Biomimetic-Nanoparticle-Enhanced Photothermal Immunotherapy: Targeted Delivery of Near-Infrared Region II Agents and Immunoadjuvants for Tumor Immunogenicity

Overview

Journal Biomater Res

Specialty Biomedical Engineering

Date 2025 Mar 5

PMID 40040955

Authors

Yanlu Yu

Wen Li

Qiqi Yu

Jingtao Ye

Hu Wang

Yang Li

Shouchun Yin

Affiliations

Soon will be listed here.

Abstract

Advancing at the cutting edge of oncology, the synergistic application of photothermal therapy coupled with immunotherapy is rapidly establishing itself as an innovative and potent strategy against cancer. A critical challenge in this domain is the precise and efficient targeting of tumor tissues with photothermal agents and immunoadjuvants while minimizing interference with healthy tissues. In this paper, we introduce an ingenious biomimetic nanoparticle platform, cancer cell membrane coated F127/(R837 and IR1048) (CFRI) nanoparticles encapsulating a near-infrared region II photothermal agent, IR1048, and an immunostimulatory molecule, R837, with their surface modified using membranes derived from tumor cells, conferring exceptional specificity for tumor targeting. CFRI nanoparticles demonstrated an extraordinary photothermal conversion efficiency of 49%, adeptly eradicating in situ tumors. This process also triggered the release of damage-associated molecular patterns, thereby activating dendritic cells and catalyzing the maturation and differentiation of T cells, initiating a robust immune response. In vivo animal models substantiated that the CFRI-mediated synergistic photothermal and immunotherapeutic strategy markedly suppressed the proliferation of in situ tumors and provoked a vigorous systemic immune response, effectively curtailing the metastasis and recurrence of distant tumors. The successful development of the CFRI nanoparticle system offers a promising horizon for future clinical translations and pioneering research in oncology.

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