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Zhou XY, Wang CK, Shen ZF, Wang YF, Li YH, Hu YN, Zhang P, Zhang Q. Recent research progress on tumour-specific responsive hydrogels. J Mater Chem B 2024. [PMID: 38949411 DOI: 10.1039/d4tb00656a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
Most existing hydrogels, even recently developed injectable hydrogels that undergo a reversible sol-gel phase transition in response to external stimuli, are designed to gel immediately before or after implantation/injection to prevent the free diffusion of materials and drugs; however, the property of immediate gelation leads to a very weak tumour-targeting ability, limiting their application in anticancer therapy. Therefore, the development of tumour-specific responsive hydrogels for anticancer therapy is imperative because tumour-specific responses improve their tumour-targeting efficacy, increase therapeutic effects, and decrease toxicity and side effects. In this review, we introduce the following three types of tumour-responsive hydrogels: (1) hydrogels that gel specifically at the tumour site; (2) hydrogels that decompose specifically at the tumour site; and (3) hydrogels that react specifically with tumours. For each type, their compositions, the mechanisms of tumour-specific responsiveness and their applications in anticancer treatment are comprehensively discussed.
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Affiliation(s)
- Xuan-Yi Zhou
- The Second School of Clinical Medicine, Hangzhou Normal University, Hangzhou, Zhejiang, China.
- Urology & Nephrology Center, Department of Urology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Chen-Kai Wang
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
- Urology & Nephrology Center, Department of Urology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Ze-Fan Shen
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
- Urology & Nephrology Center, Department of Urology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Yi-Fan Wang
- Graduate Department, Bengbu Medical College, Bengbu, Anhui, China
- Urology & Nephrology Center, Department of Urology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Yu-Hang Li
- The Third Clinical Medical College, Jinzhou Medical University, Jinzhou, Liaoning, China
- Urology & Nephrology Center, Department of Urology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Yu-Ning Hu
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
- Urology & Nephrology Center, Department of Urology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Pu Zhang
- Urology & Nephrology Center, Department of Urology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
- Institute of Urology, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Qi Zhang
- The Second School of Clinical Medicine, Hangzhou Normal University, Hangzhou, Zhejiang, China.
- Urology & Nephrology Center, Department of Urology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
- Institute of Urology, Hangzhou Medical College, Hangzhou, Zhejiang, China
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2
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Pu M, Cao H, Zhang H, Wang T, Li Y, Xiao S, Gu Z. ROS-responsive hydrogels: from design and additive manufacturing to biomedical applications. MATERIALS HORIZONS 2024. [PMID: 38894682 DOI: 10.1039/d4mh00289j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Hydrogels with intricate 3D networks and high hydrophilicity have qualities resembling those of biological tissues, making them ideal candidates for use as smart biomedical materials. Reactive oxygen species (ROS) responsive hydrogels are an innovative class of smart hydrogels, and are cross-linked by ROS-responsive modules through covalent interactions, coordination interactions, or supramolecular interactions. Due to the introduction of ROS response modules, this class of hydrogels exhibits a sensitive response to the oxidative stress microenvironment existing in organisms. Simultaneously, due to the modularity of the ROS-responsive structure, ROS-responsive hydrogels can be manufactured on a large scale through additive manufacturing. This review will delve into the design, fabrication, and applications of ROS-responsive hydrogels. The main goal is to clarify the chemical principles that govern the response mechanism of these hydrogels, further providing new perspectives and methods for designing responsive hydrogel materials.
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Affiliation(s)
- Minju Pu
- Department of Periodontics, State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, P. R. China.
| | - Huan Cao
- Laboratory of Clinical Nuclear Medicine, Department of Nuclear Medicine, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610065, P. R. China
| | - Hengjie Zhang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, P. R. China.
| | - Tianyou Wang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, P. R. China.
| | - Yiwen Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, P. R. China.
| | - Shimeng Xiao
- Department of Periodontics, State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
| | - Zhipeng Gu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, P. R. China.
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3
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Lee CS, Hwang HS. Starch-Based Hydrogels as a Drug Delivery System in Biomedical Applications. Gels 2023; 9:951. [PMID: 38131937 PMCID: PMC10743264 DOI: 10.3390/gels9120951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 11/29/2023] [Accepted: 12/02/2023] [Indexed: 12/23/2023] Open
Abstract
Starch-based hydrogels have gained significant attention in biomedical applications as a type of drug delivery system due to their biocompatibility, biodegradability, and ability to absorb and release drugs. Starch-based hydrogels can serve as effective carriers for pharmaceutical compounds such as drugs and proteins to develop drug-loaded hydrogel systems, providing controlled release over an extended period. The porous structure of a hydrogel allows for the diffusion of drugs, ensuring sustained and localized delivery to the target site. Moreover, starch-based hydrogels have been used as a powerful option in various biomedical fields, including cancer and infectious disease treatment. In addition, starch-based hydrogels have shown promise in tissue engineering applications since hydrogels can be used as scaffolds or matrices to support cell growth and tissue regeneration. Depending on techniques such as chemical crosslinking or physical gelation, it can create a three-dimensional network structure that tunes its mechanical properties and mimics the extracellular matrix. Starch-based hydrogels can also provide a supportive environment for cell attachment, proliferation, and differentiation to promote specific cellular responses and tissue regeneration processes with the loading of growth factors, cytokines, or other bioactive molecules. In this review, starch-based hydrogels as a versatile platform for various biomedical applications are discussed.
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Affiliation(s)
- Chung-Sung Lee
- Department of Pharmaceutical Engineering, Soonchunhyang University, Asan 31538, Republic of Korea
| | - Hee Sook Hwang
- Department of Pharmaceutical Engineering, Dankook University, Cheonan 31116, Republic of Korea
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4
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Li S, Ma X, Li R, Sun C, Hu J, Zhang Y. Lipase-catalyzed ring-opening copolymerization of macrocycles for diselenide-functionalized long-chain polycarbonate: Synthesis, kinetic process and ROS responsiveness. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2022.105385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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5
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Rezaei A, Rafieian F, Akbari-Alavijeh S, Kharazmi MS, Jafari SM. Release of bioactive compounds from delivery systems by stimuli-responsive approaches; triggering factors, mechanisms, and applications. Adv Colloid Interface Sci 2022; 307:102728. [PMID: 35843031 DOI: 10.1016/j.cis.2022.102728] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 07/01/2022] [Accepted: 07/01/2022] [Indexed: 11/01/2022]
Abstract
Recent advances in emerging nanocarriers and stimuli-responsive (SR) delivery systems have brought about a revolution in the food and pharmaceutical industries. SR carriers are able to release the encapsulated bioactive compounds (bioactives) upon an external trigger. The potential of releasing the loaded bioactives in site-specific is of great importance for the pharmaceutical industry and medicine that can deliver the cargo in an appropriate condition. For the food industry, release of encapsulated bioactives is considerably important in processing or storage of food products and can be used in their formulation or packaging. There are various stimuli to control the favorite release of bioactives. In this review, we will shed light on the effect of different stimuli such as temperature, humidity, pH, light, enzymatic hydrolysis, redox, and also multiple stimuli on the release of encapsulated cargo and their potential applications in the food and pharmaceutical industries. An overview of cargo release mechanisms is also discussed. Furthermore, various alternatives to manipulate the controlled release of bioactives from carriers and the perspective of more progress in these SR carriers are highlighted.
