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Ghosh A, Bera AK, Singh V, Basu S, Pati F. Bioprinting of anisotropic functional corneal stroma using mechanically robust multi-material bioink based on decellularized cornea matrix. BIOMATERIALS ADVANCES 2024; 165:214007. [PMID: 39216318 DOI: 10.1016/j.bioadv.2024.214007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 07/08/2024] [Accepted: 08/23/2024] [Indexed: 09/04/2024]
Abstract
Corneal scarring is a common cause of blindness, affecting millions globally each year. A huge gap between the demand and supply of donor tissue currently limits corneal transplantation, the only definitive therapy for patients with corneal scarring. To overcome this challenge, researchers have harnessed the efficacy of 3D bioprinting to fabricate artificial corneal stromal constructs. With all the different bioinks available, the decellularized corneal matrix-based bioprinted construct can fulfill the required biological functionality but is limited by the lack of mechanical stiffness. Additionally, from a biophysical standpoint, it is necessary for an ideal corneal substitute to mimic the anisotropy of the cornea from the central optic zone to the surrounding periphery. In this study, we enhanced the mechanical robustness of decellularized cornea matrix (DCM) hydrogel by blending it with another natural polymer, sonicated silk fibroin solution in a defined ratio. Although hybrid hydrogel has an increased complex modulus than DCM hydrogel, it has a lower in vitro degradation rate and increased opaqueness due to the presence of crystalline beta-sheet conformation within the hydrogel. Therefore, we used this multi-material bioink-based approach to fabricate a corneal stromal equivalent where the outer peripheral corneal rim was printed with a mechanically robust polymeric blend of DCM and sonicated silk fibroin and the central optic zone was printed with only DCM. The bioprinted corneal stroma thus maintained its structural integrity and did not break when lifted with forceps. The two different bioinks were encapsulated with human limbus-derived mesenchymal stem cells (hLMSC) individually and 3D bioprinted in different patterns (concentric and parallel) to attain a native-like structure in terms of architecture and transparency. Thus, the bilayer cornea constructs maintained high cell viability and expressed keratocyte core proteins indicating optimal functionality. This approach helped to gain insight into bioprinting corneas with heterogeneous mechanical property without disturbing the structural clarity of the central optic zone.
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Affiliation(s)
- Anwesha Ghosh
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502284, Telangana, India
| | - Ashis Kumar Bera
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502284, Telangana, India
| | - Vivek Singh
- Centre Ocular Regeneration, Prof. Brien Holden Eye Research Centre L.V. Prasad Eye Institute, Hyderabad 500034, Telangana, India
| | - Sayan Basu
- Centre Ocular Regeneration, Prof. Brien Holden Eye Research Centre L.V. Prasad Eye Institute, Hyderabad 500034, Telangana, India
| | - Falguni Pati
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502284, Telangana, India.
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Wang W, Sun Z, Xiao Y, Wang M, Wang J, Guo C. Silk acid-tyramine hydrogels with rapid gelation properties for 3D cell culture. Acta Biomater 2024; 187:138-148. [PMID: 39197566 DOI: 10.1016/j.actbio.2024.08.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 08/09/2024] [Accepted: 08/16/2024] [Indexed: 09/01/2024]
Abstract
Silk fibroin (SF) can be enzymatically crosslinked through tyrosine residues to fabricate hydrogels with good biocompatibility and tunable mechanical properties. Using tyramine substitution can increase the phenolic group content to facilitate the gelation kinetics and mechanical properties. In this study, a two-step chemical modification method is demonstrated to synthesize silk acid-tyramine (SA-TA) conjugates with a high phenolic group content (>7 mol%). The SA-TA shows rapid enzyme-catalyzed gelation property where the sol-gel transition takes less than 10 s at 37 °C, allowing cell encapsulation with uniform distribution while maintaining high cell viability (>90 %). Furthermore, the enzyme-catalyzed SA-TA hydrogels show enhanced storage modulus than enzyme-catalyzed SF hydrogels, long-term stability, and good cytocompatibility, indicating their great potential in 3D cell culture. The in vivo implantation study demonstrates that the SA-TA hydrogels are biodegradable with a mild immune response. This implies that SA-TA hydrogels can be applied in various medical applications, such as tissue engineering, cell delivery, and 3D bioprinting. STATEMENT OF SIGNIFICANCE: In this study, a two-step chemical modification method is demonstrated to synthesize silk acid-tyramine (SA-TA) conjugates with a high phenolic group content (>7 mol%). Owing to the increased content of the phenolic group, the SA-TA shows rapid enzyme-catalyzed gelation property where the sol-gel transition takes less than 10 s at 37 °C, allowing cell encapsulation with uniform distribution while maintaining high cell viability (>90 %). Furthermore, the enzyme-catalyzed SA-TA hydrogels show enhanced storage modulus than enzyme-catalyzed SF hydrogels, long-term stability, and good cytocompatibility, indicating their great potential in 3D cell culture. The in vivo implantation study demonstrates that the SA-TA hydrogels are biodegradable with a mild immune response. This implies that SA-TA hydrogels can be applied in various medical applications, such as tissue engineering, cell delivery, and 3D bioprinting.
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Affiliation(s)
- Wenzhao Wang
- Department of Materials Science, Fudan University, Shanghai 200433, China; School of Engineering, Westlake University, Hangzhou, Zhejiang 310023, China
| | - Ziyang Sun
- School of Engineering, Westlake University, Hangzhou, Zhejiang 310023, China
| | - Yixiao Xiao
- School of Engineering, Westlake University, Hangzhou, Zhejiang 310023, China
| | - Min Wang
- School of Engineering, Westlake University, Hangzhou, Zhejiang 310023, China
| | - Jiaqi Wang
- Department of Materials Science, Fudan University, Shanghai 200433, China; School of Engineering, Westlake University, Hangzhou, Zhejiang 310023, China
| | - Chengchen Guo
- School of Engineering, Westlake University, Hangzhou, Zhejiang 310023, China; Research Center for Industries of the Future, Westlake University, Hangzhou, Zhejiang 310030, China; Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, Zhejiang 310024, China.
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3
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Li D, Liang R, Wang Y, Zhou Y, Cai W. Preparation of silk fibroin-derived hydrogels and applications in skin regeneration. Health Sci Rep 2024; 7:e2295. [PMID: 39139463 PMCID: PMC11319407 DOI: 10.1002/hsr2.2295] [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: 02/26/2024] [Revised: 07/18/2024] [Accepted: 07/23/2024] [Indexed: 08/15/2024] Open
Abstract
Purpose To compare different methods of preparing silk fibroin hydrogels, then summarize the applications of silk fibroin hydrogel-based scaffolds in skin regeneration and finally discuss about future prospects to inspire people interested in this field. Methods A narrative review of the relevant papers was conducted. Notably, for applications in skin regeneration, this review provides a categorized summary and discussion of studies from the past decade. Results Silk fibroin is a naturally occurring, biocompatible biomaterial that is easily producible. Thanks to its exceptional processability, silk fibroin has found diverse applications in skin regeneration. These applications encompass sponges, fiber fabrics, thin films, and hydrogels. Hydrogels, in particular, are noteworthy due to their water-containing network structure, closely resembling natural tissues. They provide a biomimetic three-dimensional growth environment for cells and have the capacity to incorporate growth factors. Consequently, there are abundant studies of silk fibroin hydrogel-based scaffolds in skin regeneration. Besides, some commercialized medical devices are also made of silk fibroin. Conclusion Silk fibroin hydrogel could be prepared with multiple methods and it is widely used in constructing scaffolds for efficient skin regeneration. In the future, silk fibroin hydrogel-based skin scaffolds could be more biomimetic and smart.
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Affiliation(s)
- Dipeng Li
- Hangzhou Ninth People's HospitalHangzhouChina
| | - Renjie Liang
- Department of Sports MedicineZhejiang University School of MedicineHangzhouChina
- Hangzhou Singclean Medical Products Co. Ltd.HangzhouChina
| | - Yirong Wang
- Hangzhou Ninth People's HospitalHangzhouChina
- Hangzhou Singclean Medical Products Co. Ltd.HangzhouChina
| | | | - Weibang Cai
- Hangzhou Singclean Medical Products Co. Ltd.HangzhouChina
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Libera V, Malaspina R, Bittolo Bon S, Cardinali MA, Chiesa I, De Maria C, Paciaroni A, Petrillo C, Comez L, Sassi P, Valentini L. Conformational transitions in redissolved silk fibroin films and application for printable self-powered multistate resistive memory biomaterials. RSC Adv 2024; 14:22393-22402. [PMID: 39010927 PMCID: PMC11248567 DOI: 10.1039/d4ra02830a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Accepted: 07/09/2024] [Indexed: 07/17/2024] Open
Abstract
3D printing of water stable proteins with elastic properties offers a broad range of applications including self-powered biomedical devices driven by piezoelectric biomaterials. Here, we present a study on water-soluble silk fibroin (SF) films. These films were prepared by mixing degummed silk fibers and calcium chloride (CaCl2) in formic acid, resulting in a silk I-like conformation, which was then converted into silk II by redissolving in phosphate buffer (PBS). Circular dichroism, Raman and infrared (IR) spectroscopies were used to investigate the transitions of secondary structure in silk I and silk II as the pH of the solvent and the sonication time were changed. We showed that a solvent with low pH (e.g. 4) maintains the silk I β-turn structure; in contrast solvent with higher pH (e.g. 7.4) promotes β-sheet features of silk II. Ultrasonic treatment facilitates the transition to water stable silk II only for the SF redissolved in PBS. SF from pH 7.4 solution has been printed using extrusion-based 3D printing. A self-powered memristor was realized, comprising an SF-based electric generator and an SF 3D-printed memristive unit connected in series. By exploiting the piezoelectric properties of silk II with higher β-sheet content and Ca2+ ion transport phenomena, the application of an input voltage driven by a SF generator to SF 3D printed holey structures induces a variation from an initial low resistance state (LRS) to a high resistance state (HRS) that recovers in a few minutes, mimicking the transient memory, also known as short-term memory. Thanks to this holistic approach, these findings can contribute to the development of self-powered neuromorphic networks based on biomaterials with memory capabilities.
