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Shokouhi AR, Chen Y, Yoh HZ, Murayama T, Suu K, Morikawa Y, Brenker J, Alan T, Voelcker NH, Elnathan R. Electroactive nanoinjection platform for intracellular delivery and gene silencing. J Nanobiotechnology 2023; 21:273. [PMID: 37592297 PMCID: PMC10433684 DOI: 10.1186/s12951-023-02056-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Accepted: 08/07/2023] [Indexed: 08/19/2023] Open
Abstract
BACKGROUND Nanoinjection-the process of intracellular delivery using vertically configured nanostructures-is a physical route that efficiently negotiates the plasma membrane, with minimal perturbation and toxicity to the cells. Nanoinjection, as a physical membrane-disruption-mediated approach, overcomes challenges associated with conventional carrier-mediated approaches such as safety issues (with viral carriers), genotoxicity, limited packaging capacity, low levels of endosomal escape, and poor versatility for cell and cargo types. Yet, despite the implementation of nanoinjection tools and their assisted analogues in diverse cellular manipulations, there are still substantial challenges in harnessing these platforms to gain access into cell interiors with much greater precision without damaging the cell's intricate structure. Here, we propose a non-viral, low-voltage, and reusable electroactive nanoinjection (ENI) platform based on vertically configured conductive nanotubes (NTs) that allows for rapid influx of targeted biomolecular cargos into the intracellular environment, and for successful gene silencing. The localization of electric fields at the tight interface between conductive NTs and the cell membrane drastically lowers the voltage required for cargo delivery into the cells, from kilovolts (for bulk electroporation) to only ≤ 10 V; this enhances the fine control over membrane disruption and mitigates the problem of high cell mortality experienced by conventional electroporation. RESULTS Through both theoretical simulations and experiments, we demonstrate the capability of the ENI platform to locally perforate GPE-86 mouse fibroblast cells and efficiently inject a diverse range of membrane-impermeable biomolecules with efficacy of 62.5% (antibody), 55.5% (mRNA), and 51.8% (plasmid DNA), with minimal impact on cells' viability post nanoscale-EP (> 90%). We also show gene silencing through the delivery of siRNA that targets TRIOBP, yielding gene knockdown efficiency of 41.3%. CONCLUSIONS We anticipate that our non-viral and low-voltage ENI platform is set to offer a new safe path to intracellular delivery with broader selection of cargo and cell types, and will open opportunities for advanced ex vivo cell engineering and gene silencing.
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Affiliation(s)
- Ali-Reza Shokouhi
- Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, VIC, 3168, Australia
| | - Yaping Chen
- Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, VIC, 3168, Australia
| | - Hao Zhe Yoh
- Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, VIC, 3168, Australia
| | - Takahide Murayama
- Institute of Semiconductor and Electronics Technologies, ULVAC Inc, 1220-1 Suyama, Susono, Shizuoka, 410-1231, Japan
| | - Koukou Suu
- Institute of Semiconductor and Electronics Technologies, ULVAC Inc, 1220-1 Suyama, Susono, Shizuoka, 410-1231, Japan
| | - Yasuhiro Morikawa
- Institute of Semiconductor and Electronics Technologies, ULVAC Inc, 1220-1 Suyama, Susono, Shizuoka, 410-1231, Japan
| | - Jason Brenker
- Department of Mechanical and Aerospace Engineering, Monash University, Wellington Rd, Clayton, VIC, 3168, Australia
| | - Tuncay Alan
- Department of Mechanical and Aerospace Engineering, Monash University, Wellington Rd, Clayton, VIC, 3168, Australia
| | - Nicolas H Voelcker
- Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia.
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, VIC, 3168, Australia.
- INM-Leibniz Institute for New Materials, Campus D2 2, 66123, Saarbrücken, Germany.
- Department of Materials Science and Engineering, Monash University, 22 Alliance Lane, Clayton, VIC, 3168, Australia.
| | - Roey Elnathan
- Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia.
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, VIC, 3168, Australia.
- Faculty of Health, School of Medicine, Deakin University, Waurn Ponds, Melbourne, VIC, 3216, Australia.
- Institute for Frontier Materials, Deakin University, Geelong Waurn Ponds campus, Melbourne, VIC, 3216, Australia.
- The Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Deakin University, Geelong Waurn Ponds Campus, Melbourne, VIC, 3216, Australia.
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Kaur J, Gulati M, Pal Kaur I, Patravale V, Dua K, Kumar Singh S. Polymeric micelles as potent islet amyloid inhibitors: current advances and future perspectives. Drug Discov Today 2023; 28:103571. [PMID: 36990145 DOI: 10.1016/j.drudis.2023.103571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/15/2023] [Accepted: 03/22/2023] [Indexed: 03/29/2023]
Abstract
Diabetes mellitus (DM) has become one of the most prevalent diseases across the globe, mainly because of the inability of existing treatment strategies to target its root cause (i.e., pancreatic β cell damage). Polymeric micelles (PMs) have gained attention as a treatment option for DM by targeting misfolded islet amyloid polypeptide protein (IAPP), which is common in more than 90% of patients with DM patients. Such misfolding could result from either oxidative stress or mutation in the gene encoding IAPP. In this review, we discuss progress in the design of PMs to halt islet amyloidosis along with their mechanism and dynamics of interactions with IAPP. We also discuss the clinical challenges associated with the translation of PMs as anti-islet amyloidogenic agents. Teaser: Polymeric micelles are able to target misfolding of islet amyloid polypeptide protein in the pancreas owing to their amphiphilic properties and could help protect against β cell damage, thereby offering effective management of diabetes mellitus.
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Dhiraj HS, Ishizuka F, Elshaer A, Zetterlund PB, Aldabbagh F. Lactate and glucose induced self‐assembly of hydrophobic boronic acid‐substituted polymers. JOURNAL OF POLYMER SCIENCE 2023. [DOI: 10.1002/pol.20220766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Harpal S. Dhiraj
- Department of Pharmacy, School of Life Sciences, Pharmacy and Chemistry Kingston University Kingston upon Thames UK
| | - Fumi Ishizuka
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering The University of New South Wales Sydney New South Wales Australia
| | - Amr Elshaer
- Department of Pharmacy, School of Life Sciences, Pharmacy and Chemistry Kingston University Kingston upon Thames UK
| | - Per B. Zetterlund
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering The University of New South Wales Sydney New South Wales Australia
| | - Fawaz Aldabbagh
- Department of Pharmacy, School of Life Sciences, Pharmacy and Chemistry Kingston University Kingston upon Thames UK
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Dhiraj HS, Ishizuka F, Saeed M, Elshaer A, Zetterlund PB, Aldabbagh F. Lactate and glucose responsive boronic acid-substituted amphiphilic block copolymer nanoparticles of high aspect ratio. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.111819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Application of Nanoparticles: Diagnosis, Therapeutics, and Delivery of Insulin/Anti-Diabetic Drugs to Enhance the Therapeutic Efficacy of Diabetes Mellitus. LIFE (BASEL, SWITZERLAND) 2022; 12:life12122078. [PMID: 36556443 PMCID: PMC9783843 DOI: 10.3390/life12122078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 11/16/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022]
Abstract
Diabetes mellitus (DM) is a chronic metabolic disorder of carbohydrates, lipids, and proteins due to a deficiency of insulin secretion or failure to respond to insulin secreted from pancreatic cells, which leads to high blood glucose levels. DM is one of the top four noncommunicable diseases and causes of death worldwide. Even though great achievements were made in the management and treatment of DM, there are still certain limitations, mainly related to the early diagnosis, and lack of appropriate delivery of insulin and other anti-diabetic agents. Nanotechnology is an emerging field in the area of nanomedicine and NP based anti-diabetic agent delivery is reported to enhance efficacy by increasing bioavailability and target site accumulation. Moreover, theranostic NPs can be used as diagnostic tools for the early detection and prevention of diseases owing to their unique biological, physiochemical, and magnetic properties. NPs have been synthesized from a variety of organic and inorganic materials including polysaccharides, dendrimers, proteins, lipids, DNA, carbon nanotubes, quantum dots, and mesoporous materials within the nanoscale size. This review focuses on the role of NPs, derived from organic and inorganic materials, in the diagnosis and treatment of DM.
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Guliy OI, Staroverov SA, Fomin AS, Zhnichkova EG, Kozlov SV, Lovtsova LG, Dykman LA. Polymeric Micelles for Targeted Drug Delivery System. APPL BIOCHEM MICRO+ 2022. [DOI: 10.1134/s0003683822060059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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Lin FY, Huang BR, Huang CY, Chen JK. Glucose-responsive nanogate of poly(methacrylic acid) brush-glucosamine network capping on the holes of chips for controlled insulin release. J Taiwan Inst Chem Eng 2022. [DOI: 10.1016/j.jtice.2022.104592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Ye Z, Xiang Y, Monroe T, Yu S, Dong P, Xian S, Webber MJ. Polymeric Microneedle Arrays with Glucose-Sensing Dynamic-Covalent Bonding for Insulin Delivery. Biomacromolecules 2022; 23:4401-4411. [PMID: 36173091 DOI: 10.1021/acs.biomac.2c00878] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The ongoing rise in diabetes incidence necessitates improved therapeutic strategies to enable precise blood glucose control with convenient device form factors. Microneedle patches are one such device platform capable of achieving therapeutic delivery through the skin. In recent years, polymeric microneedle arrays have been reported using methods of in situ polymerization and covalent crosslinking in microneedle molds. In spite of promising results, in situ polymerization carries a risk of exposure to toxic unreacted precursors remaining in the device. Here, a polymeric microneedle patch is demonstrated that uses dynamic-covalent phenylboronic acid (PBA)-diol bonds in a dual role affording both network crosslinking and glucose sensing. By this approach, a pre-synthesized and purified polymer bearing pendant PBA motifs is combined with a multivalent diol crosslinker to prepare dynamic-covalent hydrogel networks. The ability of these dynamic hydrogels to shear-thin and self-heal enables their loading to a microneedle mold by centrifugation. Subsequent drying then yields a patch of uniformly shaped microneedles with the requisite mechanical properties to penetrate skin. Insulin release from these materials is accelerated in the presence of glucose. Moreover, short-term blood glucose control in a diabetic rat model following application of the device to the skin confirms insulin activity and bioavailability. Accordingly, dynamic-covalent crosslinking facilitates a route for fabricating microneedle arrays circumventing the toxicity concerns of in situ polymerization, offering a convenient device form factor for therapeutic insulin delivery.
