P392L) or WT p62 gene into normal osteoclast precursors and targeted p62(P392L) expression to the osteoclast lineage in transgenic mice. p62(P392L)-transduced osteoclast precursors were hyperresponsive to receptor activator of NF-kappaB ligand (RANKL) and TNF-alpha and showed increased NF-kappaB signaling but did not demonstrate increased 1,25-(OH)(2)D(3) responsivity, TAF(II)-17 expression, or nuclear number per osteoclast. Mice expressing p62(P392L) developed increased osteoclast numbers and progressive bone loss, but osteoblast numbers were not coordinately increased, as is seen in Paget disease. These results indicate that p62(P392L) expression on osteoclasts is not sufficient to induce the full pagetic phenotype but suggest that p62 mutations cause a predisposition to the development of Paget disease by increasing the sensitivity of osteoclast precursors to osteoclastogenic cytokines.

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  • Overexpression of SQSTM1 variants carrying disease-associated mutations in the UBA domain exhibits a PDB-like skeletal disorder and impaired spatial learning and long-term memory.

    “On the other hand, overexpression of SQSTM1 variants carrying disease-associated mutations in the UBA domain exhibit a PDB-like skeletal disorder [138,139] as well as impaired spatial learning and long-term memory [140].”

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Authors
Kurihara, N., Hiruma, Y., Zhou, H., Subler, M. A., Dempster, D. W., Singer, F. R., Reddy, S. V., Gruber, H. E., Windle, J. J., & Roodman, G. D.
Affiliations
  • VA Pittsburgh Healthcare System (US)
  • University of Pittsburgh (US)
  • Virginia Commonwealth University (US)
  • Columbia University (US)
  • Medical University of South Carolina (US)
  • Carolinas Medical Center (US)
Corresponding author
Kurihara, Noriyoshi
Venue
Journal of Clinical Investigation
Published
2007-01-02
Volume
117
Issue
1
Pages
133-142
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2116217447
Cited by
127
References
25
Citations by year
2025: 2 · 2024: 1 · 2023: 4 · 2022: 3 · 2021: 5 · 2020: 2 · 2019: 5 · 2018: 5 · 2017: 4 · 2016: 4 · 2015: 5 · 2014: 9 · 2013: 8 · 2012: 7
FWCI
4.48
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • University of Pittsburgh
  • National Institutes of Health (UL1TR000005, CA16059)
  • VA Pittsburgh Healthcare System
  • National Cancer Institute (P30CA16059, P30CA016059)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (P01AR049363)
  • National Center for Advancing Translational Sciences
  • Medical Research and Materiel Command
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bone Metabolism and Diseases
  • Health Sciences › Medicine › Oncology › Bone health and treatments
  • Health Sciences › Medicine › Rheumatology › Osteomyelitis and Bone Disorders Research
Keywords
p62, Paget disease, osteoclastogenesis, osteoclasts, bone remodeling, RANKL, NF-κB signaling, TNF-α, 1,25-dihydroxyvitamin D3, transgenic mice, bone loss, osteoclast precursors
MeSH terms
Sequestosome-1 Protein, Calcitriol, Cell Division, Humans, Mutation, Osteitis Deformans, Osteoclasts, Proteins, Tumor Necrosis Factor-alpha, Gene Transfer Techniques, Genetic Predisposition to Disease, Adaptor Proteins, Signal Transducing, RANK Ligand

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