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Affiliation(s)
- Valeria Libera
- Dipartimento di Fisica e Geologia, Università degli Studi di Perugia Via A. Pascoli 06123 Perugia Italy
| | - Rocco Malaspina
- Dipartimento di Fisica e Geologia, Università degli Studi di Perugia Via A. Pascoli 06123 Perugia Italy
| | - Silvia Bittolo Bon
- Dipartimento di Fisica e Geologia, Università degli Studi di Perugia Via A. Pascoli 06123 Perugia Italy
| | - Martina Alunni Cardinali
- Department of Chemistry, Biology and Biotechnology, University of Perugia Via Elce di Sotto 8 06123 Perugia Italy
| | - Irene Chiesa
- Department of Ingegneria dell'Informazione, Research Center E. Piaggio, University of Pisa Largo Lucio Lazzarino 1 Pisa 56122 Italy
| | - Carmelo De Maria
- Department of Ingegneria dell'Informazione, Research Center E. Piaggio, University of Pisa Largo Lucio Lazzarino 1 Pisa 56122 Italy
| | - Alessandro Paciaroni
- Dipartimento di Fisica e Geologia, Università degli Studi di Perugia Via A. Pascoli 06123 Perugia Italy
| | - Caterina Petrillo
- Dipartimento di Fisica e Geologia, Università degli Studi di Perugia Via A. Pascoli 06123 Perugia Italy
| | - Lucia Comez
- CNR-IOM - Istituto Officina dei Materiali, National Research Council of Italy Via Alessandro Pascoli 06123 Perugia Italy
| | - Paola Sassi
- Department of Chemistry, Biology and Biotechnology, University of Perugia Via Elce di Sotto 8 06123 Perugia Italy
| | - Luca Valentini
- Civil and Environmental Engineering Department, INSTM Research Unit, University of Perugia Strada di Pentima 8 05100 Terni Italy
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Qu N, Song K, Ji Y, Liu M, Chen L, Lee RJ, Teng L. Albumin Nanoparticle-Based Drug Delivery Systems. Int J Nanomedicine 2024; 19:6945-6980. [PMID: 39005962 PMCID: PMC11246635 DOI: 10.2147/ijn.s467876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Accepted: 05/28/2024] [Indexed: 07/16/2024] Open
Abstract
Nanoparticle-based systems are extensively investigated for drug delivery. Among others, with superior biocompatibility and enhanced targeting capacity, albumin appears to be a promising carrier for drug delivery. Albumin nanoparticles are highly favored in many disease therapies, as they have the proper chemical groups for modification, cell-binding sites for cell adhesion, and affinity to protein drugs for nanocomplex generation. Herein, this review summarizes the recent fabrication techniques, modification strategies, and application of albumin nanoparticles. We first discuss various albumin nanoparticle fabrication methods, from both pros and cons. Then, we provide a comprehensive introduction to the modification section, including organic albumin nanoparticles, metal albumin nanoparticles, inorganic albumin nanoparticles, and albumin nanoparticle-based hybrids. We finally bring further perspectives on albumin nanoparticles used for various critical diseases.
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Affiliation(s)
- Na Qu
- School of Pharmacy, Liaoning University, Shenyang, 110036, People's Republic of China
| | - Ke Song
- MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, 6229 ER, the Netherlands
| | - Yating Ji
- School of Pharmacy, Liaoning University, Shenyang, 110036, People's Republic of China
| | - Mingxia Liu
- School of Pharmacy, Liaoning University, Shenyang, 110036, People's Republic of China
| | - Lijiang Chen
- School of Pharmacy, Liaoning University, Shenyang, 110036, People's Republic of China
| | - Robert J Lee
- School of Life Sciences, Jilin University, Changchun, 130023, People's Republic of China
- College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA
| | - Lesheng Teng
- School of Life Sciences, Jilin University, Changchun, 130023, People's Republic of China
- State Key Laboratory of Long-Acting and Targeting Drug Delivery System, Yantai, 264000, People's Republic of China
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6
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Nawaz T, Gu L, Gibbons J, Hu Z, Zhou R. Bridging Nature and Engineering: Protein-Derived Materials for Bio-Inspired Applications. Biomimetics (Basel) 2024; 9:373. [PMID: 38921253 PMCID: PMC11201842 DOI: 10.3390/biomimetics9060373] [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: 04/28/2024] [Revised: 06/11/2024] [Accepted: 06/13/2024] [Indexed: 06/27/2024] Open
Abstract
The sophisticated, elegant protein-polymers designed by nature can serve as inspiration to redesign and biomanufacture protein-based materials using synthetic biology. Historically, petro-based polymeric materials have dominated industrial activities, consequently transforming our way of living. While this benefits humans, the fabrication and disposal of these materials causes environmental sustainability challenges. Fortunately, protein-based biopolymers can compete with and potentially surpass the performance of petro-based polymers because they can be biologically produced and degraded in an environmentally friendly fashion. This paper reviews four groups of protein-based polymers, including fibrous proteins (collagen, silk fibroin, fibrillin, and keratin), elastomeric proteins (elastin, resilin, and wheat glutenin), adhesive/matrix proteins (spongin and conchiolin), and cyanophycin. We discuss the connection between protein sequence, structure, function, and biomimetic applications. Protein engineering techniques, such as directed evolution and rational design, can be used to improve the functionality of natural protein-based materials. For example, the inclusion of specific protein domains, particularly those observed in structural proteins, such as silk and collagen, enables the creation of novel biomimetic materials with exceptional mechanical properties and adaptability. This review also discusses recent advancements in the production and application of new protein-based materials through the approach of synthetic biology combined biomimetics, providing insight for future research and development of cutting-edge bio-inspired products. Protein-based polymers that utilize nature's designs as a base, then modified by advancements at the intersection of biology and engineering, may provide mankind with more sustainable products.
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Affiliation(s)
- Taufiq Nawaz
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD 57007, USA;
| | - Liping Gu
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD 57007, USA;
| | | | - Zhong Hu
- Department of Mechanical Engineering, South Dakota State University, Brookings, SD 57007, USA;
| | - Ruanbao Zhou
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD 57007, USA;
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Huang R, Hua J, Ru M, Yu M, Wang L, Huang Y, Yan S, Zhang Q, Xu W. Superb Silk Hydrogels with High Adaptability, Bioactivity, and Versatility Enabled by Photo-Cross-Linking. ACS NANO 2024; 18:15312-15325. [PMID: 38809601 DOI: 10.1021/acsnano.4c05017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
The exceptional biocompatibility and adaptability of hydrogels have garnered significant interest in the biomedical field for the fabrication of biomedical devices. However, conventional synthetic hydrogels still exhibit relatively weak and fragile properties. Drawing inspiration from the photosynthesis process, we developed a facile approach to achieve a harmonious combination of superior mechanical properties and efficient preparation of silk fibroin hydrogel through photo-cross-linking technology, accomplished within 60 s. The utilization of riboflavin and H2O2 enabled a sustainable cyclic photo-cross-linking reaction, facilitating the transformation from tyrosine to dityrosine and ultimately contributing to the formation of highly cross-linked hydrogels. These photo-cross-linking hydrogels exhibited excellent elasticity and restorability even after undergoing 1000 cycles of compression. Importantly, our findings presented that hydrogel-encapsulated adipose stem cells possess the ability to stimulate cell proliferation along with stem cell stemness. This was evidenced by the continuous high expression levels of OCT4 and SOX2 over 21 days. Additionally, the utilization of photo-cross-linking hydrogels can be extended to various material molding platforms, including microneedles, microcarriers, and bone screws. Consequently, this study offered a significant approach to fabricating biomedical hydrogels capable of facilitating real-time cell delivery, thereby introducing an innovative avenue for designing silk devices with exceptional machinability and adaptability in biomedical applications.
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Affiliation(s)
- Renyan Huang
- State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Jiahui Hua
- State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Min Ru
- State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Meng Yu
- State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Lu Wang
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, School and Hospital of Stomatology, Shanxi Medical University, Taiyuan 030001, China
| | - Ying Huang
- State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Shuqin Yan
- State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Qiang Zhang
- State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Weilin Xu
- State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China
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Li X, Li Y, Zhang X, Xu J, Kang J, Li B, Zhao B, Wang L. Cross-Linking Methods of the Silk Protein Hydrogel in Oral and Craniomaxillofacial Tissue Regeneration. Tissue Eng Regen Med 2024; 21:529-544. [PMID: 38294593 PMCID: PMC11087422 DOI: 10.1007/s13770-023-00624-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 12/16/2023] [Accepted: 12/17/2023] [Indexed: 02/01/2024] Open
Abstract
BACKGROUND Craniomaxillofacial tissue defects are clinical defects involving craniomaxillofacial and oral soft and hard tissues. They are characterized by defect-shaped irregularities, bacterial and inflammatory environments, and the need for functional recovery. Conventional clinical treatments are currently unable to achieve regeneration of high-quality oral craniomaxillofacial tissue. As a natural biomaterial, silk fibroin (SF) has been widely studied in biomedicine and has broad prospects for use in tissue regeneration. Hydrogels made of SF showed excellent water retention, biocompatibility, safety and the ability to combine with other materials. METHODS To gain an in-depth understanding of the current development of SF, this article reviews the structure, preparation and application prospects in oral and craniomaxillofacial tissue regenerative medicine. It first briefly introduces the structure of SF and then summarizes the principles, advantages and disadvantages of the different cross-linking methods (physical cross-linking, chemical cross-linking and double network structure) of SF. Finally, the existing research on the use of SF in tissue engineering and the prospects of using SF with different cross-linking methods in oral and craniomaxillofacial tissue regeneration are also discussed. CONCLUSIONS This review is intended to show the advantages of SF hydrogels in tissue engineering and provides theoretical support for establishing novel and viable silk protein hydrogels for regeneration.
