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Updated: Sep 11, 2025
A Real-time Potency Assay for Chimeric Antigen Receptor T Cells Targeting Solid and Hematological Cancer Cells
Published on: November 12, 2019
Harnessing chimeric antigen receptor macrophages against solid tumors
Mengru Wang1, Zhen Qin1, Xiu-Wu Bian1,2
1Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), the Key Laboratory of Tumor Immunopathology, the Ministry of Education of China, Chongqing, P. R. China.
Chimeric antigen receptor macrophages (CAR-Ms) show promise in cancer immunotherapy by enhancing tumor cell destruction and activating immune responses. This approach offers a new strategy against difficult-to-treat solid tumors.
Area of Science:
- Immunology
- Oncology
- Biotechnology
Background:
- Macrophages are key immune cells found in tumors with diverse functions.
- Reprogramming macrophage phenotypes is a promising cancer immunotherapy strategy.
- Chimeric antigen receptors (CARs) engineered into macrophages enhance anti-tumor activity.
Purpose of the Study:
- To review the design, advances, and combination strategies of CAR macrophages (CAR-Ms).
- To highlight emerging clinical evidence from CAR-M trials.
- To explore CAR-M applications in non-tumorous diseases and future trends.
Main Methods:
- Engineering CARs into macrophages to enhance phagocytosis and anti-tumor immunity.
- Analyzing CAR-M mechanisms including cytokine secretion and antigen presentation.
- Reviewing current clinical trial data and preclinical research.
Main Results:
- CAR macrophages (CAR-Ms) demonstrate efficacy in tumor-targeted phagocytosis.
- CAR-Ms activate cytotoxic T lymphocytes by secreting pro-inflammatory cytokines and presenting tumor antigens.
- CAR-Ms show potential against therapy-refractory solid malignancies.
Conclusions:
- CAR-Ms are potent immunotherapeutic agents for solid tumors.
- CAR-M development, combined with new technologies, offers new avenues for cancer immunotherapy.
- CAR-Ms may also have applications in non-tumorous diseases.