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Affiliation(s)
- Zhou Ye
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556 United States
| | - Yuanhui Xiang
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556 United States
| | - Thomas Monroe
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556 United States
| | - Sihan Yu
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556 United States
| | - Ping Dong
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556 United States
| | - Sijie Xian
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556 United States
| | - Matthew J Webber
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556 United States
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Lee AW, Chang PL, Liaw SK, Lu CH, Chen JK. Inflammation-Responsive Nanovalves of Polymer-Conjugated Dextran on a Hole Array of Silicon Substrate for Controlled Antibiotic Release. Polymers (Basel) 2022; 14:polym14173611. [PMID: 36080686 PMCID: PMC9459923 DOI: 10.3390/polym14173611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/19/2022] [Accepted: 08/20/2022] [Indexed: 11/16/2022] Open
Abstract
Poly(methacrylic acid) (PMAA) brushes were tethered on a silicon surface possessing a 500-nm hole array via atom transfer radical polymerization after the modification of the halogen group. Dextran-biotin (DB) was sequentially immobilized on the PMAA chains to obtain a P(MAA-DB) brush surrounding the hole edges on the silicon surface. After loading antibiotics inside the holes, biphenyl-4,4′-diboronic acid (BDA) was used to cross-link the P(MAA-DB) chains through the formation of boronate esters to cap the hole and block the release of the antibiotics. The boronate esters were disassociated with reactive oxygen species (ROS) to open the holes and release the antibiotics, thus indicating a reversible association. The total amount of drug inside the chip was approximately 52.4 μg cm−2, which could be released at a rate of approximately 1.6 μg h−1 cm−2 at a ROS concentration of 10 nM. The P(MAA-DB) brush-modified chip was biocompatible without significant toxicity toward L929 cells during the antibiotic release. The inflammation-triggered antibiotic release system based on a subcutaneous implant chip not only exhibits excellent efficacy against bacteria but also excellent biocompatibility, recyclability, and sensitivity, which can be easily extended to other drug delivery systems for numerous biomedical applications without phagocytosis- and metabolism-related issues.
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Affiliation(s)
- Ai-Wei Lee
- Department of Anatomy and Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 106, Taiwan
- Department of Materials and Science Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Pao-Lung Chang
- Department of Anatomy and Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 106, Taiwan
| | - Shien-Kuei Liaw
- Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Chien-Hsing Lu
- Department of Obstetrics and Gynecology, Taichung Veterans General Hospital, Taichung 40705, Taiwan
- Ph.D. Program in Translational Medicine, Institute of Biomedical Sciences, Rong-Hsing Research Center for Translational Medicine, National Chung-Hsing University, Taichung 40227, Taiwan
- Correspondence: (C.-H.L.); (J.-K.C.); Tel.: +886-2-27376523 (J.-K.C.); Fax: +886-2-27376544 (J.-K.C.)
| | - Jem-Kun Chen
- Department of Materials and Science Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
- Correspondence: (C.-H.L.); (J.-K.C.); Tel.: +886-2-27376523 (J.-K.C.); Fax: +886-2-27376544 (J.-K.C.)
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10
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Kaur J, Gulati M, Zacconi F, Dureja H, Loebenberg R, Ansari MS, AlOmeir O, Alam A, Chellappan DK, Gupta G, Jha NK, Pinto TDJA, Morris A, Choonara YE, Adams J, Dua K, Singh SK. Biomedical Applications of polymeric micelles in the treatment of diabetes mellitus: Current success and future approaches. Expert Opin Drug Deliv 2022; 19:771-793. [PMID: 35695697 DOI: 10.1080/17425247.2022.2087629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Diabetes mellitus (DM) is the most common metabolic disease and multifactorial, harming patients worldwide. Extensive research has been carried out in the search for novel drug delivery systems offering reliable control of glucose levels for diabetics, aiming at efficient management of DM. AREAS COVERED Polymeric micelles (PMs) as smart drug delivery nanocarriers are discussed, focusing on oral drug delivery applications for the management of hyperglycemia. The most recent approaches used for the preparation of smart PMs employ molecular features of amphiphilic block copolymers (ABCs), such as stimulus sensitivity, ligand conjugation, and as a more specific example the ability to inhibit islet amyloidosis. EXPERT OPINION PMs provide a unique platform for self-regulated or spatiotemporal drug delivery, mimicking the working mode of pancreatic islets to maintain glucose homeostasis for prolonged periods. This unique characteristic is achieved by tailoring the functional chemistry of ABCs considering the physicochemical traits of PMs, including sensing capabilities, hydrophobicity, etc. In addition, the application of ABCs for the inhibition of conformational changes in islet amyloid polypeptide garnered attention as one of the root causes of DM. However, research in this field is limited and further studies at the clinical level are required.
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Affiliation(s)
- Jaskiran Kaur
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India
| | - Monica Gulati
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India.,Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
| | - Flavia Zacconi
- de Farmacia, Pontificia Universidad Cat´olica de ChileDepartamento de Química Org´anica, Facultad de Química y , Santiago, Chile.,Institute for Biological and Medical Engineering, Schools of Engineering, Medicine and Biological Sciences, Pontificia Universidad Cat´olica de Chile, Macul, Chile
| | - Harish Dureja
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, India
| | - Raimar Loebenberg
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta AB, Canada
| | - Md Salahuddin Ansari
- Department of Pharmacy Practice, College of Pharmacy Aldawadmi, Shaqra University Shaqra, Saudi Arabia
| | - Othman AlOmeir
- Department of Pharmacy Practice, College of Pharmacy Aldawadmi, Shaqra University Shaqra, Saudi Arabia
| | - Aftab Alam
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Kharj, KSA
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University, Bukit Jalil, Malaysia
| | - Gaurav Gupta
- Department of pharmacology, School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, India.,Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India.,Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, India
| | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering & Technology (SET), Sharda University, Greater Noida, India
| | | | - Andrew Morris
- Swansea University Medical School, Swansea University, Singleton Park, Swansea
| | - Yahya E Choonara
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, University of Witwatersrand, Johannesburg, South Africa
| | - Jon Adams
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
| | - Kamal Dua
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia.,Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, Australia
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India.,Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
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Handa M, Singh A, Flora SJS, Shukla R. Stimuli-responsive Polymeric nanosystems for therapeutic applications. Curr Pharm Des 2021; 28:910-921. [PMID: 34879797 DOI: 10.2174/1381612827666211208150210] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 10/28/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Recent past decades have reported emerging of polymeric nanoparticles as a promising technique for controlled and targeted drug delivery. As nanocarriers, they have high drug loading and delivery to the specific site or targeted cells with an advantage of no drug leakage within en route and unloading of a drug in a sustained fashion at the site. These stimuli-responsive systems are functionalized in dendrimers, metallic nanoparticles, polymeric nanoparticles, liposomal nanoparticles, quantum dots. PURPOSE OF REVIEW The authors reviewed the potential of smart stimuli-responsive carriers for therapeutic application and their behavior in external or internal stimuli like pH, temperature, redox, light, and magnet. These stimuli-responsive drug delivery systems behave differently in In vitro and In vivo drug release patterns. Stimuli-responsive nanosystems include both hydrophilic and hydrophobic systems. This review highlights the recent development of the physical properties and their application in specific drug delivery. CONCLUSION The stimuli (smart, intelligent, programmed) drug delivery systems provide site-specific drug delivery with potential therapy for cancer, neurodegenerative, lifestyle disorders. As development and innovation, the stimuli-responsive based nanocarriers are moving at a fast pace and huge demand for biocompatible and biodegradable responsive polymers for effective and safe delivery.
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Affiliation(s)
- Mayank Handa
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Raebareli, Lucknow, Uttar Pradesh 226002. India
| | - Ajit Singh
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Raebareli, Lucknow, Uttar Pradesh 226002. India
| | - S J S Flora
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Raebareli, Lucknow, Uttar Pradesh 226002. India
| | - Rahul Shukla
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Raebareli, Lucknow, Uttar Pradesh 226002. India
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13
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Zhao L, Zhang C, Abu‐Ershaid JM, Li M, Li Y, Naser Y, Dai X, Abbate MTA, Donnelly RF. Smart Responsive Microarray Patches for Transdermal Drug Delivery and Biological Monitoring. Adv Healthc Mater 2021; 10:e2100996. [PMID: 34449129 DOI: 10.1002/adhm.202100996] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 07/15/2021] [Indexed: 12/12/2022]
Abstract
Traditional drug delivery routes possess various disadvantages which make them unsuitable for certain population groups, or indeed unsuitable for drugs with certain physicochemical properties. As a result, a variety of alternative drug delivery routes have been explored in recent decades, including transdermal drug delivery. One of the most promising novel transdermal drug delivery technologies is a microarray patch (MAP), which can bypass the outermost skin barrier and deliver drugs directly into the viable epidermis and dermis. Unlike traditional MAPs which release loaded cargo simultaneously upon insertion into the skin, stimuli responsive MAPs based on biological stimuli are able to precisely release the drug in response to the need for additional doses. Thus, smart MAPs that are only responsive to certain external stimuli are highly desirable, as they provide safer and more efficient drug delivery. In addition to drug delivery, they can also be used for biological monitoring, which further expands their applications.
