1
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Sun H, Li X, Liu Q, Sheng H, Zhu L. pH-responsive self-assembled nanoparticles for tumor-targeted drug delivery. J Drug Target 2024; 32:672-706. [PMID: 38682299 DOI: 10.1080/1061186x.2024.2349124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 04/23/2024] [Indexed: 05/01/2024]
Abstract
Recent advances in the field of drug delivery have opened new avenues for the development of novel nanodrug delivery systems (NDDS) in cancer therapy. Self-assembled nanoparticles (SANPs) based on tumour microenvironment have great advantages in improving antitumor effect, and pH-responsive SANPs prepared by the combination of pH-responsive nanomaterials and self-assembly technology can effectively improve the efficacy and reduce the systemic toxicity of antitumor drugs. In this review, we describe the characteristics of self-assembly and its driving force, the mechanism of pH-responsive NDDS, and the nanomaterials for pH-responsive SANPs type. A series of pH-responsive SANPs for tumour-targeted drug delivery are discussed, with an emphasis on the relation between structural features and theranostic performance.
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Affiliation(s)
- Henglai Sun
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xinyu Li
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Qian Liu
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Huagang Sheng
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
- Key Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Liqiao Zhu
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
- Key Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, Jinan, China
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2
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Zhao B, Zhang X, Bickle MS, Fu S, Li Q, Zhang F. Development of polypeptide-based materials toward messenger RNA delivery. NANOSCALE 2024; 16:2250-2264. [PMID: 38213302 DOI: 10.1039/d3nr05635j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2024]
Abstract
Messenger RNA (mRNA)-based therapeutic agents have demonstrated significant potential in recent times, particularly in the context of the COVID-19 pandemic outbreak. As a promising prophylactic and therapeutic strategy, polypeptide-based mRNA delivery systems attract significant interest because of their low cost, simple preparation, tuneable sizes and morphology, convenient large-scale production, biocompatibility, and biodegradability. In this review, we begin with a brief discussion of the synthesis of polypeptides, followed by a review of commonly used polypeptides in mRNA delivery, including classical polypeptides and cell-penetrating peptides. Then, the challenges against mRNA delivery, including extracellular, intracellular, and clinical barriers, are discussed in detail. Finally, we highlight a range of strategies for polypeptide-based mRNA delivery, offering valuable insights into the advancement of polypeptide-based mRNA carrier development.
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Affiliation(s)
- Bowen Zhao
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, Florida, 33146, USA.
| | - Xiao Zhang
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, Florida, 33146, USA.
| | - Molly S Bickle
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, Florida, 33146, USA.
| | - Shiwei Fu
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, Florida, 33146, USA.
| | - Qingchun Li
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, Florida, 33146, USA.
| | - Fuwu Zhang
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, Florida, 33146, USA.
- The Dr John T. Macdonald Foundation Biomedical Nanotechnology Institute, University of Miami, Miami, FL 33136, USA
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3
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Duan C, Yu M, Xu J, Li BY, Zhao Y, Kankala RK. Overcoming Cancer Multi-drug Resistance (MDR): Reasons, mechanisms, nanotherapeutic solutions, and challenges. Biomed Pharmacother 2023; 162:114643. [PMID: 37031496 DOI: 10.1016/j.biopha.2023.114643] [Citation(s) in RCA: 31] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 03/30/2023] [Accepted: 03/30/2023] [Indexed: 04/11/2023] Open
Abstract
Multi-drug resistance (MDR) in cancer cells, either intrinsic or acquired through various mechanisms, significantly hinders the therapeutic efficacy of drugs. Typically, the reduced therapeutic performance of various drugs is predominantly due to the inherent over expression of ATP-binding cassette (ABC) transporter proteins on the cell membrane, resulting in the deprived uptake of drugs, augmenting drug detoxification, and DNA repair. In addition to various physiological abnormalities and extensive blood flow, MDR cancer phenotypes exhibit improved apoptotic threshold and drug efflux efficiency. These severe consequences have substantially directed researchers in the fabrication of various advanced therapeutic strategies, such as co-delivery of drugs along with various generations of MDR inhibitors, augmented dosage regimens and frequency of administration, as well as combinatorial treatment options, among others. In this review, we emphasize different reasons and mechanisms responsible for MDR in cancer, including but not limited to the known drug efflux mechanisms mediated by permeability glycoprotein (P-gp) and other pumps, reduced drug uptake, altered DNA repair, and drug targets, among others. Further, an emphasis on specific cancers that share pathogenesis in executing MDR and effluxed drugs in common is provided. Then, the aspects related to various nanomaterials-based supramolecular programmable designs (organic- and inorganic-based materials), as well as physical approaches (light- and ultrasound-based therapies), are discussed, highlighting the unsolved issues and future advancements. Finally, we summarize the review with interesting perspectives and future trends, exploring further opportunities to overcome MDR.
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Affiliation(s)
- Chunyan Duan
- School of New Energy and Environmental Protection Engineering, Foshan Polytechnic, Foshan 528137, PR China.
| | - Mingjia Yu
- School of New Energy and Environmental Protection Engineering, Foshan Polytechnic, Foshan 528137, PR China
| | - Jiyuan Xu
- School of New Energy and Environmental Protection Engineering, Foshan Polytechnic, Foshan 528137, PR China
| | - Bo-Yi Li
- Institute of Biomaterials and Tissue Engineering, College of Chemical Engineering, Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen 361021, PR China
| | - Ying Zhao
- Institute of Biomaterials and Tissue Engineering, College of Chemical Engineering, Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen 361021, PR China
| | - Ranjith Kumar Kankala
- Institute of Biomaterials and Tissue Engineering, College of Chemical Engineering, Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen 361021, PR China.
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4
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Mondal A, Das S, Ali SM, Kolay S, Sengupta A, Molla MR. Bioderived Lipoic Acid-Based Dynamic Covalent Nanonetworks of Poly(disulfide)s: Enhanced Encapsulation Stability and Cancer Cell-Selective Delivery of Drugs. Bioconjug Chem 2023; 34:489-500. [PMID: 36693213 DOI: 10.1021/acs.bioconjchem.2c00493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Dynamic covalent poly(disulfide)-based cross-linked nanoaggregates, termed nanonetworks (NNs), endowed with pH- and redox-responsive degradation features have been fabricated for stable noncovalent encapsulation and triggered cargo release in a controlled fashion. A bioderived lipoic acid-based Gemini surfactant-like amphiphilic molecule was synthesized for the preparation of nanoaggregates. It self-assembles by a entropy-driven self-assembly process in aqueous milieu. To further stabilize the self-assembled nanostructure, the core was cross-linked by ring-opening disulfide exchange polymerization (RODEP) of 1,2-dithiolane rings situated inside the core of the nanoaggregates. The cross-linked nanoaggregates, i.e., nanonetwork, are found to be stable in the presence of blood serum, and also, they maintain the self-assembled structure even below the critical aggregation concentration (CAC) as probed by dynamic light scattering (DLS) experiments. The nanonetwork showed almost 50% reduction in guest leakage compared to that of the nanoaggregates as shown by the release profile in the absence of stimuli, suggesting high encapsulation stability as evidenced by the fluorescence resonance energy transfer (FRET) experiment. The decross-linking of the nanonetwork occurs in response to redox and pH stimuli due to disulfide reduction and β-thioester hydrolysis, respectively, thus empowering disassembly-mediated controlled cargo release up to ∼87% for 55 h of incubation. The biological evaluation of the doxorubicin (DOX)-loaded nanonetwork revealed environment-specific surface charge modulation-mediated cancer cell-selective cellular uptake and cytotoxicity. The benign nature of the nanonetwork toward normal cells makes the system very promising in targeted drug delivery applications. Thus, the ease of synthesis, nanonetwork fabrication reproducibility, robust stability, triggered drug release in a controlled fashion, and cell-selective cytotoxicity behavior, we believe, will make the system a potential candidate in the development of robust materials for chemotherapeutic applications.
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Affiliation(s)
- Arun Mondal
- Department of Chemistry, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
| | - Shreya Das
- Department of Life Science & Biotechnology, Jadavpur University, 188 R. S. C. M. Road, Jadavpur, Kolkata 700032, India
| | - Sk Mursed Ali
- Department of Chemistry, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
| | - Soumya Kolay
- Department of Chemistry, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
| | - Arunima Sengupta
- Department of Life Science & Biotechnology, Jadavpur University, 188 R. S. C. M. Road, Jadavpur, Kolkata 700032, India
| | - Mijanur Rahaman Molla
- Department of Chemistry, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
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5
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Xu J, Tang X, Yang X, Zhao MX. pH and GSH dual-responsive drug-controlled nanomicelles for breast cancer treatment. Biomed Mater 2023; 18. [PMID: 36720160 DOI: 10.1088/1748-605x/acb7bb] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 01/31/2023] [Indexed: 02/02/2023]
Abstract
We developed a pH/glutathione (GSH) dual-responsive smart nano-drug delivery system to achieve targeted release of a chemotherapeutic drug at breast tumor site. Doxorubicin (DOX) was linked to polyethylene glycol (PEG) through cis-aconitic anhydride (CA) and disulfide bonds (SS) to obtain the PEG-SS-CA-DOX prodrug, which spontaneously assembled into nanomicelles with a particle size of 48 ± 0.45 nm. PEG-SS-CA-DOX micelles achieved an efficient and rapid release of DOX under dual stimulation by weak acidic pH and high GSH content of tumors, with the release amount reaching 88.0% within 48 h. Cellular uptake experiments demonstrated that PEG-SS-CA-DOX micelles could efficiently transport DOX into cells and rapidly release it in the tumor microenvironment. In addition,in vivoantitumor experiments showed that PEG-SS-CA-DOX had a high inhibition rate of 70% against 4T1 breast cancer cells along with good biosafety. In conclusion, dual-responsive smart nanomicelles can achieve tumor-targeted drug delivery and specific drug release, thus improving therapeutic efficacy of drugs.
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Affiliation(s)
- Jingjing Xu
- Key Laboratory of Natural Medicine and Immune-Engineering of Henan Province, Henan University, Kaifeng 475004, People's Republic of China
| | - Xianjiao Tang
- Key Laboratory of Natural Medicine and Immune-Engineering of Henan Province, Henan University, Kaifeng 475004, People's Republic of China
| | - Xiaojing Yang
- Key Laboratory of Natural Medicine and Immune-Engineering of Henan Province, Henan University, Kaifeng 475004, People's Republic of China
| | - Mei-Xia Zhao
- Key Laboratory of Natural Medicine and Immune-Engineering of Henan Province, Henan University, Kaifeng 475004, People's Republic of China
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6
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Wang Y, Zhang D, Sun Y, Zeng Y, Qi P. Precise Localization and Simultaneous Bacterial Eradication of Biofilms Based on Nanocontainers with Successive Responsive Property toward pH and ATP. ACS APPLIED MATERIALS & INTERFACES 2023; 15:8424-8435. [PMID: 36744696 DOI: 10.1021/acsami.2c22682] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The bacterial colonization of surfaces and subsequent biofilm formation are a great threat in medical therapy and clinical diagnosis. The complex internal structure and composition sets an enormous obstacle for the localization and removal of biofilms. In this study, we proposed a novel biofilm-targeted nanocontainer with successive responsive property toward pH and ATP for precise localization and simultaneous bacterial eradication, with an acidic and adenosine triphosphate (ATP)-rich microenvironment within biofilms, formed due to the accumulation of fatty acids and ATP in the three-dimensional enclosed structure, integrated as two successive indicators to improve the precision of biofilm identification and removal. The biofilm-targeted nanocontainer was composed of a ATP-responsive zeolitic imidazolate framework-90 (ZIF-90) core loaded with Rho 6G and doxorubicin hydrochloride (DOX) encapsulated in the pH-responsive amorphous calcium carbonate/poly(acrylic acid) (ACC/PAA) shell. In the presence of biofilms, the ACC/PAA shell and ZIF-90 core were successively degraded by the accumulated H+ and ATP within biofilms, resulting in the release of fluorescence indicators and antimicrobial agents. On the other hand, to meet the application requirements of different biofilm scenarios, the pH response ability of the nanocontainers could be adjusted by changing the metallic ions (Ni2+, Zn2+, and Cu2+) doped into the structure of the ACC/PAA shell. Owing to excellent water dispersion of the pH/ATP double-responsive ZIF-90@Zn-ACC/PAA nanocontainer, precise localization and simultaneous bacterial eradication was successfully realized via a simple spray process. The successive pH/ATP two-step unlocking processes endowed the nanocontainers high precision for localization and simultaneous eradication of biofilms, which made the proposed nanocontainers high promising in food safety and medical treatment.