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Affiliation(s)
- Xiujuan Li
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, 030001, Shanxi, China
| | - Yuanjiao Li
- School of Medical Sciences, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Xinsong Zhang
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, 030001, Shanxi, China
| | - Jie Xu
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, 030001, Shanxi, China
| | - Jie Kang
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, 030001, Shanxi, China
| | - Bing Li
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, 030001, Shanxi, China
| | - Bin Zhao
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, 030001, Shanxi, China.
| | - Lu Wang
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, 030001, Shanxi, China.
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Dixit A, Mahajan A, Saxena R, Chakraborty S, Katti DS. Engineering sulfated polysaccharides and silk fibroin based injectable IPN hydrogels with stiffening and growth factor presentation abilities for cartilage tissue engineering. Biomater Sci 2024; 12:2067-2085. [PMID: 38470831 DOI: 10.1039/d3bm01466e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
The extracellular matrix (ECM) presents a framework for various biological cues and regulates homeostasis during both developing and mature stages of tissues. During development of cartilage, the ECM plays a critical role in endowing both biophysical and biochemical cues to the progenitor cells. Hence, designing microenvironments that recapitulate these biological cues as provided by the ECM during development may facilitate the engineering of cartilage tissue. In the present study, we fabricated an injectable interpenetrating hydrogel (IPN) system which serves as an artificial ECM and provides chondro-inductive niches for the differentiation of stem cells to chondrocytes. The hydrogel was designed to replicate the gradual stiffening (as a biophysical cue) and the presentation of growth factors (as a biochemical cue) as provided by the natural ECM of the tissue, thus exemplifying a biomimetic approach. This dynamic stiffening was achieved by incorporating silk fibroin, while the growth factor presentation was accomplished using sulfated-carboxymethyl cellulose. Silk fibroin and sulfated-carboxymethyl cellulose (s-CMC) were combined with tyraminated-carboxymethyl cellulose (t-CMC) and crosslinked using HRP/H2O2 to fabricate s-CMC/t-CMC/silk IPN hydrogels. Initially, the fabricated hydrogel imparted a soft microenvironment to promote chondrogenic differentiation, and with time it gradually stiffened to offer mechanical support to the joint. Additionally, the presence of s-CMC conferred the hydrogel with the property of sequestering cationic growth factors such as TGF-β and allowing their prolonged presentation to the cells. More importantly, TGF-β loaded in the developed hydrogel system remained active and induced chondrogenic differentiation of stem cells, resulting in the deposition of cartilage ECM components which was comparable to the hydrogels that were treated with TGF-β provided through media. Overall, the developed hydrogel system acts as a reservoir of the necessary biological cues for cartilage regeneration and simultaneously provides mechanical support for load-bearing tissues such as cartilage.
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Affiliation(s)
- Akansha Dixit
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology-Kanpur, Kanpur-208016, Uttar Pradesh, India.
- The Mehta Family Centre for Engineering in Medicine, Indian Institute of Technology-Kanpur, Kanpur-208016, Uttar Pradesh, India
| | - Aman Mahajan
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology-Kanpur, Kanpur-208016, Uttar Pradesh, India.
- The Mehta Family Centre for Engineering in Medicine, Indian Institute of Technology-Kanpur, Kanpur-208016, Uttar Pradesh, India
| | - Rakshita Saxena
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology-Kanpur, Kanpur-208016, Uttar Pradesh, India.
- The Mehta Family Centre for Engineering in Medicine, Indian Institute of Technology-Kanpur, Kanpur-208016, Uttar Pradesh, India
| | - Saptomee Chakraborty
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology-Kanpur, Kanpur-208016, Uttar Pradesh, India.
- The Mehta Family Centre for Engineering in Medicine, Indian Institute of Technology-Kanpur, Kanpur-208016, Uttar Pradesh, India
| | - Dhirendra S Katti
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology-Kanpur, Kanpur-208016, Uttar Pradesh, India.
- The Mehta Family Centre for Engineering in Medicine, Indian Institute of Technology-Kanpur, Kanpur-208016, Uttar Pradesh, India
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Jeencham R, Sinna J, Ruksakulpiwat C, Tawonsawatruk T, Numpaisal PO, Ruksakulpiwat Y. Development of Biphasic Injectable Hydrogels for Meniscus Scaffold from Photocrosslinked Glycidyl Methacrylate-Modified Poly(Vinyl Alcohol)/Glycidyl Methacrylate-Modified Silk Fibroin. Polymers (Basel) 2024; 16:1093. [PMID: 38675012 PMCID: PMC11055166 DOI: 10.3390/polym16081093] [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: 03/19/2024] [Revised: 04/07/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024] Open
Abstract
The development of a hydrogel material with a modified chemical structure of poly(vinyl alcohol) (PVA) and silk fibroin (SF) using glycidyl methacrylate (GMA) (denoted as PVA-g-GMA and SF-g-GMA) is an innovative approach in the field of biomaterials and meniscus tissue engineering in this study. The PVA-g-GMA/SF-g-GMA hydrogel was fabricated using different ratios of PVA-g-GMA to SF-g-GMA: 100/0, 75/25, 50/50, 25/75, and 0/100 (w/w of dry substances), using lithium phenyl (2,4,6-trimethylbenzoyl)phosphinate (LAP) as a free radical photoinitiator, for 10 min at a low ultraviolet (UV) intensity (365 nm, 6 mW/cm2). The mechanical properties, morphology, pore size, and biodegradability of the PVA-g-GMA/SF-g-GMA hydrogel were investigated. Finally, for clinical application, human chondrocyte cell lines (HCPCs) were mixed into PVA-g-GMA/SF-g-GMA solutions and fabricated into hydrogel to study the viability of live and dead cells and gene expression. The results indicate that as the SF-g-GMA content increased, the compressive modulus of the PVA-g-GMA/SF-g-GMA hydrogel dropped from approximately 173 to 11 kPa. The degradation rates of PVA-g-GMA/SF-g-GMA 100/0, 75/25, and 50/50 reached up to 15.61%, 17.23%, and 18.93% in 4 months, respectively. In all PVA-g-GMA/SF-g-GMA conditions on day 7, chondrocyte cell vitality exceeded 80%. The PVA-g-GMA/SF-g-GMA 75:25 and 50:50 hydrogels hold promise as a biomimetic biphasic injectable hydrogel for encapsulated augmentation, offering advantages in terms of rapid photocurability, tunable mechanical properties, favorable biological responses, and controlled degradation.
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Affiliation(s)
- Rachasit Jeencham
- Research Center for Biocomposite Materials for Medical Industry and Agricultural and Food Industry, Nakhon Ratchasima 30000, Thailand; (R.J.); (J.S.); (C.R.)
- Institute of Research and Development, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Jiraporn Sinna
- Research Center for Biocomposite Materials for Medical Industry and Agricultural and Food Industry, Nakhon Ratchasima 30000, Thailand; (R.J.); (J.S.); (C.R.)
- School of Polymer Engineering, Institute of Engineering, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Chaiwat Ruksakulpiwat
- Research Center for Biocomposite Materials for Medical Industry and Agricultural and Food Industry, Nakhon Ratchasima 30000, Thailand; (R.J.); (J.S.); (C.R.)
- School of Polymer Engineering, Institute of Engineering, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Tulyapruek Tawonsawatruk
- Department of Orthopedics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand;
| | - Piya-on Numpaisal
- Research Center for Biocomposite Materials for Medical Industry and Agricultural and Food Industry, Nakhon Ratchasima 30000, Thailand; (R.J.); (J.S.); (C.R.)
- School of Orthopaedics, Institute of Medicine, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Yupaporn Ruksakulpiwat
- Research Center for Biocomposite Materials for Medical Industry and Agricultural and Food Industry, Nakhon Ratchasima 30000, Thailand; (R.J.); (J.S.); (C.R.)
- School of Polymer Engineering, Institute of Engineering, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
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11
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Song P, Gui X, Wu L, Su X, Zhou W, Luo Z, Zhang B, Feng P, Wei W, Fan C, Wu Y, Zeng W, Zhou C, Fan Y, Zhou Z. DLP Fabrication of Multiple Hierarchical Biomimetic GelMA/SilMA/HAp Scaffolds for Enhancing Bone Regeneration. Biomacromolecules 2024; 25:1871-1886. [PMID: 38324764 DOI: 10.1021/acs.biomac.3c01318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Severe bone defects resulting from trauma and diseases remain a persistent clinical challenge. In this study, a hierarchical biomimetic microporous hydrogel composite scaffold was constructed by mimicking the hierarchical structure of bone. Initially, gelatin methacrylamide (GelMA) and methacrylic anhydride silk fibroin (SilMA) were synthesized, and GelMA/SilMA inks with suitable rheological and mechanical properties were prepared. Biomimetic micropores were then generated by using an aqueous two-phase emulsification method. Subsequently, biomimetic microporous GelMA/SilMA was mixed with hydroxyapatite (HAp) to prepare biomimetic microporous GelMA/SilMA/HAp ink. Hierarchical biomimetic microporous GelMA/SilMA/HAp (M-GSH) scaffolds were then fabricated through digital light processing (DLP) 3D printing. Finally, in vitro experiments were conducted to investigate cell adhesion, proliferation, and inward migration as well as osteogenic differentiation and vascular regeneration effects. In vivo experiments indicated that the biomimetic microporous scaffold significantly promoted tissue integration and bone regeneration after 12 weeks of implantation, achieving 42.39% bone volume fraction regeneration. In summary, this hierarchical biomimetic microporous scaffold provides a promising strategy for the repair and treatment of bone defects.
