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Formulation and clinical perspectives of inhalation-based nanocarrier delivery: a new archetype in lung cancer treatment. Ther Deliv 2021; 12:397-418. [PMID: 33902294 DOI: 10.4155/tde-2020-0101] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Despite tremendous research in targeted delivery and specific molecular inhibitors (gene delivery), cytotoxic drug delivery through inhalation has been seen as a core part in the treatment of the lung cancer. Inhalation delivery provides a high dose of the drug directly to the lungs without affecting other body organs, increasing the therapeutic ratio. This article reviews the research performed over the last several decades regarding inhalation delivery of various cancer therapeutics for the treatment of lung cancer. Nevertheless, pulmonary administration of nanocarrier-based cancer therapeutics for lung cancer therapy is still in its infancy and faces greater than expected challenges. This article focuses on the current inhalable nanocarrier-based drugs for lung cancer treatment.
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Peng J, Xiao Y, Yang Q, Liu Q, Chen Y, Shi K, Hao Y, Han R, Qian Z. Intracellular aggregation of peptide-reprogrammed small molecule nanoassemblies enhances cancer chemotherapy and combinatorial immunotherapy. Acta Pharm Sin B 2021; 11:1069-1082. [PMID: 33996418 PMCID: PMC8105769 DOI: 10.1016/j.apsb.2020.06.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 04/15/2020] [Accepted: 06/05/2020] [Indexed: 02/08/2023] Open
Abstract
The intracellular retention of nanotherapeutics is essential for their therapeutic activity. The immobilization of nanotherapeutics inside target cell types can regulate various cell behaviors. However, strategies for the intracellular immobilization of nanoparticles are limited. Herein, a cisplatin prodrug was synthesized and utilized as a glutathione (GSH)-activated linker to induce aggregation of the cisplatin prodrug/IR820/docetaxel nanoassembly. The nanoassembly has been reprogrammed with peptide-containing moieties for tumor-targeting and PD-1/PD-L1 blockade. The aggregation of the nanoassemblies is dependent on GSH concentration. Evaluations in vitro and in vivo revealed that GSH-induced intracellular aggregation of the nanoassemblies enhances therapeutic activity in primary tumors by enhancing the accumulation and prolonging the retention of the chemotherapeutics in the tumor site and inducing reactive oxygen species (ROS) generation and immunogenic cell death. Moreover, the nanoassemblies reinvigorate the immunocytes, especially the systemic immunocytes, and thereby alleviate pulmonary metastasis, even though the population of immunocytes in the primary tumor site is suppressed due to the enhanced accumulation of chemotherapeutics. This strategy provides a promising option for the intracellular immobilization of nanoparticles in vitro and in vivo.
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Zhang M, Hagan CT, Foley H, Tian X, Yang F, Au KM, Mi Y, Medik Y, Roche K, Wagner K, Rodgers Z, Min Y, Wang AZ. Co-delivery of etoposide and cisplatin in dual-drug loaded nanoparticles synergistically improves chemoradiotherapy in non-small cell lung cancer models. Acta Biomater 2021; 124:327-335. [PMID: 33556606 DOI: 10.1016/j.actbio.2021.02.001] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 01/22/2021] [Accepted: 02/01/2021] [Indexed: 12/14/2022]
Abstract
Chemoradiotherapy with cisplatin and etoposide is a curative management regimen for both small and non-small cell lung cancers. While the treatment regimen is effective, it also has a high toxicity profile. One potential strategy to improve the therapeutic ratio of chemoradiation is to utilize nanotherapeutics. Nanoparticle formulation of cisplatin and etoposide, however, is challenging due to the significant mismatch in chemical properties of cisplatin and etoposide. Herein we report the formulation of a polymeric nanoparticle formulation of cisplatin and etoposide using a prodrug approach. We synthesized a hydrophobic platinum prodrug, which was then co-delivered with etoposide using a nanoparticle. Using mouse models of lung cancer, we demonstrated that dual-drug loaded nanoparticles are significantly more effective than small molecule chemotherapy in chemoradiotherapy. These results support further investigation of nanoparticle-based drug formulations of combination chemotherapies and the use of nanotherapeutics in chemoradiotherapy. STATEMENT OF SIGNIFICANCE: The treatment of lung cancer often involves a combination of chemotherapy and radiation. While it can be effective, it also has a high toxicity profile. Preferential delivery of chemotherapeutics to the tumor while avoiding normal tissue would improve efficacy and lower toxicity. While this is challenging with conventional drug delivery technologies, nanotechnology offers a unique opportunity. In this study, we have engineered nanoparticles that are loaded with combination chemotherapeutics and showed such nanotherapeutics are more effective and less toxic than free chemotherapeutics in chemoradiotherapy. Our work highlights the importance and potential of nanoformulations of combination chemotherapy in chemoradiotherapy and cancer treatment. This approach can be translated clinically and it can have a significant impact on cancer treatment.
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Zahoranová A, Luxenhofer R. Poly(2-oxazoline)- and Poly(2-oxazine)-Based Self-Assemblies, Polyplexes, and Drug Nanoformulations-An Update. Adv Healthc Mater 2021; 10:e2001382. [PMID: 33448122 DOI: 10.1002/adhm.202001382] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 10/03/2020] [Indexed: 12/30/2022]
Abstract
For many decades, poly(2-oxazoline)s and poly(2-oxazine)s, two closely related families of polymers, have led the life of a rather obscure research topic with only a few research groups world-wide working with them. This has changed in the last five to ten years, presumably triggered significantly by very promising clinical trials of the first poly(2-oxazoline)-based drug conjugate. The huge chemical and structural toolbox poly(2-oxazoline)s and poly(2-oxazine)s has been extended very significantly in the last few years, but their potential still remains largely untapped. Here, specifically, the developments in macromolecular self-assemblies and non-covalent drug delivery systems such as polyplexes and drug nanoformulations based on poly(2-oxazoline)s and poly(2-oxazine)s are reviewed. This highly dynamic field benefits particularly from the extensive synthetic toolbox poly(2-oxazoline)s and poly(2-oxazine)s offer and also may have the largest potential for a further development. It is expected that the research dynamics will remain high in the next few years, particularly as more about the safety and therapeutic potential of poly(2-oxazoline)s and poly(2-oxazine)s is learned.
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Affiliation(s)
- Anna Zahoranová
- Institute of Applied Synthetic Chemistry Vienna University of Technology Getreidemarkt 9/163MC Vienna 1060 Austria
| | - Robert Luxenhofer
- Functional Polymer Materials Chair for Advanced Materials Synthesis Institute for Functional Materials and Biofabrication Department of Chemistry and Pharmacy Julius‐Maximilians‐Universität Würzburg Röntgenring 11 Würzburg 97070 Germany
- Soft Matter Chemistry Department of Chemistry Helsinki University Helsinki 00014 Finland
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Ghosh B, Biswas S. Polymeric micelles in cancer therapy: State of the art. J Control Release 2021; 332:127-147. [PMID: 33609621 DOI: 10.1016/j.jconrel.2021.02.016] [Citation(s) in RCA: 228] [Impact Index Per Article: 76.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 02/12/2021] [Accepted: 02/12/2021] [Indexed: 02/08/2023]
Abstract
In recent years, polymeric micelles have been extensively utilized in pre-clinical studies for delivering poorly soluble chemotherapeutic agents in cancer. Polymeric micelles are formed via self-assembly of amphiphilic polymers in facile manners. The wide availability of hydrophobic and, to some extent, hydrophilic polymeric blocks allow researchers to explore various polymeric combinations for optimum loading, stability, systemic circulation, and delivery to the target cancer tissues. Moreover, polymeric micelles could easily be tailor-made by increasing and decreasing the number of monomers in each polymeric chain. Some of the widely accepted hydrophobic polymers are poly(lactide) (PLA), poly(caprolactone) (PCL), poly(lactide-co-glycolide) (PLGA), polyesters, poly(amino acids), lipids. The hydrophilic polymers used to wrap the hydrophobic core are poly(ethylene glycol), poly(oxazolines), chitosan, dextran, and hyaluronic acids. Drugs could be conjugated to polymers at the distal ends to prepare pharmacologically active polymeric systems that impart enhanced solubility and stability of the conjugates and provide an opportunity for combination drug delivery. Their nano-size enables them to accumulate to the tumor microenvironment via the Enhanced Permeability and Retention (EPR) effect. Moreover, the stimuli-sensitive breakdown provides the micelles an effective means to deliver the therapeutic cargo effectively. The tumor micro-environmental stimuli are pH, hypoxia, and upregulated enzymes. Externally applied stimuli to destroy micellar disassembly to release the payload include light, ultrasound, and temperature. This article delineates the current trend in developing polymeric micelles combining various block polymeric scaffolds. The development of stimuli-sensitive micelles to achieve enhanced therapeutic activity are also discussed.
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Affiliation(s)
- Balaram Ghosh
- Nanomedicine Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Medchal, Hyderabad 500078, India
| | - Swati Biswas
- Nanomedicine Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad Campus, Medchal, Hyderabad 500078, India.
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Stenzel MH. The Trojan Horse Goes Wild: The Effect of Drug Loading on the Behavior of Nanoparticles. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202010934] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Martina H. Stenzel
- School of Chemistry University of New South Wales Sydney NSW 2052 Australia
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Halupczok S, Pfister M, Ringhand A, Fetsch C, Cubukova A, Appelt-Menzel A, Luxenhofer R. Poly(2-ethyl-2-oxazoline- co-N-propylethylene imine)s by controlled partial reduction of poly(2-ethyl-2-oxazoline): synthesis, characterization and cytotoxicity. Polym Chem 2021. [DOI: 10.1039/d0py01258k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cationic polymers obtained via partial reduction of poly(2-ethy-2-oxazoline)s were studied on their cytocompatibility and their buffer capacity in acidic environment.
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Affiliation(s)
- Sebastian Halupczok
- Polymer Functional Materials
- Chair for Advanced Materials Synthesis
- Department for Chemistry and Pharmacy
- Julius-Maximilians-Universität Würzburg
- 97070 Würzburg
| | - Maria Pfister
- Polymer Functional Materials
- Chair for Advanced Materials Synthesis
- Department for Chemistry and Pharmacy
- Julius-Maximilians-Universität Würzburg
- 97070 Würzburg
| | - Annemarie Ringhand
- Polymer Functional Materials
- Chair for Advanced Materials Synthesis
- Department for Chemistry and Pharmacy
- Julius-Maximilians-Universität Würzburg
- 97070 Würzburg
| | - Corinna Fetsch
- Polymer Functional Materials
- Chair for Advanced Materials Synthesis
- Department for Chemistry and Pharmacy
- Julius-Maximilians-Universität Würzburg
- 97070 Würzburg
| | - Alevtina Cubukova
- Fraunhofer Institute for Silicate Research ISC
- Translational Center Regenerative Therapies TLC-RT
- 97070 Würzburg
- Germany
| | - Antje Appelt-Menzel
- Fraunhofer Institute for Silicate Research ISC
- Translational Center Regenerative Therapies TLC-RT
- 97070 Würzburg
- Germany
- University Hospital Würzburg
| | - Robert Luxenhofer
- Polymer Functional Materials
- Chair for Advanced Materials Synthesis
- Department for Chemistry and Pharmacy
- Julius-Maximilians-Universität Würzburg
- 97070 Würzburg
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58
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Thotakura N, Parashar P, Raza K. Assessing the pharmacokinetics and toxicology of polymeric micelle conjugated therapeutics. Expert Opin Drug Metab Toxicol 2020; 17:323-332. [PMID: 33292023 DOI: 10.1080/17425255.2021.1862085] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Introduction: Analogous to nanocarriers such as nanoparticles, liposomes, nano lipoidal carriers, niosomes, and ethosomes, polymeric micelles have gained significance in the field of drug delivery. They have attracted scientists worldwide by their nanometric size, wide range of polymers available for building block synthesis, stability and potential to enhance the targeting and safety of drugs. Incorporation of drugs within the interior of polymeric micelles alters the drug pharmacokinetics, which generally results in increased efficiency.Areas covered: This review deals with the pharmacokinetics of various anti-neoplastic drugs loaded into micelles. The structure of polymeric micelles, polymers employed in their development and techniques involved will be discussed. This is followed by discussion on the pharmacokinetics of anti-cancer drugs loaded into polymeric micelles and the toxicity concerns associated.Expert opinion: Polymeric micelles are nanometeric carriers, with higher stability, polymeric flexibility and higher drug loading of poorly water-soluble drugs. These nanosystems help in increasing the bioavailability of drugs by encapsulating them within the hydrophobic core. The proper selection and design of the amphiphilic polymer for micelles is a crucial step as it decides the toxicity and the biocompatibility.
