ArticleBMC cancer2025
Neuropilin-1-target self-assembled peptide nanoparticles contribute to tumor treatment by inducing pyroptosis.
Article in BMC cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- The molecular mechanisms of pyroptosis and its implications in tumor immunotherapy.Molecular cancer · 2026Review
- Crosstalk between NRP1 and autophagy in the tumor microenvironment: from molecular mechanisms to therapeutic targeting.Frontiers in immunology · 2026Review
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Authors and funding
12 authors.
Funding
Abstract
backgroundExpression of the Neuropilin-1 (NRP1) is reported in malignant cells of multiple human tumor types represented as a tumor marker. Targeting NRP1 with a peptide, CK3, is used for tumor molecular imaging, raising the question of the therapeutic potential of CK2, a peptide with a CK3 backbone which enhanced targeting and tumor enrichment properties.
methodsThe tumor targeting and enrichment capacity of CK2 was detected by IncuCyte, flow cytometry and animal living imaging. To enhance its therapeutic efficacy, we developed a self-assembling peptide nanoparticles Fmoc-Gffy-AP-CK2, incorporating a peptide protective domain (Fmoc), a self-assemble domain (Gffy) and an anti-tumor peptide (AP). In vitro cellular assays and in vivo tumor-xenograft experiments were conducted to evaluate the anti-tumor effect of Fmoc-Gffy-AP-CK2.
resultsWhile CK3 peptide specifically targets NRP1 in vitro and in vivo, CK2 markedly achieves stronger binding with NRP1 and higher tumor accumulation. Fmoc-Gffy-AP-CK2 exhibits a potent NRP1-dependent cytotoxic effect in vitro and in vivo. Mechanically, Fmoc-Gffy-AP-CK2 triggered caspase3/gasdermin E (GSDME)-mediated pyroptosis. Fmoc-Gffy-AP-CK2 also promotes the response rate of PD-1 checkpoint blockade.
conclusionsCK2, When combined with Fmoc-Gffy-AP domain, Demonstrated high anti-tumor efficacy, Providing a novel strategy for tumor treatment.
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