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Affiliation(s)
- Ping Song
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, China
| | - Xingyu Gui
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, China
| | - Lina Wu
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, China
| | - Xinyu Su
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, China
| | - Wenzheng Zhou
- Department of Orthopaedics, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi 830001, China
| | - Zeyu Luo
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Boqing Zhang
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, China
| | - Pin Feng
- Hospital of Chengdu Office of People's Government of Tibetan Autonomous Region (Hospital.C.T.), Chengdu 610041, China
| | - Wei Wei
- Department of Emergency, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Chen Fan
- Hospital of Chengdu Office of People's Government of Tibetan Autonomous Region (Hospital.C.T.), Chengdu 610041, China
| | - Yunhong Wu
- Hospital of Chengdu Office of People's Government of Tibetan Autonomous Region (Hospital.C.T.), Chengdu 610041, China
| | - Weinan Zeng
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Changchun Zhou
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, China
| | - Yujiang Fan
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, China
| | - Zongke Zhou
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China
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12
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Promsuk J, Manissorn J, Laomeephol C, Luckanagul JA, Methachittipan A, Tonsomboon K, Jenjob R, Yang SG, Thongnuek P, Wangkanont K. Optimizing protein delivery rate from silk fibroin hydrogel using silk fibroin-mimetic peptides conjugation. Sci Rep 2024; 14:4428. [PMID: 38395958 PMCID: PMC10891107 DOI: 10.1038/s41598-024-53689-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 02/03/2024] [Indexed: 02/25/2024] Open
Abstract
Controlled release of proteins, such as growth factors, from biocompatible silk fibroin (SF) hydrogel is valuable for its use in tissue engineering, drug delivery, and other biological systems. To achieve this, we introduced silk fibroin-mimetic peptides (SFMPs) with the repeating unit (GAGAGS)n. Using green fluorescent protein (GFP) as a model protein, our results showed that SFMPs did not affect the GFP function when conjugated to it. The SFMP-GFP conjugates incorporated into SF hydrogel did not change the gelation time and allowed for controlled release of the GFP. By varying the length of SFMPs, we were able to modulate the release rate, with longer SFMPs resulting in a slower release, both in water at room temperature and PBS at 37 °C. Furthermore, the SF hydrogel with the SFMPs showed greater strength and stiffness. The increased β-sheet fraction of the SF hydrogel, as revealed by FTIR analysis, explained the gel properties and protein release behavior. Our results suggest that the SFMPs effectively control protein release from SF hydrogel, with the potential to enhance its mechanical stability. The ability to modulate release rates by varying the SFMP length will benefit personalized and controlled protein delivery in various systems.
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Affiliation(s)
- Jaturong Promsuk
- Department of Biochemistry, Center of Excellence for Molecular Biology and Genomics of Shrimp, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
- Department of Biochemistry, Center of Excellence in Molecular Crop, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Juthatip Manissorn
- Biomedical Materials and Devices for Revolutionary Integrative Systems Engineering Research Unit (BMD-RISE), Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand.
| | - Chavee Laomeephol
- Biomedical Materials and Devices for Revolutionary Integrative Systems Engineering Research Unit (BMD-RISE), Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Jittima Amie Luckanagul
- Biomedical Materials and Devices for Revolutionary Integrative Systems Engineering Research Unit (BMD-RISE), Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Apipon Methachittipan
- Nano Engineering Program, International School of Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Khaow Tonsomboon
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, 12120, Pathum Thani, Thailand
| | - Ratchapol Jenjob
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon, 22332, Republic of Korea
| | - Su-Geun Yang
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon, 22332, Republic of Korea
| | - Peerapat Thongnuek
- Biomedical Materials and Devices for Revolutionary Integrative Systems Engineering Research Unit (BMD-RISE), Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand.
- Biomedical Engineering Program, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand.
- Biomedical Engineering Research Center, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand.
| | - Kittikhun Wangkanont
- Department of Biochemistry, Center of Excellence for Molecular Biology and Genomics of Shrimp, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.
- Department of Biochemistry, Center of Excellence in Molecular Crop, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.
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13
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Sun Z, Liu H, Dai D, Lyu H, Huang R, Wang W, Guo C. Injectable cell-laden silk acid hydrogel. Chem Commun (Camb) 2024; 60:316-319. [PMID: 38063025 DOI: 10.1039/d3cc04280d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
This study presents an injectable cell-laden hydrogel system based on silk acid, a carboxylated derivative of natural silk fibroin, which exhibits promising applications in biomedicine. The hydrogel is produced under physiological conditions (37 °C and pH 7.4) via physical crosslinking. Notably, the hydrogel demonstrates remarkable cytocompatibility, enabling efficient cell encapsulation, and exhibits good injectability. These promising results strongly indicate the potential of silk acid hydrogel for transformative applications, including 3D cell culture, targeted cell delivery, and tissue engineering.
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Affiliation(s)
- Ziyang Sun
- School of Engineering, Westlake University, Hangzhou, Zhejiang, 310023, China.
| | - Haoran Liu
- School of Engineering, Westlake University, Hangzhou, Zhejiang, 310023, China.
| | - Dandan Dai
- School of Engineering, Westlake University, Hangzhou, Zhejiang, 310023, China.
| | - Hao Lyu
- School of Engineering, Westlake University, Hangzhou, Zhejiang, 310023, China.
| | - Ruochuan Huang
- School of Engineering, Westlake University, Hangzhou, Zhejiang, 310023, China.
| | - Wenzhao Wang
- School of Engineering, Westlake University, Hangzhou, Zhejiang, 310023, China.
| | - Chengchen Guo
- School of Engineering, Westlake University, Hangzhou, Zhejiang, 310023, China.
- Research Center for Industries of the Future, Westlake University, Hangzhou, Zhejiang, 310030, China
- Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, Zhejiang, 310024, China
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14
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Ghosh S, Pati F. Decellularized extracellular matrix and silk fibroin-based hybrid biomaterials: A comprehensive review on fabrication techniques and tissue-specific applications. Int J Biol Macromol 2023; 253:127410. [PMID: 37844823 DOI: 10.1016/j.ijbiomac.2023.127410] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 10/01/2023] [Accepted: 10/10/2023] [Indexed: 10/18/2023]
Abstract
Biomaterials play a fundamental role in tissue engineering by providing biochemical and physical cues that influence cellular fate and matrix development. Decellularized extracellular matrix (dECM) as a biomaterial is distinguished by its abundant composition of matrix proteins, such as collagen, elastin, fibronectin, and laminin, as well as glycosaminoglycans and proteoglycans. However, the mechanical properties of only dECM-based constructs may not always meet tissue-specific requirements. Recent advancements address this challenge by utilizing hybrid biomaterials that harness the strengths of silk fibroin (SF), which contributes the necessary mechanical properties, while dECM provides essential cellular cues for in vitro studies and tissue regeneration. This review discusses emerging trends in developing such biopolymer blends, aiming to synergistically combine the advantages of SF and dECM through optimal concentrations and desired cross-linking density. We focus on different fabrication techniques and cross-linking methods that have been utilized to fabricate various tissue-engineered hybrid constructs. Furthermore, we survey recent applications of such biomaterials for the regeneration of various tissues, including bone, cartilage, trachea, bladder, vascular graft, heart, skin, liver, and other soft tissues. Finally, the trajectory and prospects of the constructs derived from this blend in the tissue engineering field have been summarized, highlighting their potential for clinical translation.
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Affiliation(s)
- Soham Ghosh
- BioFab Lab, Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502285, Telangana, India
| | - Falguni Pati
- BioFab Lab, Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502285, Telangana, India.
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15
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Zhang Y, Wang S, Li Y, Li X, Du Z, Liu S, Song Y, Li Y, Zhang G. A Sterile, Injectable, and Robust Sericin Hydrogel Prepared by Degraded Sericin. Gels 2023; 9:948. [PMID: 38131934 PMCID: PMC10742692 DOI: 10.3390/gels9120948] [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: 11/08/2023] [Revised: 11/21/2023] [Accepted: 11/30/2023] [Indexed: 12/23/2023] Open
Abstract
The application of sericin hydrogels is limited mainly due to their poor mechanical strength, tendency to be brittle and inconvenient sterilization. To address these challenges, a sericin hydrogel exhibiting outstanding physical and chemical properties along with cytocompatibility was prepared through crosslinking genipin with degraded sericin extracted from fibroin deficient silkworm cocoons by the high temperature and pressure method. Our reported sericin hydrogels possess good elasticity, injectability, and robust behaviors. The 8% sericin hydrogel can smoothly pass through a 16 G needle. While the 12% sericin hydrogel remains intact until its compression ratio reaches 70%, accompanied by a compression strength of 674 kPa. 12% sericin hydrogel produce a maximum stretch of 740%, with breaking strength and tensile modulus of 375 kPa and 477 kPa respectively. Besides that, the hydrogel system demonstrated remarkable cell-adhesive capabilities, effectively promoting cell attachment and, proliferation. Moreover, the swelling and degradation behaviors of the hydrogels are pH responsiveness. Sericin hydrogel releases drugs in a sustained manner. Furthermore, this study addresses the challenge of sterilizing sericin hydrogels (sterilization will inevitably lead to the destruction of their structures). In addition, it challenges the prior notion that sericin extracted under high temperature and pressure is difficult to directly cross-linked into a stable hydrogel. This developed hydrogel system in this study holds promise to be a new multifunctional platform expanding the application area scope of sericin.
