ArticleMaterials today. Bio2025
Ultrasound-activated miR-195-5p/shikonin nanobubbles remodel immunosuppressive microenvironment
Article in Materials today. Bio, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed.
- Nanomedicine targeting ECM stiffness: restoring mechanical homeostasis for cancer immunotherapy.Materials today. Bio · 2026Review
- A Self-Immunoregulatory Nanosensitizer for Sonodynamic Cancer Therapy.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Shikonin in Hepatocellular Carcinoma: Bridging Metabolic Disruption and Immunomodulation.Journal of hepatocellular carcinoma · 2026Review
- Induction of immunogenic cell death by active components of natural products reshaping the tumor microenvironment for enhanced antitumor immunity.Frontiers in pharmacology · 2026Review
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Despite the transformative clinical impact of programmed cell death ligand 1/programmed death 1 (PD-1/PD-L1) blockade in hepatocellular carcinoma (HCC), therapeutic efficacy remains limited by the tumor immunosuppressive microenvironment (TIME), with objective response rates persistently below 20 %. To address this critical clinical challenge, we engineered ultrasound (US)-responsive lipid nanobubbles (NBs) co-encapsulating microRNA (miR)-195-5p and shikonin (SK) (designated miR-195-5p/SK-NBs), a dual-functional platform designed to synergize PD-L1 suppression with immunogenic cell death (ICD). The NBs exhibited tumor-selective accumulation through passive and active targeting mechanisms while maintaining biosafety. US-triggered microbubble destruction enabled localized miR-195-5p delivery, achieving PD-L1 downregulation and functionally recapitulating PD-1/PD-L1 blockade. Concurrently, SK-a naphthoquinone compound repurposed as a potent ICD inducer-overcame the systemic toxicity and solubility limitations through NBs-mediated delivery, triggering robust release of damage-associated molecular patterns, including adenosine triphosphate, surface-exposed calreticulin, and secreted high-mobility group box 1 protein. In subcutaneous HCC models, miR-195-5p/SK-NBs reprogrammed the TIME by enhancing splenic lymphocyte proliferation, increasing cytotoxic CD8
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