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Affiliation(s)
- Li Zhao
- School of Pharmacy Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
| | - Chunyang Zhang
- School of Pharmacy Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
| | | | - Mingshan Li
- School of Pharmacy Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
| | - Yaocun Li
- School of Pharmacy Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
| | - Yara Naser
- School of Pharmacy Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
| | - Xianbing Dai
- School of Pharmacy Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
| | - Marco T. A. Abbate
- School of Pharmacy Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
| | - Ryan F. Donnelly
- School of Pharmacy Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
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Li H, Zhou R, He J, Zhang M, Liu J, Sun X, Ni P. Glucose-Sensitive Core-Cross-Linked Nanoparticles Constructed with Polyphosphoester Diblock Copolymer for Controlling Insulin Delivery. Bioconjug Chem 2021; 32:2095-2107. [PMID: 34469130 DOI: 10.1021/acs.bioconjchem.1c00390] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
This work aims to construct biocompatible, biodegradable core-cross-linked and insulin-loaded nanoparticles which are sensitive to glucose and release insulin via cleavage of the nanoparticles in a high-concentration blood glucose environment. First, a polyphosphoester-based diblock copolymer (PBYP-g-Gluc)-b-PEEP was prepared via ring-opening copolymerization (ROP) and the copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) in which PBYP and PEEP represent the polymer segments from 2-(but-3-yn-1-yloxy)-2-oxo-1,3,2-dioxaphospholane and 2-ethoxy-2-oxo-1,3,2-dioxaphospholane, respectively, and Gluc comes from 2-azidoethyl-β-d-glucopyranoside (Gluc-N3) that grafted with PBYP. The structure and molecular weight of the copolymer were characterized by 1H NMR, 31P NMR, GPC, FT-IR, and UV-vis measurements. The amphiphilic copolymer could self-assemble into core-shell uncore-cross-linked nanoparticles (UCCL NPs) in aqueous solutions and form core-cross-linked nanoparticles (CCL NPs) after adding cross-linking agent adipoylamidophenylboronic acid (AAPBA). Dynamic light scattering (DLS) and transmission electron microscopy (TEM) were used to study the self-assembly behavior of the two kinds of NPs and the effect of different Gluc group contents on the size of NPs further to verify the stability and glucose sensitivity of CCL NPs. The ability of NPs to load fluorescein isothiocyanate-labeled insulin (FITC-insulin) and their glucose-triggered release behavior were detected by a fluorescence spectrophotometer. The results of methyl thiazolyl tetrazolium (MTT) assay and hemolysis activity experiments showed that the CCL NPs had good biocompatibility. An in vivo hypoglycemic study has shown that FITC-insulin-loaded CCL NPs could reduce blood glucose and have a protective effect on hypoglycemia. This research provides a new method for constructing biodegradable and glucose-sensitive core-cross-linked nanomedicine carriers for controlled insulin release.
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Affiliation(s)
- Hongping Li
- College of Chemistry, Chemical Engineering and Materials Science, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Soochow University, Suzhou 215123, P. R. China
| | - Ru Zhou
- College of Chemistry, Chemical Engineering and Materials Science, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Soochow University, Suzhou 215123, P. R. China
| | - Jinlin He
- College of Chemistry, Chemical Engineering and Materials Science, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Soochow University, Suzhou 215123, P. R. China
| | - Mingzu Zhang
- College of Chemistry, Chemical Engineering and Materials Science, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Soochow University, Suzhou 215123, P. R. China
| | - Jian Liu
- Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou 215123, P. R. China
| | - Xingwei Sun
- Intervention Department, The Second Affiliated Hospital of Soochow University, Suzhou 215004, P. R. China
| | - Peihong Ni
- College of Chemistry, Chemical Engineering and Materials Science, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Soochow University, Suzhou 215123, P. R. China
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15
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Dey GR, Saha A. Surface Engineered PLGA Nanoparticle for Threshold Responsive Glucose Monitoring and "Self-Programmed" Insulin Delivery. ACS Biomater Sci Eng 2021; 7:4645-4658. [PMID: 34424676 DOI: 10.1021/acsbiomaterials.1c00830] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
We have developed a reversible, biocompatible, "self-programmed" PLGA [poly(lactic-co-glycolic acid)] nanoparticle-based optical biosensor capable of sensing and continuous monitoring of glucose above the physiologically relevant threshold value (100-125 mg/dL) as well as "on-demand" insulin delivery via an "On-Off" technique. We have carefully surface engineered the PLGA nanoparticle using amino dextran-fluorescein (A-DexFl) and amino-phenyl boronic acid (A-PBA) to exploit the binding affinity of boronic acids with that of cis-1,2 diols of dextran/glucose. Initially, the dextran chains wrap the nanoparticle surface due to its high affinity toward A-PBA (Kb = 6.1 × 106 M-1). The close proximity of the fluorophores with that of A-PBA quenches the fluorescence, resulting in an "Off" state. On the addition of glucose, it competes with A-DexFl to bind with A-PBA. Above a certain threshold concentration of glucose, the binding affinity overcomes (Kb = 6.3 × 107 M-1) the dextran-A-PBA binding. This opens-up the wrapped A-DexFl chains from the nanoparticle surface and results in an increased distance between the fluorophore and A-PBA, triggering the "On" state. The activation of the On-Off state can be finely tuned in the desired range of physiologically relevant glucose concentrations by varying the ligand ratios on the PLGA surface. The nanoparticle core has also been used as an insulin reservoir to trigger the drug release in the "On" state. We have obtained ∼53% encapsulation efficiency and ∼20% loading efficiency for insulin loading. Once the glucose concentration falls beyond the detection range, the dextran chains collapse on the nanoparticle surface with a suspension in drug release. The process is solely controlled by the competition and multivalent binding affinity between glucose, A-DexFl, and A-PBA, which allows it to be "self-programmed" and "self-regulated" with continuous monitoring up to 8-10 cycles over a 72 h time period. A sustained drug release has been found with ∼70% of released drug over a period of 72 h, although this release is insignificant in the absence of glucose. Several control experiments have been performed to optimize the sensor design.
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Affiliation(s)
- Gaurav Ranjan Dey
- Functional Materials and Devices Division, CSIR-Central Glass and Ceramic Research Institute, Kolkata 700032, India
| | - Arindam Saha
- Functional Materials and Devices Division, CSIR-Central Glass and Ceramic Research Institute, Kolkata 700032, India
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16
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Zhou D, Li S, Fei Z, Zhou P, Zhao Y, Zhi L, Li C, Peng X, Liu X, Zhao C. Glucose and pH Dual-Responsive Polymersomes with Multilevel Self-Regulation of Blood Glucose for Insulin Delivery. Biomacromolecules 2021; 22:3971-3979. [PMID: 34423981 DOI: 10.1021/acs.biomac.1c00772] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Smart insulin delivery systems now play essential roles in diabetes treatment, whereas most existing systems suffer from insufficient regulation against blood glucose. Here, a glucose and pH dual-responsive insulin delivery system with multilevel self-regulation of blood glucose was constructed. Photocross-linked dual-responsive polymersomes were prepared by the self-assembly of the diblock copolymer methoxyl poly(ethylene glycol)-b-poly[3-acrylamidophenylboronic acid-co-2-(diethylamino)ethyl methacrylate-co-2-hydroxy-4-(methacryloyloxy)benzophenone] (mPEG-b-P(AAPBA-co-DEAEMA-co-BMA)) synthesized by reversible addition-fragmentation chain transfer polymerization (RAFT), where insulin and glucose oxidase (GOx) were co-encapsulated inside. It is worth noting that the polymersomes with tunable membrane permeability are the first glucose-responsive platform consisting of both PBA and GOx. According to the pH change produced by gluconic acid, the pH-sensitive monomer DEAEMA endowed the polymersome membrane with multilevelly tunable and self-regulative permeability, further controlling the release behavior of insulin. This multilevel tunability was reflected directly in in vitro insulin release tests and was proven by the self-regulation of blood glucose in vivo. Promisingly, the polymersomes have great potential to be applied for the self-regulation of blood glucose in the treatment of diabetes.