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Affiliation(s)
- Atefe Rezaei
- Food Security Research Center, Department of Food Science and Technology, School of Nutrition and Food Science, Isfahan University of Medical Sciences, P.O. Box: 81746-73461, Isfahan, Iran.
| | - Fatemeh Rafieian
- Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Safoura Akbari-Alavijeh
- Department of Food Science and Technology, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, P.O. Box 56199-11367, Ardabil, Iran
| | | | - Seid Mahdi Jafari
- Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran; Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E-32004 Ourense, Spain.
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6
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Zhang Y, Dong L, Liu L, Wu Z, Pan D, Liu L. Recent Advances of Stimuli-Responsive Polysaccharide Hydrogels in Delivery Systems: A Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:6300-6316. [PMID: 35578738 DOI: 10.1021/acs.jafc.2c01080] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Hydrogels obtained from natural polymers have received widespread attention for their excellent biocompatible property, nontoxicity, easy gelation, and functionalization. Polysaccharides can regulate the gut microbiota and improve the intestinal microenvironment, thus exerting the healthy effect of intestinal immunity. In an active substance delivery system, the extent and speed of the substance reaching its target are highly dependent on the carrier. Thus, the smart active substance delivery systems are gradually increasing. The smart polysaccharide-hydrogels possess the ability in response to external stimuli through changing their volume phase and structure, which are applied in various fields. Natural polysaccharide-based hydrogels possess excellent characteristics of environmental friendliness, good biocompatibility, and abundant sources. According to the response type, natural polysaccharide-based hydrogels are usually divided into stimulus-responsive hydrogels, including internal response (pH, temperature, enzyme, redox) and external response (light, electricity, magnetism) hydrogels. The delivery system based on polysaccharides can exert their effects in the gastrointestinal tract. At the same time, polysaccharides may also take part in regulating the brain signals through the microbiota-gut-brain axis. Therefore, natural polysaccharide-hydrogels are considered as promising biomaterials, which can be designed as delivery systems for regulating the gut-brain axis. This article reviews the research advance of stimulus-responsive hydrogels, which focus on the types, response characteristics, and applications for polysaccharide-based smart hydrogels as delivery systems.
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Affiliation(s)
- Yunzhen Zhang
- Ningbo University, College of Food and Pharmaceutical Sciences, Deep Processing Technology Key Laboratory of Zhejiang Province Animal Protein Food, Ningbo University, Ningbo 315832, Zhejiang Province, P. R. China
| | - Lezhen Dong
- Ningbo University, College of Food and Pharmaceutical Sciences, Deep Processing Technology Key Laboratory of Zhejiang Province Animal Protein Food, Ningbo University, Ningbo 315832, Zhejiang Province, P. R. China
| | - Lingyi Liu
- University of Nebraska Lincoln, Department of Food Science & Technology, Lincoln, Nebraska 68588, United States
| | - Zufang Wu
- Ningbo University, College of Food and Pharmaceutical Sciences, Deep Processing Technology Key Laboratory of Zhejiang Province Animal Protein Food, Ningbo University, Ningbo 315832, Zhejiang Province, P. R. China
| | - Daodong Pan
- Ningbo University, College of Food and Pharmaceutical Sciences, Deep Processing Technology Key Laboratory of Zhejiang Province Animal Protein Food, Ningbo University, Ningbo 315832, Zhejiang Province, P. R. China
| | - Lianliang Liu
- Ningbo University, College of Food and Pharmaceutical Sciences, Deep Processing Technology Key Laboratory of Zhejiang Province Animal Protein Food, Ningbo University, Ningbo 315832, Zhejiang Province, P. R. China
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7
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Selenium-Functionalized Corn Starch as a Biodegradable GPx Mimic with High Catalytic Performance. Polymers (Basel) 2021; 13:polym13244309. [PMID: 34960860 PMCID: PMC8706693 DOI: 10.3390/polym13244309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 11/28/2021] [Accepted: 12/03/2021] [Indexed: 11/24/2022] Open
Abstract
Selenium-functionalized starch (Se-starch80) is one of the main functional foods used for selenium supplementation. In traditional agriculture, Se-starch has some deficiencies such as long growth cycle and unstable selenium content that prevent its antioxidant performance. In this study, Se-starch was prepared by the nucleophilic addition between NaSeH and carbon-carbon double bond of octenyl succinic anhydride waxy corn starch ester (OSA starch). Some techniques such as 1HNMR, XPS, SEM-EDS, XRD and FT-IR were used to characterize the relevant samples and the results showed that the modification did not destroy the starch framework significantly and the catalytic center (negative divalent selenium) was anchored on the starch framework. The intensive distribution of catalytic center on the starch surface and the hydrophobic microenvironments derived from the OSA chains furnished the Se-starch80 with a high GPx-like catalytic activity (initial reaction rate = 3.64 μM/min). This value was about 1.5 × 105 times higher than that of a typical small-molecule GPx mimic (PhSeSePh). In addition, the Se-starch80, without any cytotoxicity, showed a saturated kinetic catalytic behavior that is similar to a typical enzyme. This work exemplifies a biodegradable selenium-functionalized polymer platform for the high-performing GPx mimic.
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Caballero D, Abreu CM, Lima AC, Neves NN, Reis RL, Kundu SC. Precision biomaterials in cancer theranostics and modelling. Biomaterials 2021; 280:121299. [PMID: 34871880 DOI: 10.1016/j.biomaterials.2021.121299] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 11/18/2021] [Accepted: 11/29/2021] [Indexed: 02/06/2023]
Abstract
Despite significant achievements in the understanding and treatment of cancer, it remains a major burden. Traditional therapeutic approaches based on the 'one-size-fits-all' paradigm are becoming obsolete, as demonstrated by the increasing number of patients failing to respond to treatments. In contrast, more precise approaches based on individualized genetic profiling of tumors have already demonstrated their potential. However, even more personalized treatments display shortcomings mainly associated with systemic delivery, such as low local drug efficacy or specificity. A large amount of effort is currently being invested in developing precision medicine-based strategies for improving the efficiency of cancer theranostics and modelling, which are envisioned to be more accurate, standardized, localized, and less expensive. To this end, interdisciplinary research fields, such as biomedicine, material sciences, pharmacology, chemistry, tissue engineering, and nanotechnology, must converge for boosting the precision cancer ecosystem. In this regard, precision biomaterials have emerged as a promising strategy to detect, model, and treat cancer more efficiently. These are defined as those biomaterials precisely engineered with specific theranostic functions and bioactive components, with the possibility to be tailored to the cancer patient needs, thus having a vast potential in the increasing demand for more efficient treatments. In this review, we discuss the latest advances in the field of precision biomaterials in cancer research, which are expected to revolutionize disease management, focusing on their uses for cancer modelling, detection, and therapeutic applications. We finally comment on the needed requirements to accelerate their application in the clinic to improve cancer patient prognosis.