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Affiliation(s)
- Yingwen Wang
- Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- University of the Chinese Academy of Sciences, Beijing 100039, China
- Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology (Qingdao), 1 Wenhai Road, Qingdao 266237, China
| | - Dun Zhang
- Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- University of the Chinese Academy of Sciences, Beijing 100039, China
- Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology (Qingdao), 1 Wenhai Road, Qingdao 266237, China
| | - Yan Sun
- Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology (Qingdao), 1 Wenhai Road, Qingdao 266237, China
| | - Yan Zeng
- Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology (Qingdao), 1 Wenhai Road, Qingdao 266237, China
| | - Peng Qi
- Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- University of the Chinese Academy of Sciences, Beijing 100039, China
- Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology (Qingdao), 1 Wenhai Road, Qingdao 266237, China
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7
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Yang Y, Sun W. Recent advances in redox-responsive nanoparticles for combined cancer therapy. NANOSCALE ADVANCES 2022; 4:3504-3516. [PMID: 36134355 PMCID: PMC9400520 DOI: 10.1039/d2na00222a] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 07/20/2022] [Indexed: 05/23/2023]
Abstract
The combination of multiple therapeutic modalities has attracted increasing attention as it can achieve better therapeutic effects through different treatment mechanisms. However, traditional small molecule agents are non-specific to the tumor tissue, which leads to off-target toxic effects for healthy tissues. To solve this problem, a number of stimuli-responsive nanoscale drug-delivery systems have been developed. Among these stimuli, a high concentration of reactive oxygen species (ROS) and glutathione (GSH) are characteristic of the tumor microenvironment (TME), which can distinguish it from normal tissue. In this review, we summarize the redox-responsive nanoparticles (NPs) reported in the past three years classified by different functional groups, including GSH-responsive disulfide, ditelluride, and multivalent metal ions, ROS-responsive thioketal, arylboronic ester, aminoacrylate, and bilirubin as well as GSH/ROS dual-responsive diselenide and dicarbonyl thioethers. The prospects and challenges of redox-responsive NPs are also discussed.
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Affiliation(s)
- Yanjun Yang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology Dalian 116024 China
| | - Wen Sun
- State Key Laboratory of Fine Chemicals, Dalian University of Technology Dalian 116024 China
- Ningbo Institute of Dalian University of Technology Ningbo 315016 China
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8
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Wei D, Tong Q, An Q, Ma X, Jiang X, Li X, Yi Z. Dual stimuli-responsive nanocarriers based on polyethylene glycol-mediated schiff base interactions for overcoming tumour chemoresistance. Colloids Surf B Biointerfaces 2022; 213:112408. [PMID: 35168105 DOI: 10.1016/j.colsurfb.2022.112408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 02/07/2022] [Accepted: 02/08/2022] [Indexed: 02/08/2023]
Abstract
Multifunctional and stimulus-sensitive intelligent nanodrug delivery systems (NDDSs) can significantly optimize the effectiveness of theranostic agents for cancer treatment. In this study, redox and pH dual-responsive nanocarriers (CPNPs) were prepared through molecular assembly by utilizing the Schiff base interactions of cystamine (Cys), PEG-NH2 and formaldehyde (FA) under aqueous conditions with a one-pot, one-step technique. First, the degradation products of CPNPs exhibited good biocompatibility, and the high concentration of intact CPNPs (200 µg/mL) could inhibit the growth of cells. In addition, doxorubicin (DOX) was encapsulated in CPNPs simply by changing the pH (DOX@CPNPs), and pH/GSH-responsive release behaviour was confirmed. In vitro, CPNPs significantly increased the uptake of DOX and enhanced the cytotoxicity of DOX to tumour cells. More importantly, DOX@CPNPs strongly reversed drug resistance in three different types of cancer cells, exhibiting significant anticancer effects. Collectively, this study presents the easy preparation of nanomedicines that respond to multiple stimuli, which highlights the advantages of Schiff base-based nanomedicines for cancer therapy and reversing chemoresistance.
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Affiliation(s)
- Danfeng Wei
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu 610041, PR China; Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network West China Hospital, Sichuan University, Chengdu 610041, PR China
| | - Qiulan Tong
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu 610064, PR China
| | - Qi An
- Public Health Clinical Center of Chengdu, Chengdu 610041, PR China
| | - Xiaomin Ma
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu 610064, PR China
| | - Xian Jiang
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu 610041, PR China; Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network West China Hospital, Sichuan University, Chengdu 610041, PR China.
| | - Xudong Li
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu 610064, PR China.
| | - Zeng Yi
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu 610064, PR China.
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9
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Zeng H, Xia C, Zhao B, Zhu M, Zhang H, Zhang D, Rui X, Li H, Yuan Y. Folic Acid-Functionalized Metal-Organic Framework Nanoparticles as Drug Carriers Improved Bufalin Antitumor Activity Against Breast Cancer. Front Pharmacol 2022; 12:747992. [PMID: 35115921 PMCID: PMC8805731 DOI: 10.3389/fphar.2021.747992] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 12/13/2021] [Indexed: 11/28/2022] Open
Abstract
Bufalin (Buf), an active ingredient of the traditional Chinese medicine Chansu, is known to have anticancer effects for breast cancer. However, its poor solubility, high toxicity, and extensive side effects limit its use. Metal-organic frameworks (MOFs) are a class of promising drug delivery systems known for their high porosity. Here, we designed and constructed pH-sensitive and redox-responsive folic acid–modified MOFs as drug carriers of Buf (FA-MOF/Buf). Moreover, the anticancer activity of nanomedicines was also explored in vitro and in vivo. Compared to free Buf, the FA-MOF/Buf nanoparticles demonstrated improved water solubility and stability, higher intracellular uptake, and enhanced cytotoxicity in breast cancer cells in vitro. Furthermore, it displayed improved accumulation in the tumor site, enhanced anticancer activity, and reduced side effects in vivo. Our results demonstrated that FA-MOF could be developed as a potential delivery system for Buf to improve its antitumor activity for breast cancer treatment.
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Affiliation(s)
- Hairong Zeng
- Department of Pharmacy, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Interventional Cancer Institute of Chinese Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Chao Xia
- Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, School of Physics and Electronic Science, East China Normal University, Shanghai, China
| | - Bei Zhao
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Mengmeng Zhu
- Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, School of Physics and Electronic Science, East China Normal University, Shanghai, China
| | - HaoYue Zhang
- Colorectal Disease Center of Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing, China
| | - Die Zhang
- Department of Pharmacy, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xin Rui
- Baoshan Branch, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Huili Li
- Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, School of Physics and Electronic Science, East China Normal University, Shanghai, China
| | - Yi Yuan
- Department of Pharmacy, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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10
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Wu P, Gao J, Prasad P, Dutta K, Kanjilal P, Thayumanavan S. Influence of Polymer Structure and Architecture on Drug Loading and Redox-Triggered Release. Biomacromolecules 2022; 23:339-348. [PMID: 34890192 PMCID: PMC8757658 DOI: 10.1021/acs.biomac.1c01295] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Disulfide cross-linked nanoassemblies have attracted considerable attention as a drug delivery vehicle due to their responsiveness to the natural redox gradient in biology. Fundamentally understanding the factors that influence the drug loading capacity, encapsulation stability, and precise control of the liberation of encapsulated cargo would be profoundly beneficial to redox-responsive materials. Reported herein are block copolymer (BCP)-based self-cross-linked nanogels, which exhibit high drug loading capacity, high encapsulation stability, and controllable release kinetics. BCP nanogels show considerably higher loading capacity and better encapsulation stability than the random copolymer nanogels at micromolar glutathione concentrations. By partially substituting thiol-reactive pyridyl disulfide into the unreactive benzyl or butyl group, we observed opposite effects on the cross-linking process of BCP nanogels. We further studied the redox-responsive cytotoxicity of our drug-encapsulated nanogels in various cancer cell lines.
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Affiliation(s)
- Peidong Wu
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - Jingjing Gao
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, USA
- Current address: Center for Nanomedicine, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women’s Hospital, Boston, MA 02115
| | - Priyaa Prasad
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - Kingshuk Dutta
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - Pintu Kanjilal
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - S. Thayumanavan
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, USA
- Department of Biomedical Engineering, University of Massachusetts Amherst, Amherst, Massachusetts, USA
- Center for Bioactive Delivery, The Institute for Applied Life Sciences, University of Massachusetts Amherst, Amherst, Massachusetts, USA
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11
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Fu S, Rempson CM, Puche V, Zhao B, Zhang F. Construction of disulfide containing redox-responsive polymeric nanomedicine. Methods 2021; 199:67-79. [PMID: 34971759 DOI: 10.1016/j.ymeth.2021.12.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/21/2021] [Accepted: 12/23/2021] [Indexed: 12/16/2022] Open
Abstract
Disulfide bonds (S-S) are widely found in chemistry, biology, and materials science. Polymer nanomaterials containing disulfide bonds with a variety of excellent properties have great potential as drug and gene delivery carriers. The disulfide bond can exist stably in extracellular environment, but upon entering cancer cells, it will undergo a sulfhydryl-disulfide bond exchange reaction with glutathione (GSH) in the cytoplasm, causing the disulfide bond cleavage. Therefore, polymeric nanomaterials containing disulfide bonds are promising in cancer treatment due to the elevated GSH concentration inside cancer cells. This review highlights various synthetic approaches to prepare disulfide containing redox-responsive polymeric nanomedicine, including synthesis of disulfide bonds containing polymers, construction of polymeric nanoparticle with shell or core crosslinked disulfide bonds, preparation of polymer-drug conjugates via disulfide linkers, and disulfide linked responsive payloads.
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Affiliation(s)
- Shiwei Fu
- Department of Chemistry, University of Miami, Coral Gables, FL 33146, United States
| | - Caitlin M Rempson
- Department of Chemistry, University of Miami, Coral Gables, FL 33146, United States
| | - Vanessa Puche
- Department of Chemistry, University of Miami, Coral Gables, FL 33146, United States
| | - Bowen Zhao
- Department of Chemistry, University of Miami, Coral Gables, FL 33146, United States
| | - Fuwu Zhang
- Department of Chemistry, University of Miami, Coral Gables, FL 33146, United States; The Dr. John T. Macdonald Foundation Biomedical Nanotechnology Institute, University of Miami, Miami, FL 33136, United States.