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Affiliation(s)
- Dongxu Zhou
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Siyu Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Zhixiong Fei
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Peng Zhou
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Yaqi Zhao
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Lunhao Zhi
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Chenxi Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Xu Peng
- Experimental Animal Center of Sichuan University, Chengdu 610207, China
| | - Xiaoling Liu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Changsheng Zhao
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.,College of Biomedical Engineering, National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
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17
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Zhang T, Tang JZ, Fei X, Li Y, Song Y, Qian Z, Peng Q. Can nanoparticles and nano‒protein interactions bring a bright future for insulin delivery? Acta Pharm Sin B 2021; 11:651-667. [PMID: 33777673 PMCID: PMC7982494 DOI: 10.1016/j.apsb.2020.08.016] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 07/09/2020] [Accepted: 08/03/2020] [Indexed: 02/05/2023] Open
Abstract
Insulin therapy plays an essential role in the treatment of diabetes mellitus. However, frequent injections required to effectively control the glycemic levels lead to substantial inconvenience and low patient compliance. In order to improve insulin delivery, many efforts have been made, such as developing the nanoparticles (NPs)-based release systems and oral insulin. Although some improvements have been achieved, the ultimate results are still unsatisfying and none of insulin-loaded NPs systems have been approved for clinical use so far. Recently, nano‒protein interactions and protein corona formation have drawn much attention due to their negative influence on the in vivo fate of NPs systems. As the other side of a coin, such interactions can also be used for constructing advanced drug delivery systems. Herein, we aim to provide an insight into the advance and flaws of various NPs-based insulin delivery systems. Particularly, an interesting discussion on nano‒protein interactions and its potentials for developing novel insulin delivery systems is initiated. Insulin therapy plays essential roles in treating diabetes. Optimizing insulin delivery enhances insulin therapy. Nanoparticles are promising systems for delivery of insulin. Nano-protein interactions influence the delivery of nanoparticles. Nano-protein interactions can be used for advanced delivery of insulin.
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Affiliation(s)
- Ting Zhang
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu 610041, China
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - James Zhenggui Tang
- Research Institute in Healthcare Science, Faculty of Science and Engineering, School of Pharmacy, University of Wolverhampton, Wolverhampton, WV1 1LY, UK
| | - Xiaofan Fei
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yanping Li
- Laboratory of Clinical Pharmacy and Adverse Drug Reaction, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Yi Song
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Zhiyong Qian
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center, Chengdu 610041, China
| | - Qiang Peng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Corresponding author.
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18
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Ma Q, Zhao X, Shi A, Wu J. Bioresponsive Functional Phenylboronic Acid-Based Delivery System as an Emerging Platform for Diabetic Therapy. Int J Nanomedicine 2021; 16:297-314. [PMID: 33488074 PMCID: PMC7816047 DOI: 10.2147/ijn.s284357] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 12/11/2020] [Indexed: 12/30/2022] Open
Abstract
The glucose-sensitive self-adjusting drug delivery system simulates the physiological model of the human pancreas-secreting insulin and then precisely regulates the release of hypoglycemic drugs and controls the blood sugar. Thus, it has good application prospects in the treatment of diabetes. Presently, there are three glucose-sensitive drug systems: phenylboronic acid (PBA) and its derivatives, concanavalin A (Con A), and glucose oxidase (GOD). Among these, the glucose-sensitive polymer carrier based on PBA has the advantages of better stability, long-term storage, and reversible glucose response, and the loading of insulin in it can achieve the controlled release of drugs in the human environment. Therefore, it has become a research hotspot in recent years and has been developed very rapidly. In order to further carry out a follow-up study, we focused on the development process, performance, and application of PBA and its derivatives-based glucose-sensitive polymer drug carriers, and the prospects for the development of this field.
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Affiliation(s)
- Qiong Ma
- The Key Laboratory of Microcosmic Syndrome Differentiation, Education Department of Yunnan, Yunnan University of Chinese Medicine, Kunming, Yunnan650500, People’s Republic of China
| | - Xi Zhao
- The Key Laboratory of Microcosmic Syndrome Differentiation, Education Department of Yunnan, Yunnan University of Chinese Medicine, Kunming, Yunnan650500, People’s Republic of China
| | - Anhua Shi
- The Key Laboratory of Microcosmic Syndrome Differentiation, Education Department of Yunnan, Yunnan University of Chinese Medicine, Kunming, Yunnan650500, People’s Republic of China
| | - Junzi Wu
- The Key Laboratory of Microcosmic Syndrome Differentiation, Education Department of Yunnan, Yunnan University of Chinese Medicine, Kunming, Yunnan650500, People’s Republic of China
- Department of Medical Biology, College of Basic Medicine, Yunnan University of Chinese Medicine, Kunming, Yunnan650500, People’s Republic of China
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19
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Morey M, Srivastava A, Pandit A. Glucose-Responsive Gene Delivery at Physiological pH through Tertiary-Amine Stabilized Boronate-PVA Particles Synthesized by One-Pot Reaction. Pharmaceutics 2021; 13:pharmaceutics13010062. [PMID: 33418878 PMCID: PMC7825127 DOI: 10.3390/pharmaceutics13010062] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/28/2020] [Accepted: 01/02/2021] [Indexed: 01/12/2023] Open
Abstract
We report a physiologically stable and cytocompatible glucose-responsive nonviral gene delivery system made up of boronate functionalized polymeric material. Herein, we utilize boronate cis-diol interactions to develop a glucose-responsive submicron particle (SMP) system. The stability of the boronate interaction at a physiological pH was achieved by copolymerization of dimethyl aminoethyl methacrylate (DMAEMA) with acrylamidophenylboronic acid (AAPBA) and the formation of a complex with polyvinylalcohol (PVA) which is governed by cis-diol interactions. The shift in hydrodynamic diameter of SMPs was observed and correlated with increasing glucose concentrations at a physiological pH. Optimal transfection was observed for a 5 µg dose of the gaussia luciferase reporter gene in NIH3T3 cells without any adverse effect on cellular viability. The destabilization of the AAPBA–PVA complex by interacting with glucose allowed the release of encapsulated bovine serum albumin (BSA) in a glucose-responsive manner. In total, 95% of BSA was released from SMPs at a 50 mM glucose concentration after 72 h. A two-fold increase in transfection was observed in 50 mM glucose compared to that of 10 mM glucose.
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20
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Chemoresponsive polymer systems for selective molecular recognition of organic molecules in biological systems. Acta Biomater 2020; 116:32-66. [PMID: 32877717 DOI: 10.1016/j.actbio.2020.08.039] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 07/29/2020] [Accepted: 08/24/2020] [Indexed: 12/20/2022]
Abstract
Smart polymer materials that respond to a chemical stimulus are applied for the construction of biomedical devices and purification/separation systems. Small organic molecules are a particular type of stimulus. Their abnormal concentration indisputably indicates certain diseases. They are also hazardous environment contaminants. Polymer materials, which structure is selectively changed in the presence of a defined organic compound are promising in view of regulation of certain biomedical functions, as well as in view of chemical detectors construction. This review summarizes the state of the art in the self-assemblies of amphiphilic copolymers and polymer networks sensitive toward organic species, with an emphasis on the reports from the last decade. We focus on the relationship between the selectivity of introduced receptor moieties responsible for the change of material structure, the overall structure of material and its functionality.
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21
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Tong R, Yu H, Wang L. Glucose‐ Responsive Actuators Based on Bigel Strip from Host‐Guest Assembly Between a β‐Cyclodextrin‐Based Host Gel and a Ferrocene‐Based Guest Gel. ChemistrySelect 2020. [DOI: 10.1002/slct.202000640] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Rongbai Tong
- State Key Laboratory of Chemical EngineeringCollege of Chemical and Biological EngineeringZhejiang University Hangzhou 310027 People's Republic of China
- Hangzhou First Applied Material co., LTD No.1235 Dayuan Road, Qingshan, Lin'an Hangzhou 311305 People's Republic of China
| | - Haojie Yu
- State Key Laboratory of Chemical EngineeringCollege of Chemical and Biological EngineeringZhejiang University Hangzhou 310027 People's Republic of China
| | - Li Wang
- State Key Laboratory of Chemical EngineeringCollege of Chemical and Biological EngineeringZhejiang University Hangzhou 310027 People's Republic of China
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22
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Yao Y, Wu JH, Cao SJ, Xu BY, Yan JT, Wu D, Li W, Zhang A. Thermoresponsive Nanogels from Dendronized Copolymers for Complexation, Protection and Release of Nucleic Acids. CHINESE JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1007/s10118-020-2452-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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23
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Abdi F, Michel R, Poirot R, Dakir M, Sancey L, Ravaine V, Auzély‐Velty R. Dynamic Covalent Chemistry Enables Reconfigurable All‐Polysaccharide Nanogels. Macromol Rapid Commun 2020; 41:e2000213. [DOI: 10.1002/marc.202000213] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 06/15/2020] [Indexed: 11/06/2022]
Affiliation(s)
- Fatma Abdi
- Univ. Grenoble Alpes(CERMAV)‐CNRS 601 rue de la Chimie, BP 53 Grenoble Cedex 9 38041 France
| | - Raphaël Michel
- Univ. Grenoble Alpes(CERMAV)‐CNRS 601 rue de la Chimie, BP 53 Grenoble Cedex 9 38041 France
| | - Robin Poirot
- Univ. Grenoble Alpes(CERMAV)‐CNRS 601 rue de la Chimie, BP 53 Grenoble Cedex 9 38041 France
| | - Malika Dakir
- Univ. Grenoble AlpesInsitute for Advanced Biosciences INSERM U1209/CNRS UMR5309 La Tronche 38700 France
| | - Lucie Sancey
- Univ. Grenoble AlpesInsitute for Advanced Biosciences INSERM U1209/CNRS UMR5309 La Tronche 38700 France
| | - Valérie Ravaine
- ISM CNRS UMR 5255, Univ. Bordeaux, Bordeaux INP, Site ENSCBP 16 Avenue Pey Berland Pessac Cedex 33607 France
| | - Rachel Auzély‐Velty
- Univ. Grenoble Alpes(CERMAV)‐CNRS 601 rue de la Chimie, BP 53 Grenoble Cedex 9 38041 France
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24
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Primavera R, Kevadiya BD, Swaminathan G, Wilson RJ, De Pascale A, Decuzzi P, Thakor AS. Emerging Nano- and Micro-Technologies Used in the Treatment of Type-1 Diabetes. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E789. [PMID: 32325974 PMCID: PMC7221526 DOI: 10.3390/nano10040789] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 04/07/2020] [Accepted: 04/14/2020] [Indexed: 02/06/2023]
Abstract
Type-1 diabetes is characterized by high blood glucose levels due to a failure of insulin secretion from beta cells within pancreatic islets. Current treatment strategies consist of multiple, daily injections of insulin or transplantation of either the whole pancreas or isolated pancreatic islets. While there are different forms of insulin with tunable pharmacokinetics (fast, intermediate, and long-acting), improper dosing continues to be a major limitation often leading to complications resulting from hyper- or hypo-glycemia. Glucose-responsive insulin delivery systems, consisting of a glucose sensor connected to an insulin infusion pump, have improved dosing but they still suffer from inaccurate feedback, biofouling and poor patient compliance. Islet transplantation is a promising strategy but requires multiple donors per patient and post-transplantation islet survival is impaired by inflammation and suboptimal revascularization. This review discusses how nano- and micro-technologies, as well as tissue engineering approaches, can overcome many of these challenges and help contribute to an artificial pancreas-like system.