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Affiliation(s)
- David Caballero
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, 4805-017, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal.
| | - Catarina M Abreu
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, 4805-017, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Ana C Lima
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, 4805-017, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Nuno N Neves
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, 4805-017, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Rui L Reis
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, 4805-017, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Subhas C Kundu
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, 4805-017, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal.
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Bayer IS. A Review of Sustained Drug Release Studies from Nanofiber Hydrogels. Biomedicines 2021; 9:1612. [PMID: 34829843 PMCID: PMC8615759 DOI: 10.3390/biomedicines9111612] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 10/31/2021] [Accepted: 11/02/2021] [Indexed: 12/19/2022] Open
Abstract
Polymer nanofibers have exceptionally high surface area. This is advantageous compared to bulk polymeric structures, as nanofibrils increase the area over which materials can be transported into and out of a system, via diffusion and active transport. On the other hand, since hydrogels possess a degree of flexibility very similar to natural tissue, due to their significant water content, hydrogels made from natural or biodegradable macromolecular systems can even be injectable into the human body. Due to unique interactions with water, hydrogel transport properties can be easily modified and tailored. As a result, combining nanofibers with hydrogels would truly advance biomedical applications of hydrogels, particularly in the area of sustained drug delivery. In fact, certain nanofiber networks can be transformed into hydrogels directly without the need for a hydrogel enclosure. This review discusses recent advances in the fabrication and application of biomedical nanofiber hydrogels with a strong emphasis on drug release. Most of the drug release studies and recent advances have so far focused on self-gelling nanofiber systems made from peptides or other natural proteins loaded with cancer drugs. Secondly, polysaccharide nanofiber hydrogels are being investigated, and thirdly, electrospun biodegradable polymer networks embedded in polysaccharide-based hydrogels are becoming increasingly popular. This review shows that a major outcome from these works is that nanofiber hydrogels can maintain drug release rates exceeding a few days, even extending into months, which is an extremely difficult task to achieve without the nanofiber texture. This review also demonstrates that some publications still lack careful rheological studies on nanofiber hydrogels; however, rheological properties of hydrogels can influence cell function, mechano-transduction, and cellular interactions such as growth, migration, adhesion, proliferation, differentiation, and morphology. Nanofiber hydrogel rheology becomes even more critical for 3D or 4D printable systems that should maintain sustained drug delivery rates.
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Affiliation(s)
- Ilker S Bayer
- Smart Materials, Istituto Italiano di Tecnologia, 16163 Genova, Italy
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Li S, Song F, Sun C, Hu J, Zhang Y. Amphiphilic methoxy poly(ethylene glycol)-b-poly(carbonate-selenide) with enhanced ROS responsiveness: Facile synthesis and oxidation process. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110752] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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11
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Cui C, Ji N, Wang Y, Xiong L, Sun Q. Bioactive and intelligent starch-based films: A review. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.08.024] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Birhan YS, Tsai HC. Recent developments in selenium-containing polymeric micelles: prospective stimuli, drug-release behaviors, and intrinsic anticancer activity. J Mater Chem B 2021; 9:6770-6801. [PMID: 34350452 DOI: 10.1039/d1tb01253c] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Selenium is capable of forming a dynamic covalent bond with itself and other elements and can undergo metathesis and regeneration reactions under optimum conditions. Its dynamic nature endows selenium-containing polymers with striking sensitivity towards some environmental alterations. In the past decade, several selenium-containing polymers were synthesized and used for the preparation of oxidation-, reduction-, and radiation-responsive nanocarriers. Recently, thioredoxin reductase, sonication, and osmotic pressure triggered the cleavage of Se-Se bonds and swelling or disassembly of nanostructures. Moreover, some selenium-containing nanocarriers form oxidation products such as seleninic acids and acrylates with inherent anticancer activities. Thus, selenium-containing polymers hold promise for the fabrication of ultrasensitive and multifunctional nanocarriers of radiotherapeutic, chemotherapeutic, and immunotherapeutic significance. Herein, we discuss the most recent developments in selenium-containing polymeric micelles in light of their architecture, multiple stimuli-responsive properties, emerging immunomodulatory activities, and future perspectives in the delivery and controlled release of anticancer agents.
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Affiliation(s)
- Yihenew Simegniew Birhan
- Department of Chemistry, College of Natural and Computational Sciences, Debre Markos University, P.O. Box 269, Debre Markos, Ethiopia
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Rial-Hermida MI, Rey-Rico A, Blanco-Fernandez B, Carballo-Pedrares N, Byrne EM, Mano JF. Recent Progress on Polysaccharide-Based Hydrogels for Controlled Delivery of Therapeutic Biomolecules. ACS Biomater Sci Eng 2021; 7:4102-4127. [PMID: 34137581 PMCID: PMC8919265 DOI: 10.1021/acsbiomaterials.0c01784] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
![]()
A plethora of applications using
polysaccharides have been developed
in recent years due to their availability as well as their frequent
nontoxicity and biodegradability. These polymers are usually obtained
from renewable sources or are byproducts of industrial processes,
thus, their use is collaborative in waste management and shows promise
for an enhanced sustainable circular economy. Regarding the development
of novel delivery systems for biotherapeutics, the potential of polysaccharides
is attractive for the previously mentioned properties and also for
the possibility of chemical modification of their structures, their
ability to form matrixes of diverse architectures and mechanical properties,
as well as for their ability to maintain bioactivity following incorporation
of the biomolecules into the matrix. Biotherapeutics, such as proteins,
growth factors, gene vectors, enzymes, hormones, DNA/RNA, and antibodies
are currently in use as major therapeutics in a wide range of pathologies.
In the present review, we summarize recent progress in the development
of polysaccharide-based hydrogels of diverse nature, alone or in combination
with other polymers or drug delivery systems, which have been implemented
in the delivery of biotherapeutics in the pharmaceutical and biomedical
fields.