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Affiliation(s)
- Nagarani Thotakura
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Ajmer, Rajasthan, India
| | - Poonam Parashar
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University (A Central University), Lucknow, U.P, India
| | - Kaisar Raza
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Ajmer, Rajasthan, India
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Stenzel MH. The Trojan Horse Goes Wild: The Effect of Drug Loading on the Behavior of Nanoparticles. Angew Chem Int Ed Engl 2020; 60:2202-2206. [DOI: 10.1002/anie.202010934] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Indexed: 12/19/2022]
Affiliation(s)
- Martina H. Stenzel
- School of Chemistry University of New South Wales Sydney NSW 2052 Australia
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60
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Xie X, Yuan Z, Yuan Q, Huang Y, Yu Q, Ren J, Liang L, Jin H, Yu J. Preparation and characterization of amphiphilic nanoparticles based on chondroitin sulfate A conjugated with hydrophobic drug for enhanced doxorubicin delivery. Colloid Polym Sci 2020. [DOI: 10.1007/s00396-020-04778-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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61
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Hwang D, Ramsey JD, Kabanov AV. Polymeric micelles for the delivery of poorly soluble drugs: From nanoformulation to clinical approval. Adv Drug Deliv Rev 2020; 156:80-118. [PMID: 32980449 DOI: 10.1016/j.addr.2020.09.009] [Citation(s) in RCA: 261] [Impact Index Per Article: 65.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 09/18/2020] [Accepted: 09/21/2020] [Indexed: 01/04/2023]
Abstract
Over the last three decades, polymeric micelles have emerged as a highly promising drug delivery platform for therapeutic compounds. Particularly, poorly soluble small molecules with high potency and significant toxicity were encapsulated in polymeric micelles. Polymeric micelles have shown improved pharmacokinetic profiles in preclinical animal models and enhanced efficacy with a superior safety profile for therapeutic drugs. Several polymeric micelle formulations have reached the clinical stage and are either in clinical trials or are approved for human use. This furthers interest in this field and underscores the need for additional learning of how to best design and apply these micellar carriers to improve the clinical outcomes of many drugs. In this review, we provide detailed information on polymeric micelles for the solubilization of poorly soluble small molecules in topics such as the design of block copolymers, experimental and theoretical analysis of drug encapsulation in polymeric micelles, pharmacokinetics of drugs in polymeric micelles, regulatory approval pathways of nanomedicines, and current outcomes from micelle formulations in clinical trials. We aim to describe the latest information on advanced analytical approaches for elucidating molecular interactions within the core of polymeric micelles for effective solubilization as well as for analyzing nanomedicine's pharmacokinetic profiles. Taking into account the considerations described within, academic and industrial researchers can continue to elucidate novel interactions in polymeric micelles and capitalize on their potential as drug delivery vehicles to help improve therapeutic outcomes in systemic delivery.
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Affiliation(s)
- Duhyeong Hwang
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Jacob D Ramsey
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Alexander V Kabanov
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA; Laboratory of Chemical Design of Bionanomaterials, Faculty of Chemistry, M. V. Lomonosov Moscow State University, Moscow 119992, Russia.
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62
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Li X, Hu S, Lin Z, Yi J, Liu X, Tang X, Wu Q, Zhang G. Dual-responsive mesoporous silica nanoparticles coated with carbon dots and polymers for drug encapsulation and delivery. Nanomedicine (Lond) 2020; 15:2447-2458. [PMID: 32945224 DOI: 10.2217/nnm-2019-0440] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Aim: Smart mesoporous silica nanoparticles (MSNs) coated with carbon dots (CDs) and poly(N-vinylcaprolactam) (PNVCL) as a mixed shell (CDs/PNVCL polymer grafted MSNs) were prepared for pH-trigged anticancer drug release and real-time monitoring. Materials & methods: The amino-terminated PNVCL and amino-rich CDs were grafted onto the surface of aldehyde group functionalized MSNs through Schiff base reaction. Doxorubicin (DOX) was loaded into the prepared nanoparticles. Results: DOX could be quickly released in the tumor environment, leading to cell apoptosis. The linear fit between the percentage of released DOX and the fluorescence intensity of CDs indicated that the change in fluorescence intensity could be used to monitor drug release in real time. Conclusion: The as-prepared CDs/PNVCL polymer grafted MSNs are promising candidates for integrating controllable release and real-time monitoring in cancer treatment.
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Affiliation(s)
- Xiaona Li
- Liaoning Province Key Laboratory for Green Synthesis & Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, PR China
| | - Shun Hu
- Liaoning Province Key Laboratory for Green Synthesis & Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, PR China
| | - Zhe Lin
- Liaoning Province Key Laboratory for Green Synthesis & Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, PR China
| | - Jie Yi
- Liaoning Province Key Laboratory for Green Synthesis & Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, PR China
| | - Xue Liu
- Liaoning Province Key Laboratory for Green Synthesis & Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, PR China
| | - Xiuping Tang
- Liaoning Province Key Laboratory for Green Synthesis & Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, PR China
| | - Qiuhua Wu
- Liaoning Province Key Laboratory for Green Synthesis & Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, PR China
| | - Guolin Zhang
- Liaoning Province Key Laboratory for Green Synthesis & Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang, 110036, PR China
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Zhang X, Chen J, Cheng C, Li P, Cai F, Xu H, Lu Y, Cao N, Liu J, Wang J, Hua ZC, Zhuang H. Aspirin potentiates celecoxib-induced growth inhibition and apoptosis in human non-small cell lung cancer by targeting GRP78 activity. Ther Adv Med Oncol 2020; 12:1758835920947976. [PMID: 32994805 PMCID: PMC7502795 DOI: 10.1177/1758835920947976] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 07/13/2020] [Indexed: 12/24/2022] Open
Abstract
Background: Aspirin has recently emerged as an anticancer drug, but its therapeutic effect on lung cancer has been rarely reported, and the mechanism of action is still unclear. Long-term use of celecoxib in large doses causes serious side effects, and it is necessary to explore better ways to achieve curative effects. In this study, we evaluated the synergistic anticancer effects of celecoxib and aspirin in non-small cell lung cancer (NSCLC) cells. Methods: In vitro, we evaluated the combined effects of celecoxib (40 μM) and aspirin (8 mM) on cell apoptosis, cell cycle distribution, cell proliferation, cell migration and signaling pathways. Furthermore, the effect of aspirin (100 mg/kg body weight) and celecoxib (50 mg/kg body weight) on the growth of xenograft tumors was explored in vivo. Results: Our data suggest that cancer sensitivity to combined therapy using low concentrations of celecoxib and aspirin was higher than that of celecoxib or aspirin alone. Further research showed that the anti-tumor effect of celecoxib combined with aspirin was mainly produced by activating caspase-9/caspase-3, arresting cell cycle and inhibiting the ERK-MAPK signaling pathway. In addition, celecoxib alone or in combination with aspirin inhibited the migration and invasion of NSCLC cells by inhibiting MMP-9 and MMP-2 activity levels. Moreover, we identified GRP78 as a target protein of aspirin in NSCLC cells. Aspirin induced an endoplasmic reticulum stress response by inhibiting GRP78 activity. Furthermore, combination therapy also exhibited a better inhibitory effect on tumor growth in vivo. Conclusions: Our study provides a rationale for further detailed preclinical and potential clinical studies of the combination of celecoxib and aspirin for NSCLC therapy.
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Affiliation(s)
- Xiangyu Zhang
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, P. R. China
| | - Jia Chen
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, P. R. China
| | - Cheng Cheng
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, P. R. China
| | - Ping Li
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, P. R. China
| | - Fangfang Cai
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, P. R. China
| | - Huangru Xu
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, P. R. China
| | - Yanyan Lu
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, P. R. China
| | - Nini Cao
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, P. R. China
| | - Jia Liu
- The State Key Laboratory of Pharmaceutical Biotechnology, College of Life Sciences, Nanjing University, Nanjing, P. R. China
| | - Jigang Wang
- Department of Biological Science, National University of Singapore, Singapore, 117543, Singapore
| | - Zi-Chun Hua
- School of Life Sciences, Nanjing University, 163 Xianlin Blvd., Nanjing, 210023, China
| | - Hongqin Zhuang
- School of Life Sciences, Nanjing University, 163 Xianlin Blvd., Nanjing, 210023, China
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Zhao W, Cong Y, Li HM, Li S, Shen Y, Qi Q, Zhang Y, Li YZ, Tang YJ. Challenges and potential for improving the druggability of podophyllotoxin-derived drugs in cancer chemotherapy. Nat Prod Rep 2020; 38:470-488. [PMID: 32895676 DOI: 10.1039/d0np00041h] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Covering: up to 2020As a main bioactive component of the Chinese, Indian, and American Podophyllum species, the herbal medicine, podophyllotoxin (PTOX) exhibits broad spectrum pharmacological activity, such as superior antitumor activity and against multiple viruses. PTOX derivatives (PTOXs) could arrest the cell cycle, block the transitorily generated DNA/RNA breaks, and blunt the growth-stimulation by targeting topoisomerase II, tubulin, or insulin-like growth factor 1 receptor. Since 1983, etoposide (VP-16) is being used in frontline cancer therapy against various cancer types, such as small cell lung cancer and testicular cancer. Surprisingly, VP-16 (ClinicalTrials NTC04356690) was also redeveloped to treat the cytokine storm in coronavirus disease 2019 (COVID-19) in phase II in April 2020. The treatment aims at dampening the cytokine storm and is based on etoposide in the case of central nervous system. However, the initial version of PTOX was far from perfect. Almost all podophyllotoxin derivatives, including the FDA-approved drugs VP-16 and teniposide, were seriously limited in clinical therapy due to systemic toxicity, drug resistance, and low bioavailability. To meet this challenge, scientists have devoted continuous efforts to discover new candidate drugs and have developed drug strategies. This review focuses on the current clinical treatment of PTOXs and the prospective analysis for improving druggability in the rational design of new generation PTOX-derived drugs.
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Affiliation(s)
- Wei Zhao
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China.
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65
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Formulation and in vitro evaluation of upconversion nanoparticle-loaded liposomes for brain cancer. Ther Deliv 2020; 11:557-571. [PMID: 32867624 DOI: 10.4155/tde-2020-0070] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Aim: This work focused on the development of transferrin-conjugated theranostic liposomes consisting of docetaxel (DXL) and upconversion nanoparticles for the diagnosis and treatment of gliomas. Materials & methods: Upconversion nanoparticles and docetaxel-loaded theranostic liposomes were prepared by a solvent injection method. Formulations were analyzed for physicochemical properties, encapsulation efficiency, drug release, elemental analysis, cytotoxicity and fluorescence. Results: The particle size was around 200 nm with spherical morphology and an encapsulation efficiency of up to 75.93%, was achieved for liposomes with an in vitro drug release of 71.10%. The IC50 values demonstrated enhanced cytotoxicity on C6 glioma cells with targeted liposomes in comparison with nontargeted liposomes. Conclusion: Prepared theranostic liposomes may be promising for clinical validation after an in vitro and in vivo evaluation on cell lines and animals, respectively.
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66
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Landry M, DuRoss A, Neufeld M, Hahn L, Sahay G, Luxenhofer R, Sun C. Low dose novel PARP-PI3K inhibition via nanoformulation improves colorectal cancer immunoradiotherapy. Mater Today Bio 2020; 8:100082. [PMID: 33294836 PMCID: PMC7689338 DOI: 10.1016/j.mtbio.2020.100082] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/20/2020] [Accepted: 10/08/2020] [Indexed: 12/14/2022] Open
Abstract
Multimodal therapy is often used in oncology to overcome dosing limitations and chemoresistance. Recently, combination immunoradiotherapy has shown great promise in a select subset of patients with colorectal cancer (CRC). Furthermore, molecularly targeted agents delivered in tandem with immunotherapy regimens have been suggested to improve treatment outcomes and expand the population of responding patients. In this study, radiation-sensitizing small molecules niraparib (PARP inhibitor) and HS-173 (PI3K inhibitor) are identified as a novel combination that synergistically enhance toxicity and induce immunogenic cell death both in vitro and in vivo in a CRC model. These inhibitors were co-encapsulated in a polymer micelle to overcome solubility limitations while minimizing off-target toxicity. Mice bearing syngeneic colorectal tumors (CT26) were administered these therapeutic micelles in combination with X-ray irradiation and anti-CTLA-4 immunotherapy. This combination led to enhanced efficacy demonstrated by improved tumor control and increased tumor infiltrating lymphocytes. This report represents the first investigation of DNA damage repair inhibition combined with radiation to potentiate anti-CTLA-4 immunotherapy in a CRC model.
