A personalized and long-acting local therapeutic platform combining photothermal therapy and chemotherapy for the treatment of multidrug-resistant colon tumor

Beibei Wang,1 Sunyi Wu,1 Zhiqiang Lin,2 Yajun Jiang,1 Yan Chen,1 Zhe-Sheng Chen,3 Xiaoying Yang,1 Wei Gao1,4 1Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin 300070, China; 2...

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Autores principales:	Wang B, Wu S, Lin Z, Jiang Y, Chen Y, Chen ZS, Yang X, Gao W
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2018
Materias:	gold nanorods paclitaxel nanocrystals chemotherapy photothermal therapy multi-drug resistant Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/ffd2b6327137473595668fcba8d65764
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spelling	oai:doaj.org-article:ffd2b6327137473595668fcba8d657642021-12-02T09:00:22ZA personalized and long-acting local therapeutic platform combining photothermal therapy and chemotherapy for the treatment of multidrug-resistant colon tumor1178-2013https://doaj.org/article/ffd2b6327137473595668fcba8d657642018-12-01T00:00:00Zhttps://www.dovepress.com/a-personalized-and-long-acting-local-therapeutic-platform-combining-ph-peer-reviewed-article-IJNhttps://doaj.org/toc/1178-2013Beibei Wang,1 Sunyi Wu,1 Zhiqiang Lin,2 Yajun Jiang,1 Yan Chen,1 Zhe-Sheng Chen,3 Xiaoying Yang,1 Wei Gao1,4 1Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin 300070, China; 2Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China; 3College of Pharmacy and Health Sciences, St John’s University, New York, NY 11439, USA; 4College of Pharmacy, University of Michigan, Ann Arbor, MI 48109, USA Background: Local photothermal therapy (PTT) provides an easily applicable, noninvasive adjunctive therapy for colorectal cancer (CRC), especially when multidrug resistance (MDR) occurs. However, using PTT alone does not result in complete tumor ablation in many cases, thus resulting in tumor recurrence and metastasis. Materials and methods: In this study, we aim to develop a personalized local therapeutic platform combining PTT with long-acting chemotherapy for the treatment of MDR CRC. The platform consists of polyethylene glycol (PEG)-coated gold nanorods (PEG-GNRs) and d-alpha-tocopheryl PEG 1000 succinate (TPGS)-coated paclitaxel (PTX) nanocrystals (TPGS-PTX NC), followed by the incorporation into an in situ hydrogel (gel) system (GNRs-TPGS-PTX NC-gel) before injection. After administration, PEG-GNRs can exert quick and efficient local photothermal response under near-infrared laser irradiation to shrink tumor; TPGS-PTX NC then provides a long-acting chemotherapy due to the sustained release of PTX along with the P-glycoprotein inhibitor TPGS to reverse the drug resistance. Results: The cytotoxicity studies showed that the IC50 of GNRs-TPGS-PTX NC-gel with laser irradiation decreased to ~178-folds compared with PTX alone in drug-resistant SW620 AD300 cells. In the in vivo efficacy test, after laser irradiation, the GNRs-TPGS-PTX NC-gel showed similar tumor volume inhibition compared with GNRs-gel at the beginning. However, after 14 days, the tumor volume of the mice treated with GNRs-gel quickly increased, while that of the mice treated with GNRs-TPGS-PTX NC-gel remained controllable due to the long-term chemotherapeutic effect of TPGS-PTX NC. The mice treated with GNRs-TPGS-PTX NC-gel also showed no weight loss and obvious organ damages and lesions during the treatment, indicating a low systemic side effect profile and a good biocompatibility. Conclusion: Overall, the nano-complex may serve as a promising local therapeutic patch against MDR CRC with one-time dosing to achieve a long-term tumor control. The doses of PEG-GNRs and TPGS-PTX NC can be easily adjusted before use according to patient-specific characteristics potentially making it a personalized therapeutic platform. Keywords: gold nanorods, paclitaxel nanocrystals, in situ hydrogel, tumor recurrence, TPGSWang BWu SLin ZJiang YChen YChen ZSYang XGao WDove Medical Pressarticlegold nanorodspaclitaxel nanocrystalschemotherapyphotothermal therapymulti-drug resistantMedicine (General)R5-920ENInternational Journal of Nanomedicine, Vol Volume 13, Pp 8411-8427 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	gold nanorods paclitaxel nanocrystals chemotherapy photothermal therapy multi-drug resistant Medicine (General) R5-920