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Affiliation(s)
- Rosita Primavera
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, Stanford University, Palo Alto, CA 94304, USA; (R.P.); (B.D.K.); (G.S.); (R.J.W.)
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, 16163 Genoa, Italy
| | - Bhavesh D Kevadiya
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, Stanford University, Palo Alto, CA 94304, USA; (R.P.); (B.D.K.); (G.S.); (R.J.W.)
| | - Ganesh Swaminathan
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, Stanford University, Palo Alto, CA 94304, USA; (R.P.); (B.D.K.); (G.S.); (R.J.W.)
| | - Rudilyn Joyce Wilson
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, Stanford University, Palo Alto, CA 94304, USA; (R.P.); (B.D.K.); (G.S.); (R.J.W.)
| | - Angelo De Pascale
- Unit of Endocrinology, Department of Internal Medicine & Medical Specialist (DIMI), University of Genoa, 16163 Genoa, Italy;
| | - Paolo Decuzzi
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, 16163 Genoa, Italy
| | - Avnesh S Thakor
- Interventional Regenerative Medicine and Imaging Laboratory, Department of Radiology, Stanford University, Palo Alto, CA 94304, USA; (R.P.); (B.D.K.); (G.S.); (R.J.W.)
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25
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Wang J, Wang Z, Yu J, Kahkoska AR, Buse JB, Gu Z. Glucose-Responsive Insulin and Delivery Systems: Innovation and Translation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1902004. [PMID: 31423670 PMCID: PMC7141789 DOI: 10.1002/adma.201902004] [Citation(s) in RCA: 109] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 06/09/2019] [Indexed: 05/18/2023]
Abstract
Type 1 and advanced type 2 diabetes treatment involves daily injections or continuous infusion of exogenous insulin aimed at regulating blood glucose levels in the normoglycemic range. However, current options for insulin therapy are limited by the risk of hypoglycemia and are associated with suboptimal glycemic control outcomes. Therefore, a range of glucose-responsive components that can undergo changes in conformation or show alterations in intermolecular binding capability in response to glucose stimulation has been studied for ultimate integration into closed-loop insulin delivery or "smart insulin" systems. Here, an overview of the evolution and recent progress in the development of molecular approaches for glucose-responsive insulin delivery systems, a rapidly growing subfield of precision medicine, is presented. Three central glucose-responsive moieties, including glucose oxidase, phenylboronic acid, and glucose-binding molecules are examined in detail. Future opportunities and challenges regarding translation are also discussed.
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Affiliation(s)
- Jinqiang Wang
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, USA
| | - Zejun Wang
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, USA
| | | | - Anna R. Kahkoska
- Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, NC 27599, USA
| | - John B. Buse
- Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, NC 27599, USA
| | - Zhen Gu
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, USA
- Zenomics Inc., Durham, NC 27709, USA
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA 90095, USA
- Center for Minimally Invasive Therapeutics, University of California, Los Angeles, CA 90095, USA
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26
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Li H, He J, Zhang M, Liu J, Ni P. Glucose-Sensitive Polyphosphoester Diblock Copolymer for an Insulin Delivery System. ACS Biomater Sci Eng 2020; 6:1553-1564. [DOI: 10.1021/acsbiomaterials.9b01817] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Hongping Li
- College of Chemistry, Chemical Engineering and Materials Science, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Soochow University, Suzhou 215123, P. R. China
| | - Jinlin He
- College of Chemistry, Chemical Engineering and Materials Science, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Soochow University, Suzhou 215123, P. R. China
| | - Mingzu Zhang
- College of Chemistry, Chemical Engineering and Materials Science, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Soochow University, Suzhou 215123, P. R. China
| | - Jian Liu
- Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou 215123, P. R. China
| | - Peihong Ni
- College of Chemistry, Chemical Engineering and Materials Science, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Soochow University, Suzhou 215123, P. R. China
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27
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Sergeeva TY, Mukhitova RK, Nizameev IR, Kadirov MK, Sapunova AS, Voloshina AD, Mukhametzyanov TA, Ziganshina AY, Antipin IS. A Glucose-Responsive Polymer Nanocarrier Based on Sulfonated Resorcinarene for Controlled Insulin Delivery. Chempluschem 2020; 84:1560-1566. [PMID: 31943934 DOI: 10.1002/cplu.201900428] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 09/18/2019] [Indexed: 01/01/2023]
Abstract
A nanocarrier (p(6SRA-5B)) for glucose-controlled insulin delivery consists of sulfonated resorcinarenes (SRA) that are assembled into a spherical shell and are attached to each other with phenylboronate linkers. p(6SRA-5B) is stable in water and blood plasma at normal glucose concentrations. At high glucose levels (>5 mM), p(6SRA-5B) dissociates into SRA and phenylboronates through competitive interaction with excess glucose. Insulin was successfully encapsulated into the cavity of p(6SRA-5B) and its release was investigated in water and blood plasma by NMR, UV, CD, and fluorescence spectroscopy. The results show that the dissociation of the nanocarrier and the insulin release occurs with an increase in glucose concentration. At 5 mM glucose, the nanocarrier is stable, and the insulin release does not exceed 10 %. Increasing the glucose concentration to 7.5-10 mM results in a 40-100 % insulin release. p(6SRA-5B) is thus a promising insulin nanocarrier for the treatment of type 1 diabetes.
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Affiliation(s)
- Tatiana Yu Sergeeva
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, Arbuzov str. 8, Kazan, 420088, Russia
| | - Rezeda K Mukhitova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, Arbuzov str. 8, Kazan, 420088, Russia
| | - Irek R Nizameev
- Kazan National Research Technical University named after A.N. Tupolev - KAI, K. Marx str. 10, Kazan, 420111, Russia
| | - Marsil K Kadirov
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, Arbuzov str. 8, Kazan, 420088, Russia
| | - Anastasia S Sapunova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, Arbuzov str. 8, Kazan, 420088, Russia
| | - Alexandra D Voloshina
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, Arbuzov str. 8, Kazan, 420088, Russia
| | - Timur A Mukhametzyanov
- A. M. Butlerov Institute of Chemistry, Kazan Federal University, Kremlevskaya str. 18, Kazan, 420008, Russia
| | - Albina Y Ziganshina
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, Arbuzov str. 8, Kazan, 420088, Russia
| | - Igor S Antipin
- A. M. Butlerov Institute of Chemistry, Kazan Federal University, Kremlevskaya str. 18, Kazan, 420008, Russia
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28
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Wu JZ, Yang Y, Li S, Shi A, Song B, Niu S, Chen W, Yao Z. Glucose-Sensitive Nanoparticles Based On Poly(3-Acrylamidophenylboronic Acid-Block-N-Vinylcaprolactam) For Insulin Delivery. Int J Nanomedicine 2019; 14:8059-8072. [PMID: 31632018 PMCID: PMC6781948 DOI: 10.2147/ijn.s220936] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 09/11/2019] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Compared with random copolymers, block copolymerization is easier to prepare for nanoparticles with core-shell structure, and they will have better glucose sensitivity and higher insulin loading. PURPOSE In our study, insulin-loaded poly (3-acrylamidophenylboronic acid-block-N-vinyl caprolactam) p(AAPBA-b-NVCL) nanoparticles were successfully prepared and were glucose-sensitive, which could effectively lower the blood sugar levels within 72 hrs. METHODS The polymer of p(AAPBA-b-NVCL) was produced by reversible addition-fragmentation chain transfer polymerization based on different ratios of 3-acrylamidophenylboronic acid (AAPBA) and N-vinylcaprolactam (NVCL), and its structure was discussed by Fourier transform infrared spectroscopy and 1H-nuclear magnetic resonance . Next, the polymer was manufactured into the nanoparticles, and the characteristics of nanoparticles were detected by dynamic light scattering, lower critical solution temperature, and transmission electron microscopy. After that, the cell and animal toxicity of nanoparticles were also investigated. RESULTS The results demonstrated that p(AAPBA-b-NVCL) was successfully synthesized, and can be easily self-assembled to form nanoparticles. The new nanoparticles included monodisperse submicron particles, with the size of the nanoparticle ranged between 150 and 300nm and are glucose- and temperature-sensitive. Meanwhile, insulin can be easily loaded by p(AAPBA-b-NVCL) nanoparticles and an effective sustained release of insulin was observed when the nanoparticles were placed in physiological saline. Besides, MTT assay revealed that cell viability was more than 80%, and mice demonstrated no negative impact on blood biochemistry and heart, liver, spleen, lung, and kidney after intraperitoneal injection of 10 mg/kg/d of nanoparticles. This suggested that the nanoparticles were low-toxic to both cells and animals. Moreover, they could lower the blood sugar level within 72h. CONCLUSION Our research suggested that these p(AAPBA-b-NVCL) nanoparticles might have the potential to be applied in a delivery system for insulin or other hypoglycemic proteins.