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12
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Uddin MA, Yu H, Wang L, Liu J, Mehmood S, Amin BU, Haq F, Liang R, Shen D, Ni Z. Multi-stimuli-responsive performance and morphological changes of radical-functionalized self-assembled micellar nanoaggregates and their multi-triggered drug release. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126807] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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13
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Xin X, Zhang Z, Zhang X, Chen J, Lin X, Sun P, Liu X. Bioresponsive nanomedicines based on dynamic covalent bonds. NANOSCALE 2021; 13:11712-11733. [PMID: 34227639 DOI: 10.1039/d1nr02836g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Trends in the development of modern medicine necessitate the efficient delivery of therapeutics to achieve the desired treatment outcomes through precise spatiotemporal accumulation of therapeutics at the disease site. Bioresponsive nanomedicine is a promising platform for this purpose. Dynamic covalent bonds (DCBs) have attracted much attention in studies of the fabrication of bioresponsive nanomedicines with an abundance of combinations of therapeutic modules and carrier function units. DCB-based nanomedicines could be designed to maintain biological friendly synthesis and site-specific release for optimal therapeutic effects, allowing the complex to retain an integrated structure before accumulating at the disease site, but disassembling into individual active components without compromising function in the targeted organs or tissues. In this review, we focus on responsive nanomedicines containing dynamic chemical bonds that can be cleaved by various specific stimuli, enabling achievement of targeted drug release for optimal therapy in various diseases.
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Affiliation(s)
- Xiaoqian Xin
- Clinical Translational Center for Targeted Drug, Department of Pharmacology, School of Medicine, Jinan University, Guangzhou 510632, PR China.
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14
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Pensado-López A, Fernández-Rey J, Reimunde P, Crecente-Campo J, Sánchez L, Torres Andón F. Zebrafish Models for the Safety and Therapeutic Testing of Nanoparticles with a Focus on Macrophages. NANOMATERIALS 2021; 11:nano11071784. [PMID: 34361170 PMCID: PMC8308170 DOI: 10.3390/nano11071784] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/05/2021] [Accepted: 07/07/2021] [Indexed: 12/11/2022]
Abstract
New nanoparticles and biomaterials are increasingly being used in biomedical research for drug delivery, diagnostic applications, or vaccines, and they are also present in numerous commercial products, in the environment and workplaces. Thus, the evaluation of the safety and possible therapeutic application of these nanomaterials has become of foremost importance for the proper progress of nanotechnology. Due to economical and ethical issues, in vitro and in vivo methods are encouraged for the testing of new compounds and/or nanoparticles, however in vivo models are still needed. In this scenario, zebrafish (Danio rerio) has demonstrated potential for toxicological and pharmacological screenings. Zebrafish presents an innate immune system, from early developmental stages, with conserved macrophage phenotypes and functions with respect to humans. This fact, combined with the transparency of zebrafish, the availability of models with fluorescently labelled macrophages, as well as a broad variety of disease models offers great possibilities for the testing of new nanoparticles. Thus, with a particular focus on macrophage-nanoparticle interaction in vivo, here, we review the studies using zebrafish for toxicological and biodistribution testing of nanoparticles, and also the possibilities for their preclinical evaluation in various diseases, including cancer and autoimmune, neuroinflammatory, and infectious diseases.
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Affiliation(s)
- Alba Pensado-López
- Department of Zoology, Genetics and Physical Anthropology, Campus de Lugo, Universidade de Santiago de Compostela, 27002 Lugo, Spain; (A.P.-L.); (J.F.-R.)
- Center for Research in Molecular Medicine & Chronic Diseases (CIMUS), Campus Vida, Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Spain;
| | - Juan Fernández-Rey
- Department of Zoology, Genetics and Physical Anthropology, Campus de Lugo, Universidade de Santiago de Compostela, 27002 Lugo, Spain; (A.P.-L.); (J.F.-R.)
- Center for Research in Molecular Medicine & Chronic Diseases (CIMUS), Campus Vida, Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Spain;
| | - Pedro Reimunde
- Department of Physiotherapy, Medicine and Biomedical Sciences, Universidade da Coruña, Campus de Oza, 15006 A Coruña, Spain;
- Department of Neurosurgery, Hospital Universitario Lucus Augusti, 27003 Lugo, Spain
| | - José Crecente-Campo
- Center for Research in Molecular Medicine & Chronic Diseases (CIMUS), Campus Vida, Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Spain;
| | - Laura Sánchez
- Department of Zoology, Genetics and Physical Anthropology, Campus de Lugo, Universidade de Santiago de Compostela, 27002 Lugo, Spain; (A.P.-L.); (J.F.-R.)
- Correspondence: (L.S.); (F.T.A.)
| | - Fernando Torres Andón
- Center for Research in Molecular Medicine & Chronic Diseases (CIMUS), Campus Vida, Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Spain;
- Correspondence: (L.S.); (F.T.A.)
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15
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Yan M, Chen T, Zhang S, Lu T, Sun X. A core-shell structured alginate hydrogel beads with tunable thickness of carboxymethyl cellulose coating for pH responsive drug delivery. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2021; 32:763-778. [PMID: 33345720 DOI: 10.1080/09205063.2020.1866350] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
pH-responsive core-shell structured composite hydrogel beads, composed of a alginate (ALG) core coated with carboxymethyl cellulose (CMC) shell (ALG@CMC), were prepared by using in-situ gel preparation technology as a drug delivery system. An anti-inflammatory drug, indomethacin was loaded into the formed hydrogels as a model drug. The resulting gel samples were characterized by Fourier transforms infrared (FTIR) spectroscopy, thermo-gravimetric (TG) analysis, and scanning electron microscopy (SEM). The mechanical stability of all samples in phosphate buffered solution (PBS, pH 7.4) was approximately measured through oscillation experiments. Swelling and controlled drug release behaviors of ALG@CMC beads compared with ALG were studied in simulating gastric fluid of pH 1.2 or intestinal fluid of pH 7.4 at 37 °C. Oscillation experiments proved that the mechanical stability of ALG@CMC beads could be significantly improved by the CMC shell layer. The swelling and drug release behaviors revealed that the swelling and drug release rate of ALG@CMC beads were obviously slower than that of simple-ALG and both have significant pH responsiveness. The cumulative drug release from ALG, ALG@CMC-1, ALG@CMC-2 and ALG@CMC-3 was about 100%, 67%, 46% and 37% in simulated intestinal fluid of pH 7.4, respectively, while the drug release reached only about 2.0% in simulating gastric fluid of pH 1.2 within 720 min. These developed materials could potentially be employed as a pH-responsive drug delivery device in vivo.[Formula: see text].
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Affiliation(s)
- Mingzhu Yan
- College of Chemistry, Zhengzhou University, Zhengzhou, China
| | - Tiantian Chen
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, China
| | - Shuping Zhang
- College of Chemistry, Zhengzhou University, Zhengzhou, China
| | - Ting Lu
- College of Chemistry, Zhengzhou University, Zhengzhou, China
| | - Ximeng Sun
- College of Chemistry, Zhengzhou University, Zhengzhou, China
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16
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Ofridam F, Tarhini M, Lebaz N, Gagnière É, Mangin D, Elaissari A. pH
‐sensitive polymers: Classification and some fine potential applications. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5230] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Fabrice Ofridam
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, LAGEPP UMR 5007 Villeurbanne France
| | - Mohamad Tarhini
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, ISA UMR 5280 Villeurbanne France
| | - Noureddine Lebaz
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, LAGEPP UMR 5007 Villeurbanne France
| | - Émilie Gagnière
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, LAGEPP UMR 5007 Villeurbanne France
| | - Denis Mangin
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, LAGEPP UMR 5007 Villeurbanne France
| | - Abdelhamid Elaissari
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, ISA UMR 5280 Villeurbanne France
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Zhou H, He G, Sun Y, Wang J, Wu H, Jin P, Zha Z. Cryptobiosis-inspired assembly of "AND" logic gate platform for potential tumor-specific drug delivery. Acta Pharm Sin B 2021; 11:534-543. [PMID: 33643829 PMCID: PMC7893123 DOI: 10.1016/j.apsb.2020.08.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 07/02/2020] [Accepted: 07/18/2020] [Indexed: 01/08/2023] Open
Abstract
Developing tumor-specific drug delivery systems with minimized off-target cargo leakage remains an enduring challenge. In this study, inspired from the natural cryptobiosis explored by certain organisms and stimuli-responsive polyphenol‒metal coordination chemistry, doxorubicin (DOX)-conjugated gelatin nanoparticles with protective shells formed by complex of tannic acid and FeIII (DG@TA-FeIII NPs) were successfully developed as an “AND” logic gate platform for tumor-targeted DOX delivery. Moreover, benefiting from the well-reported photothermal conversion ability of TA-FeIII complex, a synergistic tumor inhibition effect was confirmed by treating 4T1 tumor-bearing mice with DG@TA-FeIII NPs and localized near-infrared (NIR) laser irradiation. As a proof of concept study, this work present a simple strategy for developing “AND” logic gate platforms by coating enzyme-degradable drug conjugates with detachable polyphenol‒metal shells.
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Affiliation(s)
- Hu Zhou
- Shenzhen Maternity and Child Healthcare Hospital, Shandong University, Shenzhen 518028, China
| | - Gang He
- School of Food and Biological Engineering, School of Instrument Science and Opto-Electronics Engineering, Hefei University of Technology, Hefei 230009, China
| | - Yanbin Sun
- School of Food and Biological Engineering, School of Instrument Science and Opto-Electronics Engineering, Hefei University of Technology, Hefei 230009, China
| | - Jingguo Wang
- School of Food and Biological Engineering, School of Instrument Science and Opto-Electronics Engineering, Hefei University of Technology, Hefei 230009, China
| | - Haitao Wu
- School of Food and Biological Engineering, School of Instrument Science and Opto-Electronics Engineering, Hefei University of Technology, Hefei 230009, China
| | - Ping Jin
- Shenzhen Maternity and Child Healthcare Hospital, Shandong University, Shenzhen 518028, China
- Corresponding authors.
| | - Zhengbao Zha
- School of Food and Biological Engineering, School of Instrument Science and Opto-Electronics Engineering, Hefei University of Technology, Hefei 230009, China
- Corresponding authors.
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18
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Lyu Q, Peng L, Hong X, Fan T, Li J, Cui Y, Zhang H, Zhao J. Smart nano-micro platforms for ophthalmological applications: The state-of-the-art and future perspectives. Biomaterials 2021; 270:120682. [PMID: 33529961 DOI: 10.1016/j.biomaterials.2021.120682] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 01/10/2021] [Accepted: 01/14/2021] [Indexed: 12/18/2022]
Abstract
Smart nano-micro platforms have been extensively applied for diverse biomedical applications, mostly focusing on cancer therapy. In comparison with conventional nanotechnology, the smart nano-micro matrix can exhibit specific response to exogenous or endogenous triggers, and thus can achieve multiple functions e.g. site-specific drug delivery, bio-imaging and detection of bio-molecules. These intriguing techniques have expanded into ophthalmology in recent years, yet few works have been summarized in this field. In this work, we provide the state-of-the-art of diverse nano-micro platforms based on both the conventional materials (e.g. natural or synthetic polymers, lipid nanomaterials, metal and metal oxide nanoparticles) and emerging nanomaterials (e.g. up-conversion nanoparticles, quantum dots and carbon materials) in ophthalmology, with some smart nano/micro platformers highlighted. The common ocular diseases studied in the field of nano-micro systems are firstly introduced, and their therapeutic method and the related drawback in clinic treatment are presented. The recent progress of different materials for diverse ocular applications is then demonstrated, with the representative nano- and micro-systems highlighted in detail. At last, an in-depth discussion on the clinical translation challenges faced in this field and the future direction are provided. This review would allow the researchers to design more smart nanomedicines in a more rational manner for specific ophthalmology applications.