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Affiliation(s)
- M.R. Landry
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Portland, 97201, OR, USA
| | - A.N. DuRoss
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Portland, 97201, OR, USA
| | - M.J. Neufeld
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Portland, 97201, OR, USA
| | - L. Hahn
- Department of Chemistry and Pharmacy, University Würzburg, Röntgenring 11, Würzburg, 97070, Germany
| | - G. Sahay
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Portland, 97201, OR, USA
- Department of Biomedical Engineering, School of Medicine, Oregon Health & Science University, Portland, 97201, OR, USA
| | - R. Luxenhofer
- Department of Chemistry and Pharmacy, University Würzburg, Röntgenring 11, Würzburg, 97070, Germany
- Soft Matter Chemistry, Department of Chemistry, University of Helsinki, Helsinki, 00014, Finland
| | - C. Sun
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Portland, 97201, OR, USA
- Department of Radiation Medicine, School of Medicine, Oregon Health & Science University, Portland, 97239, OR, USA
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67
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Wang W, Hao Y, Liu Y, Li R, Huang DB, Pan YY. Nanomedicine in lung cancer: Current states of overcoming drug resistance and improving cancer immunotherapy. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2020; 13:e1654. [PMID: 32700465 DOI: 10.1002/wnan.1654] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 05/16/2020] [Accepted: 05/18/2020] [Indexed: 12/20/2022]
Abstract
Lung cancer is considered to cause the most cancer-related deaths worldwide. Due to the deficiency in early-stage diagnostics and local invasion or distant metastasis, the first line of treatment for most patients unsuitable for surgery is chemotherapy, targeted therapy or immunotherapy. Nanocarriers with the function of improving drug solubility, in vivo stability, drug distribution in the body, and sustained and targeted delivery, can effectively improve the effect of drug treatment and reduce toxic and side effects, and have been used in clinical treatment for lung cancer and many types of cancers. Here, we review nanoparticle (NP) formulation for lung cancer treatment including liposomes, polymers, and inorganic NPs via systemic and inhaled administration, and highlight the works of overcoming drug resistance and improving cancer immunotherapy. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease.
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Affiliation(s)
- Wei Wang
- Department of Medical Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Yuhao Hao
- Department of Chemistry, University of Science and Technology of China, Hefei, China
| | - Yusheng Liu
- Department of Chemistry, University of Science and Technology of China, Hefei, China
| | - Rui Li
- Department of Chemistry, University of Science and Technology of China, Hefei, China
| | - Da-Bing Huang
- Department of Medical Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Yue-Yin Pan
- Department of Medical Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
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68
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Cao C, Chen F, Garvey CJ, Stenzel MH. Drug-Directed Morphology Changes in Polymerization-Induced Self-Assembly (PISA) Influence the Biological Behavior of Nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2020; 12:30221-30233. [PMID: 32515935 DOI: 10.1021/acsami.0c09054] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The effect of the hydrophobic block length on the morphologies of polymerization-induced self-assembled (PISA) nanoparticles is well understood. However, the influence of drug loading on the phase morphology of the nanoparticles during the PISA process, and the resulting biological function of PISA nanoparticles, has barely been investigated. In this work, we show that the addition of a drug, curcumin, during the PISA process shifts the phase diagram toward different morphologies. The PISA system was based on hydrophilic poly(2-(methacryloyloxy)ethylphosphorylcholine) (PMPC), which was chain extended with hydrophobic methyl methacrylate (MMA) in various concentrations of curcumin. According to transmission electron microscopy, the presence of curcumin led to the transition of, for example, worms to polymersome and micelles to worms analysis. To understand the interaction between polymer particles and drug, small-angle X-ray scattering (SAXS), small-angle neutron scattering (SANS), and fluorescence lifetime measurements were carried out. These measurements show that curcumin is predominantly located in the core in the case of micelles and worms while it is found in the shell of polymersomes. The change in morphology influences the cellular uptake by MCF-7 cells and the movement of the particles in multicellular cancer spheroids (3D model). With the increasing amount of drug, the cellular uptake of micelles and worms was enhanced with the increasing grafting density of MPC chains, which contrasts the decreasing cellular uptake in the higher drug-loaded polymersomes due to the lower shell hydration.
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Affiliation(s)
- Cheng Cao
- Centre for Advanced Macromolecular Design, School of Chemistry, The University of New South Wales, Sydney 2052, Australia
- Australia Nuclear Science and Technology Organisation, Lucas Heights 2234, Australia
| | - Fan Chen
- Centre for Advanced Macromolecular Design, School of Chemistry, The University of New South Wales, Sydney 2052, Australia
| | - Christopher J Garvey
- Australia Nuclear Science and Technology Organisation, Lucas Heights 2234, Australia
- Lund Institute for Advanced Neutron and X-ray Scattering, Lund 22100, Sweden
- Biofilm-Research Center for Biointerfaces and Biomedical Science Department, Faculty of Health and Society, Malmö University, Malmö 20506, Sweden
| | - Martina H Stenzel
- Centre for Advanced Macromolecular Design, School of Chemistry, The University of New South Wales, Sydney 2052, Australia
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Structural and therapeutic properties of Pluronic® P123/F127 micellar systems and their modulation by salt and essential oil. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113231] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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70
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Haider MS, Lübtow MM, Endres S, Forster S, Flegler VJ, Böttcher B, Aseyev V, Pöppler AC, Luxenhofer R. Think Beyond the Core: Impact of the Hydrophilic Corona on Drug Solubilization Using Polymer Micelles. ACS APPLIED MATERIALS & INTERFACES 2020; 12:24531-24543. [PMID: 32378873 DOI: 10.1021/acsami.9b22495] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Polymeric micelles are typically characterized as core-shell structures. The hydrophobic core is considered as a depot for hydrophobic molecules, and the corona-forming block acts as a stabilizing and solubilizing interface between the core and aqueous milieu. Tremendous efforts have been made to tune the hydrophobic block to increase the drug loading and stability of micelles, whereas the role of hydrophilic blocks is rarely investigated in this context, with poly(ethylene glycol) (PEG) being the gold standard of hydrophilic polymers. To better understand the role of the hydrophilic corona, a small library of structurally similar A-B-A-type amphiphiles based on poly(2-oxazoline)s and poly(2-oxazine)s is investigated by varying the hydrophilic block A utilizing poly(2-methyl-2-oxazoline) (pMeOx; A) or poly(2-ethyl-2-oxazoline) (pEtOx; A*). In terms of hydrophilicity, both polymers closely resemble PEG. The more hydrophobic block B bears either a poly(2-oxazoline) and poly(2-oxazine) backbone with C3 (propyl) and C4 (butyl) side chains. Surprisingly, major differences in loading capacities from A-B-A > A*-B-A > A*-B-A* is observed for the formulation with two poorly water-soluble compounds, curcumin and paclitaxel, highlighting the importance of the hydrophilic corona of polymer micelles used for drug formulation. The formulations are also characterized by various nuclear magnetic resonance spectroscopy methods, dynamic light scattering, cryogenic transmission electron microscopy, and (micro) differential scanning calorimetry. Our findings suggest that the interaction between the hydrophilic block and the guest molecule should be considered an important, but previously largely ignored, factor for the rational design of polymeric micelles.
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Affiliation(s)
- Malik Salman Haider
- Functional Polymer Materials, Chair for Chemical Technology of Material Synthesis and Bavarian Polymer Institute, Faculty of Chemistry and Pharmacy, University of Würzburg, Röntgenring 11, 97070 Würzburg, Germany
| | - Michael M Lübtow
- Functional Polymer Materials, Chair for Chemical Technology of Material Synthesis and Bavarian Polymer Institute, Faculty of Chemistry and Pharmacy, University of Würzburg, Röntgenring 11, 97070 Würzburg, Germany
| | - Sebastian Endres
- Institute of Organic Chemistry, Faculty of Chemistry and Pharmacy, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Stefan Forster
- Functional Polymer Materials, Chair for Chemical Technology of Material Synthesis and Bavarian Polymer Institute, Faculty of Chemistry and Pharmacy, University of Würzburg, Röntgenring 11, 97070 Würzburg, Germany
| | - Vanessa J Flegler
- Biocenter and Rudolf Virchow Centre, University of Würzburg, Haus D15, Josef-Schneider-Str. 2, 97080 Würzburg, Germany
| | - Bettina Böttcher
- Biocenter and Rudolf Virchow Centre, University of Würzburg, Haus D15, Josef-Schneider-Str. 2, 97080 Würzburg, Germany
| | - Vladimir Aseyev
- Department of Chemistry, University of Helsinki, PB 55, Helsinki FIN-00014, Finland
| | - Ann-Christin Pöppler
- Institute of Organic Chemistry, Faculty of Chemistry and Pharmacy, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Robert Luxenhofer
- Functional Polymer Materials, Chair for Chemical Technology of Material Synthesis and Bavarian Polymer Institute, Faculty of Chemistry and Pharmacy, University of Würzburg, Röntgenring 11, 97070 Würzburg, Germany
- Department of Chemistry, University of Helsinki, PB 55, Helsinki FIN-00014, Finland
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71
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Vinod N, Hwang D, Azam SH, Van Swearingen AED, Wayne E, Fussell SC, Sokolsky-Papkov M, Pecot CV, Kabanov AV. High-capacity poly(2-oxazoline) formulation of TLR 7/8 agonist extends survival in a chemo-insensitive, metastatic model of lung adenocarcinoma. SCIENCE ADVANCES 2020; 6:eaba5542. [PMID: 32596460 PMCID: PMC7299629 DOI: 10.1126/sciadv.aba5542] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 05/06/2020] [Indexed: 05/03/2023]
Abstract
About 40% of patients with non-small cell lung cancer (NSCLC) have stage IV cancer at the time of diagnosis. The only viable treatment options for metastatic disease are systemic chemotherapy and immunotherapy. Nonetheless, chemoresistance remains a major cause of chemotherapy failure. New immunotherapeutic modalities such as anti-PD-1 immune checkpoint blockade have shown promise; however, response to such strategies is highly variable across patients. Here, we show that our unique poly(2-oxazoline)-based nanomicellar formulation (PM) of Resiquimod, an imidazoquinoline Toll-like receptor (TLR) 7/8 agonist, had a superior tumor inhibitory effect in a metastatic model of lung adenocarcinoma, relative to anti-PD-1 therapy or platinum-based chemotherapy. Investigation of the in vivo immune status following Resiquimod PM treatment showed that Resiquimod-based stimulation of antigen-presenting cells in the tumor microenvironment resulted in the mobilization of an antitumor CD8+ immune response. Our study demonstrates the promise of poly(2-oxazoline)-formulated Resiquimod for treating metastatic NSCLC.
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Affiliation(s)
- Natasha Vinod
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
- Joint UNC/NC State Department of Biomedical Engineering, University of North Carolina, Chapel Hill, NC 27599-7575, USA
| | - Duhyeong Hwang
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Salma H. Azam
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Amanda E. D. Van Swearingen
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Elizabeth Wayne
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Sloane Christian Fussell
- Department of Biology, Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Marina Sokolsky-Papkov
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Chad V. Pecot
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Division of Hematology and Oncology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Alexander V. Kabanov
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
- Laboratory of Chemical Design of Bionanomaterials, Faculty of Chemistry, M.V. Lomonosov Moscow State University, Moscow 119992, Russia
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72
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Ridolfo R, Arends JJ, van Hest JCM, Williams DS. Wormlike Nanovector with Enhanced Drug Loading Using Blends of Biodegradable Block Copolymers. Biomacromolecules 2020; 21:2199-2207. [PMID: 32208660 DOI: 10.1021/acs.biomac.0c00169] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The application of nanoparticles comprising amphiphilic block copolymers for the delivery of drugs is a subject of great interest as they hold promise for more effective and selective therapies. In order to achieve this ambition, it is of critical importance to develop our understanding of the self-assembly mechanisms by which block copolymers undergo so that we can control their morphology, tune their ability to be loaded with biofunctional cargoes, and optimize their interactions with target cells. To this end, we have developed a strategy by which blends of (biocompatible) amphiphilic block copolymers generate nonspherical nanovectors, simultaneously enhancing drug loading without the need for subsequent purification owing to the use of the biocompatible direct hydration approach. The principal morphology achieved using this blending strategy are wormlike nanovectors (nanoworms, NWs), with an elongated form known to have a profound effect on flow behavior and interactions with cells. Unloaded nanoworms are not toxic toward human retinal (ARPE-19) cells and can be effectively endocytosed even after varying the surface charge. In terms of drug loading, we demonstrate that uptake of dexamethasone (DEX; a clinically relevant therapeutic agent) in nanoworms (DEX@NWs) can be enhanced using this process, increasing drug content up to 0.5 mg/mL (10 wt % in particles). Furthermore, such nanoworms are stable for at least 5 months and are, therefore, a promising platform for nanomedicine applications.
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Affiliation(s)
- Roxane Ridolfo
- Bio-Organic Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513 (STO 3.41), 5600 MB Eindhoven, The Netherlands
| | - Jeanrick J Arends
- Bio-Organic Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513 (STO 3.41), 5600 MB Eindhoven, The Netherlands
| | - Jan C M van Hest
- Bio-Organic Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513 (STO 3.41), 5600 MB Eindhoven, The Netherlands
| | - David S Williams
- Department of Chemistry, College of Science, Swansea University, Swansea, United Kingdom
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73
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Sochor B, Düdükcü Ö, Lübtow MM, Schummer B, Jaksch S, Luxenhofer R. Probing the Complex Loading-Dependent Structural Changes in Ultrahigh Drug-Loaded Polymer Micelles by Small-Angle Neutron Scattering. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:3494-3503. [PMID: 32203667 DOI: 10.1021/acs.langmuir.9b03460] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Drug-loaded polymer micelles or nanoparticles are being continuously explored in the fields of drug delivery and nanomedicine. Commonly, a simple core-shell structure is assumed, in which the core incorporates the drug and the corona provides steric shielding, colloidal stability, and prevents protein adsorption. Recently, the interactions of the dissolved drug with the micellar corona have received increasing attention. Here, using small-angle neutron scattering, we provide an in-depth study of the differences in polymer micelle morphology of a small selection of structurally closely related polymer micelles at different loadings with the model compound curcumin. This work supports a previous study using solid-state nuclear magnetic resonance spectroscopy and we confirm that the drug resides predominantly in the core of the micelle at low drug loading. As the drug loading increases, neutron scattering data suggests that an inner shell is formed, which we interpret as the corona also starting to incorporate the drug, whereas the outer shell mainly contains water and the polymer. The presented data clearly shows that a better understanding of the inner morphology and the impact of the hydrophilic block can be important parameters for improved drug loading in polymer micelles as well as provide insights into the structure-property relationship.