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Affiliation(s)
- M Isabel Rial-Hermida
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro 3810-193 Aveiro, Portugal
| | - Ana Rey-Rico
- Cell Therapy and Regenerative Medicine Unit, Centro de Investigacións Científicas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain
| | - Barbara Blanco-Fernandez
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, 08028 Barcelona, Spain.,CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, 28029 Madrid, Spain
| | - Natalia Carballo-Pedrares
- Cell Therapy and Regenerative Medicine Unit, Centro de Investigacións Científicas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain
| | - Eimear M Byrne
- Wellcome-Wolfson Institute For Experimental Medicine, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, United Kingdom
| | - João F Mano
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro 3810-193 Aveiro, Portugal
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Hosseinnejad A, Fischer T, Jain P, Bleilevens C, Jakob F, Schwaneberg U, Rossaint R, Singh S. Enzyme mimetic microgel coating for endogenous nitric oxide mediated inhibition of platelet activation. J Colloid Interface Sci 2021; 601:604-616. [PMID: 34116469 DOI: 10.1016/j.jcis.2021.05.143] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 05/20/2021] [Accepted: 05/23/2021] [Indexed: 01/28/2023]
Abstract
Nitric oxide (NO) continuously generated by healthy endothelium prevents platelet activation and maintains vascular homeostasis. However, when artificial surfaces, like of extracorporeal membrane oxygenator comes in contact with blood, protein adsorption and thereby platelet activation takes place, which eventually leads to thrombus formation. To overcome this, we present an antifouling microgel coating mimicking the function of enzyme glutathione peroxidase to endogenously generate NO in the blood plasma from endogenous NO-donors and maintain a physiological NO flux. Microgels are synthesized by copolymerization of highly hydrophilic N-(2-hydroxypropyl)methacrylamide (HPMA) and glycidyl methacrylate (GMA) with diselenide crosslinks. For immobilization of the microgels on hydrophobic poly(4-methylpentene) (TPX) membranes bioengineered amphiphilic anchor peptides with free thiols are used. The anchor peptide attaches to the TPX membranes by hydrophobic interactions while the free thiols are presented for crosslinking with the microgels. The hydrophilic nature of the microgel coating prevents protein adsorption while the reversible diselenide bridges make the microgels responsive to the reducing environment and lead to the formation of reactive selenols/selenolates. The generated selenols/selenolates provide an efficient and sustained NO-release from endogenous S-nitrosothiols (RSNOs) mimicking the enzymatic function of glutathione peroxidase. On exposure to the whole blood, the microgel coating inhibited platelet activation and prolonged the blood clotting time.
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Affiliation(s)
- Aisa Hosseinnejad
- DWI-Leibniz-Institute for Interactive Materials e.V., Forckenbeckstr. 50, 52056 Aachen, Germany.
| | - Thorsten Fischer
- DWI-Leibniz-Institute for Interactive Materials e.V., Forckenbeckstr. 50, 52056 Aachen, Germany.
| | - Puja Jain
- DWI-Leibniz-Institute for Interactive Materials e.V., Forckenbeckstr. 50, 52056 Aachen, Germany.
| | - Christian Bleilevens
- Department of Anaesthesiology of the University Hospital RWTH Aachen, Pauwelsstraße 30, 52074 Aachen, Germany.
| | - Felix Jakob
- DWI-Leibniz-Institute for Interactive Materials e.V., Forckenbeckstr. 50, 52056 Aachen, Germany; Institute for Biotechnology, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany.
| | - Ulrich Schwaneberg
- DWI-Leibniz-Institute for Interactive Materials e.V., Forckenbeckstr. 50, 52056 Aachen, Germany; Institute for Biotechnology, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany.
| | - Rolf Rossaint
- Department of Anaesthesiology of the University Hospital RWTH Aachen, Pauwelsstraße 30, 52074 Aachen, Germany.
| | - Smriti Singh
- DWI-Leibniz-Institute for Interactive Materials e.V., Forckenbeckstr. 50, 52056 Aachen, Germany; Max-Planck-Institut für medizinische Forschung, Jahnstraße 29, 69120 Heidelberg, Germany.
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15
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Xing J, Dang W, Li J, Huang J. Photo/thermal response of polypyrrole-modified calcium alginate/gelatin microspheres based on helix-coil structural transition and the controlled release of agrochemicals. Colloids Surf B Biointerfaces 2021; 204:111776. [PMID: 33930732 DOI: 10.1016/j.colsurfb.2021.111776] [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: 02/01/2021] [Revised: 04/15/2021] [Accepted: 04/16/2021] [Indexed: 02/04/2023]
Abstract
Responsive controlled-release systems can not only improve the efficiency of agrochemical utilization but also increase crop yield and reduce environmental pollution caused by excessive use of agrochemicals. In this paper, the helix-coil structural transition of gelatin was adopted to construct a novel stimuli-responsive controlled-release system called polypyrrole/Ca-alginate/gelatin (PPy/Ca-alginate/Gel). In PPy/Ca-alginate/Gel, Ca-alginate and gelatin form a semi-interpenetrating network in which uncross-linked gelatin can undergo a free helix-coil structural transition due to the photothermal effect of PPy. The structural transition of gelatin will lead to changes in the functional groups and microstructure of semi-interpenetrating hydrogels and furthermore achieve the release of template agrochemical molecules embedded in hydrogels. By using carbendazim as a template molecule, the photothermal conversion and controlled release of PPy/Ca-alginate/Gel were systematically studied. After 600 s of light irradiation, its temperature could be increased by 17 ℃. The release of carbendazim in microspheres reached 91.8 % after 8 h of light irradiation, while it was only 13.3 % in the dark. The results indicated that PPy/Ca-alginate/Gel have excellent controlled-release and sustained-release properties and broad application potential in agriculture.
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Affiliation(s)
- Jianyu Xing
- School of Water and Environment, Chang'an University, Xi'an, Shaanxi, 710054, PR China; Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, Xi'an, 710054, PR China.
| | - Wenwen Dang
- School of Water and Environment, Chang'an University, Xi'an, Shaanxi, 710054, PR China; Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, Xi'an, 710054, PR China
| | - Jingchang Li
- School of Water and Environment, Chang'an University, Xi'an, Shaanxi, 710054, PR China; Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, Xi'an, 710054, PR China
| | - Jumei Huang
- School of Water and Environment, Chang'an University, Xi'an, Shaanxi, 710054, PR China; Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, Xi'an, 710054, PR China
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16
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Gao Y, Deng A, Wu X, Sun C, Qi C. Injectable multi-responsive hydrogels cross-linked by responsive macromolecular micelles. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.104866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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17
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Karoyo AH, Wilson LD. A Review on the Design and Hydration Properties of Natural Polymer-Based Hydrogels. MATERIALS (BASEL, SWITZERLAND) 2021; 14:1095. [PMID: 33652859 PMCID: PMC7956345 DOI: 10.3390/ma14051095] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 02/07/2021] [Accepted: 02/17/2021] [Indexed: 01/02/2023]
Abstract
Hydrogels are hydrophilic 3D networks that are able to ingest large amounts of water or biological fluids, and are potential candidates for biosensors, drug delivery vectors, energy harvester devices, and carriers or matrices for cells in tissue engineering. Natural polymers, e.g., cellulose, chitosan and starch, have excellent properties that afford fabrication of advanced hydrogel materials for biomedical applications: biodegradability, biocompatibility, non-toxicity, hydrophilicity, thermal and chemical stability, and the high capacity for swelling induced by facile synthetic modification, among other physicochemical properties. Hydrogels require variable time to reach an equilibrium swelling due to the variable diffusion rates of water sorption, capillary action, and other modalities. In this study, the nature, transport kinetics, and the role of water in the formation and structural stability of various types of hydrogels comprised of natural polymers are reviewed. Since water is an integral part of hydrogels that constitute a substantive portion of its composition, there is a need to obtain an improved understanding of the role of hydration in the structure, degree of swelling and the mechanical stability of such biomaterial hydrogels. The capacity of the polymer chains to swell in an aqueous solvent can be expressed by the rubber elasticity theory and other thermodynamic contributions; whereas the rate of water diffusion can be driven either by concentration gradient or chemical potential. An overview of fabrication strategies for various types of hydrogels is presented as well as their responsiveness to external stimuli, along with their potential utility in diverse and novel applications. This review aims to shed light on the role of hydration to the structure and function of hydrogels. In turn, this review will further contribute to the development of advanced materials, such as "injectable hydrogels" and super-adsorbents for applications in the field of environmental science and biomedicine.
