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Bu Y, Pandit A. Cohesion mechanisms for bioadhesives. Bioact Mater 2022; 13:105-118. [PMID: 35224295 PMCID: PMC8843969 DOI: 10.1016/j.bioactmat.2021.11.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 10/29/2021] [Accepted: 11/03/2021] [Indexed: 02/08/2023] Open
Abstract
Due to the nature of non-invasive wound closure, the ability to close different forms of leaks, and the potential to immobilize various devices, bioadhesives are altering clinical practices. As one of the vital factors, bioadhesives' strength is determined by adhesion and cohesion mechanisms. As well as being essential for adhesion strength, the cohesion mechanism also influences their bulk functions and the way the adhesives can be applied. Although there are many published reports on various adhesion mechanisms, cohesion mechanisms have rarely been addressed. In this review, we have summarized the most used cohesion mechanisms. Furthermore, the relationship of cohesion strategies and adhesion strategies has been discussed, including employing the same functional groups harnessed for adhesion, using combinational approaches, and exploiting different strategies for cohesion mechanism. By providing a comprehensive insight into cohesion strategies, the paper has been integrated to offer a roadmap to facilitate the commercialization of bioadhesives. Bioadhesive are altering clinical practices. Bioadhesives for medical applications needs different cohesion strategies. Better understanding of cohesion mechanism can design suitable bioadhesives.
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Man Z, Sidi L, Xubo Y, Jin Z, Xin H. An in situ catechol functionalized ε-polylysine/polyacrylamide hydrogel formed by hydrogen bonding recombination with high mechanical property for hemostasis. Int J Biol Macromol 2021; 191:714-726. [PMID: 34571130 DOI: 10.1016/j.ijbiomac.2021.09.100] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 10/20/2022]
Abstract
In situ hydrogel has attracted widely attention in hemostasis due to its ability to match irregular defects, but its application is limited by insufficient mechanical strength and long gelation time. Although some specifical in situ chemically cross-linked hydrogels could be fast formed and exhibit high mechanical strength, they unable to absorb blood. Hence their applications were further limited in emergency hemostasis usage. In this study, a robust hydrogel formed by hydration of powders was developed using multiple hydrogen bonds crosslinking. Here, catechol groups modified ε-polylysine (PL-CAT) and polyacrylamide (PAAM) were used to construct the PL-CAT/PAAM hydrogel. This hydrogel could be formed within 7 s to adhere and seal bleeding sites. The catechol groups endowed the hydrogel outstanding adhesive strength, which was 3.5 times of fibrin glue. Besides, the mechanical performance of in-situ PL-CAT/PAAM hydrogel was explored and the results showed that the hydrogel exhibited high compressive strength (0.47 MPa at 85% strain). Most importantly, the blood loss of wound treated with PL-CAT/PAAM hydrogel powders was 1/7 of untreated group, indicating the hydrogel's excellent hemostatic effect. And the cytotoxicity studies indicated that the PL-CAT/PAAM hydrogel had low toxicity. To summarize, this hydrogel could be a potential hemostatic material in emergency situations.
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Affiliation(s)
- Zhang Man
- Tianjin Key Laboratory of Composite and Functional Materials, Tianjin University, Tianjin 300072, China; School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Li Sidi
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, Shandong Province, China
| | - Yuan Xubo
- Tianjin Key Laboratory of Composite and Functional Materials, Tianjin University, Tianjin 300072, China; School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Zhao Jin
- Tianjin Key Laboratory of Composite and Functional Materials, Tianjin University, Tianjin 300072, China; School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China.
| | - Hou Xin
- Tianjin Key Laboratory of Composite and Functional Materials, Tianjin University, Tianjin 300072, China; School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China.