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Affiliation(s)
- Yeshun Zhang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; (S.W.); (Y.L.); (X.L.); (Z.D.); (S.L.); (Y.L.); (G.Z.)
- Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
- Zhenjiang Zhongnong Biotechnology Co., Ltd., Zhenjiang 212121, China
| | - Susu Wang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; (S.W.); (Y.L.); (X.L.); (Z.D.); (S.L.); (Y.L.); (G.Z.)
| | - Yurong Li
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; (S.W.); (Y.L.); (X.L.); (Z.D.); (S.L.); (Y.L.); (G.Z.)
- Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
| | - Xiang Li
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; (S.W.); (Y.L.); (X.L.); (Z.D.); (S.L.); (Y.L.); (G.Z.)
| | - Zhanyan Du
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; (S.W.); (Y.L.); (X.L.); (Z.D.); (S.L.); (Y.L.); (G.Z.)
| | - Siyu Liu
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; (S.W.); (Y.L.); (X.L.); (Z.D.); (S.L.); (Y.L.); (G.Z.)
| | - Yushuo Song
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; (S.W.); (Y.L.); (X.L.); (Z.D.); (S.L.); (Y.L.); (G.Z.)
| | - Yanyan Li
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; (S.W.); (Y.L.); (X.L.); (Z.D.); (S.L.); (Y.L.); (G.Z.)
| | - Guozheng Zhang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; (S.W.); (Y.L.); (X.L.); (Z.D.); (S.L.); (Y.L.); (G.Z.)
- Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
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16
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Mehrabi A, Mousazadeh S, Mollafilabi A, Nafissi N, Milan PB. Synthesis and characterization of a silk fibroin/placenta matrix hydrogel for breast reconstruction. Life Sci 2023; 334:122236. [PMID: 37926297 DOI: 10.1016/j.lfs.2023.122236] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 10/29/2023] [Accepted: 10/31/2023] [Indexed: 11/07/2023]
Abstract
Reconstructive surgery is a complex and demanding interdisciplinary field. One of the major challenges is the production of sizeable, implantable, inexpensive bioprostheses such as breast implants. In this study, porous hybrid hydrogels were fabricated by a combinatorial method using decellularized human placenta (dHplacenta) and silk fibroin. Histology was used to confirm the acellularity of the dHplacenta. The physio-chemical properties of the hydrogels were evaluated using SEM, FTIR, and rheological assays. The synthesized hydrogels exhibited a uniform 3-D microstructure with an interconnected porous network, and the hybrid hydrogels with a 30/70 ratio had improved mechanical properties compared to the other hydrogels. Hybrid hydrogels were also cultured with adipose-derived mesenchymal stem cells (ADSCs). Liposuction was used to obtain adipose tissue from patients, which was then characterized using flow cytometry and karyotyping. The results showed that CD34 and CD31 were downregulated, whereas CD105 and CD90 were upregulated in ADSCs, indicating a phenotype resembling to that of mesenchymal stem cells from the human bone marrow. Moreover, after re-cellularized hydrogel, the live/dead assay and SEM analysis confirmed that most viability and cellular expansion on the hydrogels contained higher ratios of dHplacenta (30/70) than the other two groups. All these findings recapitulated that the 30/70 dHplacenta/silk fibroin hydrogel can perform as an excellent substrate for breast tissue engineering applications.
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Affiliation(s)
- Arezou Mehrabi
- Student Research Committee, Iran University of Medical Sciences, Tehran, Iran; Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Sepideh Mousazadeh
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Azam Mollafilabi
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Nahid Nafissi
- Department of Breast Surgery, Iran University of Medical Sciences, Tehran, Iran.
| | - Peiman Brouki Milan
- Student Research Committee, Iran University of Medical Sciences, Tehran, Iran; Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
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17
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Cianciosi A, Stecher S, Löffler M, Bauer‐Kreisel P, Lim KS, Woodfield TBF, Groll J, Blunk T, Jungst T. Flexible Allyl-Modified Gelatin Photoclick Resin Tailored for Volumetric Bioprinting of Matrices for Soft Tissue Engineering. Adv Healthc Mater 2023; 12:e2300977. [PMID: 37699146 PMCID: PMC11468070 DOI: 10.1002/adhm.202300977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 08/11/2023] [Indexed: 09/14/2023]
Abstract
Volumetric bioprinting (VBP) is a light-based 3D printing platform, which recently prompted a paradigm shift for additive manufacturing (AM) techniques considering its capability to enable the fabrication of complex cell-laden geometries in tens of seconds with high spatiotemporal control and pattern accuracy. A flexible allyl-modified gelatin (gelAGE)-based photoclick resin is developed in this study to fabricate matrices with exceptionally soft polymer networks (0.2-1.0 kPa). The gelAGE-based resin formulations are designed to exploit the fast thiol-ene crosslinking in combination with a four-arm thiolated polyethylene glycol (PEG4SH) in the presence of a photoinitiator. The flexibility of the gelAGE biomaterial platform allows one to tailor its concentration spanning from 2.75% to 6% and to vary the allyl to thiol ratio without hampering the photocrosslinking efficiency. The thiol-ene crosslinking enables the production of viable cell-material constructs with a high throughput in tens of seconds. The suitability of the gelAGE-based resins is demonstrated by adipogenic differentiation of adipose-derived stromal cells (ASC) after VBP and by the printing of more fragile adipocytes as a proof-of-concept. Taken together, this study introduces a soft photoclick resin which paves the way for volumetric printing applications toward soft tissue engineering.
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Affiliation(s)
- Alessandro Cianciosi
- Department of Functional Materials in Medicine and DentistryInstitute of Biofabrication and Functional MaterialsUniversity of Würzburg and KeyLab Polymers for Medicine of the Bavarian Polymer Institute (BPI)Pleicherwall 297070WürzburgGermany
| | - Sabrina Stecher
- Department of TraumaHandPlastic and Reconstructive SurgeryUniversity Hospital Würzburg97080WürzburgGermany
| | - Maxi Löffler
- Department of Functional Materials in Medicine and DentistryInstitute of Biofabrication and Functional MaterialsUniversity of Würzburg and KeyLab Polymers for Medicine of the Bavarian Polymer Institute (BPI)Pleicherwall 297070WürzburgGermany
| | - Petra Bauer‐Kreisel
- Department of TraumaHandPlastic and Reconstructive SurgeryUniversity Hospital Würzburg97080WürzburgGermany
| | - Khoon S. Lim
- School of Medical SciencesUniversity of SydneySydney2006Australia
| | - Tim B. F. Woodfield
- Department of Orthopaedic Surgery and Musculoskeletal MedicineCentre for Bioengineering and NanomedicineUniversity of OtagoChristchurch8011New Zealand
| | - Jürgen Groll
- Department of Functional Materials in Medicine and DentistryInstitute of Biofabrication and Functional MaterialsUniversity of Würzburg and KeyLab Polymers for Medicine of the Bavarian Polymer Institute (BPI)Pleicherwall 297070WürzburgGermany
| | - Torsten Blunk
- Department of TraumaHandPlastic and Reconstructive SurgeryUniversity Hospital Würzburg97080WürzburgGermany
| | - Tomasz Jungst
- Department of Functional Materials in Medicine and DentistryInstitute of Biofabrication and Functional MaterialsUniversity of Würzburg and KeyLab Polymers for Medicine of the Bavarian Polymer Institute (BPI)Pleicherwall 297070WürzburgGermany
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18
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Hua J, Huang R, Huang Y, Yan S, Zhang Q. Comparison of Silk Hydrogels Prepared via Different Methods. Polymers (Basel) 2023; 15:4419. [PMID: 38006143 PMCID: PMC10674597 DOI: 10.3390/polym15224419] [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: 10/17/2023] [Revised: 11/08/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023] Open
Abstract
Silk fibroin (SF) hydrogels have garnered extensive attention in biomedical materials, owing to their superior biological properties. However, the challenges facing the targeted silk fibroin hydrogels involve chemical agents and shortfalls in performance. In this study, the silk fibroin hydrogels were prepared in different ways: sonication induction, chemical crosslinking, photopolymerization, and enzyme-catalyzed crosslinking. The SF hydrogels derived from photopolymerization exhibited higher compressive properties, with 124 Kpa fracture compressive stress and breaks at about 46% compression. The chemical crosslinking and enzyme-catalyzed silk fibroin hydrogels showed superior toughness, yet sonication-induced hydrogels showed brittle performance resulting from an increase in silk II crystals. The chemical-crosslinked hydrogel demonstrated lower thermostability due to the weaker crosslinking degree. In vitro, all silk fibroin hydrogels supported the growth of human umbilical vein endothelial cells, as the cell viability of hydrogels without chemical agents was relatively higher. This study provides insights into the formation process of silk fibroin hydrogels and optimizes their design strategy for biomedical applications.
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Affiliation(s)
| | | | - Ying Huang
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China; (J.H.); (R.H.); (Q.Z.)
| | - Shuqin Yan
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China; (J.H.); (R.H.); (Q.Z.)
