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Updated: Dec 8, 2025
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Models of Bone Metastasis
Published on: September 4, 2012
42.8K
Thrombospondins in bone remodeling and metastatic bone disease
Laura Carminati1, Giulia Taraboletti1
1Laboratory of Tumor Microenvironment, Department of Oncology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy.
American Journal of Physiology. Cell Physiology
|September 16, 2020
Summary
Thrombospondins (TSPs) influence bone remodeling and cancer metastasis. These proteins modulate osteoclasts and osteoblasts, impacting skeletal tumor growth and spread.
Area of Science:
- Biochemistry
- Cell Biology
- Oncology
Background:
- Thrombospondins (TSPs) are matricellular proteins involved in tissue remodeling.
- TSPs play critical roles in both normal physiology and pathological conditions like cancer metastasis.
- They are particularly implicated in bone remodeling, affecting osteolysis and osteogenesis.
Purpose of the Study:
- To review the role of TSP family members in the bone microenvironment.
- To focus on TSP activity in osteoclast and osteoblast function during bone remodeling.
- To present evidence for TSP involvement in skeletal cancer metastasis.
Main Methods:
- Literature review and synthesis of existing research on Thrombospondins.
- Analysis of TSP interactions with bone cells (osteoclasts and osteoblasts).
- Examination of TSP influence on bone metastasis in various cancers.
Main Results:
- Each TSP family member exhibits distinct effects on bone cell differentiation and activity.
- TSPs significantly modulate the bone metastasis microenvironment.
- Different TSPs contribute to the development and progression of osteolytic and osteoblastic metastases.
Conclusions:
- Thrombospondins are key regulators of bone remodeling and skeletal metastasis.
- Understanding TSP functions offers insights into targeting bone metastases.
- TSP modulation of osteoclast and osteoblast activity is crucial in cancer progression.
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