ArticleMedicine and pharmacy reports2025
Targeted photothermal therapy of hepatocellular carcinoma using gold nanoparticles functionalized with anti-cadherin and folic acid in a validated murine model.
Article in Medicine and pharmacy reports, 2025. 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
Background: Hepatocellular carcinoma (HCC) remains a major therapeutic challenge with limited treatment options. Nanotechnology, particularly the use of gold nanoparticles (GNPs), offers new perspectives for targeted photothermal therapies. Objective: This study aimed to develop and evaluate the effectiveness of nanomediated photothermal therapy (PTT) using GNP functionalized with folate and anti-Cadherin-1 antibodies (Cad-1) in the treatment of HCC in a validated murine model. Methods: A bionanosystem composed of gold nanoparticles conjugated with polyethyleneimine (PEI), folic acid (FA), and Cad-1 was synthesized and characterized. A HCC murine model was induced by administration of diethylnitrosamine and carbon tetrachloride. After tumor confirmation, animals were divided into four groups and treated with different doses of the nanoconstruct, followed by near-infrared (NIR) laser irradiation (808 nm). A total of 16 animals were allocated into four experimental groups (n = 4 per group). Histological analysis and serum biochemical assays (aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP) and gamma-glutamyl transferase (GGT)) were performed. Results: The treatment induced focal coagulative necrosis within tumor regions, with minimal impact on surrounding healthy liver tissue. Significant reductions in AST and GGT levels were observed in animals treated with higher doses (p < 0.05), confirming the efficacy and selectivity of the therapy. Immunohistochemistry confirmed E-cadherin overexpression in tumor tissue, suggesting a possible diagnosic potential for the targeting system. Conclusion: The GNPs-PEI-FA-Cad-1 system demonstrated promising results for targeted photothermal therapy in HCC, with selective tumor ablation and limited hepatotoxicity. The validated murine model provides a robust platform for preclinical assessment of similar nanotherapies.
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