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19
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Thongnuek P, Kanokpanont S, Uttayarat P, Damrongsakkul S. Hydrogelation of Regenerated Silk Fibroin via Gamma Irradiation. Polymers (Basel) 2023; 15:3734. [PMID: 37765589 PMCID: PMC10535586 DOI: 10.3390/polym15183734] [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: 07/27/2023] [Revised: 09/03/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
Gamma irradiation, which is one of the more conventional sterilization methods, was used to induce the hydrogelation of silk fibroin in this study. The physical and chemical characteristics of the irradiation-induced silk fibroin hydrogels were investigated. Silk fibroin solution with a concentration greater than 1 wt% formed hydrogel when irradiated by gamma rays at a dose of 25 or 50 kGy. The hydrogel induced by 50 kGy of radiation was more thermally stable at 80 °C than those induced by 25 kGy of radiation. When compared to the spontaneously formed hydrogels, the irradiated hydrogels contained a greater fraction of random coils and a lower fraction of β-sheets. This finding implies that gelation via gamma irradiation occurs via other processes, in addition to crystalline β-sheet formation, which is a well-established mechanism. Our observation suggests that crosslinking and chain scission via gamma irradiation could occur in parallel with the β-sheet formation. The irradiation-induced hydrogels were obtained when the solution concentration was adequate to support the radiation crosslinking of the silk fibroin chains. This work has, therefore, demonstrated that gamma irradiation can be employed as an alternative method to produce chemical-free, random coil-rich, and sterilized silk fibroin hydrogels for biomedical applications.
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Affiliation(s)
- Peerapat Thongnuek
- Center of Excellence in Biomaterial Engineering for Medical and Health, Chulalongkorn University, Bangkok 10330, Thailand; (P.T.); (S.D.)
- Biomedical Engineering Program, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
- Biomedical Engineering Research Center, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
| | - Sorada Kanokpanont
- Center of Excellence in Biomaterial Engineering for Medical and Health, Chulalongkorn University, Bangkok 10330, Thailand; (P.T.); (S.D.)
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
| | - Pimpon Uttayarat
- Research and Development Unit, Thailand Institute of Nuclear Technology (Public Organization), Nakhon Nayok 26120, Thailand;
| | - Siriporn Damrongsakkul
- Center of Excellence in Biomaterial Engineering for Medical and Health, Chulalongkorn University, Bangkok 10330, Thailand; (P.T.); (S.D.)
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
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20
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Wu J, Lei J, Chen M, Sun Y, Jianwen H, Li S, Gang L, Zhang M, Yixin S, Zhang F, Zhengshi Z, Fan Z. Synthesis and Characterization of Photo-Cross-Linkable Silk Fibroin Methacryloyl Hydrogel for Biomedical Applications. ACS OMEGA 2023; 8:30888-30897. [PMID: 37663496 PMCID: PMC10468767 DOI: 10.1021/acsomega.3c01483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Accepted: 08/01/2023] [Indexed: 09/05/2023]
Abstract
Photo-cross-linkable hydrogels have recently gained increased interest in the field of biomedical applications. In this study, silk fibroin was derivatized with methacrylic anhydride (MA) to obtain silk fibroin methacryloyl (SFMA), forming hydrogel under UV light exposure in 1 min. The SFMA sol-gel transition did not involve significant structural change at the early stage. Then, the formation of the irreversible β-sheet was confirmed after 24 h. The resulting SFMA hydrogel showed a homogeneous porous structure with pore sizes ranging from 400 to 700 μm, depending on the content. In addition, these hydrogels demonstrated a lower swelling capacity, higher rheological properties and compressive modulus, and slow degradation behavior at higher content, likely due to the higher degree of cross-linking. An experiment with cells indicated the good cell compatibility of these hydrogels, as revealed by Cell Counting Kit-8 (CCK-8) assays. As a tissue-engineered material, this photo-cross-linkable SFMA is expected to have a wide range of applications in the biomedical field.
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Affiliation(s)
- Jianhua Wu
- Department
of Orthopedics, The Second Affiliated Hospital of Soochow University,
State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou 215004, China
- Department
of Trauma Orthopedics, The Affiliated Hospital
of Guizhou Medical University, Guiyang 550004, China
| | - Jiang Lei
- Department
of Orthopedics, The Second Affiliated Hospital of Soochow University,
State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou 215004, China
| | - Ming Chen
- College
of Textile and Clothing Engineering, Soochow
University, Suzhou 215123, China
| | - Yusheng Sun
- College
of Textile and Clothing Engineering, Soochow
University, Suzhou 215123, China
| | - Hou Jianwen
- Department
of Orthopedics, The Second Affiliated Hospital of Soochow University,
State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou 215004, China
| | - Suanao Li
- Medical
College of Soochow University, Soochow University, Suzhou 215123, China
| | - Liu Gang
- Department
of Trauma Orthopedics, The Affiliated Hospital
of Guizhou Medical University, Guiyang 550004, China
| | - Mingyang Zhang
- Medical
College of Soochow University, Soochow University, Suzhou 215123, China
| | - Shen Yixin
- Department
of Orthopedics, The Second Affiliated Hospital of Soochow University,
State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou 215004, China
| | - Feng Zhang
- College
of Textile and Clothing Engineering, Soochow
University, Suzhou 215123, China
| | - Zhang Zhengshi
- Department
of Spinal Surgery, Traditional Chinese Medicine
Hospital of Kunshan Affiliated to Nanjing TCM University, Kunshan 215300, China
| | - Zhihai Fan
- Department
of Orthopedics, The Second Affiliated Hospital of Soochow University,
State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou 215004, China
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21
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Desai DN, Mahal A, Varshney R, Obaidullah AJ, Gupta B, Mohanty P, Pattnaik P, Mohapatra NC, Mishra S, Kandi V, Rabaan AA, Mohapatra RK. Nanoadjuvants: Promising Bioinspired and Biomimetic Approaches in Vaccine Innovation. ACS OMEGA 2023; 8:27953-27968. [PMID: 37576639 PMCID: PMC10413842 DOI: 10.1021/acsomega.3c02030] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Accepted: 07/13/2023] [Indexed: 08/15/2023]
Abstract
Adjuvants are the important part of vaccine manufacturing as they elicit the vaccination effect and enhance the durability of the immune response through controlled release. In light of this, nanoadjuvants have shown unique broad spectrum advantages. As nanoparticles (NPs) based vaccines are fast-acting and better in terms of safety and usability parameters as compared to traditional vaccines, they have attracted the attention of researchers. A vaccine nanocarrier is another interesting and promising area for the development of next-generation vaccines for prophylaxis. This review looks at the various nanoadjuvants and their structure-function relationships. It compiles the state-of-art literature on numerous nanoadjuvants to help domain researchers orient their understanding and extend their endeavors in vaccines research and development.
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Affiliation(s)
- Dhruv N. Desai
- Department
of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Ahmed Mahal
- Department
of Medical Biochemical Analysis, College of Health Technology, Cihan University−Erbil, Erbil, Kurdistan Region, Iraq
| | - Rajat Varshney
- Department
of Veterinary Microbiology, FVAS, Banaras
Hindu University, Mirzapur 231001, India
| | - Ahmad J. Obaidullah
- Department
of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Bhawna Gupta
- School
of Biotechnology, KIIT Deemed-to-be University, Bhubaneswar 751024, Odisha, India
| | - Pratikhya Mohanty
- Bioenergy
Lab, BDTC, School of Biotechnology, KIIT
Deemed-to-be University, Bhubaneswar 751024, Odisha, India
| | | | | | - Snehasish Mishra
- Bioenergy
Lab, BDTC, School of Biotechnology, KIIT
Deemed-to-be University, Bhubaneswar 751024, Odisha, India
| | - Venkataramana Kandi
- Department
of Microbiology, Prathima Institute of Medical
Sciences, Karimnagar 505 417, Telangana, India
| | - Ali A. Rabaan
- Molecular
Diagnostic Laboratory, Johns Hopkins Aramco
Healthcare, Dhahran 31311, Saudi Arabia
- College
of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia
- Department
of Public Health and Nutrition, The University
of Haripur, Haripur 22610, Pakistan
| | - Ranjan K. Mohapatra
- Department
of Chemistry, Government College of Engineering, Keonjhar 758002, Odisha, India
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22
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Lyu Y, Liu Y, He H, Wang H. Application of Silk-Fibroin-Based Hydrogels in Tissue Engineering. Gels 2023; 9:gels9050431. [PMID: 37233022 DOI: 10.3390/gels9050431] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/12/2023] [Accepted: 05/17/2023] [Indexed: 05/27/2023] Open
Abstract
Silk fibroin (SF) is an excellent protein-based biomaterial produced by the degumming and purification of silk from cocoons of the Bombyx mori through alkali or enzymatic treatments. SF exhibits excellent biological properties, such as mechanical properties, biocompatibility, biodegradability, bioabsorbability, low immunogenicity, and tunability, making it a versatile material widely applied in biological fields, particularly in tissue engineering. In tissue engineering, SF is often fabricated into hydrogel form, with the advantages of added materials. SF hydrogels have mostly been studied for their use in tissue regeneration by enhancing cell activity at the tissue defect site or counteracting tissue-damage-related factors. This review focuses on SF hydrogels, firstly summarizing the fabrication and properties of SF and SF hydrogels and then detailing the regenerative effects of SF hydrogels as scaffolds in cartilage, bone, skin, cornea, teeth, and eardrum in recent years.
