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Perelló-Trias MT, Serrano-Muñoz AJ, Rodríguez-Fernández A, Segura-Sampedro JJ, Ramis JM, Monjo M. Intraperitoneal drug delivery systems for peritoneal carcinomatosis: Bridging the gap between research and clinical implementation. J Control Release 2024; 373:70-92. [PMID: 38986910 DOI: 10.1016/j.jconrel.2024.07.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 07/05/2024] [Accepted: 07/06/2024] [Indexed: 07/12/2024]
Abstract
Several abdominal-located cancers develop metastasis within the peritoneum, what is called peritoneal carcinomatosis (PC), constituting a clinical challenge in their therapeutical management, often leading to poor prognoses. Current multidisciplinary strategies, including cytoreductive surgery (CRS), hyperthermic intraperitoneal chemotherapy (HIPEC), and pressurized intraperitoneal aerosol chemotherapy (PIPAC), demonstrate efficacy but have limitations. In response, alternative strategies are explored in the drug delivery field for intraperitoneal chemotherapy. Controlled drug delivery offers a promising avenue, maintaining localized drug concentrations for optimal PC management. Drug delivery systems (DDS), including hydrogels, implants, nanoparticles, and hybrid systems, show potential for sustained and region-specific drug release. The present review aims to offer an overview of the advances and current designs of DDS for PC chemotherapy administration, focusing on their composition, main characteristics, and principal experimental outcomes, highlighting the importance of biomaterial rationale design and in vitro/vivo models for their testing. Moreover, since clinical data for human subjects are scarce, we offer a critical discussion of the gap between bench and bedside in DDS translation, emphasizing the need for further research.
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Affiliation(s)
- M Teresa Perelló-Trias
- Cell Therapy and Tissue Engineering Group (TERCIT), Research Institute of Health Sciences (IUNICS), University of the Balearic Islands (UIB), Carretera de Valldemossa, Km 7,5, 07122 Palma, Balearic Islands, Spain; Health Research Institute of the Balearic Islands (IdISBa) - Carretera de Valldemossa, 79. Hospital Universitari Son Espases. Edifici S. 07120 Palma, Balearic Islands, Spain; Department of Fundamental Biology and Health Sciences, University of the Balearic Islands (UIB), Palma, Balearic Islands, Spain
| | - Antonio Jose Serrano-Muñoz
- Cell Therapy and Tissue Engineering Group (TERCIT), Research Institute of Health Sciences (IUNICS), University of the Balearic Islands (UIB), Carretera de Valldemossa, Km 7,5, 07122 Palma, Balearic Islands, Spain; Health Research Institute of the Balearic Islands (IdISBa) - Carretera de Valldemossa, 79. Hospital Universitari Son Espases. Edifici S. 07120 Palma, Balearic Islands, Spain; Department of Fundamental Biology and Health Sciences, University of the Balearic Islands (UIB), Palma, Balearic Islands, Spain
| | - Ana Rodríguez-Fernández
- Cell Therapy and Tissue Engineering Group (TERCIT), Research Institute of Health Sciences (IUNICS), University of the Balearic Islands (UIB), Carretera de Valldemossa, Km 7,5, 07122 Palma, Balearic Islands, Spain; Health Research Institute of the Balearic Islands (IdISBa) - Carretera de Valldemossa, 79. Hospital Universitari Son Espases. Edifici S. 07120 Palma, Balearic Islands, Spain; Department of Fundamental Biology and Health Sciences, University of the Balearic Islands (UIB), Palma, Balearic Islands, Spain
| | - Juan José Segura-Sampedro
- Health Research Institute of the Balearic Islands (IdISBa) - Carretera de Valldemossa, 79. Hospital Universitari Son Espases. Edifici S. 07120 Palma, Balearic Islands, Spain; General & Digestive Surgery Service, Hospital Universitario La Paz, Paseo de la Castellana, 261, Fuencarral-El Pardo, 28046 Madrid, Spain; School of Medicine, University of the Balearic Islands (UIB), Carretera de Valldemossa, km 7,5, 07122 Palma, Balearic Islands, Spain
| | - Joana Maria Ramis
- Cell Therapy and Tissue Engineering Group (TERCIT), Research Institute of Health Sciences (IUNICS), University of the Balearic Islands (UIB), Carretera de Valldemossa, Km 7,5, 07122 Palma, Balearic Islands, Spain; Health Research Institute of the Balearic Islands (IdISBa) - Carretera de Valldemossa, 79. Hospital Universitari Son Espases. Edifici S. 07120 Palma, Balearic Islands, Spain; Department of Fundamental Biology and Health Sciences, University of the Balearic Islands (UIB), Palma, Balearic Islands, Spain.
