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Published in: Cancer Chemotherapy and Pharmacology 6/2019

01-06-2019 | Original Article

Investigation of anti-tumor effect of doxorubicin-loaded human serum albumin nanoparticles prepared by a desolvation technique

Authors: Kotaro Kimura, Keishi Yamasaki, Koji Nishi, Kazuaki Taguchi, Masaki Otagiri

Published in: Cancer Chemotherapy and Pharmacology | Issue 6/2019

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Abstract

Purpose

Nanoparticles of human serum albumin (HSA) prepared using a desolvation method possess sizes suitable for tumor accumulation. Here, we report on an investigation of the anti-tumor effects and biodistribution of doxorubicin–HSA nanoparticles in vitro and in vivo.

Methods

The cytotoxicity of nanoparticles was evaluated in 2D and 3D colon 26 cell cultures. Furthermore, the biodistribution and the anti-tumor activity of nanoparticles in colon 26-bearing mice were investigated. Assessments on the effect on metastasis and the toxicity were also carried out.

Results

Doxorubicin–HSA nanoparticles showed cytotoxicity in colon 26 cancer cell cultures, although the cytotoxicity was less in the case of nanoparticles than in free doxorubicin. In vivo anti-tumor activity was more pronounced in nanoparticles despite the fact that their accumulation in tumors was not superior to that of free doxorubicin, suggesting that factors other than accumulation contribute to the enhanced anti-tumor activity of these nanoparticles. The administration of nanoparticles also resulted in the suppression of metastasis.

Conclusions

The prepared nanoparticles appear to be effective for cancer therapy although further studies will be needed to clarify the details of anti-tumor activity and the toxicity of these nanoparticles.
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Metadata
Title
Investigation of anti-tumor effect of doxorubicin-loaded human serum albumin nanoparticles prepared by a desolvation technique
Authors
Kotaro Kimura
Keishi Yamasaki
Koji Nishi
Kazuaki Taguchi
Masaki Otagiri
Publication date
01-06-2019
Publisher
Springer Berlin Heidelberg
Published in
Cancer Chemotherapy and Pharmacology / Issue 6/2019
Print ISSN: 0344-5704
Electronic ISSN: 1432-0843
DOI
https://doi.org/10.1007/s00280-019-03832-3

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