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Improvement in the drug delivery and anti-tumor efficacy of PEGylated liposomal doxorubicin by targeting RNA aptamers in mice bearing breast tumor model

Targeted delivery by ligands such as aptamers, is a promising method to increase the efficiency of PEGylated-liposomal doxorubicin (PL-Dox). In this study, we have successfully conjugated our recently developed anti-breast cancer RNA aptamer (TSA14) to the surface of PL-Dox and characterized for the... Full description

Journal Title: Colloids and Surfaces B: Biointerfaces 01 March 2016, Vol.139, pp.228-236
Main Author: Moosavian, Seyedeh Alia
Other Authors: Abnous, Khalil , Badiee, Ali , Jaafari, Mahmoud Reza
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0927-7765 ; E-ISSN: 1873-4367 ; DOI: 10.1016/j.colsurfb.2015.12.009
Link: https://www.sciencedirect.com/science/article/pii/S092777651530357X
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recordid: elsevier_sdoi_10_1016_j_colsurfb_2015_12_009
title: Improvement in the drug delivery and anti-tumor efficacy of PEGylated liposomal doxorubicin by targeting RNA aptamers in mice bearing breast tumor model
format: Article
creator:
  • Moosavian, Seyedeh Alia
  • Abnous, Khalil
  • Badiee, Ali
  • Jaafari, Mahmoud Reza
subjects:
  • Aptamer
  • Cancer Targeting
  • Pegylated-Liposomal Doxorubicin
  • Breast Cancer
  • Engineering
  • Chemistry
  • Anatomy & Physiology
ispartof: Colloids and Surfaces B: Biointerfaces, 01 March 2016, Vol.139, pp.228-236
description: Targeted delivery by ligands such as aptamers, is a promising method to increase the efficiency of PEGylated-liposomal doxorubicin (PL-Dox). In this study, we have successfully conjugated our recently developed anti-breast cancer RNA aptamer (TSA14) to the surface of PL-Dox and characterized for their size, zeta potential, Dox percent encapsulation and release properties in the presence of fetal bovine serum. experiments showed that aptamer could improve cellular uptake and cytotoxicity of PL-Dox in TUBO breast cell line. In mice bearing TUBO breast tumor, although, the doxorubicin plasma level of liposomal doxorubicin did not significantly change after modification of nanoparticles with aptamer, however, much higher tumor accumulation of Dox as compared with non-targeted liposomes proved the tumor-targeting capability of aptamers. In the same way, aptamer-PL-Dox improved anti-tumor efficiency of liposomes in TUBO breast tumor in mice compared to non-targeted liposomes. Overall, the results showed that aptamer decoration of PL-Dox could significantly improve selectivity and the therapeutic efficacy of liposomal DOX and merits further investigation.
language: eng
source:
identifier: ISSN: 0927-7765 ; E-ISSN: 1873-4367 ; DOI: 10.1016/j.colsurfb.2015.12.009
fulltext: fulltext
issn:
  • 0927-7765
  • 09277765
  • 1873-4367
  • 18734367
url: Link


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titleImprovement in the drug delivery and anti-tumor efficacy of PEGylated liposomal doxorubicin by targeting RNA aptamers in mice bearing breast tumor model
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subjectAptamer ; Cancer Targeting ; Pegylated-Liposomal Doxorubicin ; Breast Cancer ; Engineering ; Chemistry ; Anatomy & Physiology
descriptionTargeted delivery by ligands such as aptamers, is a promising method to increase the efficiency of PEGylated-liposomal doxorubicin (PL-Dox). In this study, we have successfully conjugated our recently developed anti-breast cancer RNA aptamer (TSA14) to the surface of PL-Dox and characterized for their size, zeta potential, Dox percent encapsulation and release properties in the presence of fetal bovine serum. experiments showed that aptamer could improve cellular uptake and cytotoxicity of PL-Dox in TUBO breast cell line. In mice bearing TUBO breast tumor, although, the doxorubicin plasma level of liposomal doxorubicin did not significantly change after modification of nanoparticles with aptamer, however, much higher tumor accumulation of Dox as compared with non-targeted liposomes proved the tumor-targeting capability of aptamers. In the same way, aptamer-PL-Dox improved anti-tumor efficiency of liposomes in TUBO breast tumor in mice compared to non-targeted liposomes. Overall, the results showed that aptamer decoration of PL-Dox could significantly improve selectivity and the therapeutic efficacy of liposomal DOX and merits further investigation.
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titleImprovement in the drug delivery and anti-tumor efficacy of PEGylated liposomal doxorubicin by targeting RNA aptamers in mice bearing breast tumor model
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Targeted delivery by ligands such as aptamers, is a promising method to increase the efficiency of PEGylated-liposomal doxorubicin (PL-Dox). In this study, we have successfully conjugated our recently developed anti-breast cancer RNA aptamer (TSA14) to the surface of PL-Dox and characterized for their size, zeta potential, Dox percent encapsulation and release properties in the presence of fetal bovine serum.

experiments showed that aptamer could improve cellular uptake and cytotoxicity of PL-Dox in TUBO breast cell line. In mice bearing TUBO breast tumor, although, the doxorubicin plasma level of liposomal doxorubicin did not significantly change after modification of nanoparticles with aptamer, however, much higher tumor accumulation of Dox as compared with non-targeted liposomes proved the tumor-targeting capability of aptamers. In the same way, aptamer-PL-Dox improved anti-tumor efficiency of liposomes in TUBO breast tumor in mice compared to non-targeted liposomes. Overall, the results showed that aptamer decoration of PL-Dox could significantly improve selectivity and the therapeutic efficacy of liposomal DOX and merits further investigation.

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abstract

Targeted delivery by ligands such as aptamers, is a promising method to increase the efficiency of PEGylated-liposomal doxorubicin (PL-Dox). In this study, we have successfully conjugated our recently developed anti-breast cancer RNA aptamer (TSA14) to the surface of PL-Dox and characterized for their size, zeta potential, Dox percent encapsulation and release properties in the presence of fetal bovine serum.

experiments showed that aptamer could improve cellular uptake and cytotoxicity of PL-Dox in TUBO breast cell line. In mice bearing TUBO breast tumor, although, the doxorubicin plasma level of liposomal doxorubicin did not significantly change after modification of nanoparticles with aptamer, however, much higher tumor accumulation of Dox as compared with non-targeted liposomes proved the tumor-targeting capability of aptamers. In the same way, aptamer-PL-Dox improved anti-tumor efficiency of liposomes in TUBO breast tumor in mice compared to non-targeted liposomes. Overall, the results showed that aptamer decoration of PL-Dox could significantly improve selectivity and the therapeutic efficacy of liposomal DOX and merits further investigation.

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