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Affiliation(s)
- Jun-zi Wu
- Yunnan Provincial Key Laboratory of Molecular Biology for Sinomedicine, School of Basic Medical, Yunnan University of Chinese Medicine, Kunming, Yunnan650500, People’s Republic of China
| | - Yuqing Yang
- Yunnan Provincial Key Laboratory of Molecular Biology for Sinomedicine, School of Basic Medical, Yunnan University of Chinese Medicine, Kunming, Yunnan650500, People’s Republic of China
| | - Shude Li
- Department of Biochemistry and Molecular Biology, College of Basic Medicine, Kunming Medical University, Kunming, Yunnan650500, People’s Republic of China
| | - Anhua Shi
- Yunnan Provincial Key Laboratory of Molecular Biology for Sinomedicine, School of Basic Medical, Yunnan University of Chinese Medicine, Kunming, Yunnan650500, People’s Republic of China
| | - Bo Song
- Yunnan Provincial Key Laboratory of Molecular Biology for Sinomedicine, School of Basic Medical, Yunnan University of Chinese Medicine, Kunming, Yunnan650500, People’s Republic of China
| | - Shiwei Niu
- Department of Biotechnology, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai201620, People’s Republic of China
| | - WenHui Chen
- Yunnan Provincial Key Laboratory of Molecular Biology for Sinomedicine, School of Basic Medical, Yunnan University of Chinese Medicine, Kunming, Yunnan650500, People’s Republic of China
| | - Zheng Yao
- Yunnan Provincial Key Laboratory of Molecular Biology for Sinomedicine, School of Basic Medical, Yunnan University of Chinese Medicine, Kunming, Yunnan650500, People’s Republic of China
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The evaluation of molecular weight of polymers with the terminated boron dipyrromethene using end-group analysis. CHEMICAL PAPERS 2019. [DOI: 10.1007/s11696-019-00687-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Xu C, Lei C, Yu C. Mesoporous Silica Nanoparticles for Protein Protection and Delivery. Front Chem 2019; 7:290. [PMID: 31119124 PMCID: PMC6504683 DOI: 10.3389/fchem.2019.00290] [Citation(s) in RCA: 128] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 04/09/2019] [Indexed: 01/29/2023] Open
Abstract
Therapeutic proteins are widely used in clinic for numerous therapies such as cancer therapy, immune therapy, diabetes management and infectious diseases control. The low stability and large size of proteins generally compromise their therapeutic effects. Thus, it is a big challenge to deliver active forms of proteins into targeted place in a controlled manner. Nanoparticle based delivery systems offer a promising method to address the challenges. In particular, mesoporous silica nanoparticles (MSNs) are of special interest for protein delivery due to their excellent biocompatibility, high stability, rigid framework, well-defined pore structure, easily controllable morphology and tuneable surface chemistry. Therefore, enhanced stability, improved activity, responsive release, and intracellular delivery of proteins have been achieved using MSNs as delivery vehicles. Here, we systematically review the effects of various structural parameters of MSNs on protein loading, protection, and delivery performance. We also highlight the status of the most recent progress using MSNs for intracellular delivery, extracellular delivery, antibacterial proteins delivery, enzyme mobilization, and catalysis.
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Affiliation(s)
- Chun Xu
- School of Dentistry, The University of Queensland, Brisbane, QLD, Australia
| | - Chang Lei
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, Australia
| | - Chengzhong Yu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, Australia
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Paolini MS, Fenton OS, Bhattacharya C, Andresen JL, Langer R. Polymers for extended-release administration. Biomed Microdevices 2019; 21:45. [DOI: 10.1007/s10544-019-0386-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Gaballa H, Theato P. Glucose-Responsive Polymeric Micelles via Boronic Acid–Diol Complexation for Insulin Delivery at Neutral pH. Biomacromolecules 2019; 20:871-881. [DOI: 10.1021/acs.biomac.8b01508] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Heba Gaballa
- Institute for Technical and Macromolecular Chemistry, University of Hamburg, Bundesstrasse 45, D-20146 Hamburg, Germany
| | - Patrick Theato
- Institute for Technical and Macromolecular Chemistry, University of Hamburg, Bundesstrasse 45, D-20146 Hamburg, Germany
- Institute for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology (KIT), Engesser Strasse. 18, D-76131 Karlsruhe, Germany
- Soft Matter Synthesis Laboratory, Institute for Biological Interfaces III, Karlsruhe Institute of Technology (KIT), Herrmann-von-Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen, Germany
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Lu X, Li Y, Feng W, Guan S, Guo P. Self-healing hydroxypropyl guar gum/poly (acrylamide-co-3-acrylamidophenyl boronic acid) composite hydrogels with yield phenomenon based on dynamic PBA ester bonds and H-bond. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2018.10.071] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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An Intelligent Nanoscale Insulin Delivery System. Molecules 2018; 23:molecules23112945. [PMID: 30423891 PMCID: PMC6278487 DOI: 10.3390/molecules23112945] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 11/02/2018] [Accepted: 11/09/2018] [Indexed: 01/31/2023] Open
Abstract
Insulin injection relies on strict blood glucose monitoring. However, existing techniques and algorithms for blood glucose monitoring cannot be completed in a timely way. In this study, we have developed a new intelligent glucose-sensitive insulin delivery system to stabilize blood glucose levels in the body. This system does not require real-time detection of blood glucose. First, we successfully synthesized a nanoscale material called PAM-PAspPBA-b-PEG by using chemical methods. We then conducted TEM, DLS, and 1H-NMR analyses to characterize the physicochemical properties, such as size, molecular composition, and configuration of the nanomaterial. We verified the glucose responsibility of the insulin loading nanoscale material in vitro and evaluated its safety and effect on mice in vivo. Results showed that insulin-loaded PAM-PAspPBA-b-PEG is glucose-sensitive, safer and more effective than regular insulin injection. This study provides a basis for future development of smart insulin delivery systems.
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Ding W, Wu D, Kameta N, Wei Q, Kogiso M. Moisture-responsive supramolecular nanotubes. NANOSCALE 2018; 10:20321-20328. [PMID: 30375630 DOI: 10.1039/c8nr05748f] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Living organisms have evolved functional structures for seeds dispersal in response to humidity changes. In this study, we construct moisture-responsive nanotubes by the supramolecular coordination of a peptide lipid with metal ions for potential applications in material delivery systems. These hydrophilic nanotubes can uptake atmospheric moisture and the water molecules are associated with unsaturated metal centers of the bis(lipid)-metal(ii) complex, thereby changing the molecular packing and inducing morphological transformation from nanotubes to sheets. The moisture responsivity of nanotubes depends on the hydration behavior of the metal ions. Co(ii)-coordinated nanotube shows higher moisture responsivity than that of the Zn(ii)-coordinated one since Co(ii) ion has stronger association with water molecules. These two nanotubes are self-assembled by the same molecular packings; however, they show different mechanisms in morphological changes. The Co(ii)-coordinated nanotube transforms into a sheet accompanied with the destruction of the complex and reverse molecular packing, whereas Zn(ii)-coordinated nanotube transforms into a sheet with a change in the complex geometry. Further, the Co(ii)-coordinated nanotubes exhibit reversible morphological changes between nanotubes and sheets, while Zn(ii)-coordinated nanotubes exhibit a one-way morphological change. These nanotubes also show potential applications in the release of fragrance oil under high humidity environments.
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Affiliation(s)
- Wuxiao Ding
- Nanomaterials Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan.
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Li C, Huang F, Liu Y, Lv J, Wu G, Liu Y, Ma R, An Y, Shi L. Nitrilotriacetic Acid-Functionalized Glucose-Responsive Complex Micelles for the Efficient Encapsulation and Self-Regulated Release of Insulin. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:12116-12125. [PMID: 30212220 DOI: 10.1021/acs.langmuir.8b02574] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Insulin plays a significant role in diabetes treatment. Although a huge number of insulin-loaded, glucose-responsive nanocarriers have been developed in past decades, most of them showed a lower loading capacity and efficiency due to the weak interaction between insulin and nanocarriers. In this work, a novel insulin-encapsulated glucose-responsive polymeric complex micelle (CM) is devised, showing (i) enhanced insulin-loading efficiency owing to the zinc ions' chelation by nitrilotriacetic acid (NTA) groups of NTA-functioned glycopolymer and the histidine imidazole of insulin, (ii) the glucose-triggered pulse release of insulin, and (iii) long stability under physiological conditions. This CM was fabricated by the self-assembly of block copolymer PEG- b-P(Asp- co-AspPBA) and glycopolymer P(Asp- co-AspGA- co-AspNTA), resulting in complex micelles with a PEG shell and a cross-linked core composed of phenylboronic acid (PBA)/glucose complexations. Notably, the modified nitrilotriacetic acid (NTA) groups of CM could specifically bind insulin via chelated zinc ions, thus enhancing the loading efficacy of insulin compared to that of nonmodified CM. The dynamic PBA/glucose complexation core of CM dissociates under the trigger of high glucose concentration (>2 g/L) while being quite stable in low glucose concentrations (<2 g/L), as demonstrated by the pulse release of insulin in vitro. Finally, in a murine model of type 1 diabetes, NTA-modified complex micelles loading an insulin (NTA-CM-INS) group exhibited a long hypoglycemic effect which is superior to that of free insulin in the PBS (PBS-INS) group and insulin-loaded complex micelles without an NTA modification (CM-INS) group. This long-term effect benefited from Zn(II) chelation by NTA-modified complex micelles and could avoid hypoglycemia caused by the burst release of insulin. Taken together, this constitutes a highly effective way to encapsulate insulin and release insulin via an on-demand manner for blood glucose control in diabetes.
