Drug-loaded exosomal preparations from different cell types exhibit distinctive loading capability, yield, and antitumor efficacies: a comparative analysis

Rajashekhar Kanchanapally,1 Sachin Kumar Deshmukh,1 Suhash Reddy Chavva,1 Nikhil Tyagi,1 Sanjeev Kumar Srivastava,1 Girijesh Kumar Patel,1 Ajay Pratap Singh,1,2 Seema Singh1,2 1Department of Oncologic Sciences, Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604, USA; 2Departme...

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Autores principales:	Kanchanapally R, Deshmukh SK, Chavva SR, Tyagi N, Srivastava SK, Patel GK, Singh AP, Singh S
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2019
Materias:	Exosome macrophage pancreatic cancer drug delivery doxorubicin Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/28936b5729cd4464aced6e59be9a66b9
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spelling	oai:doaj.org-article:28936b5729cd4464aced6e59be9a66b92021-12-02T02:27:22ZDrug-loaded exosomal preparations from different cell types exhibit distinctive loading capability, yield, and antitumor efficacies: a comparative analysis1178-2013https://doaj.org/article/28936b5729cd4464aced6e59be9a66b92019-01-01T00:00:00Zhttps://www.dovepress.com/drug-loaded-exosomal-preparations-from-different-cell-types-exhibit-di-peer-reviewed-article-IJNhttps://doaj.org/toc/1178-2013Rajashekhar Kanchanapally,1 Sachin Kumar Deshmukh,1 Suhash Reddy Chavva,1 Nikhil Tyagi,1 Sanjeev Kumar Srivastava,1 Girijesh Kumar Patel,1 Ajay Pratap Singh,1,2 Seema Singh1,2 1Department of Oncologic Sciences, Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604, USA; 2Department of Biochemistry and Molecular Biology, College of Medicine, University of South Alabama, Mobile, AL 36688, USA Background: Despite tremendous advancement, cancer still remains one of the leading causes of death worldwide. Inefficiency of current drug delivery regimens is one important factor that limits the therapeutic efficacy of existing drugs, thus contributing to cancer mortality. To address this limitation, synthetic nanotechnology-based delivery systems have been developed; however, they raise concern of inducing adverse immunogenic reactions. Exosomes (Exos) are nonimmunogenic nano-sized vesicles that have received significant attention as efficient drug delivery system. Methods: Drug loading in Exos were achieved by incubating different cell types viz pancreatic cancer cells (PCCs), pancreatic stellate cells (PSCs), and macrophages (MØs) with Doxorubicin (DOX). Differential ultracentrifugation was performed to isolate exosome and their size was determined by dynamic light scattering analysis. The efficacy of drug packaging into Exos was evaluated by HPLC. Flow cytometry was performed to examine the apoptosis. Cell viability was determined using the WST-1 assay.Results: PCCs shed the most Exos and were the most efficient in drug loading followed by MØs and PSCs as examined by HPLC quantification. However, when compared for antitumor efficacy, MØ-derived Exos loaded with DOX (MØ-Exo-DOX) showed highest activity followed by PSCs and PCCs. Conclusion: These varying antitumor activities likely resulted from nondrug contents of Exos since we did not observe any significant differences in their uptake by the cancer cells. Altogether, our data suggest that donor cell-specific differences exist in Exos, which could influence their utility as drug carrier for therapeutic purposes. Keywords: exosome, macrophage, pancreatic cancer, drug delivery, doxorubicinKanchanapally RDeshmukh SKChavva SRTyagi NSrivastava SKPatel GKSingh APSingh SDove Medical PressarticleExosomemacrophagepancreatic cancerdrug deliverydoxorubicinMedicine (General)R5-920ENInternational Journal of Nanomedicine, Vol Volume 14, Pp 531-541 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Exosome macrophage pancreatic cancer drug delivery doxorubicin Medicine (General) R5-920