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Affiliation(s)
- Qinghua Lyu
- Shenzhen Eye Hospital, School of Ophthalmology & Optometry Affiliated to Shenzhen University, Shenzhen, 518040, PR China; Institute of Microscale Optoelectronics, Collaborative Innovation Centre for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, Guangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, PR China
| | - Ling Peng
- Institute of Microscale Optoelectronics, Collaborative Innovation Centre for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, Guangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, PR China
| | - Xiangqian Hong
- Shenzhen Eye Hospital, School of Ophthalmology & Optometry Affiliated to Shenzhen University, Shenzhen, 518040, PR China; Institute of Microscale Optoelectronics, Collaborative Innovation Centre for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, Guangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, PR China
| | - Taojian Fan
- Institute of Microscale Optoelectronics, Collaborative Innovation Centre for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, Guangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, PR China
| | - Jingying Li
- Department of Ophthalmology, Peking University Shenzhen Hospital, Shenzhen, 518000, PR China
| | - Yubo Cui
- Department of Ophthalmology, Shenzhen People's Hospital (The Second Clinical Medical College,Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, PR China
| | - Han Zhang
- Institute of Microscale Optoelectronics, Collaborative Innovation Centre for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, Guangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, PR China.
| | - Jun Zhao
- Shenzhen Eye Hospital, School of Ophthalmology & Optometry Affiliated to Shenzhen University, Shenzhen, 518040, PR China; Department of Ophthalmology, Shenzhen People's Hospital (The Second Clinical Medical College,Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, PR China.
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19
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Huang L, Zhao S, Fang F, Xu T, Lan M, Zhang J. Advances and perspectives in carrier-free nanodrugs for cancer chemo-monotherapy and combination therapy. Biomaterials 2020; 268:120557. [PMID: 33260095 DOI: 10.1016/j.biomaterials.2020.120557] [Citation(s) in RCA: 104] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 11/09/2020] [Accepted: 11/18/2020] [Indexed: 12/11/2022]
Abstract
Nanocarrier-based drug delivery systems hold impressive promise for biomedical application because of their excellent water dispersibility, prolonged blood circulation time, increased drug accumulation in tumors, and potential in combination therapeutics. However, most nanocarriers suffer from low drug-loading efficiency, poor therapeutic effectiveness, potential systematic toxicity, and unstable metabolism. As an alternative, carrier-free nanodrugs, completely formulated with one or more drugs, have attracted increasing attention in cancer therapy due to their advantage of improved pharmacodynamics/pharmacokinetics, reduced toxicity, and high drug-loading. In recent years, carrier-free nanodrugs have contributed to progress in a variety of therapeutic modalities. In this review, different common strategies for carrier-free nanodrugs preparation are first summarized, mainly including nanoprecipitation, template-assisted nanoprecipitation, thin-film hydration, spray-drying technique, supercritical fluid (SCF) technique, and wet media milling. Then we describe the recently reported carrier-free nanodrugs for cancer chemo-monotherapy or combination therapy. The advantages of anti-cancer drugs combined with other chemotherapeutic, photosensitizers, photothermal, immunotherapeutic or gene drugs have been demonstrated. Finally, a future perspective is introduced to highlight the existing challenges and possible solutions toward clinical application of currently developed carrier-free nanodrugs, which may be instructive to the design of effective carrier-free regimens in the future.
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Affiliation(s)
- Li Huang
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, PR China
| | - Shaojing Zhao
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, PR China
| | - Fang Fang
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Sciences, Beijing Institute of Technology, Beijing, 100081, PR China
| | - Ting Xu
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, PR China
| | - Minhuan Lan
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, PR China.
| | - Jinfeng Zhang
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Sciences, Beijing Institute of Technology, Beijing, 100081, PR China.
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20
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Szafraniec-Szczęsny J, Janik-Hazuka M, Odrobińska J, Zapotoczny S. Polymer Capsules with Hydrophobic Liquid Cores as Functional Nanocarriers. Polymers (Basel) 2020; 12:E1999. [PMID: 32887444 PMCID: PMC7565928 DOI: 10.3390/polym12091999] [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: 08/14/2020] [Revised: 08/28/2020] [Accepted: 09/01/2020] [Indexed: 12/12/2022] Open
Abstract
Recent developments in the fabrication of core-shell polymer nanocapsules, as well as their current and future applications, are reported here. Special attention is paid to the newly introduced surfactant-free fabrication method of aqueous dispersions of nanocapsules with hydrophobic liquid cores stabilized by amphiphilic copolymers. Various approaches to the efficient stabilization of such vehicles, tailoring their cores and shells for the fabrication of multifunctional, navigable nanocarriers and/or nanoreactors useful in various fields, are discussed. The emphasis is placed on biomedical applications of polymer nanocapsules, including the delivery of poorly soluble active compounds and contrast agents, as well as their use as theranostic platforms. Other methods of fabrication of polymer-based nanocapsules are briefly presented and compared in the context of their biomedical applications.
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Affiliation(s)
- Joanna Szafraniec-Szczęsny
- Department of Pharmaceutical Technology and Biopharmaceutics, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland
| | - Małgorzata Janik-Hazuka
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland; (M.J.-H.); (J.O.)
| | - Joanna Odrobińska
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland; (M.J.-H.); (J.O.)
| | - Szczepan Zapotoczny
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland; (M.J.-H.); (J.O.)
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21
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Jiang Z, Wang T, Yuan S, Wang M, Qi W, Su R, He Z. A tumor-sensitive biological metal-organic complex for drug delivery and cancer therapy. J Mater Chem B 2020; 8:7189-7196. [PMID: 32618980 DOI: 10.1039/d0tb00599a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Metal-organic complexes (MOCs) or metal-organic frameworks (MOFs) have attracted increasing interest for constructing nanoscale drug delivery systems for cancer therapy. However, conventional MOC/MOF materials usually contain toxic metals or low-biocompatible organic ligands. Also, current approaches for creating tumor-sensitive nanocarriers are always based on the instability of coordination bonds under acidic conditions, or through post-synthetic modification with sensitive molecules. As a matter of fact, it is more facile to fabricate tumor-sensitive MOCs/MOFs based on the stimuli-responsiveness of organic ligands. In this study, a novel tumor-sensitive biological MOC (bioMOC-Zn(Cys)) was created through the assembly of endogenous Zn2+ ions and the small biological molecule (l-cystine, Cys). The disulfide bond in l-cystine is cleavable by the overexpressed GSH in tumor cells, thus achieving rapid release of drugs from nanocarriers. By encapsulating doxorubicin (DOX) in bioMOC-Zn(Cys), DOX@bioMOC-Zn(Cys) displayed higher cellular uptake and cytotoxicity in cancer cells than free DOX. In vivo investigations indicated that DOX@bioMOC-Zn(Cys) largely inhibited tumor growth and reduced side effects. Remarkably, since both metal ions and organic ligands were obtained from biological sources, bioMOC-Zn(Cys) exhibited superior biocompatibility. This study presents a new method for fabricating MOC-based nanodrugs with high tumor-sensitivity and low toxicity.
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Affiliation(s)
- Zelei Jiang
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300350, P. R. China.
| | - Tong Wang
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300350, P. R. China.
| | - Shuai Yuan
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300350, P. R. China.
| | - Mengfan Wang
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300350, P. R. China. and Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin 300350, P. R. China
| | - Wei Qi
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300350, P. R. China. and Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin 300350, P. R. China and The Co-Innovation Centre of Chemistry and Chemical Engineering of Tianjin, Tianjin 300350, P. R. China
| | - Rongxin Su
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300350, P. R. China. and Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin 300350, P. R. China and The Co-Innovation Centre of Chemistry and Chemical Engineering of Tianjin, Tianjin 300350, P. R. China
| | - Zhimin He
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300350, P. R. China.
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22
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Shi H, Xu M, Zhu J, Li Y, He Z, Zhang Y, Xu Q, Niu Y, Liu Y. Programmed co-delivery of platinum nanodrugs and gemcitabine by a clustered nanocarrier for precision chemotherapy for NSCLC tumors. J Mater Chem B 2020; 8:332-342. [DOI: 10.1039/c9tb02055a] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A pH/redox dual stimuli-responsive clustered nanoparticles are demonstrated as vehicle for simultaneously delivering ultra-small platinum nanoparticles (USPtNs) and gemcitabine (GEM) to treat non-small-cell lung cancer.
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Affiliation(s)
- Huihui Shi
- Department of Pharmacy
- Zhongda Hospital
- School of Medicine
- Southeast University
- Nanjing 210009
| | - Ming Xu
- Department of Occupational Disease Prevention
- Jiangsu Provincial Center for Disease Control and Prevention
- Nanjing 210009
- China
- School of Public Health
| | - Jianhua Zhu
- School of Pharmacy
- Nanjing Medical University
- Nanjing 211166
- China
| | - Yang Li
- School of Pharmacy
- Nanjing Medical University
- Nanjing 211166
- China
| | - Zhiyu He
- Institute for NanoBioTechnology
- Johns Hopkins University
- Baltimore
- USA
| | - Yuxia Zhang
- School of Pharmacy
- Nanjing Medical University
- Nanjing 211166
- China
| | - Qunwei Xu
- School of Pharmacy
- Nanjing Medical University
- Nanjing 211166
- China
| | - Yimin Niu
- Department of Pharmacy
- Zhongda Hospital
- School of Medicine
- Southeast University
- Nanjing 210009
| | - Yang Liu
- School of Pharmacy
- Nanjing Medical University
- Nanjing 211166
- China
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23
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Khalili Amand F, Esmaeili A. Investigating the properties of electrospun nanofibers made of hybride polymer containing anticoagulant drugs. Carbohydr Polym 2020; 228:115397. [DOI: 10.1016/j.carbpol.2019.115397] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 09/25/2019] [Accepted: 09/28/2019] [Indexed: 11/27/2022]
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24
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Zhang HJ, Zhao X, Chen LJ, Yang CX, Yan XP. pH-Driven Targeting Nanoprobe with Dual-Responsive Drug Release for Persistent Luminescence Imaging and Chemotherapy of Tumor. Anal Chem 2019; 92:1179-1188. [DOI: 10.1021/acs.analchem.9b04318] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Hong-Jiao Zhang
- Research Center for Analytical Sciences, Tianjin Key Laboratory of Molecular Recognition and Biosensing, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Xu Zhao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, 214122, China
- Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Li-Jian Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, 214122, China
- Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Cheng-Xiong Yang
- Research Center for Analytical Sciences, Tianjin Key Laboratory of Molecular Recognition and Biosensing, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Xiu-Ping Yan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, 214122, China
- Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
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25
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Rothenbücher TS, Ledin J, Gibbs D, Engqvist H, Persson C, Hulsart-Billström G. Zebrafish embryo as a replacement model for initial biocompatibility studies of biomaterials and drug delivery systems. Acta Biomater 2019; 100:235-243. [PMID: 31585201 DOI: 10.1016/j.actbio.2019.09.038] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 09/02/2019] [Accepted: 09/26/2019] [Indexed: 02/07/2023]
Abstract
The development of new biomaterials and drug delivery systems necessitates animal experimentation to demonstrate biocompatibility and therapeutic efficacy. Reduction and replacement of the requirement to conduct experiment using full-grown animals has been achieved through utilising zebrafish embryos, a promising bridge model between in vitro and in vivo research. In this review, we consider how zebrafish embryos have been utilised to test both the biocompatibility of materials developed to interact with the human body and drug release studies. Furthermore, we outline the advantages and limitations of this model and review legal and ethical issues. We anticipate increasing application of the zebrafish model for biomaterial evaluation in the near future. STATEMENT OF SIGNIFICANCE: This review aims to evaluate the potential application and suitability of the zebrafish model in the development of biomaterials and drug delivery systems. It creates scientific impact and interest because replacement models are desirable to the society and the scientific community. The continuous development of biomaterials calls for the need to provide solutions for biological testing. This review covers the topic of how the FET model can be applied to evaluate biocompatibility. Further, it explores the zebrafish from the wild-type to the mutant form, followed by a discussion about the ethical considerations and concerns when using the FET model.