| | - Marta Monjo
- Cell Therapy and Tissue Engineering Group (TERCIT), Research Institute of Health Sciences (IUNICS), University of the Balearic Islands (UIB), Carretera de Valldemossa, Km 7,5, 07122 Palma, Balearic Islands, Spain; Health Research Institute of the Balearic Islands (IdISBa) - Carretera de Valldemossa, 79. Hospital Universitari Son Espases. Edifici S. 07120 Palma, Balearic Islands, Spain; Department of Fundamental Biology and Health Sciences, University of the Balearic Islands (UIB), Palma, Balearic Islands, Spain.
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Comparative cytotoxic activity of carboplatin and β-cryptoxanthin in free and liposomal forms against breast cancer cell line. UKRAINIAN BIOCHEMICAL JOURNAL 2021. [DOI: 10.15407/ubj93.03.049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
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3
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Alavi S, Haeri A, Mahlooji I, Dadashzadeh S. Tuning the Physicochemical Characteristics of Particle-Based Carriers for Intraperitoneal Local Chemotherapy. Pharm Res 2020; 37:119. [DOI: 10.1007/s11095-020-02818-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 04/06/2020] [Indexed: 12/12/2022]
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Kuo YC, Lee CH, Rajesh R. Recent advances in the treatment of glioblastoma multiforme by inhibiting angiogenesis and using nanocarrier systems. J Taiwan Inst Chem Eng 2017. [DOI: 10.1016/j.jtice.2017.04.034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Qiao H, Zhu Z, Fang D, Sun Y, Kang C, Di L, Zhang L, Gao Y. Redox-triggered mitoxantrone prodrug micelles for overcoming multidrug-resistant breast cancer. J Drug Target 2017; 26:75-85. [PMID: 28583001 DOI: 10.1080/1061186x.2017.1339195] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Multidrug resistance (MDR) severely hinders the efficient chemotherapeutic treatments of cancer. d-α-Tocopherol polyethylene 1000 succinate (TPGS) based drug delivery system holds the potential of re-sensitizing resistant cancer cells. In this study, a TPGS prodrug containing both TPGS and mitoxantrone (MTO) via a disulphide bond was synthesised and assembled into micelle (TSMm) with a monodispersed diameter of 46.50 ± 1.12 nm. The disulphide bonds within the micelles could be cleaved in response to a high concentration of intracellular glutathione (GSH) after entering the tumour cells, leading a rapid release of MTO. In vitro cytotoxicity study showed TSMm significantly inhibited the growth of resistant breast tumour cells MDA-MB-231/MDR comparing to either free MTO or disulphide-free prodrug micelle (TCMm). In addition, TSMm could sustain favourable intracellular retention and cause the depletion of ATP activity, leading to the preferential transportation of MTO into the nucleus and the reversal of MDR. In vivo imaging also verified that TSMm was specifically targeted to the tumour regions at 24 h post injection. Finally, TSMm has significantly stronger antitumor activity in xenograft nude mice with negligible side effects. Hence, TSMm can serve as promising prodrug candidates to strengthen the reversal of MDR in tumours with less side effects.
