ArticleMaterials today. Bio2024
Killing two birds with one stone: Siglec-15 targeting integrated bioactive glasses hydrogel for treatment of breast cancer bone metastasis.
Article in Materials today. Bio, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Biomaterial engineering of the tumor glycocalyx for cancer immunotherapy.Materials today. Bio · 2026Review
- Breaking the immune "cold niche" in bone metastasis: core mechanisms of the multidimensional interwoven regulatory network and precision breakthrough strategies.Molecular cancer · 2026Review
- Nanoparticle Strategies for Bone Metastasis Immunotherapy: Targeting, Immune Reprogramming and Combination Therapy.Pharmaceutics · 2026Review
- SIGLEC15 modulates the immunosuppressive microenvironment and suppresses malignant phenotypes in triple-negative breast cancer.Genes & diseases · 2026Article
- Advances in hydrogel-based materials for breast cancer bone metastasis: from targeted drug delivery to bone microenvironment remodeling.Frontiers in pharmacology · 2025Review
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Authors and funding
7 authors.
Funding
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Abstract
Bone metastasis is a fatal consequence of breast cancer that occurs when patients fail to respond to conventional therapies and mainly result from a vicious cycle involving dysregulated bone homeostasis and uncontrolled tumor growth. Recent research has underscored the significance of Siglec-15, a membrane protein implicated in immunosuppression and osteoclast generation. Targeting Siglec-15 may disrupt the "vicious cycle" that causes bone metastases in patients with breast cancer. Herein, we explored the efficacy of targeting Siglec-15 in conjunction with photothermal chemotherapy to impede the progression of bone metastatic during breast cancer and repair tumor-induced osteolysis. First, we formulated an injectable photothermal bioactive glass (BG)-based hydrogel for the local delivery of Siglec-15 shRNA and doxorubicin. The results demonstrated that the hydrogel could kill tumor cells directly through photothermal chemotherapy, provoke intense immune responses and improve the local immunosuppressive microenvironment, which could effectively prevent tumor metastasis and recurrence in a murine model. The combined effect of BGs and Siglec15 shRNA can normalize dysregulated bone homeostasis at the bone metastasis site and significantly reduced bone destruction. Overall, the use of Siglec-15-targeting integrated BG hydrogels may provide a promising therapeutic strategy for treating bone metastasis caused by breast cancer.
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