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Affiliation(s)
- Benedikt Sochor
- Chair of X-Ray Microscopy, Department of Physics and Astronomy, University Würzburg, Campus Hubland Nord, Josef-Martin-Weg 63, 97074 Würzburg, Germany
| | - Özgür Düdükcü
- Chair of X-Ray Microscopy, Department of Physics and Astronomy, University Würzburg, Campus Hubland Nord, Josef-Martin-Weg 63, 97074 Würzburg, Germany
| | - Michael M Lübtow
- Functional Polymer Materials, Chair for Advanced Materials Synthesis, Department of Chemistry and Pharmacy and Bavarian Polymer Institute, University of Würzburg, Röntgenring 11, 97070 Würzburg, Germany
| | - Bernhard Schummer
- Fraunhofer Institute for Integrated Circuits, X-Ray Development Center EZRT, Flugplatzstraße 75, 90768 Fürth, Germany
| | - Sebastian Jaksch
- Forschungszentrum Jülich GmbH, Jülich Center for Neutron Science (JCNS) at Heinz Maier-Leibnitz Zentrum, Lichtenberstraße 1, 85747 Garching, Germany
| | - Robert Luxenhofer
- Functional Polymer Materials, Chair for Advanced Materials Synthesis, Department of Chemistry and Pharmacy and Bavarian Polymer Institute, University of Würzburg, Röntgenring 11, 97070 Würzburg, Germany
- Soft Matter Chemistry, Department of Chemistry, University of Helsinki, 00014 Helsinki, Finland
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74
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Russell LM, Liu CH, Grodzinski P. Nanomaterials innovation as an enabler for effective cancer interventions. Biomaterials 2020; 242:119926. [PMID: 32169771 DOI: 10.1016/j.biomaterials.2020.119926] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 02/24/2020] [Accepted: 02/26/2020] [Indexed: 12/13/2022]
Abstract
Nanomedicines have been developing very rapidly and have started to play a significant role in several cancer therapeutic modalities. Early on, the nanomedicine field focused on optimizing pharmacokinetics, toxicity, and/or biodistribution of an agent through nanoparticle formulation. In other cases, where materials science is employed more decisively, nanomedicine can include the creation of new agents that take advantage of nanoscale materials properties to enhance treatment efficacy through unique mode of action, molecular targeting, or controlled drug release. Both current and future nanomedicines will seek to contribute to the therapeutic and diagnostic landscape through creative leveraging of mechanical, electrical, optical, magnetic, and biological nanomaterial properties. In this work, we discuss how by modulating these material properties, one can design more diverse and more effective cancer interventions. We focus on six areas in cancer management, including in vitro diagnostics, clinical imaging, theranostics, combination therapy, immunotherapy, and gene therapy.
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Affiliation(s)
- Luisa M Russell
- Nanodelivery Systems and Devices Branch, Cancer Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Christina H Liu
- Nanodelivery Systems and Devices Branch, Cancer Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Piotr Grodzinski
- Nanodelivery Systems and Devices Branch, Cancer Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA.
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75
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Shi M, Zhang J, Huang Z, Chen Y, Pan S, Hu H, Qiao M, Chen D, Zhao X. Stimuli-responsive release and efficient siRNA delivery in non-small cell lung cancer by a poly(l-histidine)-based multifunctional nanoplatform. J Mater Chem B 2020; 8:1616-1628. [PMID: 32010914 DOI: 10.1039/c9tb02764e] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Small interfering RNA (siRNA) has extensive potential for the treatment of non-small cell lung cancer (NSCLC). While both cationic lipids and polymers have demonstrated promise to facilitate siRNA encapsulation, they can also hamper cytosolic siRNA release and induce severe cytotoxicity. To address these issues, a unique polymer hybrid nanoparticle (NP) nanoplatform was developed for multistage siRNA delivery based on both pH-responsive and endo/lysosomal escape characteristics, which was formed via a combination of an electrostatic interactions between the copolymer methoxy poly(ethylene glycol)-poly(l-histidine)-poly(sulfadimethoxine) (mPEG-PHis-PSD, shortened to PHD), dendritic poly-l-lysine (PLL) and PLK1 siRNA (shortened to siPLK1). The biological composition of the proton sponge effect polymer of the PHis chain, which was in position to make efficient endo/lysosomal escape, and the pH-responsive polymer of the PSD fragment, which could accelerate the release of siPLK1. In the present study, the NP illustrated excellent physiochemical properties and rapid endo/lysosomal escape in vitro. Besides this, compared with the PD/PLL/siRNA formulation, the PHD/PLL/siRNA NP indicated higher cellular uptake, and higher cell cytotoxicity in vitro. The in vivo results demonstrated that the PHD/PLL/siRNA NP exhibited the strongest tumor growth inhibition rate and ideal safety compared with the control and other siPLK1-treated formulations, which can be mainly attributed to pH-induced instantaneous dissociation and efficient endo/lysosomal escape arising from the PHD copolymer. Consequently, the above evidence indicates that the PHD/PLL/siRNA NP is a favorable gene delivery system and provides a potential strategy for siRNA delivery.
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Affiliation(s)
- Menghao Shi
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103 Wenhua Road, Liaoning Province, China.
| | - Jiulong Zhang
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103 Wenhua Road, Liaoning Province, China.
| | - Ziyuan Huang
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103 Wenhua Road, Liaoning Province, China.
| | - Yuying Chen
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103 Wenhua Road, Liaoning Province, China.
| | - Shuang Pan
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103 Wenhua Road, Liaoning Province, China.
| | - Haiyang Hu
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103 Wenhua Road, Liaoning Province, China.
| | - Mingxi Qiao
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103 Wenhua Road, Liaoning Province, China.
| | - Dawei Chen
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103 Wenhua Road, Liaoning Province, China.
| | - Xiuli Zhao
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103 Wenhua Road, Liaoning Province, China.
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76
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He W, Xiao W, Zhang X, Sun Y, Chen Y, Chen Q, Fang X, Du S, Sha X. Pulmonary-Affinity Paclitaxel Polymer Micelles in Response to Biological Functions of Ambroxol Enhance Therapeutic Effect on Lung Cancer. Int J Nanomedicine 2020; 15:779-793. [PMID: 32099365 PMCID: PMC7007785 DOI: 10.2147/ijn.s229576] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 01/14/2020] [Indexed: 12/21/2022] Open
Abstract
Purpose Cancer chemotherapy effect has been largely limited by cell autophagy and little drug accumulation at the action sites. Herein, we designed an intelligent strategy involving paclitaxel (PTX) polymer micelles in response to biological functions of ambroxol (Ax). The amphiphilic polymers polyethyleneglycol-polylactic acid (PEG-PLA) and Pluronic P105 were selected as nanocarriers to encapsulate PTX to form into lung affinity PEG-PLA/P105/PTX micelles. Ax which can up-regulate the secretion of pulmonary surfactant (PS) and inhibit autophagy was hired to change the microenvironment of the lung, thereby promoting the lung accumulation and increasing cell-killing sensitivity of the micelles. Methods The physical and chemical properties of the micelles were characterized including size, morphology, critical micellar concentration (CMC) and in vitro drug release behavior. The therapeutic effects of the combination regimen were characterized both in vitro and in vivo including study on Ax in promoting the secretion of pulmonary surfactant, in vitro cytotoxicity, cellular uptake, Western blotting, in vivo biodistribution, in vivo pharmacokinetics and in vivo antitumor efficacy. Results The PEG-PLA/P105/PTX micelles showed a particle size of 16.7 ± 0.5 nm, a nearly round shape, small CMC and sustained drug release property. Moreover, the in vitro results indicated that Ax could increase PS and LC3 protein secretion and enhance the cytotoxicity of PEG-PLA/P105/PTX micelles toward A549 cells. The in vivo results indicated that the combination therapeutic regimen could promote the micelles to distribute in lung and enhance the therapeutic effect on lung cancer. Conclusion This multifunctional approach of modulating the tumor microenvironment to enhance drug transportation and cell-killing sensitivity in the action sites might offer a new avenue for effective lung cancer treatment.
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Affiliation(s)
- Wenxiu He
- Key Laboratory of Smart Drug Delivery, Ministry of Education, Center for Medical Research and Innovation, Shanghai Pudong Hospital, School of Pharmacy, Fudan University, Shanghai 201203, People's Republic of China
| | - Wenze Xiao
- Department of Rheumatology, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201399, People's Republic of China
| | - Xiulei Zhang
- Key Laboratory of Smart Drug Delivery, Ministry of Education, Center for Medical Research and Innovation, Shanghai Pudong Hospital, School of Pharmacy, Fudan University, Shanghai 201203, People's Republic of China
| | - Yali Sun
- Key Laboratory of Smart Drug Delivery, Ministry of Education, Center for Medical Research and Innovation, Shanghai Pudong Hospital, School of Pharmacy, Fudan University, Shanghai 201203, People's Republic of China
| | - Yiting Chen
- Key Laboratory of Smart Drug Delivery, Ministry of Education, Center for Medical Research and Innovation, Shanghai Pudong Hospital, School of Pharmacy, Fudan University, Shanghai 201203, People's Republic of China
| | - Qinyue Chen
- Key Laboratory of Smart Drug Delivery, Ministry of Education, Center for Medical Research and Innovation, Shanghai Pudong Hospital, School of Pharmacy, Fudan University, Shanghai 201203, People's Republic of China
| | - Xiaoling Fang
- Key Laboratory of Smart Drug Delivery, Ministry of Education, Center for Medical Research and Innovation, Shanghai Pudong Hospital, School of Pharmacy, Fudan University, Shanghai 201203, People's Republic of China
| | - Shilin Du
- Department of Emergency Medicine, Zhongshan Hospital, Fudan University, Shanghai 200032, People's Republic of China
| | - Xianyi Sha
- Key Laboratory of Smart Drug Delivery, Ministry of Education, Center for Medical Research and Innovation, Shanghai Pudong Hospital, School of Pharmacy, Fudan University, Shanghai 201203, People's Republic of China.,The Institutes of Integrative Medicine of Fudan University, Shanghai 200040, People's Republic of China
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Zheng K, Liu H, Liu X, Wang Y, Li L, Li S, Xue J, Huang M. Tumor Targeting Chemo- and Photodynamic Therapy Packaged in Albumin for Enhanced Anti-Tumor Efficacy. Int J Nanomedicine 2020; 15:151-167. [PMID: 32021171 PMCID: PMC6968805 DOI: 10.2147/ijn.s227144] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Accepted: 12/16/2019] [Indexed: 12/21/2022] Open
Abstract
PURPOSE Combination therapy for tumors is an important and promising strategy to improve therapeutic efficiency. This study aims at combining tumor targeting, chemo-, and photodynamic therapies to improve the anti-tumor performance. PATIENTS AND METHODS Human serum albumin (HSA), as a nontoxic and biodegradable drug carrier, was used to load hydrophobic photosensitizers (mono-substituted β-4-pyridyloxy phthalocyanine zinc, mPPZ) by a dilution-incubation-purification (DIP) strategy to form molecular complex HSA:mPPZ. This complex was cross-linked as nanoparticles, and then chemotherapy drug doxorubicin (DOX) was adsorbed into the nanoparticles to achieve combined photodynamic therapy and chemotherapy. Next, the surface of the obtained composite was modified by a tumor surface receptor (urokinase receptor) targeting agent (ATF-HSA) using a noncovalent method to obtain the final product (ATF-HSA@HSA:mPPZ:DOX nanoparticles, AHmDN). RESULTS AHmDN exhibited strong stability, remarkable cytotoxicity and higher uptake to tumor cells. Cell imaging analysis indicated that DOX was separated from AHmDN and uniformly distributed in cell nucleus while mPPZ localized in cytoplasm. The PDT activity of all the samples had been confirmed by the detection of intracellular ROS. In animal experiments, AHmDN was demonstrated to have a prominent tumor-targeting effect using a 3D imaging system. In addition, the enhanced antitumor effect of AHmDN in tumor-bearing mice was also been observed. Importantly, the tumor-targeting effect of such nanoparticles lasted for about 14 days after one injection. CONCLUSION These albumin nanoparticles with combined functions of tumor targeting, chemotherapy and photodynamic therapy can highly enhance the anti-tumor effect. This drug delivery system can be applied to package other hydrophobic photosensitizers and chemotherapy drugs for improving therapeutic efficacy to tumors.
