ArticleInternational journal of nanomedicine2026
cRGD-Targeted Nanoparticles Co-Loaded with Ag, Quercetin and PD-L1 siRNA with Combined Antibacterial and Immunotherapeutic Functions Against
Article in International journal of nanomedicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Triple-negative breast cancer (TNBC) is an aggressive malignancy with poor prognosis, and Methods: The morphology, particle size, surface metal elements, drug content and QUE entrapment efficiency of Ag@GQDs/QUE-siP-c-L were obtained using particle size analysis, SEM, inductively coupled plasma-optical emission spectrometry (ICP-OES) and HPLC. We further detected cellular uptake, in vitro drug release, cytotoxicity, intracellular reactive oxygen species level, PD-L1 gene silencing efficiency and in vitro anti-Fn activity. Pharmacokinetics and tissue distribution of Ag and QUE were analyzed by ICP-OES and LC-MS/MS, and in vivo antitumor efficacy and biosafety were tested in Fn-colonized orthotopic 4T1 tumor mice. Results: Ag@GQDs/QUE-siP-c-L exhibited uniform spherical morphology (195.87± 15.96 nm) with high encapsulation of QUE. cRGD modification enhanced Ag/QUE cellular uptake in 4T1 cells, with pH-responsive release accelerated under tumor acidic conditions. The nanoparticles exhibited selective tumor cytotoxicity, induced oxidative stress, downregulated PD-L1 mRNA, and exerted potent anti-Fn activity in vitro. Pharmacokinetics revealed increased AUC Conclusion: Ag@GQDs/QUE-siP-c-L serves as a multimodal nanoplatform for
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