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3
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Patil NA, Kandasubramanian B. Functionalized polylysine biomaterials for advanced medical applications: A review. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2020.110248] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Li S, Chen N, Li Y, Li X, Zhan Q, Ban J, Zhao J, Hou X, Yuan X. Metal-crosslinked ɛ-poly-L-lysine tissue adhesives with high adhesive performance: Inspiration from mussel adhesive environment. Int J Biol Macromol 2019; 153:1251-1261. [PMID: 31778704 DOI: 10.1016/j.ijbiomac.2019.10.257] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 10/10/2019] [Accepted: 10/28/2019] [Indexed: 01/01/2023]
Abstract
Strong glue of mussels has long been considered as an ideal model to design synthetic bio-adhesives but the adhesive strength of metal-crosslinked mussel-inspired glues is not often satisfactory. Herein, inspired by the adhesive environment of mussels, we obtained metal-crosslinked ε-poly-L-lysine adhesives with high adhesive performance by introducing the elements of suitable adhesive environment (SAE) into the adhesives. The elements of SAE were clarified as weak alkaline conditions (pH ∼ 7.4) and low Fe3+ contents. The adhesive strength (∼105 kPa) of the metal-crosslinked adhesives endowed with the elements of SAE (PL-Cat/Fe-SAE) was about 8 times higher than that of fibrin glues. The high adhesive strength was found to originate from distinctive interfacial adhesion and cohesion strength of PL-Cat/Fe-SAE. PL-Cat/Fe-SAE showed strong interfacial adhesion capacity and nearly comparable cohesion strength to those PL-Cat/Fe adhesives with higher Fe3+ contents. The nearly comparable cohesion strength of PL-Cat/Fe-SAE was then found to be due to more amount of stable tris-complex existed in PL-Cat/Fe-SAE. In addition, PL-Cat/Fe-SAE was able to efficiently close the full thickness skin incisions. The study highlighted the importance of introducing SAE elements into the design of tissue adhesives and provided a facile and efficient strategy for constructing tissue adhesives with high adhesive performance.
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Affiliation(s)
- Sidi Li
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
| | - Ning Chen
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
| | - Yang Li
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
| | - Xueping Li
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
| | - Qi Zhan
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
| | - Jiamin Ban
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
| | - Jin Zhao
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China.
| | - Xin Hou
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
| | - Xubo Yuan
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
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Liao Y, He Q, Zhou F, Zhang J, Liang R, Yao X, Bunpetch V, Li J, Zhang S, Ouyang H. Current Intelligent Injectable Hydrogels for In Situ Articular Cartilage Regeneration. POLYM REV 2019. [DOI: 10.1080/15583724.2019.1683028] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Youguo Liao
- Guangxi Collaborative Innovation Center for Biomedicine, Guangxi Medical University, Nanning, Guangxi, China
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
| | - Qiulin He
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
| | - Feifei Zhou
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
| | - Jingwei Zhang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
| | - Renjie Liang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
| | - Xudong Yao
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
- Zhejiang University-University of Edinburgh Institute & School of Basic Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Varitsara Bunpetch
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
| | - Jiajin Li
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
| | - Shufang Zhang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
- China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, China
| | - Hongwei Ouyang
- Guangxi Collaborative Innovation Center for Biomedicine, Guangxi Medical University, Nanning, Guangxi, China
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
- Zhejiang University-University of Edinburgh Institute & School of Basic Medicine, Zhejiang University School of Medicine, Hangzhou, China
- Department of Sports Medicine, Zhejiang University School of Medicine, Hangzhou, China
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Pérez-González GL, Villarreal-Gómez LJ, Serrano-Medina A, Torres-Martínez EJ, Cornejo-Bravo JM. Mucoadhesive electrospun nanofibers for drug delivery systems: applications of polymers and the parameters' roles. Int J Nanomedicine 2019; 14:5271-5285. [PMID: 31409989 PMCID: PMC6643962 DOI: 10.2147/ijn.s193328] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Accepted: 02/11/2019] [Indexed: 12/12/2022] Open
Abstract
Electrospun nanofibers have been widely studied for many medical applications. They can be designed with specific features, including mucoadhesive properties. This review summarizes the polymeric scaffolds obtained by the electrospinning process that has been applied for drug release in different mucosal sites such as oral, ocular, gastroenteric, vaginal, and nasal. We analyzed the electrospinning parameters that have to be optimized to create reproducible and efficient mucoadhesive nanofibers, among them are: electrical field, polymer concentration, viscosity, flow rate, needle-collector distance, solution conductivity, solvent, environmental parameters, and electrospinning setup. We also revised the mucoadhesive theories as well as the mucoadhesive properties of the polymers used. This review shows that the most studied mucosal site is the oral cavity, because it is accessible and easy to evaluate, while the rest are uncomfortable for the patient and difficult to assess in vivo. We found problems that need to be solved for mucoadhesive electrospun nanofibers, such as improving adhesion strength and mucosal permanence time, and the design of unidirectional release, multilayer systems for the treatment of several pathologies, to ensure the drug concentration in the tissue or target organ.
