Novel silk fibroin nanoparticles incorporated silk fibroin hydrogel for inhibition of cancer stem cells and tumor growth

Puyuan Wu, Qin Liu, Qin Wang, Hanqing Qian, Lixia Yu, Baorui Liu, Rutian Li The Comprehensive Cancer Center of Drum Tower Hospital, Medical School of Nanjing University, Clinical Cancer Institute of Nanjing University, Nanjing, People’s Republic of China Background: A multi-drug delivery...

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Autores principales:	Wu P, Liu Q, Wang Q, Qian H, Yu L, Liu B, Li R
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2018
Materias:	silk fibroin nanoparticle hydrogel salinomycin cancer stem cells Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/4b5a2005f3f44d67aa9325e59bd135d5
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spelling	oai:doaj.org-article:4b5a2005f3f44d67aa9325e59bd135d52021-12-02T01:36:44ZNovel silk fibroin nanoparticles incorporated silk fibroin hydrogel for inhibition of cancer stem cells and tumor growth1178-2013https://doaj.org/article/4b5a2005f3f44d67aa9325e59bd135d52018-09-01T00:00:00Zhttps://www.dovepress.com/novel-silk-fibroin-nanoparticles-incorporated-silk-fibroin-hydrogel-fo-peer-reviewed-article-IJNhttps://doaj.org/toc/1178-2013Puyuan Wu, Qin Liu, Qin Wang, Hanqing Qian, Lixia Yu, Baorui Liu, Rutian Li The Comprehensive Cancer Center of Drum Tower Hospital, Medical School of Nanjing University, Clinical Cancer Institute of Nanjing University, Nanjing, People’s Republic of China Background: A multi-drug delivery platform is needed as the intra-tumoral heterogeneity of cancer leads to different drug susceptibility. Cancer stem cells (CSCs), a small population of tumor cells responsible for tumor seeding and recurrence, are considered chemotherapy-resistant and have been reported to be sensitive to salinomycin (Sal) instead of paclitaxel (Ptx). Here we report a novel silk fibroin (SF) hydrogel-loading Sal and Ptx by incorporating drug-loaded silk fibroin nanoparticles (SF-NPs) to simultaneously kill CSCs and non-CSCs.Methods: Using the method we have previously reported to prepare Ptx-loaded SF-NPs (Ptx-SF-NPs), Sal-loaded SF-NPs (Sal-SF-NPs) were fabricated under mild and non-toxic conditions. The drug-loaded SF-NPs were dispersed in the ultrasound processed SF solution prior to gelation.Results: The resulting SF hydrogel (Sal-Ptx-NP-Gel) retained its injectable properties, exhibited bio-degradability and demonstrated homogeneous drug distribution compared to the non-NP incorporated hydrogel. Sal-Ptx-NP-Gel showed superior inhibition of tumor growth compared to single drug-loaded hydrogel and systemic dual drug administration in the murine hepatic carcinoma H22 subcutaneous tumor model. Sal-Ptx-NP-Gel also significantly reduced CD44+CD133+ tumor cells and demonstrated the least tumor formation in the in vivo tumor seeding experiment, indicating superior inhibition of cancer stem cells.Conclusion: These results suggest that SF-NPs incorporated SF hydrogel is a promising drug delivery platform, and Sal-Ptx-NP-Gel could be a novel and powerful locoregional tumor treatment regimen in the future. Keywords: silk fibroin, nanoparticle, hydrogel, salinomycin, cancer stem cellsWu PLiu QWang QQian HYu LLiu BLi RDove Medical Pressarticlesilk fibroinnanoparticlehydrogelsalinomycincancer stem cellsMedicine (General)R5-920ENInternational Journal of Nanomedicine, Vol Volume 13, Pp 5405-5418 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	silk fibroin nanoparticle hydrogel salinomycin cancer stem cells Medicine (General) R5-920
spellingShingle	silk fibroin nanoparticle hydrogel salinomycin cancer stem cells Medicine (General) R5-920 Wu P Liu Q Wang Q Qian H Yu L Liu B Li R Novel silk fibroin nanoparticles incorporated silk fibroin hydrogel for inhibition of cancer stem cells and tumor growth
description	Puyuan Wu, Qin Liu, Qin Wang, Hanqing Qian, Lixia Yu, Baorui Liu, Rutian Li The Comprehensive Cancer Center of Drum Tower Hospital, Medical School of Nanjing University, Clinical Cancer Institute of Nanjing University, Nanjing, People’s Republic of China Background: A multi-drug delivery platform is needed as the intra-tumoral heterogeneity of cancer leads to different drug susceptibility. Cancer stem cells (CSCs), a small population of tumor cells responsible for tumor seeding and recurrence, are considered chemotherapy-resistant and have been reported to be sensitive to salinomycin (Sal) instead of paclitaxel (Ptx). Here we report a novel silk fibroin (SF) hydrogel-loading Sal and Ptx by incorporating drug-loaded silk fibroin nanoparticles (SF-NPs) to simultaneously kill CSCs and non-CSCs.Methods: Using the method we have previously reported to prepare Ptx-loaded SF-NPs (Ptx-SF-NPs), Sal-loaded SF-NPs (Sal-SF-NPs) were fabricated under mild and non-toxic conditions. The drug-loaded SF-NPs were dispersed in the ultrasound processed SF solution prior to gelation.Results: The resulting SF hydrogel (Sal-Ptx-NP-Gel) retained its injectable properties, exhibited bio-degradability and demonstrated homogeneous drug distribution compared to the non-NP incorporated hydrogel. Sal-Ptx-NP-Gel showed superior inhibition of tumor growth compared to single drug-loaded hydrogel and systemic dual drug administration in the murine hepatic carcinoma H22 subcutaneous tumor model. Sal-Ptx-NP-Gel also significantly reduced CD44+CD133+ tumor cells and demonstrated the least tumor formation in the in vivo tumor seeding experiment, indicating superior inhibition of cancer stem cells.Conclusion: These results suggest that SF-NPs incorporated SF hydrogel is a promising drug delivery platform, and Sal-Ptx-NP-Gel could be a novel and powerful locoregional tumor treatment regimen in the future. Keywords: silk fibroin, nanoparticle, hydrogel, salinomycin, cancer stem cells
format	article
author	Wu P Liu Q Wang Q Qian H Yu L Liu B Li R
author_facet	Wu P Liu Q Wang Q Qian H Yu L Liu B Li R
author_sort	Wu P
title	Novel silk fibroin nanoparticles incorporated silk fibroin hydrogel for inhibition of cancer stem cells and tumor growth
title_short	Novel silk fibroin nanoparticles incorporated silk fibroin hydrogel for inhibition of cancer stem cells and tumor growth
title_full	Novel silk fibroin nanoparticles incorporated silk fibroin hydrogel for inhibition of cancer stem cells and tumor growth
title_fullStr	Novel silk fibroin nanoparticles incorporated silk fibroin hydrogel for inhibition of cancer stem cells and tumor growth
title_full_unstemmed	Novel silk fibroin nanoparticles incorporated silk fibroin hydrogel for inhibition of cancer stem cells and tumor growth
title_sort	novel silk fibroin nanoparticles incorporated silk fibroin hydrogel for inhibition of cancer stem cells and tumor growth
publisher	Dove Medical Press
publishDate	2018
url	https://doaj.org/article/4b5a2005f3f44d67aa9325e59bd135d5
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Novel silk fibroin nanoparticles incorporated silk fibroin hydrogel for inhibition of cancer stem cells and tumor growth

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