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Affiliation(s)
| | - Lee D. Wilson
- Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, SK S7N 5C9, Canada;
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18
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Wu Y, Wang J, Li L, Fei X, Xu L, Wang Y, Tian J, Li Y. A novel hydrogel with self-healing property and bactericidal activity. J Colloid Interface Sci 2021; 584:484-494. [PMID: 33129158 DOI: 10.1016/j.jcis.2020.09.105] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 09/20/2020] [Accepted: 09/26/2020] [Indexed: 12/20/2022]
Abstract
In this study, we have designed and synthesized a novel poly (4 - vinyl benzene boronic acid - co - N - vinyl pyrrolidone - co - 1 - vinyl - 3 - butylimidazolium bromide) hydrogel (VNV hydrogel) dressing with good self-healing properties and bactericidal activity. The gelation and self-healing of this hydrogel are mainly achieved by the formation of a dynamic B-O-B bond between the polymer chains, which is fractured by external forces and subsequently reformed. This self-healing mechanism is studied in detail through the molecular design of the hydrogel. The introduction of hydrophilic chemical groups can effectively improve the porous structures, water absorption and molecular migration. These properties have a positive effect on improving self-healing properties of dynamic crosslinked hydrogels. Furthermore, this VNV hydrogel dressing displays good antibacterial activity against E. coli, S. aureus, and C. albicans. The application of VNV hydrogel dressing on rat wound surface can effectively accelerate wound healing. These results indicate that this novel VNV hydrogel dressing with good self-healing properties and bactericidal activity has potential applications in wound dressings.
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Affiliation(s)
- Yuxuan Wu
- Instrumental Analysis Center, Dalian Polytechnic University, Dalian 116034, China; School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Jihui Wang
- School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China; School of Chemical Engineering & Energy Technology, Dongguan University of Technology, Dongguan 528808, China
| | - Lin Li
- School of Chemical Engineering & Energy Technology, Dongguan University of Technology, Dongguan 528808, China
| | - Xu Fei
- Instrumental Analysis Center, Dalian Polytechnic University, Dalian 116034, China.
| | - Longquan Xu
- Instrumental Analysis Center, Dalian Polytechnic University, Dalian 116034, China
| | - Yi Wang
- School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Jing Tian
- School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China.
| | - Yao Li
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China.
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19
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Fang Y, Lin X, Jin X, Yang D, Gao S, Shi K, Yang M. Design and Fabrication of Dual Redox Responsive Nanoparticles with Diselenide Linkage Combined Photodynamically to Effectively Enhance Gene Expression. Int J Nanomedicine 2020; 15:7297-7314. [PMID: 33061382 PMCID: PMC7534861 DOI: 10.2147/ijn.s266514] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 08/24/2020] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND PEI is currently the most used non-viral gene carrier and the transfection efficiency is closely related to the molecular weight; however, the prominent problem is that the cytotoxicity increased with the molecular weight. METHODS A novel redox responsive biodegradable diselenide cross-linked polymer (dPSP) was designed to enhance gene expression. ICG-pEGFP-TRAIL/dPSP nanoparticles with high drug loading are prepared, which have redox sensitivity and plasmid protection. The transfection efficiency of dPSP nanoparticle was evaluated in vitro. RESULTS The plasmid was compressed by 100% at the N/P ratio of 16, and the particle size was less than 100 nm. When explored onto high concentrations of GSH/H2O2, dPSP4 degraded into small molecular weight cationic substances with low cytotoxicity rapidly. Singlet oxygen (1O2) was produced when indocyanine green (ICG) was irradiated by near-infrared laser irradiation (NIR) to promote oxidative degradation of dPSP4 nanoparticles. Under the stimulation of NIR 808 and redox agent, the particle size and PDI of ICG-pDNA/dPSP nanoparticle increased significantly. CONCLUSION Compared with gene therapy alone, co-transportation of dPSP4 nanoparticle with ICG and pEGFP-TRAIL had better antitumor effect. Diselenide-crosslinked polyspermine had a promising prospect on gene delivery and preparation of multifunctional anti-tumor carrier.
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Affiliation(s)
- Yan Fang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang110016, People’s Republic of China
| | - Xiaojie Lin
- Department of Pharmaceutics, School of Pharmaceutical Science, Shenyang Pharmaceutical University, Shenyang117004, People’s Republic of China
| | - Xuechao Jin
- Department of Pharmaceutics, School of Pharmaceutical Science, Shenyang Pharmaceutical University, Shenyang117004, People’s Republic of China
| | - Dongjuan Yang
- Department of Pharmaceutics, School of Pharmaceutical Science, Shenyang Pharmaceutical University, Shenyang117004, People’s Republic of China
| | - Shan Gao
- Department of Pharmaceutics, School of Pharmaceutical Science, Shenyang Pharmaceutical University, Shenyang117004, People’s Republic of China
| | - Kai Shi
- Department of Pharmaceutics, School of Pharmaceutical Science, Shenyang Pharmaceutical University, Shenyang117004, People’s Republic of China
| | - Mingshi Yang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang110016, People’s Republic of China
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen ODK-2100, Denmark
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20
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Jiang Y, Wang Y, Li Q, Yu C, Chu W. Natural Polymer-based Stimuli-responsive Hydrogels. Curr Med Chem 2020; 27:2631-2657. [PMID: 31755377 DOI: 10.2174/0929867326666191122144916] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Revised: 10/07/2019] [Accepted: 11/02/2019] [Indexed: 02/04/2023]
Abstract
The abilities of intelligent polymer hydrogels to change their structure and volume phase in response to external stimuli have provided new possibilities for various advanced technologies and great research and application potentials in the medical field. The natural polymer-based hydrogels have the advantages of environment-friendliness, rich sources and good biocompatibility. Based on their responsiveness to external stimuli, the natural polymer-based hydrogels can be classified into the temperature-responsive hydrogel, pH-responsive hydrogel, light-responsive hydrogel, electricresponsive hydrogel, redox-responsive hydrogel, enzyme-responsive hydrogel, magnetic-responsive hydrogel, multi-responsive hydrogel, etc. In this review, we have compiled some recent studies on natural polymer-based stimuli-responsive hydrogels, especially the hydrogels prepared from polysaccharides. The preparation methods, properties and applications of these hydrogels in the medical field are highlighted.
