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Leveraging Semiconducting Polymer Nanoparticles for Combination Cancer Immunotherapy

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Second Near-Infrared Light-Activatable Polymeric Nanoantagonist for Photothermal Immunometabolic Cancer Therapy

Cheng Xu et al.

Summary: Immunometabolic modulation through a second near-infrared (NIR-II) photothermally activatable semiconducting polymeric nanoantagonist (ASPA) provides a new approach for synergistic photothermal immunometabolic therapy of cancer. This remotely controlled immunometabolic regulation enhances cytotoxic T cell functions, suppresses regulatory T cell activities, and leads to efficient primary tumor inhibition, pulmonary metastasis prevention, and long-term immunological memory. This work offers a generic polymeric approach for precise spatiotemporal regulation of cancer immunometabolism.

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Charge-Reversal Polymer Nano-modulators for Photodynamic Immunotherapy of Cancer

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Summary: The study presents a charge-reversal polymer nano-modulator activated by tumor micro-environment for photodynamic immunotherapy of cancer. This nano-modulator regulates the balance between CTLs and Tregs, promotes dendritic cell maturation, and effectively inhibits both primary and distant tumors.

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BIOMATERIALS (2021)

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BIOMATERIALS (2021)

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FAP-Targeted Photodynamic Therapy Mediated by Ferritin Nanoparticles Elicits an Immune Response against Cancer Cells and Cancer Associated Fibroblasts

Shiyi Zhou et al.

Summary: This study developed a photodynamic therapy approach using nanoparticles specifically targeting FAP, which efficiently eradicated CAFs in tumors and induced anti-cancer immunity in murine models. Interestingly, the treatment not only elicited cellular immunity against cancer cells, but also stimulated an anti-CAFs immunity, as supported by adoptive cell transfer study.

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