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Nanoplatforms for Cancer Theranostics / Ferroptosis and Cancer Prognosis · Journal article
Bioactive Materials · August 12, 2026
Raises a question worth testing. It does not answer one.
This is a preclinical mechanistic study describing a novel cerium molybdate-doped polyaniline nanoparticle platform designed to synergize chemodynamic, photothermal, and ferroptotic pathways in experimental tumor models. The work demonstrates proof-of-concept at the cellular and animal level but provides no quantified efficacy data, no comparison to standard therapy, and no clinical applicability.
Preclinical mechanistic study. Experimental tumor models (implied in vivo); no human subjects or clinical population.. Intervention: Cerium molybdate-doped polyaniline nanoparticles (MoCe@PANI NPs) with NIR-II laser irradiation.
MoCe@PANI nanoparticles deplete intracellular GSH and generate ROS via Ce4+/Mo5+/Mo6+-mediated redox cycles NIR-II laser irradiation induces localized hyperthermia and accelerates Fenton-like reaction kinetics Combinatorial strategy activates tumor-associated immune responses and elicits systemic abscopal effect against distant metastases
Safety was not reported in the material analysed. Check the source before drawing any conclusion about harm.
The source did not state who this applies to in practice.
This is a preclinical mechanistic study of a novel nanoparticle in an experimental system; it demonstrates proof-of-concept but lacks clinical translation, human data, or controlled comparison to standard therapy.
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Chemodynamic therapy (CDT) holds great promise for tumor treatment by catalyzing endogenous hydrogen peroxide (H 2 O 2 ) into cytotoxic reactive oxygen species (ROS). However, its efficacy is severely compromised by glutathione (GSH)-mediated ROS scavenging and intrinsically slow reaction kinetics. To address these limitations, we developed cerium molybdate-doped polyaniline nanoparticles (MoCe@PANI NPs) to enable a synergistic combination of photothermal therapy (PTT) and CDT, thereby triggering immunogenic cell death (ICD) and enhancing antitumor immunity. Mechanistically, MoCe@PANI NPs deplete intracellular GSH and generate abundant ROS via Ce 4+ /Mo 5+ /Mo 6+ -mediated redox cycles, leading to mitochondrial dysfunction and amplified ferroptosis. Crucially, near-infrared II (NIR-II) laser irradiation induces localized hyperthermia, which simultaneously executes PTT and accelerates the Fenton-like reaction kinetics, further intensifying ferroptotic cell death. This combinatorial strategy effectively activates tumor-associated immune responses, achieving effective ablation of primary tumors and eliciting a systemic abscopal effect that suppresses untreated distant metastases. Collectively, this study presents a robust nanoplatform integrating chemodynamic and photothermal therapies for potent cancer immunotherapy.
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