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Affiliation(s)
- Yuheng Jiang
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, China.,CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China.,Center for Nanochemistry, Peking University, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Ying Wang
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, China
| | - Qin Li
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, China
| | - Chen Yu
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, China
| | - Wanli Chu
- Department of Burn and Plastic Surgery, The Fourth Medical Center of Chinese PLA General Hospital, Beijing, China
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21
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Lu W, Xu X, Imbernon L, Zhu J, Hoogenboom R, Du Prez FE, Pan X. On-Demand Dissoluble Diselenide-Containing Hydrogel. Biomacromolecules 2020; 21:3308-3317. [PMID: 32658477 DOI: 10.1021/acs.biomac.0c00762] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
On-demand dissolution of hydrogels is being increasingly studied for their potential use in burn wound dressing applications. Herein, a dynamic diselenide-containing hydrogel is developed through a very simple one-pot and two-step process starting from the selenol functionalization of a partially hydrolyzed poly(2-ethyl-2-oxazoline) with γ-butyroselenolactone. The hydrogel spontaneously cross-links via an in situ oxidation of the selenol functionalities in air. The gelation process and the final viscoelastic properties of the gel are characterized by rheological experiments. The mechanical properties of those new diselenide-containing hydrogels are easily tuned by varying the concentration of γ-butyroselenolactone. The materials also show good skin adhesion and UV light responsiveness. A unique feature of the hydrogel is its capability to be fully and rapidly dissolved on-demand, via oxidation or reduction of the diselenide cross-links, making them particularly attractive for burn wound dressing applications.
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22
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Saccardo A, Soloviev M, Ferrari E. A thermo-responsive, self-assembling biointerface for on demand release of surface-immobilised proteins. Biomater Sci 2020; 8:2673-2681. [PMID: 32254844 DOI: 10.1039/c9bm01957j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Dedicated chemistries for on-demand capture and release of biomolecules at the solid-liquid interface are required for applications in drug delivery, for the synthesis of switchable surfaces used in analytical devices and for the assembly of next-generation biomaterials with complex architectures and functions. Here we report the engineering of a binary self-assembling polypeptide system for reversible protein capture, immobilisation and controlled thermo-responsive release from a solid surface. The first element of the binary system is a universal protein substrate immobilised on a solid surface. This protein is bio-inspired by the neuronal SNAP25, which is the protein involved in the docking and fusion of synaptic vesicles to the synaptic membrane. The second element is an artificial chimeric protein engineered to include distinct domains from three different proteins: Syntaxin, VAMP and SNAP25. These native proteins constitute the machinery dedicated to vesicle trafficking in eukaryotes. We removed approximately 70% of native protein sequence from these proteins and constructed a protein chimera capable of high affinity interaction and self-assembly with immobilised substrate. The interaction of the two parts of the engineered protein complex is strong but fully-reversible and therefore the chimera can be recombinantly fused as a tag to a protein of interest, to allow spontaneous assembly and stimuli-sensitive release from the surface upon heating at a predetermined temperature. Two thermo-responsive tags are reported: the first presents remarkable thermal stability with melting temperature of the order of 80 °C; the second disassembles at a substantially lower temperature of about 45 °C. The latter is a promising candidate for remote-controlled localised delivery of therapeutic proteins, as physiologically tolerable local increase of temperatures in the 40-45 °C range can be achieved using magnetic fields, infra-red light or focused ultrasound. Importantly, these two novel polypeptides provide a broader blueprint for the engineering of future functional proteins with predictable folding and response to external stimuli.
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Affiliation(s)
- Angela Saccardo
- School of Life Sciences, University of Lincoln, Lincoln LN6 7TS, UK.
| | - Mikhail Soloviev
- Department of Biological Sciences, Royal Holloway University of London, Egham TW20 0EX, UK
| | - Enrico Ferrari
- School of Life Sciences, University of Lincoln, Lincoln LN6 7TS, UK.
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23
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Li R, Peng F, Cai J, Yang D, Zhang P. Redox dual-stimuli responsive drug delivery systems for improving tumor-targeting ability and reducing adverse side effects. Asian J Pharm Sci 2020; 15:311-325. [PMID: 32636949 PMCID: PMC7327776 DOI: 10.1016/j.ajps.2019.06.003] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 03/28/2019] [Accepted: 06/20/2019] [Indexed: 01/23/2023] Open
Abstract
Cancer is a big challenge that has plagued the human beings for ages and one of the most effective treatments is chemotherapy. However, the low tumor-targeting ability limits the wide clinical application of chemotherapy. The microenvironment plays a critical role in many aspects of tumor genesis. It generates the tumor vasculature and it is highly implicated in the progression to metastasis. To maintain a suitable environment for tumor progression, there are special microenvironment in tumor cell, such as low pH, high level of glutathione (GSH) and reactive oxygen species (ROS), and more special enzymes, which is different to normal cell. Microenvironment-targeted therapy strategy could create new opportunities for therapeutic targeting. Compared to other targeting strategies, microenvironment-targeted therapy strategy will control the drug release into tumor cells more accurately. Redox responsive drug delivery systems (DDSs) are developed based on the high level of GSH in tumor cells. However, there are also GSH in normal cell though its level is lower. In order to control the release of drugs more accurately and reduce side effects, other drug release stimuli have been introduced to redox responsive DDSs. Under the synergistic reaction of two stimuli, redox dual-stimuli responsive DDSs will control the release of drugs more accurately and quickly and even increase the accumulation. This review summarizes strategies of redox dual-stimuli responsive DDSs such as pH, light, enzyme, ROS, and magnetic guide to delivery chemotherapeutic agents more accurately, aiming at providing new ideas for further promoting the drug release, enhancing tumor-targeting and improving anticancer effects. To better illustrate the redox dual-stimuli responsive DDS, preparations of carriers are also briefly described in the review.
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Affiliation(s)
- Ruirui Li
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Feifei Peng
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Jia Cai
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Dandan Yang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Peng Zhang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
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24
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Zhao J, Pan X, Zhu J, Zhu X. Novel AIEgen-Functionalized Diselenide-Crosslinked Polymer Gels as Fluorescent Probes and Drug Release Carriers. Polymers (Basel) 2020; 12:E551. [PMID: 32138222 PMCID: PMC7182929 DOI: 10.3390/polym12030551] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 02/24/2020] [Accepted: 02/29/2020] [Indexed: 12/15/2022] Open
Abstract
Stimuli-responsive functional gels have shown significant potential for application in biosensing and drug release systems. In this study, aggregation-induced emission luminogen (AIEgen)-functionalized, diselenide-crosslinked polymer gels were synthesized via free radical copolymerization. A series of polymer gels with different crosslink densities or tetraphenylethylene (TPE) contents were synthesized. The diselenide crosslinker in the gels could be fragmented in the presence of H2O2 or dithiothreitol (DTT) due to its redox-responsive property. Thus, the TPE-containing polymer chains were released into the aqueous solution. As a result, the aqueous solution exhibited enhanced fluorescence emission due to the strong hydrophobicity of TPE. The degradation of polymer gels and fluorescence enhancement in an aqueous solution under different H2O2 or DTT concentrations were studied. Furthermore, the polymer gels could be used as drug carriers, suggesting a visual drug release process under the action of external redox agents. The AIEgen-functionalized, diselenide-crosslinked polymer gels hold great potential in the biomedical area for biosensing and controlled drug delivery.
