ArticleJournal of nanobiotechnology2026
Retinol-guided liposomal platform for targeted pirfenidone delivery in hepatic fibrosis.
Article in Journal of nanobiotechnology, 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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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.
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10 authors.
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Abstract
Liver fibrosis is a major contributor to global mortality due to its progressive disruption of hepatic architecture and function, and it remains a critical unmet medical need. Hepatic stellate cells (HSCs) are considered a key therapeutic target owing to their central role in fibrosis progression, primarily mediated through the TGF-β1/Smad2/3 signaling pathway. Pirfenidone (PFD), a clinically approved broad-spectrum antifibrotic agent, shows potential for repurposing in liver fibrosis therapy. However, its clinical translation is limited by poor aqueous solubility and a lack of cellular targeting specificity. To address these limitations, we developed a vitamin A-conjugated liposomal delivery system (P@GB-Lipo-VA) to enhance the liver-specific accumulation of PFD. In vitro studies demonstrated that P@GB-Lipo-VA significantly increased cellular uptake in TGF-β1-stimulated LX-2 cells and reduced oxidative stress. In a bile duct ligation (BDL)-induced mouse model of liver fibrosis, P@GB-Lipo-VA effectively alleviated collagen deposition, improved liver function, and suppressed activation of the TGF-β1/Smad signaling pathway. These findings support P@GB-Lipo-VA as a promising targeted nanotherapeutic platform for enhancing the efficacy and safety of PFD in the treatment of liver fibrosis.
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