spellingShingle	gold nanorods paclitaxel nanocrystals chemotherapy photothermal therapy multi-drug resistant Medicine (General) R5-920 Wang B Wu S Lin Z Jiang Y Chen Y Chen ZS Yang X Gao W A personalized and long-acting local therapeutic platform combining photothermal therapy and chemotherapy for the treatment of multidrug-resistant colon tumor
description	Beibei Wang,1 Sunyi Wu,1 Zhiqiang Lin,2 Yajun Jiang,1 Yan Chen,1 Zhe-Sheng Chen,3 Xiaoying Yang,1 Wei Gao1,4 1Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin 300070, China; 2Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China; 3College of Pharmacy and Health Sciences, St John’s University, New York, NY 11439, USA; 4College of Pharmacy, University of Michigan, Ann Arbor, MI 48109, USA Background: Local photothermal therapy (PTT) provides an easily applicable, noninvasive adjunctive therapy for colorectal cancer (CRC), especially when multidrug resistance (MDR) occurs. However, using PTT alone does not result in complete tumor ablation in many cases, thus resulting in tumor recurrence and metastasis. Materials and methods: In this study, we aim to develop a personalized local therapeutic platform combining PTT with long-acting chemotherapy for the treatment of MDR CRC. The platform consists of polyethylene glycol (PEG)-coated gold nanorods (PEG-GNRs) and d-alpha-tocopheryl PEG 1000 succinate (TPGS)-coated paclitaxel (PTX) nanocrystals (TPGS-PTX NC), followed by the incorporation into an in situ hydrogel (gel) system (GNRs-TPGS-PTX NC-gel) before injection. After administration, PEG-GNRs can exert quick and efficient local photothermal response under near-infrared laser irradiation to shrink tumor; TPGS-PTX NC then provides a long-acting chemotherapy due to the sustained release of PTX along with the P-glycoprotein inhibitor TPGS to reverse the drug resistance. Results: The cytotoxicity studies showed that the IC50 of GNRs-TPGS-PTX NC-gel with laser irradiation decreased to ~178-folds compared with PTX alone in drug-resistant SW620 AD300 cells. In the in vivo efficacy test, after laser irradiation, the GNRs-TPGS-PTX NC-gel showed similar tumor volume inhibition compared with GNRs-gel at the beginning. However, after 14 days, the tumor volume of the mice treated with GNRs-gel quickly increased, while that of the mice treated with GNRs-TPGS-PTX NC-gel remained controllable due to the long-term chemotherapeutic effect of TPGS-PTX NC. The mice treated with GNRs-TPGS-PTX NC-gel also showed no weight loss and obvious organ damages and lesions during the treatment, indicating a low systemic side effect profile and a good biocompatibility. Conclusion: Overall, the nano-complex may serve as a promising local therapeutic patch against MDR CRC with one-time dosing to achieve a long-term tumor control. The doses of PEG-GNRs and TPGS-PTX NC can be easily adjusted before use according to patient-specific characteristics potentially making it a personalized therapeutic platform. Keywords: gold nanorods, paclitaxel nanocrystals, in situ hydrogel, tumor recurrence, TPGS
format	article
author	Wang B Wu S Lin Z Jiang Y Chen Y Chen ZS Yang X Gao W
author_facet	Wang B Wu S Lin Z Jiang Y Chen Y Chen ZS Yang X Gao W
author_sort	Wang B
title	A personalized and long-acting local therapeutic platform combining photothermal therapy and chemotherapy for the treatment of multidrug-resistant colon tumor
title_short	A personalized and long-acting local therapeutic platform combining photothermal therapy and chemotherapy for the treatment of multidrug-resistant colon tumor
title_full	A personalized and long-acting local therapeutic platform combining photothermal therapy and chemotherapy for the treatment of multidrug-resistant colon tumor
title_fullStr	A personalized and long-acting local therapeutic platform combining photothermal therapy and chemotherapy for the treatment of multidrug-resistant colon tumor
title_full_unstemmed	A personalized and long-acting local therapeutic platform combining photothermal therapy and chemotherapy for the treatment of multidrug-resistant colon tumor
title_sort	personalized and long-acting local therapeutic platform combining photothermal therapy and chemotherapy for the treatment of multidrug-resistant colon tumor
publisher	Dove Medical Press
publishDate	2018
url	https://doaj.org/article/ffd2b6327137473595668fcba8d65764
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A personalized and long-acting local therapeutic platform combining photothermal therapy and chemotherapy for the treatment of multidrug-resistant colon tumor

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