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Affiliation(s)
- Jie Zhao
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China; (J.Z.); (X.Z.)
| | - Xiangqiang Pan
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China; (J.Z.); (X.Z.)
| | - Jian Zhu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China; (J.Z.); (X.Z.)
| | - Xiulin Zhu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China; (J.Z.); (X.Z.)
- Global Institute of Software Technology, Suzhou 215163, China
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25
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Perera MM, Ayres N. Dynamic covalent bonds in self-healing, shape memory, and controllable stiffness hydrogels. Polym Chem 2020. [DOI: 10.1039/c9py01694e] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A review of hydrogels containing dynamic bonds that are shown to provide benefits for applications including self-healing and stimuli-induced stiffness changes.
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Affiliation(s)
- M. Mario Perera
- Department of Chemistry
- The University of Cincinnati
- Cincinnati
- USA
| | - Neil Ayres
- Department of Chemistry
- The University of Cincinnati
- Cincinnati
- USA
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26
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Tian Y, Lei M, Yan L, An F. Diselenide-crosslinked zwitterionic nanogels with dual redox-labile properties for controlled drug release. Polym Chem 2020. [DOI: 10.1039/d0py00004c] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
We developed a diselenide-crosslinked zwitterionic nanogel based on poly(2-methacryloyloxyethyl phosphorylcholine), which has sensitive dual redox-degradability and high colloidal stability.
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Affiliation(s)
- Yefei Tian
- School of Materials Science and Engineering
- Chang'an University
- Xi'an
- P. R. China
| | - Miao Lei
- School of Materials Science and Engineering
- Chang'an University
- Xi'an
- P. R. China
| | - Luke Yan
- School of Materials Science and Engineering
- Chang'an University
- Xi'an
- P. R. China
| | - Feifei An
- Institute of Medical Engineering
- Department of Biophysics
- School of Basic Medical Science
- Health Science Center
- Xi'an Jiaotong University
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27
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Zhou Q, Dong X, Yuan J, Zhang B, Lu S, Wang Q, Liao Y, Yang Y, Wang H. Reversible Redox Switching of Concurrent Luminescence and Visual Color Change Based on Lanthanide Metallogel. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:15344-15351. [PMID: 31663753 DOI: 10.1021/acs.langmuir.9b02828] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The development of reversible redox supramolecular gels capable of concurrent luminescence switch and visible color change with the facile redox process has always been an intriguing challenge. A redox-responsive supramolecular lanthanide metallogel with strong luminescence and yellow color is obtained via coordination interaction between 3,5-dinitrosalicylic acid (DNSA) and europium (Eu3+). Upon the addition of TiO2 to the prepared gel (DNSA/Eu3+ gel), the oxidation process of the gel (DNSA/Eu3+/TiO2 gel) can be easily achieved by UV irradiation. The DNSA/Eu3+/TiO2 gel exhibits a concurrent reversible "on-off" luminescence and color change in response to redox stimuli. The DNSA/Eu3+/TiO2 gel shows a concurrent quench of luminescence and a color change from yellow to red when the gel was stimulated by the reductant. Upon UV irradiation, the luminescence and color of the reduced DNSA/Eu3+/TiO2 gel restored to its initial state due to the strong oxidation ability of hydroxyl radicals derived from photocatalytic oxidation of TiO2. The results of UV-vis and mass spectroscopy indicated that the reversible redox responsiveness of DNSA/Eu3+/TiO2 gel depends on the reversible oxidation-reduction reactions of DNSA. Moreover, DNSA/Eu3+/TiO2 gel remains stable because the morphology of the gel had no change during the redox process. Exemplarily, the application of DNSA/Eu3+/TiO2 gels to achieve luminescent patterning was investigated. The results demonstrated that the prepared metallogel has potential applications in the fields of writable materials, anticounterfeiting, sensors, and others.
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Affiliation(s)
- Qi Zhou
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of the Ministry of Education, School of Chemistry and Chemical Engineering , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Xuelin Dong
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of the Ministry of Education, School of Chemistry and Chemical Engineering , Huazhong University of Science and Technology , Wuhan 430074 , China
- Key Laboratory of Rare Mineral Exploration and Utilization, Ministry of Land and Resources , Geological Experimental Testing Center of Hubei Province , Wuhan 430034 , China
| | - Jianhui Yuan
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of the Ministry of Education, School of Chemistry and Chemical Engineering , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Binbin Zhang
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of the Ministry of Education, School of Chemistry and Chemical Engineering , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Shan Lu
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of the Ministry of Education, School of Chemistry and Chemical Engineering , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Qin Wang
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of the Ministry of Education, School of Chemistry and Chemical Engineering , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Yonggui Liao
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of the Ministry of Education, School of Chemistry and Chemical Engineering , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Yajiang Yang
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of the Ministry of Education, School of Chemistry and Chemical Engineering , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Hong Wang
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of the Ministry of Education, School of Chemistry and Chemical Engineering , Huazhong University of Science and Technology , Wuhan 430074 , China
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28
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Anugrah DSB, Ramesh K, Kim M, Hyun K, Lim KT. Near-infrared light-responsive alginate hydrogels based on diselenide-containing cross-linkage for on demand degradation and drug release. Carbohydr Polym 2019; 223:115070. [DOI: 10.1016/j.carbpol.2019.115070] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 06/11/2019] [Accepted: 07/06/2019] [Indexed: 01/10/2023]
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29
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Qureshi D, Nayak SK, Maji S, Anis A, Kim D, Pal K. Environment sensitive hydrogels for drug delivery applications. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.109220] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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30
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Fan Z, Xu H. Recent Progress in the Biological Applications of Reactive Oxygen Species-Responsive Polymers. POLYM REV 2019. [DOI: 10.1080/15583724.2019.1641515] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Zhiyuan Fan
- Department of Chemistry, Tsinghua University, Key Lab of Organic Optoelectronics and Molecular Engineering, Beijing, P. R. China
| | - Huaping Xu
- Department of Chemistry, Tsinghua University, Key Lab of Organic Optoelectronics and Molecular Engineering, Beijing, P. R. China
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31
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Birhan YS, Hailemeskel BZ, Mekonnen TW, Hanurry EY, Darge HF, Andrgie AT, Chou HY, Lai JY, Hsiue GH, Tsai HC. Fabrication of redox-responsive Bi(mPEG-PLGA)-Se 2 micelles for doxorubicin delivery. Int J Pharm 2019; 567:118486. [PMID: 31260783 DOI: 10.1016/j.ijpharm.2019.118486] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 06/15/2019] [Accepted: 06/28/2019] [Indexed: 12/12/2022]
Abstract
Stimuli-responsive polymeric nanostructures have emerged as potential drug carriers for cancer therapy. Herein, we synthesized redox-responsive diselenide bond containing amphiphilic polymer, Bi(mPEG-PLGA)-Se2 from mPEG-PLGA and 3,3'-diselanediyldipropanoic acid (DSeDPA) using DCC/DMAP as coupling agents. Due to its amphiphilic nature, Bi(mPEG-PLGA)-Se2 self-assembled in to stable micelles in aqueous solution with a hydrodynamic size of 123.9 ± 0.85 nm. The Bi(mPEG-PLGA)-Se2 micelles exhibited DOX-loading content (DLC) of 6.61 wt% and encapsulation efficiency (EE) of 54.9%. The DOX-loaded Bi(mPEG-PLGA)-Se2 micelles released 73.94% and 69.54% of their cargo within 72 h upon treatment with 6 mM GSH and 0.1% H2O2, respectively, at pH 7.4 and 37 °C. The MTT assay results demonstrated that Bi(mPEG-PLGA)-Se2 was devoid of any inherent toxicity and the DOX-loaded micelles showed pronounced antitumor activities against HeLa cells, 44.46% of cells were viable at maximum dose of 7.5 µg/mL. The cellular uptake experiment further confirmed the internalization of DOX-loaded Bi(mPEG-PLGA)-Se2 micelles and endowed redox stimuli triggered drug release in cytosol and nuclei of cancer cells. Overall, the results suggested that the smart, biocompatible Bi(mPEG-PLGA)-Se2 copolymer could serve as potential drug delivery biomaterial for the controlled release of hydrophobic drugs in cancer cells.