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Affiliation(s)
- Yihan Lyu
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing 210009, China
| | - Yusheng Liu
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing 210009, China
| | - Houzhe He
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing 210009, China
| | - Hongmei Wang
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing 210009, China
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23
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Sahoo JK, Hasturk O, Falcucci T, Kaplan DL. Silk chemistry and biomedical material designs. Nat Rev Chem 2023; 7:302-318. [PMID: 37165164 DOI: 10.1038/s41570-023-00486-x] [Citation(s) in RCA: 63] [Impact Index Per Article: 63.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/07/2023] [Indexed: 05/12/2023]
Abstract
Silk fibroin has applications in different medical fields such as tissue engineering, regenerative medicine, drug delivery and medical devices. Advances in silk chemistry and biomaterial designs have yielded exciting tools for generating new silk-based materials and technologies. Selective chemistries can enhance or tune the features of silk, such as mechanics, biodegradability, processability and biological interactions, to address challenges in medically relevant materials (hydrogels, films, sponges and fibres). This Review details the design and utility of silk biomaterials for different applications, with particular focus on chemistry. This Review consists of three segments: silk protein fundamentals, silk chemistries and functionalization mechanisms. This is followed by a description of different crosslinking chemistries facilitating network formation, including the formation of composite biomaterials. Utility in the fields of tissue engineering, drug delivery, 3D printing, cell coatings, microfluidics and biosensors are highlighted. Looking to the future, we discuss silk biomaterial design strategies to continue to improve medical outcomes.
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Affiliation(s)
| | - Onur Hasturk
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Thomas Falcucci
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA.
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24
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Wu SD, Chuang WT, Ho JC, Wu HC, Hsu SH. Self-Healing of Recombinant Spider Silk Gel and Coating. Polymers (Basel) 2023; 15:polym15081855. [PMID: 37112001 PMCID: PMC10141599 DOI: 10.3390/polym15081855] [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: 03/18/2023] [Revised: 04/08/2023] [Accepted: 04/10/2023] [Indexed: 04/29/2023] Open
Abstract
Self-healing properties, originating from the natural healing process, are highly desirable for the fitness-enhancing functionality of biomimetic materials. Herein, we fabricated the biomimetic recombinant spider silk by genetic engineering, in which Escherichia coli (E. coli) was employed as a heterologous expression host. The self-assembled recombinant spider silk hydrogel was obtained through the dialysis process (purity > 85%). The recombinant spider silk hydrogel with a storage modulus of ~250 Pa demonstrated autonomous self-healing and high strain-sensitive properties (critical strain ~50%) at 25 °C. The in situ small-angle X-ray scattering (in situ SAXS) analyses revealed that the self-healing mechanism was associated with the stick-slip behavior of the β-sheet nanocrystals (each of ~2-4 nm) based on the slope variation (i.e., ~-0.4 at 100%/200% strains, and ~-0.9 at 1% strain) of SAXS curves in the high q-range. The self-healing phenomenon may occur through the rupture and reformation of the reversible hydrogen bonding within the β-sheet nanocrystals. Furthermore, the recombinant spider silk as a dry coating material demonstrated self-healing under humidity as well as cell affinity. The electrical conductivity of the dry silk coating was ~0.4 mS/m. Neural stem cells (NSCs) proliferated on the coated surface and showed a 2.3-fold number expansion after 3 days of culture. The biomimetic self-healing recombinant spider silk gel and thinly coated surface may have good potential in biomedical applications.
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Affiliation(s)
- Shin-Da Wu
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Wei-Tsung Chuang
- National Synchrotron Radiation Research Center (NSRRC), Hsinchu 30076, Taiwan
| | - Jo-Chen Ho
- Department of Biochemical Science and Technology, National Taiwan University, Taipei 10617, Taiwan
| | - Hsuan-Chen Wu
- Department of Biochemical Science and Technology, National Taiwan University, Taipei 10617, Taiwan
| | - Shan-Hui Hsu
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei 10617, Taiwan
- Institute of Cellular and System Medicine, National Health Research Institutes, Miaoli 350, Taiwan
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25
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Choi J, Sahoo JK, Hasturk O, Falcucci T, Yao Y, Kaplan DL. Instantaneous Formation of Silk Protein Aerosols and Fibers with a Portable Spray Device Under Ambient Conditions. ADVANCED MATERIALS TECHNOLOGIES 2023; 8:2201392. [PMID: 37635855 PMCID: PMC10456984 DOI: 10.1002/admt.202201392] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Indexed: 08/29/2023]
Abstract
A variety of artificial silk spinning approaches have been attempted to mimic the natural spinning process found in silkworms and spiders, yet instantaneous silk fiber formation with hierarchical structure under physiological and ambient conditions without post-treatment procedures remains unaddressed. Here, we report a new strategy to fabricate silk protein-based aerosols and silk fibers instantaneously (< 1 s) in situ using a simple, portable, spray device, avoiding complicated and costly advanced manufacturing techniques. The key to success is the instantaneous conformational transition of silk fibroin from random coil to β-sheet right before spraying by mixing silk and polyethylene glycol (PEG) solutions in the spray device, allowing aerosols and silk fibers to be sprayed in situ, with further control achieved via the molecular weight of silk. The spinning process of the spray device is based on the use of green solvents, i.e., all steps of instant conformational transition of silk fibroin are carried out in aqueous conditions or with buffers at ambient conditions, in combination with shear and elongational flow caused by the hydraulic pressure generated in the spray container. The system supports a portable and user-friendly system that could be used for drug delivery carriers, wound coating materials and rapid silk fiber conformal coatings on surfaces.
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Affiliation(s)
- Jaewon Choi
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA; Department of Polymer Science and Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Jugal Kishore Sahoo
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
| | - Onur Hasturk
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
| | - Thomas Falcucci
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
| | - Ya Yao
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
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26
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Kamada A, Toprakcioglu Z, Knowles TPJ. Kinetic Analysis Reveals the Role of Secondary Nucleation in Regenerated Silk Fibroin Self-Assembly. Biomacromolecules 2023; 24:1709-1716. [PMID: 36926854 PMCID: PMC10091410 DOI: 10.1021/acs.biomac.2c01479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Abstract
Silk proteins obtained from the Bombyx mori silkworm have been extensively studied due to their remarkable mechanical properties. One of the major structural components of this complex material is silk fibroin, which can be isolated and processed further in vitro to form artificial functional materials. Due to the excellent biocompatibility and rich self-assembly behavior, there has been sustained interest in such materials formed through the assembly of regenerated silk fibroin feedstocks. The molecular mechanisms by which the soluble regenerated fibroin molecules self-assemble into protein nanofibrils remain, however, largely unknown. Here, we use the framework of chemical kinetics to connect macroscopic measurements of regenerated silk fibroin self-assembly to the underlying microscopic mechanisms. Our results reveal that the aggregation of regenerated silk fibroin is dominated by a nonclassical secondary nucleation processes, where the formation of new fibrils is catalyzed by the existing aggregates in an autocatalytic manner. Such secondary nucleation pathways were originally discovered in the context of polymerization of disease-associated proteins, but the present results demonstrate that this pathway can also occur in functional assembly. Furthermore, our results show that shear flow induces the formation of nuclei, which subsequently accelerate the process of aggregation through an autocatalytic amplification driven by the secondary nucleation pathway. Taken together, these results allow us to identify the parameters governing the kinetics of regenerated silk fibroin self-assembly and expand our current understanding of the spinning of bioinspired protein-based fibers, which have a wide range of applications in materials science.
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Affiliation(s)
- Ayaka Kamada
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
| | - Zenon Toprakcioglu
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
| | - Tuomas P J Knowles
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K.,Cavendish Laboratory, University of Cambridge, Cambridge CB3 0FE, U.K
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27
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Milazzo M, Fitzpatrick V, Owens CE, Carraretto IM, McKinley GH, Kaplan DL, Buehler MJ. 3D Printability of Silk/Hydroxyapatite Composites for Microprosthetic Applications. ACS Biomater Sci Eng 2023; 9:1285-1295. [PMID: 36857509 DOI: 10.1021/acsbiomaterials.2c01357] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
Micro-prosthetics requires the fabrication of mechanically robust and personalized components with sub-millimetric feature accuracy. Three-dimensional (3D) printing technologies have had a major impact on manufacturing such miniaturized devices for biomedical applications; however, biocompatibility requirements greatly constrain the choice of usable materials. Hydroxyapatite (HA) and its composites have been widely employed to fabricate bone-like structures, especially at the macroscale. In this work, we investigate the rheology, printability, and prosthetic mechanical properties of HA and HA-silk protein composites, focusing on the roles of composition and water content. We correlate key linear and nonlinear shear rheological parameters to geometric outcomes of printing and explain how silk compensates for the inherent brittleness of printed HA components. By increasing ink ductility, the inclusion of silk improves the quality of printed items through two mechanisms: (1) reducing underextrusion by lowering the required elastic modulus and, (2) reducing slumping by increasing the ink yield stress proportional to the modulus. We demonstrate that the elastic modulus and compressive strength of parts fabricated from silk-HA inks are higher than those for rheologically comparable pure-HA inks. We construct a printing map to guide the manufacturing of HA-based inks with excellent final properties, especially for use in biomedical applications for which sub-millimetric features are required.