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Affiliation(s)
| | - Fan Huang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine , Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College , Tianjin 300192 , China
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Mohsin MA, Haik Y, Abdulrehman T. Glucose-Mediated Insulin Release Carrier. POLYMER SCIENCE SERIES A 2018. [DOI: 10.1134/s0965545x18050097] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Zhao L, Xiao C, Wang L, Gai G, Ding J. Glucose-sensitive polymer nanoparticles for self-regulated drug delivery. Chem Commun (Camb) 2018; 52:7633-52. [PMID: 27194104 DOI: 10.1039/c6cc02202b] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Glucose-sensitive drug delivery systems, which can continuously and automatically regulate drug release based on the concentration of glucose, have attracted much interest in recent years. Self-regulated drug delivery platforms have potential application in diabetes treatment to reduce the intervention and improve the quality of life for patients. At present, there are three types of glucose-sensitive drug delivery systems based on glucose oxidase (GOD), concanavalin A (Con A), and phenylboronic acid (PBA) respectively. This review covers the recent advances in GOD-, Con A-, or PBA-mediated glucose-sensitive nanoscale drug delivery systems, and provides their major challenges and opportunities.
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Affiliation(s)
- Li Zhao
- Laboratory of Building Energy-Saving Technology Engineering, College of Material Science and Engineering, Jilin Jianzhu University, Changchun 130118, P. R. China
| | - Chunsheng Xiao
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China.
| | - Liyan Wang
- Laboratory of Building Energy-Saving Technology Engineering, College of Material Science and Engineering, Jilin Jianzhu University, Changchun 130118, P. R. China
| | - Guangqing Gai
- Laboratory of Building Energy-Saving Technology Engineering, College of Material Science and Engineering, Jilin Jianzhu University, Changchun 130118, P. R. China
| | - Jianxun Ding
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China.
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Zheng CX, Zhao Y, Liu Y. Recent Advances in Self-assembled Nano-therapeutics. CHINESE JOURNAL OF POLYMER SCIENCE 2017. [DOI: 10.1007/s10118-018-2078-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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40
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Wang X, Jiang X, Zhu S, Liu L, Xia J, Li L. Preparation of optical functional composite films and their application in protein detection. Colloids Surf A Physicochem Eng Asp 2017. [DOI: 10.1016/j.colsurfa.2017.09.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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41
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Yang J, Cao Z. Glucose-responsive insulin release: Analysis of mechanisms, formulations, and evaluation criteria. J Control Release 2017; 263:231-239. [PMID: 28159517 PMCID: PMC5630063 DOI: 10.1016/j.jconrel.2017.01.043] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Revised: 01/18/2017] [Accepted: 01/29/2017] [Indexed: 01/14/2023]
Abstract
Diabetes mellitus has become one of the biggest medical challenges affecting millions of people globally. Alternative treatments for diabetes are currently being intensively investigated to improve the treatment efficacy and life qualities for diabetic patients. Glucose-responsive insulin release (GRIR) systems have exhibited tremendous potential to improve the normal glycemic control and to reduce the incidence of hyperglycemia and hypoglycemia, which further reduces potential complications in diabetic patients. In a given GRIR drug formulation, accuracy, response time, and reversibility of the GRIR functions are three key features enabling potential seamless control of blood glucose level. Nevertheless, there is significant challenge preventing current GRIR formulations from achieving them. This review article analyzes the most updated literature and provides insights on the impact of GRIR mechanisms, and formulations on these key features, and the relevant in vitro and in vivo evaluation methods to test these functions.
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Affiliation(s)
- Jianhai Yang
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, MI 48202, United States; Department of Chemistry, School of Science, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, PR China
| | - Zhiqiang Cao
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, MI 48202, United States.
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42
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Gong H, Hajizadeh S, Jiang L, Ma H, Ye L. Dynamic assembly of molecularly imprinted polymer nanoparticles. J Colloid Interface Sci 2017; 509:463-471. [PMID: 28923744 DOI: 10.1016/j.jcis.2017.09.046] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 09/06/2017] [Accepted: 09/10/2017] [Indexed: 01/06/2023]
Abstract
Manipulation of specific binding and recycling of materials are two important aspects for practical applications of molecularly imprinted polymers. In this work, we developed a new approach to control the dynamic assembly of molecularly imprinted nanoparticles by surface functionalization. Molecularly imprinted polymer nanoparticles with a well-controlled core-shell structure were synthesized using precipitation polymerization. The specific binding sites were created in the core during the first step imprinting reaction. In the second polymerization step, epoxide groups were introduced into the particle shell to act asan intermediate linker to immobilize phenylboronic acids, as well as to introduce cis-diol structures on surface. The imprinted polymer nanoparticles modified with boronic acid and cis-diol structures maintained high molecular binding specificity, and the nanoparticles could be induced to form dynamic particle aggregation that responded to pH variation and chemical stimuli. The possibility of modulating molecular binding and nanoparticle assembly in a mutually independent fashion can be exploited in a number of applications where repeated use of precious nanoparticles is needed.
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Affiliation(s)
- Haiyue Gong
- Division of Pure and Applied Biochemistry, Department of Chemistry, Lund University, Box 124, 221 00 Lund, Sweden
| | - Solmaz Hajizadeh
- Division of Pure and Applied Biochemistry, Department of Chemistry, Lund University, Box 124, 221 00 Lund, Sweden
| | - Lingdong Jiang
- Division of Pure and Applied Biochemistry, Department of Chemistry, Lund University, Box 124, 221 00 Lund, Sweden
| | - Huiting Ma
- Division of Pure and Applied Biochemistry, Department of Chemistry, Lund University, Box 124, 221 00 Lund, Sweden
| | - Lei Ye
- Division of Pure and Applied Biochemistry, Department of Chemistry, Lund University, Box 124, 221 00 Lund, Sweden.
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Deng R, Derry MJ, Mable CJ, Ning Y, Armes SP. Using Dynamic Covalent Chemistry To Drive Morphological Transitions: Controlled Release of Encapsulated Nanoparticles from Block Copolymer Vesicles. J Am Chem Soc 2017; 139:7616-7623. [PMID: 28497960 PMCID: PMC5465507 DOI: 10.1021/jacs.7b02642] [Citation(s) in RCA: 126] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Indexed: 12/16/2022]
Abstract
Dynamic covalent chemistry is exploited to drive morphological order-order transitions to achieve the controlled release of a model payload (e.g., silica nanoparticles) encapsulated within block copolymer vesicles. More specifically, poly(glycerol monomethacrylate)-poly(2-hydroxypropyl methacrylate) (PGMA-PHPMA) diblock copolymer vesicles were prepared via aqueous polymerization-induced self-assembly in either the presence or absence of silica nanoparticles. Addition of 3-aminophenylboronic acid (APBA) to such vesicles results in specific binding of this reagent to some of the pendent cis-diol groups on the hydrophilic PGMA chains to form phenylboronate ester bonds in mildly alkaline aqueous solution (pH ∼ 10). This leads to a subtle increase in the effective volume fraction of this stabilizer block, which in turn causes a reduction in the packing parameter and hence induces a vesicle-to-worm (or vesicle-to-sphere) morphological transition. The evolution in copolymer morphology (and the associated sol-gel transitions) was monitored using dynamic light scattering, transmission electron microscopy, oscillatory rheology, and small-angle X-ray scattering. In contrast to the literature, in situ release of encapsulated silica nanoparticles is achieved via vesicle dissociation at room temperature; moreover, the rate of release can be fine-tuned by varying the solution pH and/or the APBA concentration. Furthermore, this strategy also works (i) for relatively thick-walled vesicles that do not normally exhibit stimulus-responsive behavior and (ii) in the presence of added salt. This novel molecular recognition strategy to trigger morphological transitions via dynamic covalent chemistry offers considerable scope for the design of new stimulus-responsive copolymer vesicles (and hydrogels) for targeted delivery and controlled release of cargoes. In particular, the conditions used in this new approach are relevant to liquid laundry formulations, whereby enzymes require protection to prevent their deactivation by bleach.
