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Updated: Aug 8, 2025

Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma
Published on: April 12, 2019
Managing the immune microenvironment of osteosarcoma: the outlook for osteosarcoma treatment
Hailong Tian1, Jiangjun Cao1, Bowen Li1
1State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China.
Abstract:
Osteosarcoma, with poor survival after metastasis, is considered the most common primary bone cancer in adolescents. Notwithstanding the efforts of researchers, its five-year survival rate has only shown limited improvement, suggesting that existing therapeutic strategies are insufficient to meet clinical needs. Notably, immunotherapy has shown certain advantages over traditional tumor treatments in inhibiting metastasis. Therefore, managing the immune microenvironment in osteosarcoma can provide novel and valuable insight into the multifaceted mechanisms underlying the heterogeneity and progression of the disease. Additionally, given the advances in nanomedicine, there exist many advanced nanoplatforms for enhanced osteosarcoma immunotherapy with satisfactory physiochemical characteristics. Here, we review the classification, characteristics, and functions of the key components of the immune microenvironment in osteosarcoma. This review also emphasizes the application, progress, and prospects of osteosarcoma immunotherapy and discusses several nanomedicine-based options to enhance the efficiency of osteosarcoma treatment. Furthermore, we examine the disadvantages of standard treatments and present future perspectives for osteosarcoma immunotherapy.
Insights
Osteosarcoma immunotherapy shows promise for improving survival rates in adolescents. Nanomedicine offers advanced platforms to enhance treatment by targeting the tumor
Area of Science:
- Oncology
- Immunology
- Nanomedicine
Background:
- Osteosarcoma is the most common primary bone cancer in adolescents, with poor survival rates post-metastasis.
- Current therapeutic strategies show limited improvement, highlighting the need for novel treatments.
- Immunotherapy presents advantages over traditional methods, particularly in inhibiting metastasis.
Purpose of the Study:
- To review key components of the osteosarcoma immune microenvironment.
- To emphasize the application, progress, and prospects of osteosarcoma immunotherapy.
- To discuss nanomedicine-based strategies for enhancing osteosarcoma treatment efficacy.
Main Methods:
- Review of literature on osteosarcoma immune microenvironment.
- Analysis of current osteosarcoma immunotherapy approaches.
- Evaluation of nanomedicine applications in cancer treatment.
Main Results:
- Key components of the osteosarcoma immune microenvironment and their functions are classified.
- Advances in nanomedicine provide platforms for enhanced immunotherapy.
- Nanomedicine-based options show potential for improving osteosarcoma treatment efficiency.
Conclusions:
- Managing the immune microenvironment is crucial for understanding osteosarcoma heterogeneity and progression.
- Nanomedicine-based immunotherapy offers a promising avenue for improving osteosarcoma treatment outcomes.
- Future perspectives focus on overcoming standard treatment limitations through innovative immunotherapy strategies.
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