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Affiliation(s)
- Hongzhi Qiao
- a Jiangsu Engineering Research Centre for Efficient Delivery System of TCM, School of Pharmacy , Nanjing University of Chinese Medicine , Nanjing , China
| | - Zhenzhu Zhu
- b State Key Laboratory of Pharmaceutical Biotechnology, School of Life Science , Nanjing University , Nanjing , China
| | - Dong Fang
- a Jiangsu Engineering Research Centre for Efficient Delivery System of TCM, School of Pharmacy , Nanjing University of Chinese Medicine , Nanjing , China
| | - Yuan Sun
- c Department of Chemistry and Biochemistry , The Ohio State University , Columbus , OH , USA
| | - Chen Kang
- d Department of Internal Medicine, Carver College of Medicine , University of Iowa , Iowa City , IA , USA
| | - Liuqing Di
- a Jiangsu Engineering Research Centre for Efficient Delivery System of TCM, School of Pharmacy , Nanjing University of Chinese Medicine , Nanjing , China
| | - Lei Zhang
- a Jiangsu Engineering Research Centre for Efficient Delivery System of TCM, School of Pharmacy , Nanjing University of Chinese Medicine , Nanjing , China
| | - Yahan Gao
- e State Key Laboratory of Natural Medicines, Department of Pharmaceutics , China Pharmaceutical University , Nanjing , China
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Intraperitoneal 188Re-Liposome delivery switches ovarian cancer metabolism from glycolysis to oxidative phosphorylation and effectively controls ovarian tumour growth in mice. Radiother Oncol 2016; 119:282-90. [DOI: 10.1016/j.radonc.2016.02.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Revised: 12/24/2015] [Accepted: 02/01/2016] [Indexed: 01/02/2023]
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7
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Kuo YC, Lin CC. Rescuing apoptotic neurons in Alzheimer's disease using wheat germ agglutinin-conjugated and cardiolipin-conjugated liposomes with encapsulated nerve growth factor and curcumin. Int J Nanomedicine 2015; 10:2653-72. [PMID: 25878499 PMCID: PMC4388084 DOI: 10.2147/ijn.s79528] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Liposomes with cardiolipin (CL) and wheat germ agglutinin (WGA) were developed to permeate the blood–brain barrier and treat Alzheimer’s disease. WGA-conjugated and CL-incorporated liposomes (WGA-CL-liposomes) were used to transport nerve growth factor (NGF) and curcumin (CUR) across a monolayer of human brain-microvascular endothelial cells regulated by human astrocytes and to protect SK-N-MC cells against apoptosis induced by β-amyloid1–42 (Aβ1–42) fibrils. An increase in the CL mole percentage in lipids increased the liposomal diameter, absolute zeta potential value, entrapment efficiency of NGF and CUR, release of NGF, biocompatibility, and viability of SK-N-MC cells with Aβ1–42, but decreased the atomic ratio of nitrogen to phosphorus and release of CUR. In addition, an increase in the WGA concentration for grafting enhanced the liposomal diameter, atomic ratio of nitrogen to phosphorus, and permeability of NGF and CUR across the blood–brain barrier, but reduced the absolute zeta potential value and biocompatibility. WGA-CL-liposomes carrying NGF and CUR could be promising colloidal delivery carriers for future clinical application in targeting the blood–brain barrier and inhibiting neurotoxicity.
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Affiliation(s)
- Yung-Chih Kuo
- Department of Chemical Engineering, National Chung Cheng University, Chia-Yi, Taiwan, Republic of China
| | - Ching-Chun Lin
- Department of Chemical Engineering, National Chung Cheng University, Chia-Yi, Taiwan, Republic of China
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8
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Kuo YC, Liu YC. Cardiolipin-incorporated liposomes with surface CRM197 for enhancing neuronal survival against neurotoxicity. Int J Pharm 2014; 473:334-44. [PMID: 24999054 DOI: 10.1016/j.ijpharm.2014.07.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2014] [Accepted: 07/01/2014] [Indexed: 11/20/2022]
Abstract
CRM197-grafted liposomes containing cardiolipin (CL) (CRM197/CL-liposomes) were used to enhance the permeability of neuron growth factor (NGF) across the blood-brain barrier (BBB) for promoting the neuroprotective effect of NGF. CRM197/CL-liposoms were incubated with a monolayer of human astrocyte (HA)-regulated human brain-microvascular endothelial cells (HBMECs) and employed to rescue SK-N-MC cells with insult of fibrillar β-amyloid peptide (1-42) (Aβ1-42). An increase in the CL mole percentage enhanced the particle size, absolute value of zeta potential, NGF entrapment efficiency, CRM197 grafting efficiency, viability of HBMECs, HAs, and SK-N-MC cells, and BBB permeability of propidium iodide (PI) and NGF, and reduced the transendothelial electrical resistance (TEER). In addition, an increase in the CRM197 weight percentage increased the particle size, absolute value of zeta potential, viability of HBMECs and HAs, and BBB permeability of PI and NGF, and decreased the CRM197 grafting efficiency and TEER. CRM197/CL-liposomes have the ability to target the BBB and to reduce neurotoxicity of Aβ142 and can be promising formulations for treating Alzheimer's disease in future medicinal application.