spellingShingle	Exosome macrophage pancreatic cancer drug delivery doxorubicin Medicine (General) R5-920 Kanchanapally R Deshmukh SK Chavva SR Tyagi N Srivastava SK Patel GK Singh AP Singh S Drug-loaded exosomal preparations from different cell types exhibit distinctive loading capability, yield, and antitumor efficacies: a comparative analysis
description	Rajashekhar Kanchanapally,1 Sachin Kumar Deshmukh,1 Suhash Reddy Chavva,1 Nikhil Tyagi,1 Sanjeev Kumar Srivastava,1 Girijesh Kumar Patel,1 Ajay Pratap Singh,1,2 Seema Singh1,2 1Department of Oncologic Sciences, Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604, USA; 2Department of Biochemistry and Molecular Biology, College of Medicine, University of South Alabama, Mobile, AL 36688, USA Background: Despite tremendous advancement, cancer still remains one of the leading causes of death worldwide. Inefficiency of current drug delivery regimens is one important factor that limits the therapeutic efficacy of existing drugs, thus contributing to cancer mortality. To address this limitation, synthetic nanotechnology-based delivery systems have been developed; however, they raise concern of inducing adverse immunogenic reactions. Exosomes (Exos) are nonimmunogenic nano-sized vesicles that have received significant attention as efficient drug delivery system. Methods: Drug loading in Exos were achieved by incubating different cell types viz pancreatic cancer cells (PCCs), pancreatic stellate cells (PSCs), and macrophages (MØs) with Doxorubicin (DOX). Differential ultracentrifugation was performed to isolate exosome and their size was determined by dynamic light scattering analysis. The efficacy of drug packaging into Exos was evaluated by HPLC. Flow cytometry was performed to examine the apoptosis. Cell viability was determined using the WST-1 assay.Results: PCCs shed the most Exos and were the most efficient in drug loading followed by MØs and PSCs as examined by HPLC quantification. However, when compared for antitumor efficacy, MØ-derived Exos loaded with DOX (MØ-Exo-DOX) showed highest activity followed by PSCs and PCCs. Conclusion: These varying antitumor activities likely resulted from nondrug contents of Exos since we did not observe any significant differences in their uptake by the cancer cells. Altogether, our data suggest that donor cell-specific differences exist in Exos, which could influence their utility as drug carrier for therapeutic purposes. Keywords: exosome, macrophage, pancreatic cancer, drug delivery, doxorubicin
format	article
author	Kanchanapally R Deshmukh SK Chavva SR Tyagi N Srivastava SK Patel GK Singh AP Singh S
author_facet	Kanchanapally R Deshmukh SK Chavva SR Tyagi N Srivastava SK Patel GK Singh AP Singh S
author_sort	Kanchanapally R
title	Drug-loaded exosomal preparations from different cell types exhibit distinctive loading capability, yield, and antitumor efficacies: a comparative analysis
title_short	Drug-loaded exosomal preparations from different cell types exhibit distinctive loading capability, yield, and antitumor efficacies: a comparative analysis
title_full	Drug-loaded exosomal preparations from different cell types exhibit distinctive loading capability, yield, and antitumor efficacies: a comparative analysis
title_fullStr	Drug-loaded exosomal preparations from different cell types exhibit distinctive loading capability, yield, and antitumor efficacies: a comparative analysis
title_full_unstemmed	Drug-loaded exosomal preparations from different cell types exhibit distinctive loading capability, yield, and antitumor efficacies: a comparative analysis
title_sort	drug-loaded exosomal preparations from different cell types exhibit distinctive loading capability, yield, and antitumor efficacies: a comparative analysis
publisher	Dove Medical Press
publishDate	2019
url	https://doaj.org/article/28936b5729cd4464aced6e59be9a66b9
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Drug-loaded exosomal preparations from different cell types exhibit distinctive loading capability, yield, and antitumor efficacies: a comparative analysis

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