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Affiliation(s)
- Renhua Deng
- Dainton Building, Department
of Chemistry, The University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, United Kingdom
| | - Matthew J. Derry
- Dainton Building, Department
of Chemistry, The University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, United Kingdom
| | - Charlotte J. Mable
- Dainton Building, Department
of Chemistry, The University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, United Kingdom
| | - Yin Ning
- Dainton Building, Department
of Chemistry, The University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, United Kingdom
| | - Steven P. Armes
- Dainton Building, Department
of Chemistry, The University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, United Kingdom
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Gao L, Wang T, Jia K, Wu X, Yao C, Shao W, Zhang D, Hu XY, Wang L. Glucose-Responsive Supramolecular Vesicles Based on Water-Soluble Pillar[5]arene and Pyridylboronic Acid Derivatives for Controlled Insulin Delivery. Chemistry 2017; 23:6605-6614. [DOI: 10.1002/chem.201700345] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Indexed: 12/21/2022]
Affiliation(s)
- Lei Gao
- Key Laboratory of Mesoscopic Chemistry of MOE; Collaborative Innovation Center of Chemistry for Life Sciences; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 P. R. China
| | - Tingting Wang
- Key Laboratory of Mesoscopic Chemistry of MOE; Collaborative Innovation Center of Chemistry for Life Sciences; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 P. R. China
| | - Keke Jia
- State Key Laboratory of Pharmaceutical Biotechnology; School of Life Sciences; Nanjing University; Nanjing 210023 P. R. China
| | - Xuan Wu
- Key Laboratory of Mesoscopic Chemistry of MOE; Collaborative Innovation Center of Chemistry for Life Sciences; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 P. R. China
| | - Chenhao Yao
- Key Laboratory of Mesoscopic Chemistry of MOE; Collaborative Innovation Center of Chemistry for Life Sciences; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 P. R. China
| | - Wei Shao
- Key Laboratory of Mesoscopic Chemistry of MOE; Collaborative Innovation Center of Chemistry for Life Sciences; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 P. R. China
| | - Dongmei Zhang
- State Key Laboratory of Pharmaceutical Biotechnology; School of Life Sciences; Nanjing University; Nanjing 210023 P. R. China
| | - Xiao-Yu Hu
- Key Laboratory of Mesoscopic Chemistry of MOE; Collaborative Innovation Center of Chemistry for Life Sciences; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 P. R. China
| | - Leyong Wang
- Key Laboratory of Mesoscopic Chemistry of MOE; Collaborative Innovation Center of Chemistry for Life Sciences; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 P. R. China
- Institute for Natural and Synthetic Organic Chemistry; Changzhou University; Changzhou 213164 P. R. China
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Wu JZ, Bremner DH, Li HY, Niu SW, Li SD, Zhu LM. Phenylboronic acid-diol crosslinked 6-O-vinylazeloyl-d-galactose nanocarriers for insulin delivery. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 76:845-855. [PMID: 28482599 DOI: 10.1016/j.msec.2017.03.139] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Revised: 03/09/2017] [Accepted: 03/13/2017] [Indexed: 12/28/2022]
Abstract
A new block polymer named poly 3-acrylamidophenylboronic acid-b-6-O-vinylazeloyl-d-galactose (p(AAPBA-b-OVZG)) was prepared using 3-acrylamidophenylboronic acid (AAPBA) and 6-O-vinylazeloyl-d-galactose (OVZG) via a two-step procedure involving S-1-dodecyl-S-(α', α'-dimethyl-α″-acetic acid) trithiocarbonate (DDATC) as chain transfer agent, 2,2-azobisisobutyronitrile (AIBN) as initiator and dimethyl formamide (DMF) as solvent. The structures of the polymer were examined by Fourier transform infrared spectroscopy (FT-IR) and 1H NMR and the thermal stability was determined by thermal gravimetric analysis (TG/DTG). Transmission electron microscopy (TEM) and dynamic light scattering (DLS) were utilized to evaluate the morphology and properties of the p(AAPBA-b-OVZG) nanoparticles. The cell toxicity, animal toxicity and therapeutic efficacy were also investigated. The results indicate the p(AAPBA-b-OVZG) was successfully synthesized and had excellent thermal stability. Moreover, the p(AAPBA-b-OVZG) nanoparticles were submicron in size and glucose-sensitive in phosphate-buffered saline (PBS). In addition, insulin as a model drug had a high encapsulation efficiency and loading capacity and the release of insulin was increased at higher glucose levels. Furthermore, the nanoparticles showed a low-toxicity in cell and animal studies and they were effective at decreasing blood glucose levels of mice over 96h. These p(AAPBA-b-OVZG) nanoparticles show promise for applications in diabetes treatment using insulin or other hypoglycemic proteins.
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Affiliation(s)
- Jun-Zi Wu
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, PR China
| | - David H Bremner
- School of Science, Engineering and Technology, Kydd Building, Abertay University, Dundee DD1 1HG, Scotland, UK
| | - He-Yu Li
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, PR China
| | - Shi-Wei Niu
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, PR China
| | - Shu-De Li
- School of Basic Medical Sciences, Kunming Medical University, Kunming 650228, PR China
| | - Li-Min Zhu
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, PR China.
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Boronic Acid as Glucose-Sensitive Agent Regulates Drug Delivery for Diabetes Treatment. MATERIALS 2017; 10:ma10020170. [PMID: 28772528 PMCID: PMC5459139 DOI: 10.3390/ma10020170] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2016] [Revised: 01/18/2017] [Accepted: 02/06/2017] [Indexed: 12/30/2022]
Abstract
In recent years, glucose-sensitive drug delivery systems have attracted considerable attention in the treatment of diabetes. These systems can regulate payload release by the changes of blood glucose levels continuously and automatically with potential application in self-regulated drug delivery. Boronic acid (BA), especially phenylboronic acid (PBA), as glucose-sensitive agent has been the focus of research in the design of glucose-sensitive platforms. This article reviews the previous attempts at the developments of PBA-based glucose-sensitive drug delivery systems regarding the PBA-functionalized materials and glucose-triggered drug delivery. The obstacles and potential developments of glucose-sensitive drug delivery systems based on PBA for diabetes treatment in the future are also described. The PBA-functionalized platforms that regulate drug delivery induced by glucose are expected to contribute significantly to the design and development of advanced intelligent self-regulated drug delivery systems for treatment of diabetes.
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Li Y, Zhang Y, Yang J, Yang J. Polypeptide-participating complex nanoparticles with improved salt-tolerance as excellent candidates for intelligent insulin delivery. RSC Adv 2017. [DOI: 10.1039/c7ra00418d] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The strategy of introducing synthetic polypeptides with hierarchical ordered structures into glucose-responsive materials is reported in this study to achieve self-regulated release of insulin under physiological salt concentration.
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Affiliation(s)
- Yuqiang Li
- State Key Laboratory of Chemical Resource Engineering
- Beijing Key Laboratory of Bioprocess
- College of Life Science and Technology
- Beijing University of Chemical Technology
- Beijing 100029
| | - Yunyan Zhang
- State Key Laboratory of Chemical Resource Engineering
- Beijing Key Laboratory of Bioprocess
- College of Life Science and Technology
- Beijing University of Chemical Technology
- Beijing 100029
| | - Junjiao Yang
- College of Science
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Jing Yang
- State Key Laboratory of Chemical Resource Engineering
- Beijing Key Laboratory of Bioprocess
- College of Life Science and Technology
- Beijing University of Chemical Technology
- Beijing 100029
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Responsive Polymer Nanostructures. POLYMER-ENGINEERED NANOSTRUCTURES FOR ADVANCED ENERGY APPLICATIONS 2017. [DOI: 10.1007/978-3-319-57003-7_6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Abstract
Here, we present a review of recent advances in electroporation for the delivery of nanomedicine as intracellular carriers by electroporation (NICE) in a drug format with functional nanoparticles.
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Affiliation(s)
- Kisoo Kim
- Department of Mechanical Engineering
- Kyung Hee University
- Yongin 17104
- Republic of Korea
| | - Won Gu Lee
- Department of Mechanical Engineering
- Kyung Hee University
- Yongin 17104
- Republic of Korea
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50
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Yu J, Zhang Y, Bomba H, Gu Z. Stimuli-Responsive Delivery of Therapeutics for Diabetes Treatment. Bioeng Transl Med 2016; 1:323-337. [PMID: 29147685 PMCID: PMC5685194 DOI: 10.1002/btm2.10036] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Revised: 09/07/2016] [Accepted: 09/13/2016] [Indexed: 12/12/2022] Open
Abstract
Diabetic therapeutics, including insulin and glucagon-like peptide 1 (GLP-1), are essential for diabetic patients to regulate blood glucose levels. However, conventional treatments that are based on subcutaneous injections are often associated with poor glucose control and a lack of patient compliance. In this review, we focus on the different stimuli-responsive systems to deliver therapeutics for diabetes treatment to improve patient comfort and prevent complications. Specifically, the pH-responsive systems for oral drug delivery are introduced first. Then, the closed-loop glucose-responsive systems are summarized based on different glucose-responsive moieties, including glucose oxidase (GOx), glucose binding protein (GBP), and phenylboronic acid (PBA). Finally, the on-demand delivery systems activated by external remote triggers are also discussed. We conclude by discussing advantages and limitations of current strategies, as well as future opportunities and challenges in this area.
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Affiliation(s)
- Jicheng Yu
- Joint Dept. of Biomedical EngineeringUniversity of North Carolina at Chapel Hill and North Carolina State UniversityRaleighNC27695
- Center for Nanotechnology in Drug Delivery and Division of Molecular Pharmaceutics, UNC Eshelman School of PharmacyUniversity of North Carolina at Chapel HillChapel HillNC27599
| | - Yuqi Zhang
- Joint Dept. of Biomedical EngineeringUniversity of North Carolina at Chapel Hill and North Carolina State UniversityRaleighNC27695
- Center for Nanotechnology in Drug Delivery and Division of Molecular Pharmaceutics, UNC Eshelman School of PharmacyUniversity of North Carolina at Chapel HillChapel HillNC27599
| | - Hunter Bomba
- Joint Dept. of Biomedical EngineeringUniversity of North Carolina at Chapel Hill and North Carolina State UniversityRaleighNC27695
| | - Zhen Gu
- Joint Dept. of Biomedical EngineeringUniversity of North Carolina at Chapel Hill and North Carolina State UniversityRaleighNC27695
- Center for Nanotechnology in Drug Delivery and Division of Molecular Pharmaceutics, UNC Eshelman School of PharmacyUniversity of North Carolina at Chapel HillChapel HillNC27599
- Dept. of MedicineUniversity of North Carolina at Chapel HillChapel HillNC27599
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