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Fabrication of An Immunostimulatory Supramolecular Nanomedicine for Potent Cancer Chemoimmunotherapy

  • Xinyang Yu
  • , Shaolong Qi
  • , Fangfang Cao
  • , Kai Yang
  • , Hongjian Li
  • , Kun Peng
  • , Zhida Liu*
  • , Bing Bai
  • , Marija Buljan*
  • , Xiaoyuan Chen*
  • , Guocan Yu*
  • *Corresponding author for this work
  • Tsinghua University
  • National University of Singapore
  • Shanxi Academy of Advanced Research and Innovation
  • Swiss Federal Laboratories for Materials Science and Technology (Empa)

Research output: Contribution to journalArticlepeer-review

Abstract

Chemoimmunotherapy can boost strong antitumor immune responses by triggering immunogenic cell death (ICD), which highlights a promising prospect in clinical applications. However, current chemoimmunotherapy shows limited efficacy due to the low delivery efficiency and insufficient immunogenicity of available chemotherapeutic drugs. A supramolecular polymeric nanomedicine (Pt-Tu@NP) is herein reported using cucurbit[7]uril-based host-guest recognition and noncovalent self-assembly. Pt-Tu@NPs have excellent biodistribution and strongly evoke the endoplasmic reticulum stress-mediated ICD of tumor cells, triggering potent antitumor immune responses by promoting dendritic cell (DC) maturation and cytotoxic T cell infiltration. The coordinated butyrate promotes a positive feedback regulation between DCs and CD8+ T cells. Pt-Tu@NPs stimulate immune cold tumors into hot ones, working in synergy with an immune checkpoint blockade to effectively suppress tumor growth and metastasis, which suggests a promising approach for cancer chemoimmunotherapy.

Original languageEnglish
Pages (from-to)3181-3193
Number of pages13
JournalJACS Au
Volume3
Issue number11
DOIs
StatePublished - 27 Nov 2023
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • cancer immunotherapy
  • endoplasmic reticulum stress
  • host−guest chemistry
  • immunogenic cell death
  • supramolecular nanomedicine

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