ArticleAAPS PharmSciTech2022
Albumin-Embellished Arsenic Trioxide-Loaded Polymeric Nanoparticles Enhance Tumor Accumulation and Anticancer Efficacy via Transcytosis for Hepatocellular Carcinoma Therapy.
Article in AAPS PharmSciTech, 2022. 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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6 authors at 2 institutions in 1 country.
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Abstract
Arsenic trioxide (ATO) has efficient anticancer effect on hepatocellular carcinoma (HCC) in clinical trials, but its off-target distribution and side effects have limited its use. Here, we demonstrate an albumin-embellished ATO-loaded polyethylene glycol-polycaprolactone-polyethyleneimine (PEG-PCL-PEI) nanoparticle (AATONP) to enhance the tumor distribution and intratumor drug release of ATO for HCC therapy. AATONP is prepared by surface embellishment with albumin on the cationic ATO-loaded PEG-PCL-PEI nanoparticles (CATONP). Albumin embellishment can reduce the cationic material's hemolytic toxicity in blood cells while maintaining the rapid internalization and lysosome escape abilities of the positively charged CATONP. AATONP provides sustained and low pH-responsive drug release, facilitating the targeted drug release in the intratumor acidic microenvironment. Moreover, AATONP can significantly improve the circulation time and tumor distribution of ATO via albumin-mediated transcytosis in HCC tumor-bearing mice. Compared with free ATO and the clinically used nanomedicine Genexol/PM, AATONP shows potent antitumor activity against a human HCC xenograft mouse model, leading to a higher tumor inhibition rate of 89.4% in HCC therapy. In conclusion, this work presents an efficient strategy to achieve tumor accumulation and the intratumor drug release of ATO for HCC therapy. An albumin-embellished arsenic trioxide (ATO)-loaded polyethylene glycol-polycaprolactone-polyethyleneimine nanoparticle (AATONP) is designed to enhance tumor distribution and intratumor drug release of ATO for hepatocellular carcinoma therapy. AATONP can achieve enhanced tumor distribution via albumin-mediated transcytosis and exhibit intratumor drug release of ATO via tumor acidic microenvironment-response, leading to potent antitumor activity.
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