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Related Experiment Video

Updated: Jun 23, 2026

A Preclinical Mouse Model of Osteosarcoma to Define the Extracellular Vesicle-mediated Communication Between Tumor and Mesenchymal Stem Cells

A Preclinical Mouse Model of Osteosarcoma to Define the Extracellular Vesicle-mediated Communication Between Tumor and Mesenchymal Stem Cells

Published on: May 6, 2018

Reprogramming adoptive cell therapy for osteosarcoma: engineering, vaccination, and tumor microenvironment

Shiguo Zuo¹, Na Cheng², Zhiying Hou¹

¹Department of Spine Surgery, Qianxinan Autonomous Prefecture Hospital of Traditional Chinese Medicine, Xingyi, Guizhou, China.

Frontiers in Immunology

|June 22, 2026

Summary

This summary is machine-generated.

Next-generation adoptive cell therapy (ACT) shows promise for treating osteosarcoma. Innovations in cell engineering, vaccination, and microenvironment remodeling aim to improve safety and efficacy for recurrent or metastatic disease.

Keywords:

CAR-T cells adoptive cell therapy antigen heterogeneity cellular engineering immunotherapy osteosarcoma tumor microenvironment vaccination

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Generation of CAR T Cells for Adoptive Therapy in the Context of Glioblastoma Standard of Care

Generation of CAR T Cells for Adoptive Therapy in the Context of Glioblastoma Standard of Care

Published on: February 16, 2015

Area of Science:

Immunology
Oncology
Biotechnology

Background:

Osteosarcoma presents significant treatment challenges, particularly in recurrent, refractory, or metastatic cases.
Adoptive cell therapy (ACT) offers a promising strategy, but faces hurdles like antigen heterogeneity, toxicity, and immunosuppression.

Purpose of the Study:

To review emerging innovations in ACT for osteosarcoma.
To discuss strategies for overcoming safety and efficacy barriers in osteosarcoma treatment.

Main Methods:

Engineering strategies: multi-antigen recognition, logic-gated systems, suicide switches, transient expression, cytokine circuits, checkpoint resistance, chemokine modification.
Vaccination approaches: enhancing in vivo expansion, immune memory, antigen spreading, and local inflammation.
Tumor microenvironment remodeling: stromal modulation, vascular normalization, myeloid reprogramming, checkpoint blockade, metabolic intervention.

Main Results:

Engineered T cells and NK cells can be designed for improved precision, control, and durability.
Vaccines can amplify ACT efficacy by promoting expansion and immune memory.
Modifying the tumor microenvironment can create a more receptive niche for cellular therapies.

Conclusions:

Next-generation ACT for osteosarcoma requires integrated approaches combining cellular engineering, vaccine boosting, and microenvironment remodeling.
Modular, biomarker-guided combinations are key for safer and more durable antitumor responses in osteosarcoma.