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Affiliation(s)
- Ke Zheng
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, Shandong266042, People’s Republic of China
- College of Chemistry, Fuzhou University, Fuzhou, Fujian350118, People’s Republic of China
- Key Laboratory of Pharmaceutical Research for Metabolic Disease, Qingdao University of Science and Technology, Qingdao, Shandong266042, People’s Republic of China
| | - Hongyan Liu
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, Shandong266042, People’s Republic of China
| | - Xinxin Liu
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, Shandong266042, People’s Republic of China
| | - Ying Wang
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, Shandong266042, People’s Republic of China
| | - Linlin Li
- College of Chemistry, Fuzhou University, Fuzhou, Fujian350118, People’s Republic of China
| | - Shijie Li
- College of Chemistry, Fuzhou University, Fuzhou, Fujian350118, People’s Republic of China
| | - Jinping Xue
- College of Chemistry, Fuzhou University, Fuzhou, Fujian350118, People’s Republic of China
| | - Mingdong Huang
- College of Chemistry, Fuzhou University, Fuzhou, Fujian350118, People’s Republic of China
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78
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Luo H, Jiang K, Liang X, Liu H, Li Y. Small molecule-mediated self-assembly behaviors of Pluronic block copolymers in aqueous solution: impact of hydrogen bonding on the morphological transition of Pluronic micelles. SOFT MATTER 2020; 16:142-151. [PMID: 31774100 DOI: 10.1039/c9sm01644a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The influence of hydrogen bonding on the self-assembly behaviors of Pluronic P123 micelles is experimentally and theoretically investigated by introducing three small molecules, i.e. propyl benzoate (PB), propyl paraben (PP) and propyl gallate (PG) into the aqueous solution. It is discovered that the number of phenolic hydroxyl groups and concentration of the tested small molecules exhibit a profound impact on the micellar morphology. Although all the small molecules increase the size and polydispersity of Pluronic micelles in a concentration-dependent manner, the micellar morphologies induced by them vary considerably as demonstrated by DLS and cryo-TEM measurement. PB, without phenolic hydroxyl, cannot bring about the morphological change of P123 micelles, while PP induces a series of morphological transitions from spheres to long worm-like micelles and then to unilamellar vesicles by increasing the PP content. Upon increasing the number of phenolic hydroxyls in small molecules, i.e. PG, the fusion of the intermicellar core takes place, resulting in the formation of large micelles and micellar clusters. A qualitative study by NMR reveals that the different locations of small molecules within the micelles are attributed to the balance of hydrogen bonding and hydrophobic interaction between small molecules and copolymers. In addition, molecular dynamics simulations (MDS) are performed to further confirm the experimental results and provide quantitative information on intermolecular interaction strength. It is supposed that the mechanism of micellar morphological transition mediated by small molecules is ascribed to the hydrogen bonding interactions with varying strengths between the PEO blocks and their phenolic hydroxyls, which governs their locations in micelles, affecting the free energies from different regions of micelles, and consequently leads to the varying micellar morphologies. This study deepens our understanding of the role of hydrgen bonding in the self-assembly behaviors of Pluronic micelles and provides an alternative strategy for manipulating the nanostructure of Pluronic micelles.
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Affiliation(s)
- Haiyan Luo
- CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China. and School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Kun Jiang
- CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China. and School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiangfeng Liang
- CAS Key Laboratory of Bio-Based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266061, China
| | - Huizhou Liu
- CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
| | - Yingbo Li
- CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
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79
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Špadina M, Bohinc K, Zemb T, Dufrêche JF. Synergistic Solvent Extraction Is Driven by Entropy. ACS NANO 2019; 13:13745-13758. [PMID: 31710459 DOI: 10.1021/acsnano.9b07605] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
In solvent extraction, the self-assembly of amphiphilic molecules into an organized structure is the phenomenon responsible for the transfer of the metal ion from the aqueous phase to the organic solvent. Despite their significance for chemical engineering and separation science, the forces driving the solute transfer are not fully understood. Instead of assuming the simple complexation reaction with predefined stoichiometry, we model synergistic extraction systems by a colloidal approach that explicitly takes into account the self-assembly resulting from the amphiphilic nature of the extractants. Contrary to the current paradigm of simple stoichiometry behind liquid-liquid extraction, there is a severe polydispersity of aggregates completely different in compositions, but similar in the free energy. This variety of structures on the nanoscale is responsible for the synergistic transfer of ions to the organic phase. Synergy can be understood as a reciprocal effect of chelation: it enhances extraction because it increases the configurational entropy of an extracted ion. The global overview of the complex nature of a synergistic mixture shows different regimes in self-assembly, and thus in the extraction efficiency, which can be tuned with respect to the green chemistry aspect.
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Affiliation(s)
- Mario Špadina
- ICSM , CEA, CNRS, ENSCM, Univ Montpellier, Marcoule F-30207 , France
| | - Klemen Bohinc
- Faculty of Health Sciences , University of Ljubljana , 1000 Ljubljana , Slovenia
| | - Thomas Zemb
- ICSM , CEA, CNRS, ENSCM, Univ Montpellier, Marcoule F-30207 , France
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Sedlacek O, Hoogenboom R. Drug Delivery Systems Based on Poly(2‐Oxazoline)s and Poly(2‐Oxazine)s. ADVANCED THERAPEUTICS 2019. [DOI: 10.1002/adtp.201900168] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Ondrej Sedlacek
- Supramolecular Chemistry GroupCentre of Macromolecular Chemistry (CMaC)Department of Organic and Macromolecular ChemistryGhent University Krijgslaan 281 S4 B‐9000 Ghent Belgium
| | - Richard Hoogenboom
- Supramolecular Chemistry GroupCentre of Macromolecular Chemistry (CMaC)Department of Organic and Macromolecular ChemistryGhent University Krijgslaan 281 S4 B‐9000 Ghent Belgium
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Si P, Shi J, Zhang P, Wang C, Chen H, Mi X, Chu W, Zhai B, Li W. MUC-1 recognition-based activated drug nanoplatform improves doxorubicin chemotherapy in breast cancer. Cancer Lett 2019; 472:165-174. [PMID: 31857156 DOI: 10.1016/j.canlet.2019.12.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 12/02/2019] [Accepted: 12/13/2019] [Indexed: 12/24/2022]
Abstract
Tumor-targeted drug delivery systems with stimuli-response drug release have been increasingly used to improve the therapeutic efficacy of antitumor drugs. Here, we report a specific molecular recognition activation drug nanoplatform based on specially designed DNA sensor-capped doxorubicin (DOX)-loaded mesoporous silica nanoparticles (MSNs), designated as specific molecular recognition-activated nanoparticle (SMRAN). DNA sensors on the targeted nanoparticles can trigger DOX release through a conformational switch induced by MUC-1. This causes a significant difference in cell viability between breast cancer MCF-7 and normal breast Hs578bst cells (24.8% and 86.0%). In vivo experiments showed that the tumor volume was reduced 1.5-times in the SMRAN treatment group. Compared with that in the DOX group, due to significantly improved tumor accumulation and retention of DOX. The strategy of the MUC-1 activated drug delivery system is expected to provide a new perspective for clinical application.
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Affiliation(s)
- Pilei Si
- Department of Breast Surgery, Henan Provincial People's Hospital, Zhengzhou, 450003, China; Department of Breast Surgery, Zhengzhou University People's Hospital, Zhengzhou, 450003, China; Department of Breast Surgery, Henan University People's Hospital, Zhengzhou, 450003, China
| | - Jinjin Shi
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Pei Zhang
- Henan Provincial Food and Drug Evaluation and Inspection Center, Henan Food and Drug Administration, Zhengzhou, 450008, China
| | - Cao Wang
- Department of Breast Surgery, Henan Provincial People's Hospital, Zhengzhou, 450003, China; Department of Breast Surgery, Zhengzhou University People's Hospital, Zhengzhou, 450003, China
| | - Haijun Chen
- Department of Breast Surgery, Henan Provincial People's Hospital, Zhengzhou, 450003, China; Department of Breast Surgery, Zhengzhou University People's Hospital, Zhengzhou, 450003, China
| | - Xuefang Mi
- Department of Breast Surgery, Henan Provincial People's Hospital, Zhengzhou, 450003, China; Department of Breast Surgery, Zhengzhou University People's Hospital, Zhengzhou, 450003, China
| | - Wenling Chu
- Department of Breast Surgery, Henan Provincial People's Hospital, Zhengzhou, 450003, China; Department of Breast Surgery, Zhengzhou University People's Hospital, Zhengzhou, 450003, China
| | - Baoping Zhai
- Department of Breast Surgery, Henan Provincial People's Hospital, Zhengzhou, 450003, China; Department of Breast Surgery, Zhengzhou University People's Hospital, Zhengzhou, 450003, China; Department of Breast Surgery, Henan University People's Hospital, Zhengzhou, 450003, China
| | - Wentao Li
- Department of Breast Surgery, Henan Provincial People's Hospital, Zhengzhou, 450003, China; Department of Breast Surgery, Zhengzhou University People's Hospital, Zhengzhou, 450003, China; Department of Breast Surgery, Henan University People's Hospital, Zhengzhou, 450003, China.
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82
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Mougin J, Yesylevskyy SO, Bourgaux C, Chapron D, Michel JP, Dosio F, Stella B, Ramseyer C, Couvreur P. Stacking as a Key Property for Creating Nanoparticles with Tunable Shape: The Case of Squalenoyl-Doxorubicin. ACS NANO 2019; 13:12870-12879. [PMID: 31603305 DOI: 10.1021/acsnano.9b05303] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
The development of elongated nanoparticles for drug delivery is of growing interest in recent years, due to longer blood circulation and improved efficacy compared to spherical counterparts. Squalenoyl-doxorubicin (SQ-Dox) conjugate was previously shown to form elongated nanoparticles with improved therapeutic efficacy and decreased toxicity compared to free doxorubicin. By using experimental and computational techniques, we demonstrate here that the specific physical properties of SQ-Dox, which include stacking and electrostatic interactions of doxorubicin as well as hydrophobic interactions of squalene, are involved in the formation of nanoassemblies with diverse elongated structures. We show that SQ-Dox bioconjugate concentration, ionic strength, and anion nature can be used to modulate the shape and stiffness of SQ-Dox nanoparticles. As those parameters are involved in nanoparticle behavior in biological media, these findings could bring interesting opportunities for drug delivery and serve as an example for the design of original nanodrugs with stacking properties tuned for particular clinical purposes.
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Affiliation(s)
- Julie Mougin
- Institut Galien Paris-Sud UMR CNRS 8612 , Faculty of Pharmacy, Université Paris-Sud, Université Paris-Saclay , 92290 Châtenay-Malabry , France
| | - Semen O Yesylevskyy
- Department of Physics of Biological Systems , Institute of Physics of the National Academy of Sciences of Ukraine , Prospect Nauky 46 , 03028 Kyiv , Ukraine
- Laboratoire Chrono Environnement UMR CNRS 6249 , Université de Bourgogne Franche-Comté , 16 route de Gray , 25030 Besançon Cedex, France
| | - Claudie Bourgaux
- Institut Galien Paris-Sud UMR CNRS 8612 , Faculty of Pharmacy, Université Paris-Sud, Université Paris-Saclay , 92290 Châtenay-Malabry , France
| | - David Chapron
- Institut Galien Paris-Sud UMR CNRS 8612 , Faculty of Pharmacy, Université Paris-Sud, Université Paris-Saclay , 92290 Châtenay-Malabry , France
| | - Jean-Philippe Michel
- Institut Galien Paris-Sud UMR CNRS 8612 , Faculty of Pharmacy, Université Paris-Sud, Université Paris-Saclay , 92290 Châtenay-Malabry , France
| | - Franco Dosio
- Dipartimento di Scienza e Tecnologia del Farmaco , Università degli Studi di Torino , 10125 Turin , Italy
| | - Barbara Stella
- Dipartimento di Scienza e Tecnologia del Farmaco , Università degli Studi di Torino , 10125 Turin , Italy
| | - Christophe Ramseyer
- Laboratoire Chrono Environnement UMR CNRS 6249 , Université de Bourgogne Franche-Comté , 16 route de Gray , 25030 Besançon Cedex, France
| | - Patrick Couvreur
- Institut Galien Paris-Sud UMR CNRS 8612 , Faculty of Pharmacy, Université Paris-Sud, Université Paris-Saclay , 92290 Châtenay-Malabry , France
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83
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Self-assembling poly(ethylene glycol)-block-polylactide-cabazitaxel conjugate nanoparticles for anticancer therapy with high efficacy and low in vivo toxicity. Int J Pharm 2019; 574:118879. [PMID: 31770581 DOI: 10.1016/j.ijpharm.2019.118879] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 10/29/2019] [Accepted: 11/12/2019] [Indexed: 12/26/2022]
Abstract
Traditional approaches used for transforming hydrophobic anticancer drugs into therapeutically available nanoparticles heavily rely on the noncovalent formulation of drugs within amphiphilic copolymers. However, these nanotherapies have not yet shown the expected favorable clinical outcomes in cancer patients, presumably due to their insufficient stability. To solve this dilemma, we conceive a new class of nanotherapies assembled with polymeric prodrugs that maintain pharmacological activity while substantially alleviate the drug toxicity in animals. By exploiting methoxypoly(ethylene glycol)-block-poly(D, L-lactic acid) (mPEG-PLA) as a promoiety, cabazitaxel is tethered to the terminus of the PLA fragment via a hydrolysable ester linkage. These conjugates recapitulate the self-assembly to produce colloidal stable nanotherapies. In a xenograft model of prostate cancer, this nanotherapy shows a durable inhibition of tumor progression upon the administration of a tolerable dose. Our results suggest that a hydrophobic and highly toxic drug can be rationally converted into a pharmacologically efficient and self-deliverable nanotherapy.
