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Catanionic solid lipid nanoparticles carrying doxorubicin for inhibiting the growth of U87MG cells.
MedLine Citation:
PMID:  21411296     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Catanionic solid lipid nanoparticles (CASLNs), loaded with doxorubicin (Dox) and grafted with anti-epithelial growth factor receptor (EGFR) (anti-EGFR/Dox-CASLNs), were applied to suppressing propagation of malignant U87MG cells. U87MG cells were cultured with anti-EGFR/Dox-CASLNs for assessing the cell viability and EGFR expression. When the concentration of catanionic surfactants, containing hexadecyltrimethylammonium bromide and sodium anionic sodium dodecylsulfate, was 1mM, CASLNs entrapped the largest quantity of Dox. The order of cacao butter (CB) in the entrapment efficiency of Dox was 50% CB>0% CB>100% CB. In addition, the release rate of Dox and the antiproliferative effect on U87MG cells were in the following order: 100% CB>0% CB>50% CB. A high level of CB in anti-EGFR/Dox-CASLNs reduced the cytotoxicity to human brain-microvascular endothelial cells. The immunochemical staining revealed that the crosslinked anti-EGFR on the surface of Dox-CASLNs preserved a high specificity in recognizing EGFR on U87MG cells and inducing growth-inhibition effect. The innovated anti-EGFR/Dox-CASLNs can be an effective delivery system with high targeting efficacy against the growth of brain glioblastomas carcinoma.
Authors:
Yung-Chih Kuo; Cheng-Te Liang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-2-17
Journal Detail:
Title:  Colloids and surfaces. B, Biointerfaces     Volume:  -     ISSN:  1873-4367     ISO Abbreviation:  -     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-3-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9315133     Medline TA:  Colloids Surf B Biointerfaces     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier B.V. All rights reserved.
Affiliation:
Department of Chemical Engineering, National Chung Cheng University, Chia-Yi 62102, Taiwan, ROC.
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