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Affiliation(s)
- Graciela Lizeth Pérez-González
- Escuela de Ciencias de la Ingeniería y Tecnología, Universidad Autónoma de Baja California, Unidad Valle de las Palmas, Tijuana, Baja California, México.,Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418 Parque Industrial Internacional, Tijuana, Baja California 22390, México
| | - Luis Jesús Villarreal-Gómez
- Escuela de Ciencias de la Ingeniería y Tecnología, Universidad Autónoma de Baja California, Unidad Valle de las Palmas, Tijuana, Baja California, México.,Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418 Parque Industrial Internacional, Tijuana, Baja California 22390, México
| | - Aracely Serrano-Medina
- Facultad de Medicina y Psicología, Universidad Autónoma de Baja California, Unidad Otay, Tijuana, Baja California, México
| | - Erick José Torres-Martínez
- Escuela de Ciencias de la Ingeniería y Tecnología, Universidad Autónoma de Baja California, Unidad Valle de las Palmas, Tijuana, Baja California, México.,Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418 Parque Industrial Internacional, Tijuana, Baja California 22390, México
| | - José Manuel Cornejo-Bravo
- Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418 Parque Industrial Internacional, Tijuana, Baja California 22390, México
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Karami P, Wyss CS, Khoushabi A, Schmocker A, Broome M, Moser C, Bourban PE, Pioletti DP. Composite Double-Network Hydrogels To Improve Adhesion on Biological Surfaces. ACS APPLIED MATERIALS & INTERFACES 2018; 10:38692-38699. [PMID: 30335947 DOI: 10.1021/acsami.8b10735] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Despite the development of hydrogels with high mechanical properties, insufficient adhesion between these materials and biological surfaces significantly limits their use in the biomedical field. By controlling toughening processes, we designed a composite double-network hydrogel with ∼90% water content, which creates a dissipative interface and robustly adheres to soft tissues such as cartilage and meniscus. A double-network matrix composed of covalently cross-linked poly(ethylene glycol) dimethacrylate and ionically cross-linked alginate was reinforced with nanofibrillated cellulose. No tissue surface modification was needed to obtain high adhesion properties of the developed hydrogel. Instead, mechanistic principles were used to control interfacial crack propagation. Comparing to commercial tissue adhesives, the integration of the dissipative polymeric network on the soft tissue surfaces allowed a significant increase in the adhesion strength, such as ∼130 kPa for articular cartilage. Our findings highlight the significant role of controlling hydrogel structure and dissipation processes for toughening the interface. This research provides a promising path to the development of highly adhesive hydrogels for tissues repair.