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84
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Dehshahri A, Ashrafizadeh M, Ghasemipour Afshar E, Pardakhty A, Mandegary A, Mohammadinejad R, Sethi G. Topoisomerase inhibitors: Pharmacology and emerging nanoscale delivery systems. Pharmacol Res 2019; 151:104551. [PMID: 31743776 DOI: 10.1016/j.phrs.2019.104551] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 11/11/2019] [Accepted: 11/16/2019] [Indexed: 02/07/2023]
Abstract
Topoisomerase enzymes have shown unique roles in replication and transcription. These enzymes which were initially found in Escherichia coli have attracted considerable attention as target molecules for cancer therapy. Nowadays, there are several topoisomerase inhibitors in the market to treat or at least control the progression of cancer. However, significant toxicity, low solubility and poor pharmacokinetic properties have limited their wide application and these characteristics need to be improved. Nano-delivery systems have provided an opportunity to modify the intrinsic properties of molecules and also to transfer the toxic agent to the target tissues. These delivery systems leads to the re-introduction of existing molecules present in the market as novel therapeutic agents with different physicochemical and pharmacokinetic properties. This review focusses on a variety of nano-delivery vehicles used for the improvement of pharmacological properties of topoisomerase inhibitors and thus enabling their potential application as novel drugs in the market.
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Affiliation(s)
- Ali Dehshahri
- Center for Nanotechnology in Drug Delivery, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Milad Ashrafizadeh
- Department of Basic Science, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Elham Ghasemipour Afshar
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Abbas Pardakhty
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Ali Mandegary
- Physiology Research Center, Institute of Neuropharmacology, and Department of Toxicology & Pharmacology, School of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Reza Mohammadinejad
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran.
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore.
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85
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Lübtow MM, Lorson T, Finger T, Gröber‐Becker F, Luxenhofer R. Combining Ultra‐High Drug‐Loaded Micelles and Injectable Hydrogel Drug Depots for Prolonged Drug Release. MACROMOL CHEM PHYS 2019. [DOI: 10.1002/macp.201900341] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Michael M. Lübtow
- Functional Polymer Materials Chair for Advanced Materials Synthesis Department of Chemistry and Pharmacy and Bavarian Polymer Institute University of Würzburg Röntgenring 11 97070 Würzburg Germany
| | - Thomas Lorson
- Functional Polymer Materials Chair for Advanced Materials Synthesis Department of Chemistry and Pharmacy and Bavarian Polymer Institute University of Würzburg Röntgenring 11 97070 Würzburg Germany
| | - Tamara Finger
- Translational Center ‘Regenerative Therapies' (TLC‐RT) Fraunhofer Institute for Silicate Research (ISC) Neunerplatz 2 97082 Würzburg Germany
| | - Florian‐Kai Gröber‐Becker
- Translational Center ‘Regenerative Therapies' (TLC‐RT) Fraunhofer Institute for Silicate Research (ISC) Neunerplatz 2 97082 Würzburg Germany
- Chair of Tissue Engineering and Regenerative Medicine University Hospital Würzburg Röntgenring 11 97070 Würzburg Germany
| | - Robert Luxenhofer
- Functional Polymer Materials Chair for Advanced Materials Synthesis Department of Chemistry and Pharmacy and Bavarian Polymer Institute University of Würzburg Röntgenring 11 97070 Würzburg Germany
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86
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Haider MS, Schreiner J, Kendl S, Kroiss M, Luxenhofer R. A Micellar Mitotane Formulation with High Drug-Loading and Solubility: Physico-Chemical Characterization and Cytotoxicity Studies in 2D and 3D In Vitro Tumor Models. Macromol Biosci 2019; 20:e1900178. [PMID: 31596553 DOI: 10.1002/mabi.201900178] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 08/16/2019] [Indexed: 01/26/2023]
Abstract
Adrenocortical carcinoma (ACC) is a rare tumor and prognosis is overall poor but heterogeneous. Mitotane (MT) has been used for treatment of ACC for decades, either alone or in combination with cytotoxic chemotherapy. Even at doses up to 6 g per day, more than half of the patients do not achieve targeted plasma concentration (14-20 mg L-1 ) even after many months of treatment due to low water solubility, bioavailability, and unfavorable pharmacokinetic profile. Here a novel MT nanoformulation with very high MT concentrations in physiological aqueous media is reported. The MT-loaded nanoformulations are characterized by Fourier transform infrared spectroscopy, differential scanning calorimetry, and powder X-ray diffraction which confirms the amorphous nature of the drug. The polymer itself does not show any cytotoxicity in adrenal and liver cell lines. By using the ACC model cell line NCI-H295 both in monolayers and tumor cell spheroids, micellar MT is demonstrated to exhibit comparable efficacy to its ethanol solution. It is postulated that this formulation will be suitable for i.v. application and rapid attainment of therapeutic plasma concentrations. In conclusion, the micellar formulation is considered a promising tool to alleviate major drawbacks of current MT treatment while retaining bioactivity toward ACC in vitro.
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Affiliation(s)
- Malik Salman Haider
- Functional Polymer Materials, Chair for Chemical Technology of Material Synthesis, Faculty of Chemistry and Pharmacy, University of Würzburg and Bavarian Polymer Institute, Röntgenring 11, 97070, Würzburg, Germany
| | - Jochen Schreiner
- University Hospital Würzburg, Department of Internal Medicine I, Division of Endocrinology/Diabetology, Oberdürrbacher Str. 6, 97080, Würzburg, Germany
| | - Sabine Kendl
- University Hospital Würzburg, Department of Internal Medicine I, Division of Endocrinology/Diabetology, Oberdürrbacher Str. 6, 97080, Würzburg, Germany
| | - Matthias Kroiss
- University Hospital Würzburg, Department of Internal Medicine I, Division of Endocrinology/Diabetology, Oberdürrbacher Str. 6, 97080, Würzburg, Germany
| | - Robert Luxenhofer
- Functional Polymer Materials, Chair for Chemical Technology of Material Synthesis, Faculty of Chemistry and Pharmacy, University of Würzburg and Bavarian Polymer Institute, Röntgenring 11, 97070, Würzburg, Germany
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87
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Lübtow MM, Marciniak H, Schmiedel A, Roos M, Lambert C, Luxenhofer R. Ultra-High to Ultra-Low Drug-Loaded Micelles: Probing Host-Guest Interactions by Fluorescence Spectroscopy. Chemistry 2019; 25:12601-12610. [PMID: 31291028 PMCID: PMC6790594 DOI: 10.1002/chem.201902619] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Indexed: 12/13/2022]
Abstract
Polymer micelles are an attractive means to solubilize water insoluble compounds such as drugs. Drug loading, formulations stability and control over drug release are crucial factors for drug-loaded polymer micelles. The interactions between the polymeric host and the guest molecules are considered critical to control these factors but typically barely understood. Here, we compare two isomeric polymer micelles, one of which enables ultra-high curcumin loading exceeding 50 wt.%, while the other allows a drug loading of only 25 wt.%. In the low capacity micelles, steady-state fluorescence revealed a very unusual feature of curcumin fluorescence, a high energy emission at 510 nm. Time-resolved fluorescence upconversion showed that the fluorescence life time of the corresponding species is too short in the high-capacity micelles, preventing an observable emission in steady-state. Therefore, contrary to common perception, stronger interactions between host and guest can be detrimental to the drug loading in polymer micelles.
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Affiliation(s)
- Michael M. Lübtow
- Functional Polymer Materials, Chair for Advanced Materials SynthesisDepartment of Chemistry and Pharmacy and Bavarian Polymer InstituteUniversity of WürzburgRöntgenring 1197070WürzburgGermany
| | - Henning Marciniak
- Institute of Organic Chemistry and Center for Nanosystems ChemistryUniversity of WürzburgAm Hubland97070WürzburgGermany
| | - Alexander Schmiedel
- Institute of Organic Chemistry and Center for Nanosystems ChemistryUniversity of WürzburgAm Hubland97070WürzburgGermany
| | - Markus Roos
- Institute of Organic Chemistry and Center for Nanosystems ChemistryUniversity of WürzburgAm Hubland97070WürzburgGermany
| | - Christoph Lambert
- Institute of Organic Chemistry and Center for Nanosystems ChemistryUniversity of WürzburgAm Hubland97070WürzburgGermany
| | - Robert Luxenhofer
- Functional Polymer Materials, Chair for Advanced Materials SynthesisDepartment of Chemistry and Pharmacy and Bavarian Polymer InstituteUniversity of WürzburgRöntgenring 1197070WürzburgGermany
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Zhu Y, Yu F, Tan Y, Hong Y, Meng T, Liu Y, Dai S, Qiu G, Yuan H, Hu F. Reversing activity of cancer associated fibroblast for staged glycolipid micelles against internal breast tumor cells. Am J Cancer Res 2019; 9:6764-6779. [PMID: 31660067 PMCID: PMC6815968 DOI: 10.7150/thno.36334] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Accepted: 07/15/2019] [Indexed: 01/01/2023] Open
Abstract
Rationale: Nano-carrier based combinational therapies for tumor cells hold great potential to improve the outcomes of patients. However, cancer associated fibroblasts (CAFs) in desmoplastic tumors and the derived pathological tumor stroma severely impede the access and sensitibity of tumor cells to antitumor therapies. Methods: Glycolipid-based polymeric micelles (GLPM) were developed to encapsulate an angiotensin II receptor I inhibitor (telmisartan, Tel) and a cytotoxic drug (doxorubicin, DOX) respectively, which could exert combinational antitumor efficacy by reprogramming tumor microenvironment to expose the vulnerability of internal tumor cells. Results: As demonstrated, α-SMA positive CAFs significantly decreased after the pre-administration of GLPM/Tel in vitro, which accordingly inhibited the secretion of the CAFs derived stroma. The tumor vessels were further decompressed as a result of the alleviated solid stress inside the tumor masses, which promoted more intratumoral drug delivery and penetration. Ultimately, staged administration of the combined GLPM/Tel and GLPM/DOX at the screened molar ratio not only inhibited the stroma continuously, but also achieved a synergistic antitumor effect through the apoptosis-related peroxisome proliferator-activated receptor-gamma (PPAR-γ) pathway. Conclusion: In summary, the strategy of suppressing tumor stroma for subsequent combinational therapies against internal breast tumor cells could provide avenues for management of intractable desmoplastic tumors.
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89
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Hwang D, Ramsey JD, Makita N, Sachse C, Jordan R, Sokolsky-Papkov M, Kabanov AV. Novel poly(2-oxazoline) block copolymer with aromatic heterocyclic side chains as a drug delivery platform. J Control Release 2019; 307:261-271. [PMID: 31260756 PMCID: PMC7482421 DOI: 10.1016/j.jconrel.2019.06.037] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 06/22/2019] [Accepted: 06/26/2019] [Indexed: 10/26/2022]
Abstract
Here we report a novel poly(2-oxazoline)-based block copolymer with the aromatic heterocyclic side chains in one block, poly(2-methyl-2-oxazoline)-b-poly(2-N,N-dimethyl-1,3,5-triazine-2,4-diamine-6-ethyl-2-oxazoline) (PMeOx-PcBOx), and demonstrate its potential application as a drug delivery platform. The copolymer was synthesized via the condensation of N,N-dimethylbiguanide with the methyl ester side chain in poly(2-methoxycarboxyethyl-2-oxazoline) block (PMestOx) of the PMeOx-PMestOx diblock copolymer. We confirmed the N,N-dimethylbiguanide condensation with PMestOx and the complete conversion of the side chain to the N,N-dimethyl-1,3,5-triazine-2,4-diamine-6-ethyl moiety by NMR spectroscopy, MALDI-TOF mass spectroscopy, UV-Vis spectroscopy, and titration analysis. The PMeOx-PcBOx copolymer self-assemble into polymeric micelles in aqueous solution. Successful encapsulation into these micelles has been demonstrated for 1) several poorly soluble drugs, such as bruceantin and LY2109761, and 2) dichloro(1,2-diaminocyclohexane)platinum(II) (DachPt). The first class of drugs is incorporated possibly via hydrogen bonding and pi-pi interactions with the PcBOx side groups, while the second one is likely forms coordination bonds with the same side groups. The capability of this new copolymer to solubilize a uniquely diverse set of active pharmaceutical ingredients suggests potential applications in drug delivery.