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Affiliation(s)
- Yihenew Simegniew Birhan
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC
| | - Balkew Zewge Hailemeskel
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC
| | - Tefera Worku Mekonnen
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC
| | - Endiries Yibru Hanurry
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC
| | - Haile Fentahun Darge
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC
| | - Abegaz Tizazu Andrgie
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC
| | - Hsiao-Ying Chou
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC
| | - Juin-Yih Lai
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC; Advanced Membrane Materials Center, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC; R&D Center for Membrane Technology, Chung Yuan Christian University, Chungli, Taoyuan 320, Taiwan, ROC
| | - Ging-Ho Hsiue
- Department of Chemical Engineering, National Chung Hsing University, Taichung 402, Taiwan, ROC.
| | - Hsieh-Chih Tsai
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC; Advanced Membrane Materials Center, National Taiwan University of Science and Technology, Taipei 106, Taiwan, ROC.
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32
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An X, Lu W, Zhu J, Pan X, Zhu X. Selenol-Based Nucleophilic Reaction for the Preparation of Reactive Oxygen Species-Responsive Amphiphilic Diblock Copolymers. Polymers (Basel) 2019; 11:E827. [PMID: 31071937 PMCID: PMC6572405 DOI: 10.3390/polym11050827] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 04/29/2019] [Accepted: 05/05/2019] [Indexed: 01/28/2023] Open
Abstract
Selenide-containing amphiphilic copolymers have shown significant potential for application in drug release systems. Herein, we present a methodology for the design of a reactive oxygen species-responsive amphiphilic diblock selenide-labeled copolymer. This copolymer with controlled molecular weight and narrow molecular weight distribution was prepared by sequential organoselenium-mediated reversible addition fragmentation chain transfer (Se-RAFT) polymerization and selenol-based nucleophilic reaction. Nuclear magnetic resonance (NMR) and matrix-assisted laser desorption/ionization time-to-flight (MALDI-TOF) techniques were used to characterize its structure. Its corresponding nanomicelles successfully formed through self-assembly from the copolymer itself. Such nanomicelles could rapidly disassemble under oxidative conditions due to the fragmentation of the Se-C bond. Therefore, this type of nanomicelle based on selenide-labeled amphiphilic copolymers potentially provides a new platform for drug delivery.
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Affiliation(s)
- Xiaowei An
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China.
| | - Weihong Lu
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China.
| | - Jian Zhu
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China.
| | - Xiangqiang Pan
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China.
| | - Xiulin Zhu
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China.
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33
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Advances in chemical modifications of starches and their applications. Carbohydr Res 2019; 476:12-35. [DOI: 10.1016/j.carres.2019.02.007] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Revised: 02/10/2019] [Accepted: 02/25/2019] [Indexed: 11/23/2022]
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34
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Nath J, Chowdhury A, Ali I, Dolui SK. Development of a gelatin‐
g
‐poly(acrylic acid‐
co
‐acrylamide)–montmorillonite superabsorbent hydrogels for
in vitro
controlled release of vitamin B
12. J Appl Polym Sci 2019. [DOI: 10.1002/app.47596] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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35
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Kumar BA, Nayak RR. Supramolecular phenoxy-alkyl maleate-based hydrogels and their enzyme/pH-responsive curcumin release. NEW J CHEM 2019. [DOI: 10.1039/c8nj05796f] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Low molecular-weight hydrogelators as stimuli-responsive drug carrier agents in the pharmaceutical field.
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Affiliation(s)
- Bijari Anil Kumar
- Centre for Lipid Science and Technology
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500 007
- India
- Academy of Scientific and Innovative Research
| | - Rati Ranjan Nayak
- Centre for Lipid Science and Technology
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500 007
- India
- Academy of Scientific and Innovative Research
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36
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El-Mohtadi F, d'Arcy R, Tirelli N. Oxidation-Responsive Materials: Biological Rationale, State of the Art, Multiple Responsiveness, and Open Issues. Macromol Rapid Commun 2018; 40:e1800699. [DOI: 10.1002/marc.201800699] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 10/13/2018] [Indexed: 12/27/2022]
Affiliation(s)
- Farah El-Mohtadi
- Division of Pharmacy and Optometry; School of Health Sciences; Faculty of Biology; Medicine, and Health; The University of Manchester; Manchester M13 9PT UK
| | - Richard d'Arcy
- Laboratory of Polymers and Biomaterials; Fondazione Istituto Italiano di Tecnologia; 16163 Genova Italy
| | - Nicola Tirelli
- Division of Pharmacy and Optometry; School of Health Sciences; Faculty of Biology; Medicine, and Health; The University of Manchester; Manchester M13 9PT UK
- Laboratory of Polymers and Biomaterials; Fondazione Istituto Italiano di Tecnologia; 16163 Genova Italy
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37
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Xia J, Li T, Lu C, Xu H. Selenium-Containing Polymers: Perspectives toward Diverse Applications in Both Adaptive and Biomedical Materials. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b01597] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Jiahao Xia
- Key Laboratory of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, People’s Republic of China
| | - Tianyu Li
- Key Laboratory of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, People’s Republic of China
| | - Chenjie Lu
- Key Laboratory of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, People’s Republic of China
| | - Huaping Xu
- Key Laboratory of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, People’s Republic of China
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38
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Li Z, Su S, Yu L, Zheng Z, Wang X. Preparation of a photo- and thermo-responsive topological gel from anthracene-modified polyrotaxanes. SOFT MATTER 2018; 14:2767-2771. [PMID: 29589859 DOI: 10.1039/c8sm00376a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A topological gel was formed from anthracene-modified polyrotaxanes (An-PRs) under UV irradiation, and the gel can turn back to a sol under thermal treatment due to the dimerization between the anthracene units and the dissociation of the formed dimer.
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Affiliation(s)
- Zhao Li
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
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