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Cano-Cortes MV, Navarro-Marchal SA, Ruiz-Blas MP, Diaz-Mochon JJ, Marchal JA, Sanchez-Martin RM. A versatile theranostic nanodevice based on an orthogonal bioconjugation strategy for efficient targeted treatment and monitoring of triple negative breast cancer. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2019; 24:102120. [PMID: 31676374 DOI: 10.1016/j.nano.2019.102120] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 10/10/2019] [Accepted: 10/15/2019] [Indexed: 12/17/2022]
Abstract
A novel chemical-based orthogonal bioconjugation strategy to produce tri-functionalized nanoparticles (NPs) an chemotherapy drug, doxorubicin (DOX), a near-infrared cyanine dye (Cy7) and CRGDK homing peptide, a peptide specifically binds to neuropilin-1 (Nrp-1) overexpressed on triple negative breast cancer (TNBC) cells, has been validated. These theranostic NPs have been evaluated in vitro and in vivo using an orthotopic xenotransplant mouse model using TNBC cells. In vitro assays show that theranostic NPs improve the therapeutic index in comparison with free DOX. Remarkably, in vivo studies showed preferred location of theranostic NPs in the tumor area reducing the volume at the same level than free DOX while presenting lower side effects. This multifunctionalized theranostic nanodevice based on orthogonal conjugation strategies could be a good candidate for the treatment and monitoring of Nrp-1 overexpressing tumors. Moreover, this versatile nanodevice can be easily adapted to treat and monitor different cancer types by adapting the conjugation strategy.
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Affiliation(s)
- María Victoria Cano-Cortes
- GENYO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, PTS Granada, Granada, Spain; Department of Medicinal & Organic Chemistry and Excellence Research Unit of "Chemistry applied to Biomedicine and the Environment," Faculty of Pharmacy, University of Granada, Campus de Cartuja s/n, Granada, Spain; Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Universidad de Granada, Granada, Spain
| | - Saúl Abenhamar Navarro-Marchal
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research (CIBM), University of Granada, Granada, Spain; Department of Applied Physics, Faculty of Sciences, University of Granada, Granada, Spain; Department of Human Anatomy and Embryology and Excellence Research Unit "Modeling Nature" (MNat), Faculty of Medicine, University of Granada, Granada, Spain
| | - María Paz Ruiz-Blas
- GENYO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, PTS Granada, Granada, Spain; Department of Medicinal & Organic Chemistry and Excellence Research Unit of "Chemistry applied to Biomedicine and the Environment," Faculty of Pharmacy, University of Granada, Campus de Cartuja s/n, Granada, Spain; Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Universidad de Granada, Granada, Spain
| | - Juan José Diaz-Mochon
- GENYO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, PTS Granada, Granada, Spain; Department of Medicinal & Organic Chemistry and Excellence Research Unit of "Chemistry applied to Biomedicine and the Environment," Faculty of Pharmacy, University of Granada, Campus de Cartuja s/n, Granada, Spain; Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Universidad de Granada, Granada, Spain
| | - Juan Antonio Marchal
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research (CIBM), University of Granada, Granada, Spain; Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Universidad de Granada, Granada, Spain; Department of Human Anatomy and Embryology and Excellence Research Unit "Modeling Nature" (MNat), Faculty of Medicine, University of Granada, Granada, Spain.
| | - Rosario M Sanchez-Martin
- GENYO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, PTS Granada, Granada, Spain; Department of Medicinal & Organic Chemistry and Excellence Research Unit of "Chemistry applied to Biomedicine and the Environment," Faculty of Pharmacy, University of Granada, Campus de Cartuja s/n, Granada, Spain; Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Universidad de Granada, Granada, Spain.
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Sun Q, Bi H, Wang Z, Li C, Wang C, Xu J, Yang D, He F, Gai S, Yang P. O 2-Generating Metal-Organic Framework-Based Hydrophobic Photosensitizer Delivery System for Enhanced Photodynamic Therapy. ACS APPLIED MATERIALS & INTERFACES 2019; 11:36347-36358. [PMID: 31525886 DOI: 10.1021/acsami.9b11607] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Photodynamic therapy (PDT) has been introduced as a photochemical process for treatment by causing cancer cell death and necrosis, with higher accuracy and few side effects. However, the hydrophobicity of most photosensitizers and hypoxia at the tumor sites are two crucial problems to be solved to achieve a successful PDT. Herein, we designed and constructed a novel metal-organic framework-based drug delivery system (BSA-MnO2/Ce6@ZIF-8) with tumor microenvironment controllability. In our system, the hydrophobic photosensitizer chlorin e6 (Ce6) was one-pot incorporated into the matrix of zeolitic imidazolate framework 8 (ZIF-8) to form the Ce6@ZIF-8 compound, which can efficiently keep the Ce6 molecules isolated and avoid them self-aggregate, and the loading rate of Ce6 was high up to 28.3 wt %. The bovine serum albumin (BSA)-MnO2 nanoparticles (NPs) with catalase-like activity were loaded onto the surface of ZIF-8, having the capacity for self-sufficiency of O2 under the circumstance of H2O2 in acid solution, relieving hypoxia in cancer cells and thereby improving the PDT efficiency greatly when irradiated by low power density (230 mW/cm2) 650 nm light. Moreover, the MnO2 NPs react with H2O2 in acid solution to produce Mn2+, granting the system the qualification of a contrast agent for magnetic resonance imaging. Therefore, our nanoplatform would further contribute to the treatment of hypoxic tumors in clinical practice.
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Affiliation(s)
- Qianqian Sun
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering , Harbin Engineering University , Harbin 150001 , P. R. China
| | - Huiting Bi
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering , Harbin Engineering University , Harbin 150001 , P. R. China
| | - Zhao Wang
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering , Harbin Engineering University , Harbin 150001 , P. R. China
- College of Sciences , Heihe University , Heihe 164300 , P. R. China
| | - Chunxia Li
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials , Zhejiang Normal University , Jinhua , Zhejiang 321004 , P. R. China
| | - Chen Wang
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering , Harbin Engineering University , Harbin 150001 , P. R. China
| | - Jiating Xu
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering , Harbin Engineering University , Harbin 150001 , P. R. China
| | - Dan Yang
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering , Harbin Engineering University , Harbin 150001 , P. R. China
| | - Fei He
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering , Harbin Engineering University , Harbin 150001 , P. R. China
| | - Shili Gai
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering , Harbin Engineering University , Harbin 150001 , P. R. China
| | - Piaoping Yang
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering , Harbin Engineering University , Harbin 150001 , P. R. China
- College of Sciences , Heihe University , Heihe 164300 , P. R. China
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Charge-convertible polymers for improved tumor targeting and enhanced therapy. Biomaterials 2019; 217:119299. [DOI: 10.1016/j.biomaterials.2019.119299] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 06/20/2019] [Accepted: 06/22/2019] [Indexed: 12/31/2022]
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29
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Ren DX, Chen PC, Zheng P, Xu ZN. pH/redox dual response nanoparticles with poly-γ-glutamic acid for enhanced intracellular drug delivery. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.06.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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30
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Nanomaterials meet zebrafish: Toxicity evaluation and drug delivery applications. J Control Release 2019; 311-312:301-318. [PMID: 31446084 DOI: 10.1016/j.jconrel.2019.08.022] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 08/19/2019] [Accepted: 08/21/2019] [Indexed: 12/23/2022]
Abstract
With the rapid development of engineered nanomaterials for various applications, in vivo toxicological studies for evaluating the potential hazardous effects of nanomaterials on environmental and human safety are in urgent need. Zebrafish has long been considered as the "gold standard" for biosafety assessments of chemicals and pollutants due to its high fecundity, cost-effectiveness, well-characterized developmental stages, optical transparency, and so forth. Thus, zebrafish holds great potential for high-throughput nanotoxicity screening. In this review, we summarize the in vivo toxicological profiles of different nanomaterials, including Ag nanoparticles (NPs), CuO NPs, silica NPs, polymeric NPs, quantum dots, nanoscale metal-organic frameworks, etc, in zebrafish and focus on how the physicochemical properties (e.g., size, surface charge, and surface chemistry) of these nanomaterials influence their biosafety. In addition, we also report the recent advances of the in vivo delivery of nanopharmaceuticals using zebrafish as the model organism for therapeutic assessment, biodistribution tracking, and the controlled release of loaded drugs. Limitations and special considerations of zebrafish model are also discussed. Overall, zebrafish is expected to serve as a high-throughput screening platform for nanotoxicity and drug delivery assessment, which may instruct the design of safe nanomaterials and more effective nanomedicines.
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Wang Y, Wu W, Liu J, Manghnani PN, Hu F, Ma D, Teh C, Wang B, Liu B. Cancer-Cell-Activated Photodynamic Therapy Assisted by Cu(II)-Based Metal-Organic Framework. ACS NANO 2019; 13:6879-6890. [PMID: 31194910 DOI: 10.1021/acsnano.9b01665] [Citation(s) in RCA: 135] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Activation of photosensitizers (PSs) in targeted lesion and minimization of reactive oxygen species (ROS) depletion by endogenous antioxidants constitute promising approaches to perform highly effective image-guided photodynamic therapy (PDT) with minimal non-specific phototoxicity. Traditional strategies to fabricate controllable PS platforms rely on molecular design, which requires specific modification of each PS before PDT. Therefore, construction of a general tumor-responsive PDT platform with minimum ROS loss from endogenous antioxidant, typically glutathione (GSH), is highly desirable. Herein, MOF-199, a Cu(II) carboxylate-based metal-organic framework (MOF), is selected to serve as an inert carrier to load PSs with prohibited photosensitization during delivery. After cellular uptake, Cu (II) in the MOFs effectively scavenges endogenous GSH, concomitantly induces decomposition of MOF-199 to release the encapsulated PSs, and recovers their ROS generation. In vitro and in vivo experiments demonstrate highly effective cancer cell ablation and anticancer PDT with diminished normal cell phototoxicity. This strategy is generally applicable to PSs with both aggregation-induced emission and aggregation-caused quenching to implement activatable and enhanced image-guided PDT.