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Affiliation(s)
- Duhyeong Hwang
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Jacob D Ramsey
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Naoki Makita
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Clemens Sachse
- Department Chemie, Technische Universität Dresden, Zellescher Weg 19, 01069 Dresden, Germany
| | - Rainer Jordan
- Department Chemie, Technische Universität Dresden, Zellescher Weg 19, 01069 Dresden, Germany
| | - Marina Sokolsky-Papkov
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Alexander V Kabanov
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA; Laboratory of Chemical Design of Bionanomaterials, Faculty of Chemistry, M.V. Lomonosov Moscow State University, Moscow 119992, Russia.
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90
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Lübtow MM, Mrlik M, Hahn L, Altmann A, Beudert M, Lühmann T, Luxenhofer R. Temperature-Dependent Rheological and Viscoelastic Investigation of a Poly(2-methyl-2-oxazoline)-b-poly(2- iso-butyl-2-oxazoline)-b-poly(2-methyl-2-oxazoline)-Based Thermogelling Hydrogel. J Funct Biomater 2019; 10:E36. [PMID: 31394886 PMCID: PMC6787588 DOI: 10.3390/jfb10030036] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 07/01/2019] [Accepted: 07/30/2019] [Indexed: 12/13/2022] Open
Abstract
The synthesis and characterization of an ABA triblock copolymer based on hydrophilic poly(2-methyl-2-oxazoline) (pMeOx) blocks A and a modestly hydrophobic poly(2-iso-butyl-2-oxazoline) (piBuOx) block B is described. Aqueous polymer solutions were prepared at different concentrations (1-20 wt %) and their thermogelling capability using visual observation was investigated at different temperatures ranging from 5 to 80 °C. As only a 20 wt % solution was found to undergo thermogelation, this concentration was investigated in more detail regarding its temperature-dependent viscoelastic profile utilizing various modes (strain or temperature sweep). The prepared hydrogels from this particular ABA triblock copolymer have interesting rheological and viscoelastic properties, such as reversible thermogelling and shear thinning, and may be used as bioink, which was supported by its very low cytotoxicity and initial printing experiments using the hydrogels. However, the soft character and low yield stress of the gels do not allow real 3D printing at this point.
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Affiliation(s)
- Michael M Lübtow
- Polymer Functional Materials, Chair for Advanced Materials Synthesis, Department of Chemistry and Pharmacy and Bavarian Polymer Institute, Julius-Maximilians-University Würzburg, 97084 Würzburg, Germany
| | - Miroslav Mrlik
- Polymer Functional Materials, Chair for Advanced Materials Synthesis, Department of Chemistry and Pharmacy and Bavarian Polymer Institute, Julius-Maximilians-University Würzburg, 97084 Würzburg, Germany
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Trida T. Bati 5678, 760 01 Zlin, Czech Republic
| | - Lukas Hahn
- Polymer Functional Materials, Chair for Advanced Materials Synthesis, Department of Chemistry and Pharmacy and Bavarian Polymer Institute, Julius-Maximilians-University Würzburg, 97084 Würzburg, Germany
| | - Alexander Altmann
- Polymer Functional Materials, Chair for Advanced Materials Synthesis, Department of Chemistry and Pharmacy and Bavarian Polymer Institute, Julius-Maximilians-University Würzburg, 97084 Würzburg, Germany
| | - Matthias Beudert
- Institute of Pharmacy and Food Chemistry, Julius-Maximilians-University Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Tessa Lühmann
- Institute of Pharmacy and Food Chemistry, Julius-Maximilians-University Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Robert Luxenhofer
- Polymer Functional Materials, Chair for Advanced Materials Synthesis, Department of Chemistry and Pharmacy and Bavarian Polymer Institute, Julius-Maximilians-University Würzburg, 97084 Würzburg, Germany.
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91
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Inhibition of UCH-L1 Deubiquitinating Activity with Two Forms of LDN-57444 Has Anti-Invasive Effects in Metastatic Carcinoma Cells. Int J Mol Sci 2019; 20:ijms20153733. [PMID: 31370144 PMCID: PMC6696221 DOI: 10.3390/ijms20153733] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 07/26/2019] [Accepted: 07/28/2019] [Indexed: 01/28/2023] Open
Abstract
Normally ubiquitin C-terminal hydrolase L1 (UCH-L1) is expressed in the central nervous and reproductive systems of adults, but its de novo expression has been detected in many human cancers. There is a growing body of evidence that UCH-L1 de-ubiquitinating (DUB) activity plays a major pro-metastatic role in certain carcinomas. Here we tested anti-metastatic effects of the small-molecule inhibitor of UCH-L1 DUB activity, LDN-57444, in cell lines from advanced oral squamous cell carcinoma (OSCC) as well as invasive nasopharyngeal (NP) cell lines expressing the major pro-metastatic gene product of Epstein–Barr virus (EBV) tumor virus, LMP1. To overcome the limited aqueous solubility of LDN-57444 we developed a nanoparticle formulation of LDN-57444 by incorporation of the compound in polyoxazoline micellear nanoparticles (LDN-POx). LDN-POx nanoparticles were equal in effects as the native compound in vitro. Our results demonstrate that inhibition of UCH-L1 DUB activity with LDN or LDN-POx inhibits secretion of exosomes and reduces levels of the pro-metastatic factor in exosomal fractions. Both forms of UCH-L1 DUB inhibitor suppress motility of metastatic squamous carcinoma cells as well as nasopharyngeal cells expressing EBV pro-metastatic Latent membrane protein 1 (LMP1) in physiological assays. Moreover, treatment with LDN and LDN-POx resulted in reduced levels of pro-metastatic markers, a decrease of carcinoma cell adhesion, as well as inhibition of extra-cellular vesicle (ECV)-mediated transfer of viral invasive factor LMP1. We suggest that soluble inhibitors of UCH-L1 such as LDN-POx offer potential forms of treatment for invasive carcinomas including EBV-positive malignancies.
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92
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Hassan PA, Gawali SL. Directing Amphiphilic Self-Assembly: From Microstructure Control to Interfacial Engineering. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:9635-9646. [PMID: 30392370 DOI: 10.1021/acs.langmuir.8b02921] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The self-assembly of small molecules into complex nanoscale structures is driven by the interplay of various noncovalent interactions. It has now become evident that by maneuvering this intermolecular interaction the geometry and interfacial properties of several nanoscale objects can be tamed. In particular, diverse structures such as spheres, rods, worms, ribbons, and vesicles can be produced by tuning the packing of molecules in the aggregate. Stimuli-sensitive assemblies that can reversibly associate or dissociate in response to environmental changes have been fabricated as model systems for the self-regulated drug delivery vehicle. Surface passivation of inorganic materials can be achieved by the selective organization of molecules at the interface. Such surface functionalization of inorganic materials by organic counterparts provides kinetic stability in biological media and permits the selective binding of active ingredients. Advances made in the area of molecular self-assembly and factors governing such association processes have made it possible to control the interfacial properties and microstructure of nanoscale materials.
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Affiliation(s)
- Puthusserickal Abdulrahiman Hassan
- Chemistry Division , Bhabha Atomic Research Centre , Trombay, Mumbai 400 085 , India
- Homi Bhabha National Institute, Training School Complex , Anushaktinagar, Mumbai 400 094 , India
| | - Santosh L Gawali
- Chemistry Division , Bhabha Atomic Research Centre , Trombay, Mumbai 400 085 , India
- Homi Bhabha National Institute, Training School Complex , Anushaktinagar, Mumbai 400 094 , India
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93
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Grodzinski P, Kircher M, Goldberg M, Gabizon A. Integrating Nanotechnology into Cancer Care. ACS NANO 2019; 13:7370-7376. [PMID: 31240914 DOI: 10.1021/acsnano.9b04266] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Research activity in medical and cancer nanotechnology has grown dramatically over the past 15 years. The field has become a cradle of multidisciplinary investigations bringing together physicists, chemists, and engineers working with clinicians and biologists to address paramount problems in cancer care and treatment. Some have argued that the explosion in the number of research papers has not been followed by sufficient clinical activity in nanomedicine. However, three new nanodrugs have now been approved by the U.S. Food and Drug Administration (FDA) in the past three years, confirming the validity of nanotechnology approaches in cancer. Excitingly, translational pipelines contain several additional intriguing candidates. In this Nano Focus article, we discuss potential barriers inhibiting further incorporation of nanomedicines into patient care, possible strategies to overcome these barriers, and promising new directions in cancer interventions based on nanotechnology. Insights presented herein are outcomes of discussions held at a recent strategic workshop hosted by the National Cancer Institute (NCI), which brought together research, clinical, and commercial leaders of the nanomedicine field.
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Affiliation(s)
- Piotr Grodzinski
- National Cancer Institute , National Institutes of Health , Rockville , Maryland 20814 , United States
| | - Moritz Kircher
- Dana Farber Cancer Institute , Harvard Medical School , Boston , Massachusetts 02215 , United States
| | - Michael Goldberg
- Dana Farber Cancer Institute , Harvard Medical School , Boston , Massachusetts 02215 , United States
| | - Alberto Gabizon
- Shaare Zedek Medical Center and Hebrew University-School of Medicine , Jerusalem , Israel
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94
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Lim C, Kang JK, Won WR, Park JY, Han SM, Le TN, Kim JC, Her J, Shin Y, Oh KT. Co-delivery of D-(KLAKLAK) 2 Peptide and Chlorin e6 using a Liposomal Complex for Synergistic Cancer Therapy. Pharmaceutics 2019; 11:E293. [PMID: 31234389 PMCID: PMC6630662 DOI: 10.3390/pharmaceutics11060293] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 06/13/2019] [Accepted: 06/19/2019] [Indexed: 11/16/2022] Open
Abstract
Nanotechnology-based photo-chemo combination therapy has been extensively investigated to improve therapeutic outcomes in anticancer treatment. Specifically, with the help of a singlet oxygen generated by the photosensitizer, the endocytosed nanoparticles are allowed to escape from the endosomal compartment, which is currently an obstacle in nanotechnology-based anticancer therapy. In this study, a liposomal complex system (Lipo (Pep, Ce6)), composed of a chlorin e6-conjugated di-block copolymer (PEG-PLL(-g-Ce6)) and a D-(KLAKLAK)2 peptide loading liposome (Lipo (Pep)), was developed and evaluated for its anticancer activity. Due to the membrane lytic ability of the D-(KLAKLAK)2 peptide and the membrane disruptive effect of the singlet oxygen generated from chlorin e6, Lipo (Pep, Ce6) accelerated the disruption of the endosomal compartment, and exhibited strong synergistic anticancer activity in vitro. The prepared liposomal complex system could potentially maximize the efficacy of the nanotechnology-based photo-chemo combination therapy, and can be regarded as a novel, versatile strategy in advanced tumor therapy.
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Affiliation(s)
- Chaemin Lim
- Department of Pharmaceutical Sciences, College of Pharmacy, Chung-Ang University, 221 Heukseok dong, Dongjak-gu, Seoul 06974, Korea.
| | - Jin Kook Kang
- Department of Pharmaceutical Sciences, College of Pharmacy, Chung-Ang University, 221 Heukseok dong, Dongjak-gu, Seoul 06974, Korea.
| | - Woong Roeck Won
- Department of Pharmaceutical Sciences, College of Pharmacy, Chung-Ang University, 221 Heukseok dong, Dongjak-gu, Seoul 06974, Korea.
| | - June Yong Park
- Department of Pharmaceutical Sciences, College of Pharmacy, Chung-Ang University, 221 Heukseok dong, Dongjak-gu, Seoul 06974, Korea.
| | - Sang Myung Han
- Department of Pharmaceutical Sciences, College of Pharmacy, Chung-Ang University, 221 Heukseok dong, Dongjak-gu, Seoul 06974, Korea.
| | - Thi Ngoc Le
- Department of Pharmaceutical Sciences, College of Pharmacy, Chung-Ang University, 221 Heukseok dong, Dongjak-gu, Seoul 06974, Korea.
| | - Jae Chang Kim
- Department of Pharmaceutical Sciences, College of Pharmacy, Chung-Ang University, 221 Heukseok dong, Dongjak-gu, Seoul 06974, Korea.
| | - Jaewon Her
- Department of Pharmaceutical Sciences, College of Pharmacy, Chung-Ang University, 221 Heukseok dong, Dongjak-gu, Seoul 06974, Korea.
| | - Yuseon Shin
- Department of Pharmaceutical Sciences, College of Pharmacy, Chung-Ang University, 221 Heukseok dong, Dongjak-gu, Seoul 06974, Korea.
| | - Kyung Taek Oh
- Department of Pharmaceutical Sciences, College of Pharmacy, Chung-Ang University, 221 Heukseok dong, Dongjak-gu, Seoul 06974, Korea.