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Affiliation(s)
- Yung-Chih Kuo
- Department of Chemical Engineering, National Chung Cheng University, Chia-Yi 62102, Taiwan
| | - Yu-Chuan Liu
- Department of Chemical Engineering, National Chung Cheng University, Chia-Yi 62102, Taiwan.
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9
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Shim G, Lee S, Choi J, Lee S, Kim CW, Oh YK. Liposomal co-delivery of omacetaxine mepesuccinate and doxorubicin for synergistic potentiation of antitumor activity. Pharm Res 2014; 31:2178-85. [PMID: 24562810 DOI: 10.1007/s11095-014-1317-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Accepted: 01/28/2014] [Indexed: 11/30/2022]
Abstract
PURPOSE Anticancer chemotherapy usually involves the administration of several anticancer drugs that differ in their action mechanisms. Here, we aimed to test whether the combination of omacetaxine mepesuccinate (OMT) and doxorubicin (DOX) could show synergism, and whether the liposomal co-delivery of these two drugs could enhance their antitumor effects in cervical carcinoma model. METHOD OMT-loaded liposomes (OL) were prepared by loading the drug in the lipid bilayers. OL were then electrostatically complexed with DOX, yielding double-loaded liposomes (DOL). DOX-loaded liposomes (DL) were formulated by electrostatic interaction with negatively charged empty liposomes (EL). The combination index (CI) values were calculated to evaluate the synergism of two drugs. In vitro antitumor effects against HeLa cells were measured using CCK-8, calcein staining, and crystal violet staining. In vivo antitumor effects of various liposomes were tested using HeLa cell-bearing mice. RESULTS Combination of DOX and OMT had ratio-dependent synergistic activities, with very strong synergism observed at a molar ratio of 4:1 (DOX:OMT). The sizes of EL, DL, OL, and DOL did not significantly differ, but the zeta potentials of DL and DOL were slightly higher than those of OL and EL. In vitro, DOL showed higher antitumor activity than OL, DL or EL in cervical carcinoma HeLa cells. In vivo, unlike other liposomes, DOL reduced the tumor growths by 98.6% and 97.3% relative to the untreated control on day 15 and 25 after the cessation of treatment, respectively. CONCLUSIONS These results suggest that liposomal co-delivery of DOX and OMT could synergistically potentiate antitumor effects.
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Affiliation(s)
- Gayong Shim
- College of Pharmacy Research Institute of Pharmaceutical Sciences, Seoul National University, Daehak-dong, Gwanak-gu, Seoul, 151-742, Korea
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Ghanbarzadeh S, Arami S, Pourmoazzen Z, Ghasemian-Yadegari J, Khorrami A. Plasma stable, pH-sensitive fusogenic polymer-modified liposomes: A promising carrier for mitoxantrone. J Biomater Appl 2013; 29:81-92. [PMID: 24336315 DOI: 10.1177/0885328213515288] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
pH-sensitive liposomes are designed to undergo acid-triggered destabilization. In the present study, we prepared polymer-modified, plasma stable, pH-sensitive fusogenic mitoxantrone liposomes to increase efficacy and selectivity on cancer cell lines. Conventional liposomes were prepared using cholesterol and dipalmitoyl-sn-glycero-3-phosphatidylethanolamine. Dioleoylphosphatidylethanolamine and a cholesteryl derivative, poly(monomethylitaconate)-co-poly(N,N-dimethylaminoethyl methacrylate) (PMMI-co-PDMAEMA), were used for the preparation of pH-sensitive fusogenic liposomes. Using polyethylene glycol (PEG)-poly(monomethylitaconate)-CholC6 (PEG-PMMI-CholC6) copolymers instead of cholesterol introduced pH-sensitive and plasma stability properties simultaneously in prepared liposomes. All formulations were prepared by thin film hydration method and subsequently, pH-sensitivity and stability in human serum were evaluated. The ability of pH-sensitive fusogenic liposomes to enhance the mitoxantrone cytotoxicity and selectivity in cancerous cell lines was assessed in vitro compared to normal cell line using human breast cancer cell line (MCF-7), human prostate cancer cell line (PC-3), and human umbilical vein endothelial cells line. Results revealed that both PMMI-co-PDMAEMA and PEG-PMMI-CholC6-based formulations showed pH-sensitive property and were found to rapidly release mitoxantrone under mildly acidic conditions. Nevertheless, only the PEG-PMMI-CholC6-based liposomes preserved pH-sensitivity after incubation in plasma. Mitoxantrone loaded-pH-sensitive fusogenic liposomes exhibited a higher cytotoxicity than the control conventional liposomes on MCF-7 and PC-3 cell lines. On the contrary, both pH-sensitive fusogenic liposomes showed lower cytotoxic effect on human umbilical vein endothelial cell line. Plasma stable, pH-sensitive fusogenic liposomes are promising carriers for enhancing the efficiency and selectivity, besides reduction of the side effects of anticancer agents.
