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Updated: Dec 29, 2025
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A Novel in vivo Gene Transfer Technique and in vitro Cell Based Assays for the Study of Bone Loss in Musculoskeletal Disorders
Published on: June 8, 2014
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Osteopontin in Bone Metabolism and Bone Diseases
Jinyan Si1,2, Chaowei Wang1,2, Denghui Zhang1,2
1Affiliated Hospital of Stomatology, Medical College, Zhejiang University, Hangzhou, Zhejiang, China (mainland).
Summary
Osteopontin (OPN) is crucial for bone metabolism and homeostasis, influencing cell activities and bone diseases like osteoporosis. This review explores OPN
Area of Science:
- Biochemistry and Molecular Biology
- Cell Biology
- Bone Biology and Disease
Background:
- Osteopontin (OPN), a secreted phosphoprotein and member of the SIBLING family, plays diverse biological roles.
- OPN is recognized for its significant involvement in bone metabolism and maintaining bone homeostasis.
- Its functions extend to regulating cell proliferation, migration, and adhesion in key bone cells.
Purpose of the Study:
- To elucidate the mechanisms by which Osteopontin (OPN) regulates bone metabolism.
- To explore the role of OPN in the pathogenesis of various bone-related diseases.
- To highlight OPN as a focal point of research in bone biology.
Main Methods:
- Review of existing literature on Osteopontin (OPN) function in bone.
- Analysis of OPN's involvement in cellular processes of bone-related cells.
- Examination of OPN's association with bone disease development.
Main Results:
- OPN is integral to neuron-mediated and endocrine regulation of bone mass.
- OPN influences the behavior of bone marrow mesenchymal stem cells, hematopoietic stem cells, osteoclasts, and osteoblasts.
- OPN is closely linked to the development of osteoporosis, rheumatoid arthritis, and osteosarcoma.
Conclusions:
- Osteopontin (OPN) is a key regulator of bone metabolism and homeostasis.
- Understanding OPN's mechanisms is vital for addressing bone diseases.
- OPN's multifaceted roles make it a significant area of ongoing research.
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