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95
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Lübtow MM, Nelke LC, Seifert J, Kühnemundt J, Sahay G, Dandekar G, Nietzer SL, Luxenhofer R. Drug induced micellization into ultra-high capacity and stable curcumin nanoformulations: Physico-chemical characterization and evaluation in 2D and 3D in vitro models. J Control Release 2019; 303:162-180. [DOI: 10.1016/j.jconrel.2019.04.014] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 04/04/2019] [Accepted: 04/10/2019] [Indexed: 01/02/2023]
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96
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Alves VM, Hwang D, Muratov E, Sokolsky-Papkov M, Varlamova E, Vinod N, Lim C, Andrade CH, Tropsha A, Kabanov A. Cheminformatics-driven discovery of polymeric micelle formulations for poorly soluble drugs. SCIENCE ADVANCES 2019; 5:eaav9784. [PMID: 31249867 PMCID: PMC6594770 DOI: 10.1126/sciadv.aav9784] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 05/16/2019] [Indexed: 05/29/2023]
Abstract
Many drug candidates fail therapeutic development because of poor aqueous solubility. We have conceived a computer-aided strategy to enable polymeric micelle-based delivery of poorly soluble drugs. We built models predicting both drug loading efficiency (LE) and loading capacity (LC) using novel descriptors of drug-polymer complexes. These models were employed for virtual screening of drug libraries, and eight drugs predicted to have either high LE and high LC or low LE and low LC were selected. Three putative positives, as well as three putative negative hits, were confirmed experimentally (implying 75% prediction accuracy). Fortuitously, simvastatin, a putative negative hit, was found to have the desired micelle solubility. Podophyllotoxin and simvastatin (LE of 95% and 87% and LC of 43% and 41%, respectively) were among the top five polymeric micelle-soluble compounds ever studied experimentally. The success of the strategy described herein suggests its broad utility for designing drug delivery systems.
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Affiliation(s)
- Vinicius M. Alves
- Laboratory for Molecular Modeling, Division of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, USA
- Laboratory for Molecular Modeling and Drug Design, Faculty of Pharmacy, Federal University of Goiás, Goiania, GO 74605-170, Brazil
| | - Duhyeong Hwang
- Center for Nanotechnology in Drug Delivery, Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Eugene Muratov
- Laboratory for Molecular Modeling, Division of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, USA
- Department of Pharmaceutical Sciences, Federal University of Paraíba, Joao Pessoa, PB 58059, Brazil
| | - Marina Sokolsky-Papkov
- Center for Nanotechnology in Drug Delivery, Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Ekaterina Varlamova
- Laboratory for Molecular Modeling and Drug Design, Faculty of Pharmacy, Federal University of Goiás, Goiania, GO 74605-170, Brazil
| | - Natasha Vinod
- Center for Nanotechnology in Drug Delivery, Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, USA
- UNC/NC State Joint Department of Biomedical Engineering, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Chaemin Lim
- Center for Nanotechnology in Drug Delivery, Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Carolina H. Andrade
- Laboratory for Molecular Modeling and Drug Design, Faculty of Pharmacy, Federal University of Goiás, Goiania, GO 74605-170, Brazil
| | - Alexander Tropsha
- Laboratory for Molecular Modeling, Division of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Alexander Kabanov
- Center for Nanotechnology in Drug Delivery, Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, USA
- Laboratory of Chemical Design of Bionanomaterials, Faculty of Chemistry, M.V. Lomonosov Moscow State University, Moscow 119992, Russia
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97
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Bai J, Tian Y, Liu F, Li X, Shao Y, Lu X, Wang J, Zhu G, Xue B, Liu M, Hu P, He N, Tang Q. Octreotide-Conjugated Core-Cross-Linked Micelles with pH/Redox Responsivity Loaded with Etoposide for Neuroendocrine Neoplasms Therapy and Bioimaging with Photoquenching Resistance. ACS APPLIED MATERIALS & INTERFACES 2019; 11:18111-18122. [PMID: 31006230 DOI: 10.1021/acsami.9b01827] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The study of multifunctional polymer micelles combined with chemotherapy due to reduced systemic toxicity and enhanced efficacy has attracted intensive attention. Herein, a multifunctional core-cross-linked hybrid micelle system based on mPEG- b-PGu(BA-TPE) and OCT-PEG- b-PGu(DA-TPE) with pH- and redox-triggered drug release and aggregation-induced emission (AIE) active imaging has been developed for active targeting of neuroendocrine neoplasms (NENs), especially neuroendocrine carcinomas (NECs) with poor prognosis. These micelles showed excellent biocompatibility and stability. After the formation of borate ester bonds, core-cross-linked micelles (CCLMs) showed enhanced emission properties. In addition, etoposide (ETO), one of the most important anticancer drugs of NECs, was loaded into the hydrophobic core of micelles by self-assembly with an average diameter of 274.6 nm and spherical morphology. Octreotide (OCT) conjugated onto the micelles enhanced cellular uptake by receptor-mediated endocytosis. ETO-loaded micelles demonstrated the dual-responsive triggered intracellular drug release and great tumor suppression ability in vitro. Compared with free ETO, ETO-loaded CCLMs exhibited a considerable antitumor effect and significantly reduced side effects. Considering the active tumor targeting, dual-responsive drug release and the AIE effect, the polymer micelle system will be a potential candidate for diagnosis and oncotherapy of NENs.
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Affiliation(s)
- Jianan Bai
- Department of Geriatric Gastroenterology , The First Affiliated Hospital with Nanjing Medical University , Nanjing 210029 , China
| | - Ye Tian
- Department of Geriatric Gastroenterology , The First Affiliated Hospital with Nanjing Medical University , Nanjing 210029 , China
| | - Fangzhou Liu
- Department of Head & Neck Surgery, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research , The Affiliated Cancer Hospital of Nanjing Medical University , Nanjing 210029 , China
| | - Xiaolin Li
- Department of Geriatric Gastroenterology , The First Affiliated Hospital with Nanjing Medical University , Nanjing 210029 , China
| | - Yun Shao
- Department of Geriatric Gastroenterology , The First Affiliated Hospital with Nanjing Medical University , Nanjing 210029 , China
| | - Xintong Lu
- Department of Geriatric Gastroenterology , The First Affiliated Hospital with Nanjing Medical University , Nanjing 210029 , China
| | - Jintian Wang
- Department of Geriatric Gastroenterology , The First Affiliated Hospital with Nanjing Medical University , Nanjing 210029 , China
| | - Guoqin Zhu
- Department of Geriatric Gastroenterology , The First Affiliated Hospital with Nanjing Medical University , Nanjing 210029 , China
| | - Bingyan Xue
- Department of Geriatric Gastroenterology , The First Affiliated Hospital with Nanjing Medical University , Nanjing 210029 , China
| | - Min Liu
- Department of Geriatric Gastroenterology , The First Affiliated Hospital with Nanjing Medical University , Nanjing 210029 , China
| | - Ping Hu
- Department of Geriatric Gastroenterology , The First Affiliated Hospital with Nanjing Medical University , Nanjing 210029 , China
| | - Na He
- Department of Geriatric Gastroenterology , The First Affiliated Hospital with Nanjing Medical University , Nanjing 210029 , China
| | - Qiyun Tang
- Department of Geriatric Gastroenterology , The First Affiliated Hospital with Nanjing Medical University , Nanjing 210029 , China
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98
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Deng Y, Tan S, Zhao X, Yu J, Tang J. Microspheres with Tunable Porosity Based on Reactive Block Copolymer: Preparation and Vapor‐Healing Behavior. MACROMOL CHEM PHYS 2019. [DOI: 10.1002/macp.201900032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Yuanming Deng
- Shenzhen Key Laboratory of Polymer Science and TechnologyGuangdong Research Center for Interfacial Engineering of Functional MaterialsCollege of Materials Science and EngineeringShenzhen University Shenzhen 518060 China
| | - Shaoling Tan
- Shenzhen Key Laboratory of Polymer Science and TechnologyGuangdong Research Center for Interfacial Engineering of Functional MaterialsCollege of Materials Science and EngineeringShenzhen University Shenzhen 518060 China
| | - Xiaoman Zhao
- Shenzhen Key Laboratory of Polymer Science and TechnologyGuangdong Research Center for Interfacial Engineering of Functional MaterialsCollege of Materials Science and EngineeringShenzhen University Shenzhen 518060 China
| | - Junyan Yu
- Shenzhen Key Laboratory of Polymer Science and TechnologyGuangdong Research Center for Interfacial Engineering of Functional MaterialsCollege of Materials Science and EngineeringShenzhen University Shenzhen 518060 China
| | - Jiaoning Tang
- Shenzhen Key Laboratory of Polymer Science and TechnologyGuangdong Research Center for Interfacial Engineering of Functional MaterialsCollege of Materials Science and EngineeringShenzhen University Shenzhen 518060 China
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99
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Yang T, Lan Y, Cao M, Ma X, Cao A, Sun Y, Yang J, Li L, Liu Y. Glycyrrhetinic acid-conjugated polymeric prodrug micelles co-delivered with doxorubicin as combination therapy treatment for liver cancer. Colloids Surf B Biointerfaces 2019; 175:106-115. [DOI: 10.1016/j.colsurfb.2018.11.082] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 11/28/2018] [Accepted: 11/29/2018] [Indexed: 12/11/2022]
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100
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Wan X, Beaudoin JJ, Vinod N, Min Y, Makita N, Bludau H, Jordan R, Wang A, Sokolsky M, Kabanov AV. Co-delivery of paclitaxel and cisplatin in poly(2-oxazoline) polymeric micelles: Implications for drug loading, release, pharmacokinetics and outcome of ovarian and breast cancer treatments. Biomaterials 2019; 192:1-14. [PMID: 30415101 PMCID: PMC6331221 DOI: 10.1016/j.biomaterials.2018.10.032] [Citation(s) in RCA: 123] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 10/25/2018] [Accepted: 10/26/2018] [Indexed: 12/16/2022]
Abstract
Concurrent delivery of multiple drugs using nanoformulations can improve outcomes of cancer treatments. Here we demonstrate that this approach can be used to improve the paclitaxel (PTX) and alkylated cisplatin prodrug combination therapy of ovarian and breast cancer. The drugs are co-loaded in the polymeric micelle system based on amphiphilic block copolymer poly(2-methyl-2-oxazoline-block-2-butyl-2-oxazoline-block-2-methyl-2-oxazoline) (P(MeOx-b-BuOx-b-MeOx). A broad range of drug mixing ratios and exceptionally high two-drug loading of over 50 wt.% drug in a stable micellar solution is demonstrated. The drugs co-loading in the micelles result in a slowed-down release to serum, improved pharmacokinetics and increased tumor distribution for both drugs. A superior anti-tumor activity of co-loaded PTX/CP drug micelles compared to single drug micelles or their mixture was demonstrated in cisplatin-resistant human ovarian carcinoma A2780/CisR xenograft tumor and multidrug resistant breast cancer LCC-6-MDR orthotopic tumor models. The improved tumor delivery of co-loaded drugs was related to decreased drug release rates as confirmed by simulation for micelle, serum and tumor compartments in a three-compartmental model. Overall, the results provide support for the use of PTX and cisplatin co-loaded micelles as a strategy for improved chemotherapy of ovarian and breast cancer and potential for the clinical translation.
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Affiliation(s)
- Xiaomeng Wan
- Center for Nanotechnology in Drug Delivery and Division of Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - James J Beaudoin
- Division of Pharmacotherapy and Experimental Therapeutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Natasha Vinod
- Center for Nanotechnology in Drug Delivery and Division of Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Yuanzeng Min
- Laboratory of Nano- and Translational Medicine, Lineberger Comprehensive Cancer Center, Carolina Center for Cancer Nanotechnology Excellence, Carolina Institute of Nanomedicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; Department of Radiation Oncology, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Naoki Makita
- Center for Nanotechnology in Drug Delivery and Division of Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Herdis Bludau
- Chair of Macromolecular Chemistry, Faculty of Chemistry and Food Chemistry, School of Science, Technische Universität Dresden, Mommsenstr. 4, 01069 Dresden, Germany
| | - Rainer Jordan
- Chair of Macromolecular Chemistry, Faculty of Chemistry and Food Chemistry, School of Science, Technische Universität Dresden, Mommsenstr. 4, 01069 Dresden, Germany
| | - Andrew Wang
- Center for Nanotechnology in Drug Delivery and Division of Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA; Laboratory of Nano- and Translational Medicine, Lineberger Comprehensive Cancer Center, Carolina Center for Cancer Nanotechnology Excellence, Carolina Institute of Nanomedicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; Department of Radiation Oncology, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; Department of Radiation Oncology, Xuzhou Medical College, Xuzhou, China
| | - Marina Sokolsky
- Center for Nanotechnology in Drug Delivery and Division of Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA.
| | - Alexander V Kabanov
- Center for Nanotechnology in Drug Delivery and Division of Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA; Laboratory of Chemical Design of Bionanomaterials, Faculty of Chemistry, M.V. Lomonosov Moscow State University, Moscow, 119992, Russia.
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