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Affiliation(s)
| | | | | | | | - Martin Broome
- Department of Maxillofacial Surgery , Lausanne University Hospital , CH-1011 Lausanne , Switzerland
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8
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The Chemistry behind Catechol-Based Adhesion. Angew Chem Int Ed Engl 2018; 58:696-714. [DOI: 10.1002/anie.201801063] [Citation(s) in RCA: 325] [Impact Index Per Article: 54.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 03/12/2018] [Indexed: 11/07/2022]
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9
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Saiz-Poseu J, Mancebo-Aracil J, Nador F, Busqué F, Ruiz-Molina D. Die chemischen Grundlagen der Adhäsion von Catechol. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201801063] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- J. Saiz-Poseu
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST; Campus UAB, Bellaterra 08193 Barcelona Spanien
| | - J. Mancebo-Aracil
- Instituto de Química del Sur-INQUISUR (UNS-CONICET); Universidad Nacional del Sur; Av. Alem 1253 8000 Bahía Blanca Buenos Aires Argentinien
| | - F. Nador
- Instituto de Química del Sur-INQUISUR (UNS-CONICET); Universidad Nacional del Sur; Av. Alem 1253 8000 Bahía Blanca Buenos Aires Argentinien
| | - F. Busqué
- Dpto. de Química (Unidad Química Orgánica); UniversidadAutónoma de Barcelona, Edificio C-Facultad de Ciencias; 08193 Cerdanyola del Vallès Barcelona Spanien
| | - D. Ruiz-Molina
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST; Campus UAB, Bellaterra 08193 Barcelona Spanien
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Puertas-Bartolomé M, Vázquez-Lasa B, San Román J. Bioactive and Bioadhesive Catechol Conjugated Polymers for Tissue Regeneration. Polymers (Basel) 2018; 10:polym10070768. [PMID: 30960693 PMCID: PMC6403640 DOI: 10.3390/polym10070768] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 07/03/2018] [Accepted: 07/11/2018] [Indexed: 01/12/2023] Open
Abstract
The effective treatment of chronic wounds constitutes one of the most common worldwide healthcare problem due to the presence of high levels of proteases, free radicals and exudates in the wound, which constantly activate the inflammatory system, avoiding tissue regeneration. In this study, we describe a multifunctional bioactive and resorbable membrane with in-built antioxidant agent catechol for the continuous quenching of free radicals as well as to control inflammatory response, helping to promote the wound-healing process. This natural polyphenol (catechol) is the key molecule responsible for the mechanism of adhesion of mussels providing also the functionalized polymer with bioadhesion in the moist environment of the human body. To reach that goal, synthesized statistical copolymers of N-vinylcaprolactam (V) and 2-hydroxyethyl methacrylate (H) have been conjugated with catechol bearing hydrocaffeic acid (HCA) molecules with high yields. The system has demonstrated good biocompatibility, a sustained antioxidant response, an anti-inflammatory effect, an ultraviolet (UV) screen, and bioadhesion to porcine skin, all of these been key features in the wound-healing process. Therefore, these novel mussel-inspired materials have an enormous potential for application and can act very positively, favoring and promoting the healing effect in chronic wounds.
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Affiliation(s)
- María Puertas-Bartolomé
- Institute of Polymer Science and Technology, ICTP-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain.
- CIBER's Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Health Institute Carlos III, C/Monforte de Lemos 3-5, Pabellón 11, 28029 Madrid, Spain.
| | - Blanca Vázquez-Lasa
- Institute of Polymer Science and Technology, ICTP-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain.
- CIBER's Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Health Institute Carlos III, C/Monforte de Lemos 3-5, Pabellón 11, 28029 Madrid, Spain.
| | - Julio San Román
- Institute of Polymer Science and Technology, ICTP-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain.
- CIBER's Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Health Institute Carlos III, C/Monforte de Lemos 3-5, Pabellón 11, 28029 Madrid, Spain.