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Affiliation(s)
- Saeed Ghanbarzadeh
- Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran Department of Pharmaceutics, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran Student Research Committee, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sanam Arami
- Student Research Committee, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran Pharmaceutical Biotechnology Department, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zhaleh Pourmoazzen
- Chemistry Department, Science Faculty, Azarbaijan Shahid Madani University, Tabriz, Iran
| | - Javad Ghasemian-Yadegari
- Department of Pharmaceutics, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran Department of Pharmacognosy, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Arash Khorrami
- Student Research Committee, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran Department of Pharmacology and Toxicology, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
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Recent trends in multifunctional liposomal nanocarriers for enhanced tumor targeting. JOURNAL OF DRUG DELIVERY 2013; 2013:705265. [PMID: 23533772 PMCID: PMC3606784 DOI: 10.1155/2013/705265] [Citation(s) in RCA: 152] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/25/2012] [Accepted: 02/06/2013] [Indexed: 12/30/2022]
Abstract
Liposomes are delivery systems that have been used to formulate a vast variety of therapeutic and imaging agents for the past several decades. They have significant advantages over their free forms in terms of pharmacokinetics, sensitivity for cancer diagnosis and therapeutic efficacy. The multifactorial nature of cancer and the complex physiology of the tumor microenvironment require the development of multifunctional nanocarriers. Multifunctional liposomal nanocarriers should combine long blood circulation to improve pharmacokinetics of the loaded agent and selective distribution to the tumor lesion relative to healthy tissues, remote-controlled or tumor stimuli-sensitive extravasation from blood at the tumor's vicinity, internalization motifs to move from tumor bounds and/or tumor intercellular space to the cytoplasm of cancer cells for effective tumor cell killing. This review will focus on current strategies used for cancer detection and therapy using liposomes with special attention to combination therapies.
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Comprehensive study of cationic liposomes composed of DC-Chol and cholesterol with different mole ratios for gene transfection. Colloids Surf B Biointerfaces 2013; 101:6-13. [DOI: 10.1016/j.colsurfb.2012.05.032] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2012] [Revised: 05/15/2012] [Accepted: 05/21/2012] [Indexed: 11/20/2022]
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Yang S, Chen J, Zhao D, Han D, Chen X. Comparative study on preparative methods of DC-Chol/DOPE liposomes and formulation optimization by determining encapsulation efficiency. Int J Pharm 2012; 434:155-60. [PMID: 22643228 DOI: 10.1016/j.ijpharm.2012.05.041] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2012] [Revised: 04/18/2012] [Accepted: 05/19/2012] [Indexed: 10/28/2022]
Abstract
Three most commonly used preparative methods, dry-film, reverse phase evaporation and ethanol injection were employed to prepare cationic liposomes composed of DC-Chol and DOPE, respectively. The resulting samples were contrasted through morphology observation, particle size and zeta potential analysis. Sephadex filtration method with high selectivity was developed to determine the encapsulation efficiency of plasmid DNA-loaded cationic vectors, on this basis, cationic liposomes formulation was further optimized by applying Box Behnken design with encapsulation efficiency as evaluation index. The results showed that liposomes prepared by dry-film method were of best quality and stability, moreover, the optimum formulation of cationic liposomes and optimal value of each influencing factors were quantitatively obtained, measured value was highly consistent with predicted results. These findings preliminarily clarified the effect of preparative methods on performance of cationic liposome, as well as formulation factors on encapsulation efficiency, and will provide important methodological reference for further study of liposomes carriers for gene delivery.