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Affiliation(s)
- Yuanbo Wang
- Department of Chemical and Biomolecular Engineering , National University of Singapore , 4 Engineering Drive 4 , Singapore 117585 , Singapore
| | - Wenbo Wu
- Department of Chemical and Biomolecular Engineering , National University of Singapore , 4 Engineering Drive 4 , Singapore 117585 , Singapore
| | - Jingjing Liu
- Department of Chemical and Biomolecular Engineering , National University of Singapore , 4 Engineering Drive 4 , Singapore 117585 , Singapore
| | - Purnima Naresh Manghnani
- Department of Chemical and Biomolecular Engineering , National University of Singapore , 4 Engineering Drive 4 , Singapore 117585 , Singapore
| | - Fang Hu
- Department of Chemical and Biomolecular Engineering , National University of Singapore , 4 Engineering Drive 4 , Singapore 117585 , Singapore
| | - Dou Ma
- School of Chemistry and Chemical Engineering , Beijing Institute of Technology , 5 South Zhongguancun Street , Beijing 100081 , P. R. China
| | - Cathleen Teh
- Institute of Molecular and Cell Biology , 61 Biopolis Drive , Singapore 138673 , Singapore
| | - Bo Wang
- School of Chemistry and Chemical Engineering , Beijing Institute of Technology , 5 South Zhongguancun Street , Beijing 100081 , P. R. China
| | - Bin Liu
- Department of Chemical and Biomolecular Engineering , National University of Singapore , 4 Engineering Drive 4 , Singapore 117585 , Singapore
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Ren SZ, Zhu D, Zhu XH, Wang B, Yang YS, Sun WX, Wang XM, Lv PC, Wang ZC, Zhu HL. Nanoscale Metal-Organic-Frameworks Coated by Biodegradable Organosilica for pH and Redox Dual Responsive Drug Release and High-Performance Anticancer Therapy. ACS APPLIED MATERIALS & INTERFACES 2019; 11:20678-20688. [PMID: 31081332 DOI: 10.1021/acsami.9b04236] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Responsive nanocarriers with biocompatibility and precise drug releasing capability have emerged as a prospective candidate for anticancer treatment. However, the challenges imposed by the complicated preparation process and limited loading capacities have seriously impeded the development of novel multifunctional drug delivery systems. Here, we developed a novel and dual-responsive nanocarrier based on a nanoscale ZIF-8 core and an organosilica shell containing disulfide bridges in its frameworks through a facile and efficient strategy. The prepared ZIF-8@DOX@organosilica nanoparticles (ZDOS NPs) exhibited a well-defined structure and excellent doxorubicin (DOX) loading capability (41.2%) with pH and redox dual-sensitive release properties. The degradation of the organosilica shell was observed after 12 h incubation with a 10 mM reducing agent. Confocal imaging and flow cytometry analysis further proved that the nanocarriers can efficiently enter cells and complete intracellular DOX release under the low pH and high glutathione concentrations, which resulted in an enhanced cytotoxicity of DOX for cancer cells. Meanwhile, subcellular localization experiments revealed that the ZDOS NPs entered cells mainly by endocytosis and then escaped from lysosomes into the cytosol. Moreover, in vivo assays also demonstrated that the ZDOS NPs exhibited negligible systemic toxicity and significantly enhanced anticancer efficiencies compared with free DOX. In summary, our prepared pH and redox dual-responsive nanocarriers provide a potential platform for controlled release and cancer treatment.
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Wang F, Zhang Q, Li X, Huang K, Shao W, Yao D, Huang C. Redox-responsive blend hydrogel films based on carboxymethyl cellulose/chitosan microspheres as dual delivery carrier. Int J Biol Macromol 2019; 134:413-421. [PMID: 31078600 DOI: 10.1016/j.ijbiomac.2019.05.049] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 04/13/2019] [Accepted: 05/07/2019] [Indexed: 02/06/2023]
Abstract
A simple method to fabricate redox-responsive composite hydrogel films via incorporating chitosan (CS) microspheres into carboxymethyl cellulose (CMC) hydrogel using a di-sulphide cross-linker cystamine dihydrochloride (CYS) have done in this paper. Dual drugs, an anticancer, 5-Fluorouracil (5-FU) and an antibiotic, Tetracycline Hydrochloride (TH) were used as model drugs. The prepared composite hydrogel films were characterized using FTIR, SEM, rheology measurement, mechanical and swelling tests. Our results showed that the well dispersed spherical CS microspheres endowed hydrogel film increased mechanical properties and swellability. In vitro drug release displayed an accelerated release under weak acidic or reducing media. The in vitro cytotoxicity and cell apoptosis studies showed the drug-loaded composite film caused enhanced inhibition to HepG2 cells in presence of glutathione (GSH). Moreover, the film has exhibited excellent antimicrobial efficacy against E.coli and Staphylococcus aureus. Therefore, our simple and effective dual drug-loaded system has the potential to be used for cancer therapy in the future.
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Affiliation(s)
- Fang Wang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China.
| | - Qian Zhang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Xinxia Li
- College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Kexin Huang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Wei Shao
- College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Dawei Yao
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Chaobo Huang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
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Zhang J, Chen L, Shen B, Chen L, Mo J, Feng J. Dual-Sensitive Graphene Oxide Loaded with Proapoptotic Peptides and Anticancer Drugs for Cancer Synergetic Therapy. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:6120-6128. [PMID: 30983368 DOI: 10.1021/acs.langmuir.9b00611] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A dual-sensitive drug delivery system (DDS) based on graphene oxide (GO) which is simultaneously loaded with proapoptotic peptides and anticancer drugs was rationally designed and fabricated for cancer synergetic therapy. Specifically, a kind of cell apoptosis peptide (KLAKLAK)2 (KLA) was anchored on the surface of GO via a disulfide bond to obtain GO-SS-KLA. Then, the aromatic anticancer drug doxorubicin (DOX) was loaded on GO through π-π conjugation and hydrogen bonding interactions. Finally, bovine serum albumin (BSA) was used to coat the GO carrier to obtain a biological medium-stable GO-based DDS, DOX@GO-SS-KLA/BSA. The results show that KLA and DOX can be released responding to the reductive and pH stimulus inside the cells, respectively, and achieve a synergetic therapy for cancer. Moreover, the results of stability studies show that DOX@GO-SS-KLA/BSA could be stably dispersed in water for more than 8 days and in 10% fetal bovine serum for at least 6 days. The constructed DOX@GO-SS-KLA/BSA exhibits great potential as a drug carrier for co-delivery of various therapeutic agents.
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Affiliation(s)
- Jing Zhang
- College of Materials Science & Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , China
| | - Liqun Chen
- College of Materials Science & Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , China
| | - Biao Shen
- College of Materials Science & Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , China
| | - Lingdong Chen
- College of Materials Science & Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , China
| | - Jiaying Mo
- College of Materials Science & Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , China
| | - Jie Feng
- College of Materials Science & Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , China
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35
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Cheng HB, Zhang YM, Liu Y, Yoon J. Turn-On Supramolecular Host-Guest Nanosystems as Theranostics for Cancer. Chem 2019. [DOI: 10.1016/j.chempr.2018.12.024] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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36
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Sufi SA, Pajaniradje S, Mukherjee V, Rajagopalan R. Redox Nano-Architectures: Perspectives and Implications in Diagnosis and Treatment of Human Diseases. Antioxid Redox Signal 2019; 30:762-785. [PMID: 29334759 DOI: 10.1089/ars.2017.7412] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
SIGNIFICANCE Efficient targeted therapy with minimal side-effects is the need of the hour. Locally altered redox state is observed in several human ailments, such as inflammation, sepsis, and cancer. This has been taken advantage of in designing redox-responsive nanodrug carriers. Redox-responsive nanosystems open a door to a multitude of possibilities for the control of diseases over other drug delivery systems. Recent Advances: The first-generation nanotherapy relies on novel properties of nanomaterials to shield the drug and deliver it to the diseased tissue or organ. The second generation is based on targeting the drug or diagnostic material to the diseased cell-specific receptors, or to a particular organ to improve the efficacy of the drug. The third and the latest generation of nanocarriers, the stimuli-responsive nanocarriers exploit the disease condition or environment to specifically deliver the drug or diagnostic probe for the best diagnosis and treatment. Several different kinds of stimuli such as temperature, magnetic field, pH, and altered redox state-responsive nanosystems have educed immense promise in the field of nanomedicine and therapy. CRITICAL ISSUES We describe the evolution of nanomaterial since its inception with an emphasis on stimuli-responsive nanocarriers, especially redox-sensitive nanocarriers. Importantly, we discuss the future perspectives of redox-responsive nanocarriers and their implications. FUTURE DIRECTIONS Redox-responsive nanocarriers achieve a near-to-zero premature release of the drug, thus avoiding off-site toxicity associated with the free drug. This bears great potential for the development of more effective drug delivery with better pharmacokinetics and pharmacodynamics.
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Affiliation(s)
- Shamim Akhtar Sufi
- 1 Department of Biochemistry and Molecular Biology, School of Life Sciences, Pondicherry University, Puducherry, India.,2 DBT-Interdisciplinary Program in Life Sciences, School of Life Sciences, Pondicherry University, Puducherry, India
| | - Sankar Pajaniradje
- 1 Department of Biochemistry and Molecular Biology, School of Life Sciences, Pondicherry University, Puducherry, India
| | - Victor Mukherjee
- 1 Department of Biochemistry and Molecular Biology, School of Life Sciences, Pondicherry University, Puducherry, India.,2 DBT-Interdisciplinary Program in Life Sciences, School of Life Sciences, Pondicherry University, Puducherry, India
| | - Rukkumani Rajagopalan
- 1 Department of Biochemistry and Molecular Biology, School of Life Sciences, Pondicherry University, Puducherry, India.,2 DBT-Interdisciplinary Program in Life Sciences, School of Life Sciences, Pondicherry University, Puducherry, India
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Yang C, Mi X, Su H, Yang J, Gu Y, Zhang L, Sun W, Liang X, Zhang C. GE11-PDA-Pt@USPIOs nano-formulation for relief of tumor hypoxia and MRI/PAI-guided tumor radio-chemotherapy. Biomater Sci 2019; 7:2076-2090. [DOI: 10.1039/c8bm01492b] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
GE11-PDA-Pt@USPIOs can relieve tumor hypoxic conditions efficiently and are highly effective for radio-chemotherapy of EGFR-positive tumors.
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Affiliation(s)
- Chengcheng Yang
- Department of Nuclear Medicine
- Rui Jin Hospital
- School of Medicine
- Shanghai Jiao Tong University
- Shanghai 200025
| | - Xuan Mi
- Department of Nuclear Medicine
- Rui Jin Hospital
- School of Medicine
- Shanghai Jiao Tong University
- Shanghai 200025
| | - Huilan Su
- State Key Laboratory of Metal Matrix Composites
- School of Materials Science and Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Jingxing Yang
- School of Biomedical Engineering
- Shanghai Jiao Tong University
- Shanghai 200230
- China
| | - Yiyun Gu
- School of Biomedical Engineering
- Shanghai Jiao Tong University
- Shanghai 200230
- China
| | - Lu Zhang
- School of Biomedical Engineering
- Shanghai Jiao Tong University
- Shanghai 200230
- China
| | - Wenshe Sun
- School of Biomedical Engineering
- Shanghai Jiao Tong University
- Shanghai 200230
- China
| | - Xiaowen Liang
- The University of Queensland Diamantina Institute
- The University of Queensland
- QLD 4102
- Australia
| | - Chunfu Zhang
- Department of Nuclear Medicine
- Rui Jin Hospital
- School of Medicine
- Shanghai Jiao Tong University
- Shanghai 200025
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38
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Qin SY, Zhang AQ, Zhang XZ. Recent Advances in Targeted Tumor Chemotherapy Based on Smart Nanomedicines. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1802417. [PMID: 30247806 DOI: 10.1002/smll.201802417] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 08/03/2018] [Indexed: 05/22/2023]
Abstract
Efficacy and safety of chemotherapeutic drugs constitute two major criteria in tumor chemotherapy. Nanomedicines with tumor-targeted properties hold great promise for improving the efficacy and safety. To design targeted nanomedicines, the pathological characteristics of tumors are extensively and deeply excavated. Here, the rationale, principles, and advantages of exploiting these pathological characteristics to develop targeted nanoplatforms for tumor chemotherapy are discussed. Homotypic targeting with the ability of self-recognition to source tumors is reviewed individually. In the meanwhile, the limitations and perspective of these targeted nanomedicines are also discussed.