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Skin-penetrating polymeric nanoparticles incorporated in silk fibroin hydrogel for topical delivery of curcumin to improve its therapeutic effect on psoriasis mouse model. Colloids Surf B Biointerfaces 2017; 160:704-714. [PMID: 29035818 DOI: 10.1016/j.colsurfb.2017.10.029] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 10/07/2017] [Accepted: 10/09/2017] [Indexed: 11/22/2022]
Abstract
A poor percutaneous penetration capability for most topical anti-inflammatory drugs is one of the main causes compromising their therapeutic effects on psoriatic skin. Even though curcumin has shown a remarkable efficacy in the treatment of psoriasis, its effective penetration through the stratum corneum is still a major challenge during transdermal delivery. The aim of our study was to design skin-permeating nanoparticles (NPs) to facilitate delivery of curcumin to the deeper layers of the skin. A novel amphiphilic polymer, RRR-α-tocopheryl succinate-grafted-ε-polylysine conjugate (VES-g-ε-PLL) was synthesized and self-assembled into polymeric nanoparticles. The nanoparticles of VES-g-ε-PLL exhibiting an ultra-small hydrodynamic diameter (24.4nm) and a positive Zeta potential (19.6mV) provided a strong skin-penetrating ability in vivo. Moreover, curcumin could effectively be encapsulated in the polymeric nanoparticles with a drug loading capacity of 3.49% and an encapsulating efficiency of 78.45%. In order to prolong the retention time of the ultra-small curcumin-loaded nanoparticles (CUR-NPs) in the skin, silk fibroin was used as a hydrogel-based matrix to further facilitate topical delivery of the model drug. In vitro studies showed that CUR-NPs incorporated in silk fibroin hydrogel (CUR-NPs-gel) exhibited a slower release profile of curcumin than the plain CUR-gel, without compromising the skin penetration ability of CUR-NPs. In vivo studies on miquimod-induced psoriatic mice showed that CUR-NPs-gel exhibited a higher therapeutic effect than CUR-NPs as the former demonstrated a more powerful skin-permeating capability and a more effective anti-keratinization process. CUR-NPs-gel was therefore able to inhibit the expression of inflammatory cytokines (TNF-α, NF-κB and IL-6) to a greater extent. In conclusion, the permeable nanoparticle-gel system may be a potential carrier for the topical delivery of lipophilic anti-psoriatic drugs.
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Xu HL, Xu J, Shen BX, Zhang SS, Jin BH, Zhu QY, ZhuGe DL, Wu XQ, Xiao J, Zhao YZ. Dual Regulations of Thermosensitive Heparin-Poloxamer Hydrogel Using ε-Polylysine: Bioadhesivity and Controlled KGF Release for Enhancing Wound Healing of Endometrial Injury. ACS APPLIED MATERIALS & INTERFACES 2017; 9:29580-29594. [PMID: 28809108 DOI: 10.1021/acsami.7b10211] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Hydrogel was not only used as an effective support matrix to prevent intrauterine adhesion after endometrial injury but also served as scaffold to sustain release of some therapeutics, especially growth factor. However, because of the rapid turnover of the endometrial mucus, the poor retention and bad absorption of therapeutic agents in damaged endometrial cavity were two important factors hindering their pharmacologic effect. Herein, a mucoadhesive hydrogel was described by using heparin-modified poloxamer (HP) as the matrix material and ε-polylysine (EPL) as functional excipient. Various EPL-HP hydrogels formulations are screened by rheological evaluation and mucoadhesion studies. It was found that the rheological and mucoadhesive properties of EPL-HP hydrogels were easily controlled by changing the amount of EPL in formulation. The storage modulus of EPL-HP hydrogel with 90 μg/mL of EPL (EPL-HP-90) was elevated to be 1.9 × 105 Pa, in accordance with the adhesion force rising to 3.18 N (10-fold higher than HP hydrogels). Moreover, in vitro release of model drug keratinocyte growth factor (KGF) from EPL-HP hydrogel was significantly accelerated by adding EPL in comparison with HP hydrogel. Both strong mucoadhesive ability and the accelerated drug release behavior for EPL-HP-90 made more of the encapsulated KGF absorbed by the uterus basal layer and endometrial glands after 8 h of administration in uterus cavity. Meanwhile, the morphology of endometrium in the injured uterus was repaired well after 3 d of treatment with KGF-EPL-HP-90 hydrogels. Compared with KGF-HP group, not only proliferation of endometrial epithelial cell and glands but also angiogenesis in the regenerated endometrium was obviously enhanced after treatment with KGF-EPL-HP-90 hydrogels. Alternatively, the cellular apoptosis in the damaged endometrium was significantly inhibited after treatment with KGF-EPL-HP-90 hydrogels. Overall, the mucoadhesive EPL-HP hydrogel with a suitable KGF release profile may be a more promising approach than HP hydrogel alone to repair the injured endometrium.