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Affiliation(s)
- Shuoye Yang
- Center of Drug Metabolism and Pharmacokinetics, College of Pharmacy, China Pharmaceutical University, Nanjing, PR China
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Cationic drug-derived nanoparticles for multifunctional delivery of anticancer siRNA. Biomaterials 2011; 32:9785-95. [PMID: 21937102 DOI: 10.1016/j.biomaterials.2011.09.017] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2011] [Accepted: 09/07/2011] [Indexed: 01/27/2023]
Abstract
Combined treatment of anticancer drugs and small interfering RNAs (siRNAs) have emerged as a new modality of anticancer therapy. Here, we describe a co-delivery system of anticancer drugs and siRNA in which anticancer drug-derived lipids form cationic nanoparticles for siRNA complexation. The anticancer drug mitoxantrone (MTO) was conjugated to palmitoleic acid, generating two types of palmitoleyl MTO (Pal-MTO) lipids: monopalmitoleyl MTO (mono-Pal-MTO) and dipalmitoleyl MTO (di-Pal-MTO). Among various lipid compositions of MTO, nanoparticles containing mono-Pal-MTO and di-Pal-MTO at a molar ratio of 1:1 (md11-Pal-MTO nanoparticles) showed the most efficient cellular delivery of siRNA, higher than that of Lipofectamine 2000. Delivery of red fluorescence protein-specific siRNA into B16F10-RFP cells using md11-Pal-MTO nanoparticles reduced the expression of RFP at both mRNA and protein levels, demonstrating silencing of the siRNA target gene. Moreover, delivery of Mcl-1-specific anticancer siRNA (siMcl-1) using md11-Pal-MTO enhanced antitumor activity in vitro, reducing tumor cell viability by 81% compared to a reduction of 68% following Lipofectamine 2000-mediated transfection of siMcl-1. Intratumoral administration of siMcl-1 using md11-Pal-MTO nanoparticles significantly inhibited tumor growth, reducing tumor size by 83% compared to untreated controls. Our results suggest the potential of md11-Pal-MTO multifunctional nanoparticles for co-delivery of anticancer siRNAs for effective combination therapy.
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Shim G, Lee S, Kim YB, Kim CW, Oh YK. Enhanced tumor localization and retention of chlorin e6 in cationic nanolipoplexes potentiate the tumor ablation effects of photodynamic therapy. NANOTECHNOLOGY 2011; 22:365101. [PMID: 21841215 DOI: 10.1088/0957-4484/22/36/365101] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Here we report the tumor ablation effects of the negatively charged photosensitizer chlorin e6 (Ce6) in nanocomplexes. Ce6 was complexed to cationic 1,2-dioleoyl-sn-glycero-3-ethylphosphocholine-based liposomes, forming cationic nanolipoplexes. The loading efficiency of Ce6 to cationic nanolipoplexes was greater than 90%. The degree of enhancement of cellular uptake of Ce6 by treatment in cationic nanolipoplexes increased with the concentration of Ce6, showing 18.3-fold higher uptake than free Ce6 at 15 µM. Molecular imaging revealed the preferential distribution and retention of Ce6 in SCC7 tumor tissues after intravenous administration of Ce6 in cationic nanolipoplexes. Moreover, localized illumination of mice receiving Ce6 in cationic nanolipoplexes resulted in the formation of thick scabs over tumor regions, and complete ablation of tumors after scab detachment. In contrast, continuous growth of tumors was observed in the group treated with free Ce6. Our results suggest that the cationic nanolipoplexes of Ce6 improve the therapeutic effects of photodynamic cancer therapy as compared to free Ce6.
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Affiliation(s)
- Gayong Shim
- School of Life Sciences and Biotechnology, Korea University, Seoul, Korea
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16
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Novel nanotechnology approaches to diagnosis and therapy of ovarian cancer. Gynecol Oncol 2011; 120:393-403. [DOI: 10.1016/j.ygyno.2010.11.029] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2010] [Revised: 11/17/2010] [Accepted: 11/17/2010] [Indexed: 12/22/2022]
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