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Affiliation(s)
- Si-Yong Qin
- School of Chemistry and Materials Science, South-Central University for Nationalities, Wuhan, 430074, China
- Key Laboratory of Biomedical Polymers of Ministry of Education and Department of Chemistry, Wuhan University, Wuhan, 430072, China
| | - Ai-Qing Zhang
- School of Chemistry and Materials Science, South-Central University for Nationalities, Wuhan, 430074, China
| | - Xian-Zheng Zhang
- Key Laboratory of Biomedical Polymers of Ministry of Education and Department of Chemistry, Wuhan University, Wuhan, 430072, China
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Zeng Y, Ma J, Zhan Y, Xu X, Zeng Q, Liang J, Chen X. Hypoxia-activated prodrugs and redox-responsive nanocarriers. Int J Nanomedicine 2018; 13:6551-6574. [PMID: 30425475 PMCID: PMC6202002 DOI: 10.2147/ijn.s173431] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Hypoxia is one of the marked features of malignant tumors, which is associated with several adaptation changes in the microenvironment of tumor cells. Therefore, targeting tumor hypoxia is a research hotspot for cancer therapy. In this review, we summarize the developing chemotherapeutic drugs for targeting hypoxia, including quinones, nitroaromatic/nitroimidazole, N-oxides, and transition metal complexes. In addition, redox-responsive bonds, such as nitroimidazole groups, azogroups, and disulfide bonds, are frequently used in drug delivery systems for targeting the redox environment of tumors. Both hypoxia-activated prodrugs and redox-responsive drug delivery nanocarriers have significant effects on targeting tumor hypoxia for cancer therapy. Hypoxia-activated prodrugs are commonly used in clinical trials with favorable prospects, while redox-responsive nanocarriers are currently at the experimental stage.
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Affiliation(s)
- Yun Zeng
- Engineering Research Center of Molecular and Neuro Imaging of the Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an 710071, Shaanxi Province, People's Republic of China, ,
| | - Jingwen Ma
- Department of Pharmaceutical Analysis, China Pharmaceutical University, Nanjing 210009, Jiangsu Province, People's Republic of China
| | - Yonghua Zhan
- Engineering Research Center of Molecular and Neuro Imaging of the Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an 710071, Shaanxi Province, People's Republic of China, ,
| | - Xinyi Xu
- Engineering Research Center of Molecular and Neuro Imaging of the Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an 710071, Shaanxi Province, People's Republic of China, ,
| | - Qi Zeng
- Engineering Research Center of Molecular and Neuro Imaging of the Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an 710071, Shaanxi Province, People's Republic of China, ,
| | - Jimin Liang
- Engineering Research Center of Molecular and Neuro Imaging of the Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an 710071, Shaanxi Province, People's Republic of China, ,
| | - Xueli Chen
- Engineering Research Center of Molecular and Neuro Imaging of the Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an 710071, Shaanxi Province, People's Republic of China, ,
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Raza A, Hayat U, Rasheed T, Bilal M, Iqbal HMN. Redox-responsive nano-carriers as tumor-targeted drug delivery systems. Eur J Med Chem 2018; 157:705-715. [PMID: 30138802 DOI: 10.1016/j.ejmech.2018.08.034] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 07/23/2018] [Accepted: 08/12/2018] [Indexed: 02/08/2023]
Abstract
With ever increasing scientific knowledge and awareness, research is underway around the globe to design new types of stimuli (external/internal) responsive nano-carriers for biotechnological applications at large and biomedical/pharmaceutical in particular. Based on literature evidence, stimuli-responsive carriers have been classified into four major categories, i.e. (1) physical, (2) chemical, (3) biological, and (4) dual (combination of any of the first three classes). Among various types, redox-responsive nano-carriers are of supreme interests and discussed here in this review. The difference in redox potential in tumor and normal tissue is considered as a potential target for tumor targeting leading to the development of redox-responsive drug delivery systems (DDS). In this regard, a high concentration of glutathione in tumor/intracellular environment has extensively been exploited. Disulfide bonds were found as a promising tool for designing redox-responsive which tend to cleave in a reductive environment forming sulfhydryl groups. Many nano-carriers have been explored widely to control tumor growth. These systems were used against the tumor xenograft animal model and showed improved tumor targeting with tumor growth inhibition. Herein, an effort has been made to summarize various aspects from design to development of numerous types of redox-responsive DDS including liposomes, micelles, nanoparticles, nanogel and prodrug based nanomedicines. An emphasis is also given on various types of nano-carriers with special reference to the tumor-targeted drug delivery applications. Also, dual responsive nano-carriers (in addition to redox-responsive) have also been briefly discussed. Towards the end of the chapter, the information is also given on their future perspectives.
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Affiliation(s)
- Ali Raza
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Uzma Hayat
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Tahir Rasheed
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China.
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, 223003, China
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, N.L., CP 64849, Mexico.
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Xia G, Zhang H, Cheng R, Wang H, Song Z, Deng L, Huang X, Santos HA, Cui W. Localized Controlled Delivery of Gemcitabine via Microsol Electrospun Fibers to Prevent Pancreatic Cancer Recurrence. Adv Healthc Mater 2018; 7:e1800593. [PMID: 30062854 DOI: 10.1002/adhm.201800593] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 06/29/2018] [Indexed: 12/13/2022]
Abstract
The low radical surgery rate of pancreatic cancer leads to increased local recurrence and poor prognosis. Gemcitabine (GEM) is the preferred chemotherapeutic for pancreatic cancer. However, systemic chemotherapy with GEM has reached a bottleneck due to its serious side effects after frequent injections. In this study, GEM is successfully enwrapped into electrospun fibers via microsol electrospinning technology to form a stable core-shell fibrous structure. The GEM release rate can be adjusted by altering the thickness of the hyaluronan-sol inner fiber and the quantity of loaded GEM, and the release can be sustained for as long as three weeks. In vitro assays show that these electrospun fibers effectively inhibit pancreatic cancer cells and promote apoptosis. In vivo studies show that the fibrous membranes are better for inhibiting the growth of residual tumors than that of integrated tumors. Furthermore, immunohistochemistry results show that GEM-loaded fibers promote a higher cell apoptosis rate than does systemically injected GEM in residual tumors. In addition, the local delivery of GEM with fibers significantly reduces liver toxicity. In summary, a core-shell electrospun fiber for the controlled and localized delivery of GEM, which greatly improves the treatment of residual tumors and prevents pancreatic tumor recurrence, is developed.
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Affiliation(s)
- Guanggai Xia
- Department of General Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Rd, Shanghai, 200233, P. R. China
| | - Hongbo Zhang
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
- Department of Pharmaceutical Sciences Laboratory, Turku Centre for Biotechnology, Åbo Akademi University, 20520, Turku, Finland
| | - Ruoyu Cheng
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
| | - Hongcheng Wang
- Department of General Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Rd, Shanghai, 200233, P. R. China
| | - Ziliang Song
- Department of General Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Rd, Shanghai, 200233, P. R. China
| | - Lianfu Deng
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
| | - Xinyu Huang
- Department of General Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Rd, Shanghai, 200233, P. R. China
| | - Hélder A Santos
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Helsinki, FI-00014, Finland
- Helsinki Institute of Life Science, HiLIFE, University of Helsinki, Helsinki, FI-00014, Finland
| | - Wenguo Cui
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, No. 220 Handan Road, Shanghai, 200433, China
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Li B, Feng Z, He L, Li W, Wang Q, Liu J, Huang J, Zheng Y, Ma Y, Yang X, Wang K. Self-Assembled Supramolecular Nanoparticles for Targeted Delivery and Combination Chemotherapy. ChemMedChem 2018; 13:2037-2044. [PMID: 30024095 DOI: 10.1002/cmdc.201800291] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Revised: 07/11/2018] [Indexed: 12/18/2022]
Abstract
It is challenging but imperative to merge imaging agents and small molecule therapeutics into one nanoentity for diagnosis and treatment. Herein, we constructed polymeric nanoparticles for targeted delivery and combination chemotherapy, which formed through host-guest interactions among three elements: 1) β-cyclodextrin polymer (poly-β-CD), as the backbone of nanoparticles; 2) two antitumor drugs-doxorubicin (DOX) and docetaxel (DTX); and 3) aptamers labeled with adamantane and fluorescein (Ad-aptamer-FAM), as recognition elements. First, polymeric nanoparticles, termed self-assembled supramolecular nanoparticles (SSNPs), were formulated by combining hydrophobic DTX and DOX with poly-β-CD via host-guest interactions. Then, the surface of SSNPs modified the aptamer to acquire targeting ability; such nanoparticles were termed targeted self-assembled supramolecular nanoparticles (T-SSNPs). As evidenced by MTS assay data, T-SSNPs exhibited significant selective cytotoxicity toward target cells. The results also indicated that combination drugs achieved a good synergistic effect with a combination index of 0.43. Thus, an effective and simple drug delivery system was constructed for targeted delivery and combination chemotherapy.
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Affiliation(s)
- Bingjie Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
| | - Zhenzhen Feng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
| | - Leiliang He
- College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Wenshan Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
| | - Qing Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
| | - Jianbo Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
| | - Jin Huang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
| | - Yan Zheng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
| | - Yanyun Ma
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
| | - Xiaohai Yang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
| | - Kemin Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
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Cai Y, Sheng Z, Wang J. A Biocompatible Zinc(II)-based Metal-organic Framework for pH Responsive Drug Delivery and Anti-Lung Cancer Activity. Z Anorg Allg Chem 2018. [DOI: 10.1002/zaac.201800248] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Yong Cai
- Department of Radiation Oncology; Shanghai Pulmonary Hospital; Tongji University School of Medicine; Shanghai P. R. China
| | - Zhaoying Sheng
- Department of Radiation Oncology; Shanghai Pulmonary Hospital; Tongji University School of Medicine; Shanghai P. R. China
| | - Jiying Wang
- Department of Oncology; Shanghai Pulmonary Hospital; Tongji University School of Medicine; Shanghai P. R. China
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Li M, Sun X, Zhang N, Wang W, Yang Y, Jia H, Liu W. NIR-Activated Polydopamine-Coated Carrier-Free "Nanobomb" for In Situ On-Demand Drug Release. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1800155. [PMID: 30027047 PMCID: PMC6051140 DOI: 10.1002/advs.201800155] [Citation(s) in RCA: 99] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 04/03/2018] [Indexed: 05/20/2023]
Abstract
Carrier-free nanoparticles with high drug loading have attracted increasing attention; however, in situ on-demand drug release remains a challenge. Here, a novel near-infrared (NIR) laser-induced blasting carrier-free nanodrug delivery system is designed and fabricated by coating doxorubicin (DOX) nanoparticles (DNPs) with a polydopamine film (PDA) that would prolong the blood circulation time of DNPs and avoid the preleakage of the DOX during blood circulation. Meanwhile, the NH4HCO3 is introduced to trigger in situ "bomb-like" release of DOX for the production of carbon dioxide (CO2) and ammonia (NH3) gases driven by NIR irradiated photothermal effect of PDA. Both in vitro and in vivo studies demonstrate that the carrier-free nanovectors with high drug loading efficiency (85.8%) prolong tumor accumulation, enhance chemotherapy, achieve the synergistic treatment of chemotherapy and photothermal treatment, and do not induce any foreign-body reaction over a three-week implantation. Hence, the delicate design opens a self-assembly path to develop PDA-based NIR-responsive multifunctional carrier-free nanoparticles for tumor therapy.