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Affiliation(s)
- He-Lin Xu
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - Jie Xu
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - Bi-Xin Shen
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - Si-Si Zhang
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - Bing-Hui Jin
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - Qun-Yan Zhu
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - De-Li ZhuGe
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - Xue-Qing Wu
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - Jian Xiao
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
| | - Ying-Zheng Zhao
- Department of Pharmaceutics, School of Pharmaceutical Sciences and ‡First Affiliated Hospital, Wenzhou Medical University , Wenzhou City, Zhejiang Province 325035, China
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Li S, Wang J, Song L, Zhou Y, Zhao J, Hou X, Yuan X. Injectable PAMAM/ODex double-crosslinked hydrogels with high mechanical strength. Biomed Mater 2016; 12:015012. [DOI: 10.1088/1748-605x/12/1/015012] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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14
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Xu HL, Mao KL, Lu CT, Fan ZL, Yang JJ, Xu J, Chen PP, ZhuGe DL, Shen BX, Jin BH, Xiao J, Zhao YZ. An injectable acellular matrix scaffold with absorbable permeable nanoparticles improves the therapeutic effects of docetaxel on glioblastoma. Biomaterials 2016; 107:44-60. [PMID: 27614158 DOI: 10.1016/j.biomaterials.2016.08.026] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 08/13/2016] [Accepted: 08/16/2016] [Indexed: 10/21/2022]
Abstract
Intratumoral drug delivery (IT) is an inherently appealing approach for concentrating toxic chemotherapies at the site of action. However, for most chemotherapies, poor tumor penetration and short retention at the administration site limit their anti-tumor effects. In this work, we describe permeable nanoparticles (NPs) prepared with a novel amphiphilic polymer, RRR-α-tocopheryl succinate-grafted-ε-polylysine conjugate (VES-g-ε-PLL). The nanoparticles (NPs) of VES-g-ε-PLL exhibited an ultra-small hydrodynamic diameter (20.8 nm) and positive zeta potential (20.6 mV), which facilitate strong glioma spheroid penetration ability in vitro. Additionally, the hydrophobic model drug docetaxel (DTX) could be effectively encapsulated in the nanoparticles with 3.99% drug loading and 73.37% encapsulation efficiency. To prolong the retention time of DTX-loaded nanoparticles (DTX-NPs) in the tumor, intact decellularized brain extracellular matrix (dBECM) derived from healthy rats was used as a drug depot to adsorb the ultra-small DTX-NPs. The intact DTX-NPs-adsorbing dBECM scaffold was further homogenized into an injectable DTX-NPs-dBECM suspension for intratumoral administration. The DTX-NPs-dBECM suspension exhibited slower DTX release than naked DTX-NPs without compromising the tumor penetration ability of DTX-NPs. An antitumor study showed that the DTX-NPs-dBECM suspension exhibited more powerful in vitro inhibition of tumor spheroid growth than free DTX solution or DTX-NPs. Due to strong tumor penetration ability and prolonged retention, DTX-NPs-dBECM led to complete suppression of glioma growth in vivo at 28 days after treatment. The therapeutic mechanism was due to enhanced proliferation inhibition and apoptosis of tumor cells and angiogenesis inhibition of glioma after treatment with DTX-NPs-dBECM. Finally, the safety of DTX-NPs-dBECM at the therapeutic dose was demonstrated via pathological HE assay from heart, liver, spleen, lung and kidney tissues. In conclusion, permeable nanoparticle-absorbing dBECM is a potential carrier for intratumoral delivery of common chemotherapeutics.
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Affiliation(s)
- He-Lin Xu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang Province 325035, China
| | - Kai-Li Mao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang Province 325035, China
| | - Cui-Tao Lu
- The Second Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province 325035, China.
| | - Zi-Liang Fan
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang Province 325035, China
| | - Jing-Jing Yang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang Province 325035, China
| | - Jie Xu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang Province 325035, China
| | - Pian-Pian Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang Province 325035, China
| | - De-Li ZhuGe
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang Province 325035, China
| | - Bi-Xin Shen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang Province 325035, China
| | - Bing-Hui Jin
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang Province 325035, China
| | - Jian Xiao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang Province 325035, China.
| | - Ying-Zheng Zhao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang Province 325035, China; The Second Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province 325035, China.
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