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Cold-catalytic antitumor immunity with pyroelectric black phosphorus nanosheets

Chemical science (Cambridge), 2022-06, Vol.13 (23), p.6842-6851 [Peer Reviewed Journal]

Copyright Royal Society of Chemistry 2022 ;This journal is © The Royal Society of Chemistry 2022 The Royal Society of Chemistry ;ISSN: 2041-6520 ;EISSN: 2041-6539 ;DOI: 10.1039/d2sc01894b ;PMID: 35774154

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  • Title:
    Cold-catalytic antitumor immunity with pyroelectric black phosphorus nanosheets
  • Author: Wu, Xianbo ; Wen, Mei ; Zou, Yuyan ; Gao, Xinyu ; Wei, Chuanwan ; Liu, Renyu ; Li, Jianghua ; Wang, Long ; Li, Xilong ; Liu, You-Nian ; Chen, Wansong
  • Subjects: Catalysts ; Catalytic activity ; Chemistry ; Cold treatment ; Immunity ; Nanosheets ; Phosphorus ; Temperature dependence
  • Is Part Of: Chemical science (Cambridge), 2022-06, Vol.13 (23), p.6842-6851
  • Description: Catalytic nanomedicine with the innate features of catalysts brings incomparable properties to biomedicine over traditional drugs. The temperature-dependent activity of catalysts provides catalytic nanomedicines with a facile strategy to control their therapeutic performance. Tuning catalytic nanomedicine by cold treatment (4-37 °C) is safe and desired for practical applications, but there is a lack of cold-catalytic platforms. Herein, with black phosphorus (BP) as a model pyroelectric nanocatalyst, we explored the potential of cold-catalysts for antitumor therapy. BP nanosheets with pyro-catalytic activity catalyze the generation of oxidative stress to activate antitumor immunity under cold treatment. Due to the cold-catalytic immunomodulation, immune memory was successfully achieved to prevent tumor metastasis and recurrence. Considering the safety and conductive depth (>10 mm) of cold in the body, pyroelectric nanocatalysts open up exciting opportunities for the development of cold-catalytic nanomedicine. Cold-catalytic nanomedicine and the concept of cold-catalytic immunotherapy are explored with black phosphorus as a model cold catalyst.
  • Publisher: Cambridge: Royal Society of Chemistry
  • Language: English
  • Identifier: ISSN: 2041-6520
    EISSN: 2041-6539
    DOI: 10.1039/d2sc01894b
    PMID: 35774154
  • Source: PubMed Central
    DOAJ Directory of Open Access Journals
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