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Affiliation(s)
- Minghui Li
- School of Materials Science and EngineeringTianjin Key Laboratory of Composite and Functional MaterialsTianjin UniversityTianjin300350P. R. China
| | - Xuetan Sun
- School of Materials Science and EngineeringTianjin Key Laboratory of Composite and Functional MaterialsTianjin UniversityTianjin300350P. R. China
| | - Ning Zhang
- School of Materials Science and EngineeringTianjin Key Laboratory of Composite and Functional MaterialsTianjin UniversityTianjin300350P. R. China
| | - Wei Wang
- School of Materials Science and EngineeringTianjin Key Laboratory of Composite and Functional MaterialsTianjin UniversityTianjin300350P. R. China
| | - Yang Yang
- School of Materials Science and EngineeringTianjin Key Laboratory of Composite and Functional MaterialsTianjin UniversityTianjin300350P. R. China
| | - Huizhen Jia
- School of Materials Science and EngineeringTianjin Key Laboratory of Composite and Functional MaterialsTianjin UniversityTianjin300350P. R. China
- State Key Laboratory of Molecular Engineering of PolymersFudan UniversityShanghai200433P. R. China
| | - Wenguang Liu
- School of Materials Science and EngineeringTianjin Key Laboratory of Composite and Functional MaterialsTianjin UniversityTianjin300350P. R. China
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Lei B, Wang M, Jiang Z, Qi W, Su R, He Z. Constructing Redox-Responsive Metal-Organic Framework Nanocarriers for Anticancer Drug Delivery. ACS APPLIED MATERIALS & INTERFACES 2018; 10:16698-16706. [PMID: 29692177 DOI: 10.1021/acsami.7b19693] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Metal-organic frameworks (MOFs), which are a unique class of hybrid porous materials built from metal ions and organic ligands, have attracted significant interest in recent years as a promising platform for controlled drug delivery. Current approaches for creating MOFs-based responsive drug carriers involve encapsulation of stimuli-responsive compositions into MOFs or postsynthetic surface modification with sensitive molecules. In this study, we developed a novel intrinsic redox-responsive MOFs carrier, MOF-M(DTBA) (M = Fe, Al or Zr) by using iron, aluminum, or zirconium as metal nodes and 4,4'-dithiobisbenzoic acid (4,4'-DTBA) as the organic ligand. The disulfide bond in 4,4'-DTBA is cleavable by glutathione (GSH), which is often overexpressed in tumor cells. It was found that MOF-Zr(DTBA) synthesized at 40 °C displayed the appropriate size and properties as a drug carrier. By incorporating curcumin (CCM) into MOF-Zr(DTBA), CCM@MOF-Zr(DTBA) nanoparticles were obtained that displayed a faster releasing behavior in vitro and enhanced the cell death compared with free CCM. The in vivo anticancer experiments indicate that CCM@ MOF-Zr(DTBA) exhibits much higher antitumor efficacy than free CCM. This strategy for constructing responsive MOFs-based nanocarriers might open new possibilities for the application of MOFs in drug delivery, molecular imaging, or theranostics.
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Affiliation(s)
- Bingqian Lei
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering , Tianjin University , Tianjin 300350 , P. R. China
| | - Mengfan Wang
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering , Tianjin University , Tianjin 300350 , P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology , Tianjin 300350 , P. R. China
| | - Zelei Jiang
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering , Tianjin University , Tianjin 300350 , P. R. China
| | - Wei Qi
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering , Tianjin University , Tianjin 300350 , P. R. China
- The Co-Innovation Centre of Chemistry and Chemical Engineering of Tianjin , Tianjin 300072 , P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology , Tianjin 300350 , P. R. China
| | - Rongxin Su
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering , Tianjin University , Tianjin 300350 , P. R. China
- The Co-Innovation Centre of Chemistry and Chemical Engineering of Tianjin , Tianjin 300072 , P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology , Tianjin 300350 , P. R. China
| | - Zhimin He
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering , Tianjin University , Tianjin 300350 , P. R. China
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Yang S, Tang Z, Zhang D, Deng M, Chen X. pH and redox dual-sensitive polysaccharide nanoparticles for the efficient delivery of doxorubicin. Biomater Sci 2018; 5:2169-2178. [PMID: 28914292 DOI: 10.1039/c7bm00632b] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A pH and redox dual-sensitive biodegradable polysaccharide, succinic acid-decorated dextran-g-phenylalanine ethyl ester-g-cysteine ethyl ester (Dex-SA-l-Phe-l-Cys), was synthesized to load doxorubicin hydrochloride (DOX·HCl). The DOX-loaded nanoparticles, which were prepared in aqueous solution and free of organic solvent, could spontaneously self-assemble into uniform sizes. When loading DOX·HCl, mercapto Dex-SA-l-Phe-l-Cys was oxidized into a crosslinked disulfide linkage to form pH and redox dual-sensitive nanoparticles (DOX-S-NPs). The amphiphilic polymer loaded DOX·HCl into the core through electrostatic and hydrophobic interactions, meanwhile the crosslinked disulfide bond could stabilize the drug loaded nanoparticles. As a control with similar polymer structure, succinic acid decorated dextran-g-phenylalanine ethyl ester (Dex-SA-l-Phe) was prepared to obtain pH-sensitive DOX-loaded micelles (DOX-N-NPs). The controlled pH and redox-dependent release profiles of the DOX-S-NPs in vitro were certified in different releasing mediums. Furthermore, the cellular uptake of the DOX-S-NPs was comparable with that of free DOX·HCl, determined by confocal laser scanning microscopy (CLSM) and flow cytometry. Cytotoxicity assay in vitro showed that the DOX-S-NPs and free DOX·HCl were similar in inhibiting the proliferation of non-small cell lung carcinoma A549 and breast cancer MCF-7 cell lines. DOX-S-NPs displayed similar antitumor efficiency compared with free DOX·HCl, but lower toxicity by body weight. These dual-sensitive DOX-S-NPs provide a useful strategy for anti-tumor therapy.
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Affiliation(s)
- Shengcai Yang
- College of Chemistry, Jilin University, Changchun, 130012, P. R. China
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Drude N, Winz OH, Mottaghy FM, Roller M, Königs H, Möller M, Singh S, Morgenroth A. Impact of Glutathione Modulation on Stability and Pharmacokinetic Profile of Redox-Sensitive Nanogels. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1704093. [PMID: 29457349 DOI: 10.1002/smll.201704093] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 12/22/2017] [Indexed: 06/08/2023]
Abstract
Nanoparticles degradable upon external stimuli combine pharmacokinetic features of both small molecules as well as large nanoparticles. However, despite promising preclinical results, several redox responsive disulphide-linked nanoparticles failed in clinical translation, mainly due to their unexpected in vivo behavior. Glutathione (GSH) is one of the most evaluated antioxidants responsible for disulfide degradation. Herein, the impact of GSH on the in vivo behavior of redox-sensitive nanogels under physiological and modulated conditions is investigated. Labelling of nanogels with a DNA-intercalating dye and a radioisotope allows visualization of the redox responsiveness at the cellular and the systemic levels, respectively. In vitro, efficient cleavage of disulphide bonds of nanogels is achieved by manipulation of intracellular GSH concentration. While in vivo, the redox-sensitive nanogels undergo, to a certain extent, premature degradation in circulation leading to rapid renal elimination. This instability is modulated by transient inhibition of GSH synthesis with buthioninsulfoximin. Altered GSH concentration significantly changes the in vivo pharmacokinetics. Lower GSH results in higher elimination half-life and altered biodistribution of the nanogels with a different metabolite profile. These data provide strong evidence that decreased nanogel degradation in blood circulation can limit the risk of premature drug release and enhance circulation half-life of the nanogel.
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Affiliation(s)
- Natascha Drude
- Department of Nuclear Medicine, RWTH Aachen University, Aachen, 52074, Germany
- DWI - Leibniz Institute for Interactive Materials, RWTH Aachen University, Aachen, 52074, Germany
| | - Oliver H Winz
- Department of Nuclear Medicine, RWTH Aachen University, Aachen, 52074, Germany
| | - Felix M Mottaghy
- Department of Nuclear Medicine, RWTH Aachen University, Aachen, 52074, Germany
- Department of Radiology and Nuclear Medicine, Maastricht University Medical Center, Maastricht, 6229, HX, The Netherlands
| | - Marion Roller
- Department of Nuclear Medicine, RWTH Aachen University, Aachen, 52074, Germany
| | - Hiltrud Königs
- Pathology-Electron Microscopy Facility, RWTH Aachen University, Aachen, 52074, Germany
| | - Martin Möller
- DWI - Leibniz Institute for Interactive Materials, RWTH Aachen University, Aachen, 52074, Germany
| | - Smriti Singh
- DWI - Leibniz Institute for Interactive Materials, RWTH Aachen University, Aachen, 52074, Germany
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Kim HU, Choi DG, Lee H, Shim MS, Bong KW. Fabrication of dual stimuli-responsive multicompartmental drug carriers for tumor-selective drug release. LAB ON A CHIP 2018; 18:754-764. [PMID: 29387861 DOI: 10.1039/c7lc01063j] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
There has been increasing attention to the development of multi-stimuli-responsive drug carriers for precisely controlled drug release at target disease areas. In this study, pH- and redox-responsive hybrid drug carriers were fabricated by using both ketal-based acid-cleavable precursors and disulfide-based reducible precursors via stop-flow lithography. pH- and redox-sensitive drug release of the dual stimuli-responsive hybrid particles was confirmed, demonstrating their feasibility for selective and efficient drug release into tumor tissues in acidic and highly reductive environments. It was also found that the drug release rate of the particles was fine-tuned by modulating monomer compositions in the precursor. Importantly, the dual stimuli-responsive hybrid particles exhibited synergistic, controlled drug release in complex stimuli (both pH and redox stimuli) environments. To achieve tumor-selective combination chemotherapy, multicompartmental drug carriers consist of an acid-degradable compartment and a reducible compartment, which can separately encapsulate individual model drugs in each of the compartments. The multicompartmental particles exhibited independent drug release upon exposure to the corresponding stimulus. The dual stimuli-responsive, multicompartmental particles are effective drug carriers for tumor-selective release of a drug cocktail, leading to synergistic combination chemotherapy.
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Affiliation(s)
- Hyeon Ung Kim
- Department of Chemical and Biological Engineering, Korea University, Seoul 02841, Republic of Korea.
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Yan B, Li H, Jiang W, Mu L. An Adeninate-Based Metal–Organic Framework for Antitumour Drug Delivery and Anti-Osteogenic Sarcoma Activity Evolution. Aust J Chem 2018. [DOI: 10.1071/ch18287] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Targeted anticancer drug delivery systems (DDSs) have been considered as one of the most important approaches for reducing the side effects and enhancing the therapy effect in cancer treatment. This work presents a targeted anticancer DDS on the basis of a newly synthesised adeninate-based metal–organic framework (MOF) [Zn2(ad)2(AMDB)(H2O)](DMF)3 (1) with biomolecular adenine (HAd), zinc(ii) ions, and 4,4′-(aminomethylene)dibenzoic acid (H2AMDB) as the molecular building blocks. The structural analysis via X-ray diffraction technology shows MOF 1 is a channel-type three-dimensional network composed of rod-like Zn–Ad chains. Due to its large inner free spaces and uncoordinated N donor sites functionalised pore surroundings, the antitumour molecule 5-fluorouracil (5-Fu) could be loaded into the pores of 1a (activated 1) though an adsorption process, which shows a moderate high storage capacity of 32 wt-%. At the same time, the pH-dependent delivery of 5-Fu could be achieved in phosphate-buffered saline (PBS) solution. With a lower pH value, the drug release will be enhanced. Furthermore, the invitro antitumour activity of the drug/1a composite has been probed via 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay on two human osteogenic sarcoma cells (MG63 and U2OS).
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