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Affiliation(s)
- Mario Milazzo
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology (MIT), Massachusetts Avenue 77, Cambridge, Massachusetts 02139, United States
- Department of Civil and Industrial Engineering, University of Pisa, Largo L. Lazzarino 2, 56122 Pisa, Italy
| | - Vincent Fitzpatrick
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Crystal E Owens
- Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Igor M Carraretto
- Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
- Department of Energy, Politecnico di Milano, via Lambruschini 4a, 20156 Milano, MI, Italy
| | - Gareth H McKinley
- Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Markus J Buehler
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology (MIT), Massachusetts Avenue 77, Cambridge, Massachusetts 02139, United States
- Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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28
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Hashimoto T, Nakamura Y, Kakinoki S, Sano N, Kameda T, Tamada Y, Yamaoka T, Kurosu H. Immobilization of Arg-Gly-Asp peptides on silk fibroin via Gly-Ala-Gly-Ala-Gly-Ser sequences. Biotechnol J 2023; 18:e2200139. [PMID: 36424700 DOI: 10.1002/biot.202200139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 10/23/2022] [Accepted: 10/25/2022] [Indexed: 11/27/2022]
Abstract
A simple method by which the functional peptide of Gly-Arg-Gly-Asp-Ser (GRGDS) is immobilized on the surface of silk fibroin (SF) films via Gly-Ala-Gly-Ala-Gly-Ser (GAGAGS) sequences is proposed. GAGAGS, a repeating amino acid sequence in the crystal region of Bombyx mori SF, performs a key role in interacting with and immobilizing SF molecules. Immobilization by this proposed method involves no chemical reaction, thereby preserving the original properties of the SF molecule. The density of GRGDS peptides existing on SF film was found to be higher in the GAGAGS-bound type than in the non-GAGAGS-bound type. Furthermore, results showed that the amount of immobilized (GAGAGS)GRGDS peptide increased as the β-sheet crystallization was promoted in the SF film. Fibroblasts, which adhered to the surface of the SF film, showed more extensibility because of the (GAGAGS)GRGDS immobilization, which suggests that the cell adhesion activity of RGD is functioning effectively.
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Affiliation(s)
- Tomoko Hashimoto
- The Faculty of Textile Science and Technology, Shinshu University, Ueda, Nagano, Japan.,Faculty of Human Life and Environmental Sciences, Department of Clothing Environmental Science, Nara Women's University, Kitauoya-Nishimachi, Nara, Japan.,Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, Suita, Osaka, Japan
| | - Yuka Nakamura
- Faculty of Human Life and Environmental Sciences, Department of Clothing Environmental Science, Nara Women's University, Kitauoya-Nishimachi, Nara, Japan
| | - Sachiro Kakinoki
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, Suita, Osaka, Japan.,Faculty of Chemistry, Materials and Bioengineering, Department of Chemistry and Materials Engineering, Kansai University, Suita, Osaka, Japan
| | - Naoko Sano
- Faculty of Human Life and Environmental Sciences, Department of Clothing Environmental Science, Nara Women's University, Kitauoya-Nishimachi, Nara, Japan.,Ionoptika Ltd., Eastleigh, United Kingdom
| | - Tsunenori Kameda
- Silk Materials Research Group, National Agriculture and Food Research Organization, Tsukuba, Ibaraki, Japan
| | - Yasushi Tamada
- The Faculty of Textile Science and Technology, Shinshu University, Ueda, Nagano, Japan
| | - Tetsuji Yamaoka
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, Suita, Osaka, Japan
| | - Hiromichi Kurosu
- Faculty of Human Life and Environmental Sciences, Department of Clothing Environmental Science, Nara Women's University, Kitauoya-Nishimachi, Nara, Japan
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29
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A Comprehensive Review on Silk Fibroin as a Persuasive Biomaterial for Bone Tissue Engineering. Int J Mol Sci 2023; 24:ijms24032660. [PMID: 36768980 PMCID: PMC9917095 DOI: 10.3390/ijms24032660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/25/2023] [Accepted: 01/28/2023] [Indexed: 02/02/2023] Open
Abstract
Bone tissue engineering (BTE) utilizes a special mix of scaffolds, cells, and bioactive factors to regulate the microenvironment of bone regeneration and form a three-dimensional bone simulation structure to regenerate bone tissue. Silk fibroin (SF) is perhaps the most encouraging material for BTE given its tunable mechanical properties, controllable biodegradability, and excellent biocompatibility. Numerous studies have confirmed the significance of SF for stimulating bone formation. In this review, we start by introducing the structure and characteristics of SF. After that, the immunological mechanism of SF for osteogenesis is summarized, and various forms of SF biomaterials and the latest development prospects of SF in BTE are emphatically introduced. Biomaterials based on SF have great potential in bone tissue engineering, and this review will serve as a resource for future design and research.
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30
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Sharma A, Shambhwani D, Pandey S, Singh J, Lalhlenmawia H, Kumarasamy M, Singh SK, Chellappan DK, Gupta G, Prasher P, Dua K, Kumar D. Advances in Lung Cancer Treatment Using Nanomedicines. ACS OMEGA 2023; 8:10-41. [PMID: 36643475 PMCID: PMC9835549 DOI: 10.1021/acsomega.2c04078] [Citation(s) in RCA: 46] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 10/13/2022] [Indexed: 06/01/2023]
Abstract
Carcinoma of the lungs is among the most menacing forms of malignancy and has a poor prognosis, with a low overall survival rate due to delayed detection and ineffectiveness of conventional therapy. Therefore, drug delivery strategies that may overcome undesired damage to healthy cells, boost therapeutic efficacy, and act as imaging tools are currently gaining much attention. Advances in material science have resulted in unique nanoscale-based theranostic agents, which provide renewed hope for patients suffering from lung cancer. Nanotechnology has vastly modified and upgraded the existing techniques, focusing primarily on increasing bioavailability and stability of anti-cancer drugs. Nanocarrier-based imaging systems as theranostic tools in the treatment of lung carcinoma have proven to possess considerable benefits, such as early detection and targeted therapeutic delivery for effectively treating lung cancer. Several variants of nano-drug delivery agents have been successfully studied for therapeutic applications, such as liposomes, dendrimers, polymeric nanoparticles, nanoemulsions, carbon nanotubes, gold nanoparticles, magnetic nanoparticles, solid lipid nanoparticles, hydrogels, and micelles. In this Review, we present a comprehensive outline on the various types of overexpressed receptors in lung cancer, as well as the various targeting approaches of nanoparticles.
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Affiliation(s)
- Akshansh Sharma
- Department
of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, Shoolini University, Solan 173229, India
| | | | - Sadanand Pandey
- Department
of Chemistry, College of Natural Sciences, Yeungnam University, Gyeongsan, Gyeongbuk 38541, South Korea
| | - Jay Singh
- Department
of Chemistry, Institute of Science, Banaras
Hindu University, Varanasi 221005, India
| | - Hauzel Lalhlenmawia
- Department
of Pharmacy, Regional Institute of Paramedical
and Nursing Sciences, Zemabawk, Aizawl, Mizoram 796017, India
| | - Murali Kumarasamy
- Department
of Biotechnology, National Institute of
Pharmaceutical Education and Research, Hajipur 844102, India
| | - Sachin Kumar Singh
- School
of Pharmaceutical Sciences, Lovely Professional
University, Phagwara 144411, India
- Faculty
of Health, Australian Research Centre in Complementary and Integrative
Medicine, University of Technology, Sydney, Ultimo-NSW 2007, Australia
| | - Dinesh Kumar Chellappan
- Department
of Life Sciences, School of Pharmacy, International
Medical University, Kuala Lumpur 57000, Malaysia
| | - Gaurav Gupta
- Department
of Pharmacology, School of Pharmacy, Suresh
Gyan Vihar University, Jaipur 302017, India
- Department
of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical
and Technical Sciences, Saveetha University, Chennai 602117, India
- Uttaranchal
Institute of Pharmaceutical Sciences, Uttaranchal
University, Dehradun 248007, India
| | - Parteek Prasher
- Department
of Chemistry, University of Petroleum &
Energy Studies, Dehradun 248007, India
| | - Kamal Dua
- Faculty
of Health, Australian Research Centre in Complementary and Integrative
Medicine, University of Technology, Sydney, Ultimo-NSW 2007, Australia
- Discipline
of Pharmacy, Graduate School of Health, University of Technology, Sydney, Ultimo-NSW 2007, Australia
| | - Deepak Kumar
- Department
of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, Shoolini University, Solan 173229, India
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31
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Aleemardani M, Solouk A, Akbari S, Moeini M. A hydrogel-fiber-hydrogel composite scaffold based on silk fibroin with the dual-delivery of oxygen and quercetin. Biotechnol Bioeng 2023; 120:297-311. [PMID: 36224726 DOI: 10.1002/bit.28259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 09/04/2022] [Accepted: 10/08/2022] [Indexed: 11/10/2022]
Abstract
Supplying sufficient oxygen within the scaffolds is one of the essential hindrances in tissue engineering that can be resolved by oxygen-generating biomaterials (OGBs). Two main issues related to OGBs are controlling oxygenation and reactive oxygen species (ROS). To address these concerns, we developed a composite scaffold entailing three layers (hydrogel-electrospun fibers-hydrogel) with antioxidant and antibacterial properties. The fibers, the middle layer, reinforced the composite structure, enhancing the mechanical strength from 4.27 ± 0.15 to 8.27 ± 0.25 kPa; also, this layer is made of calcium peroxide and silk fibroin (SF) through electrospinning, which enables oxygen delivery. The first and third layers are physical SF hydrogels to control oxygen release, containing quercetin (Q), a nonenzymatic antioxidant. This composite scaffold resulted in almost more than 40 mmHg of oxygen release for at least 13 days, and compared with similar studies is in a high range. Here, Q was used for the first time for an OGB to scavenge the possible ROS. Q delivery not only led to antioxidant activity but also stabilized oxygen release and enhanced cell viability. Based on the given results, this composite scaffold can be introduced as a safe and controllable oxygen supplier, which is promising for tissue engineering applications, particularly for bone.
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Affiliation(s)
- Mina Aleemardani
- Biomaterials and Tissue Engineering Group, Department of Materials Science and Engineering, Kroto Research Institute, The University of Sheffield, Sheffield, UK
| | - Atefeh Solouk
- Biomedical Engineering Department, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Somaye Akbari
- Department of Textile Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Mohammad Moeini
- Biomedical Engineering Department, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
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32
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Park B, Ramesh SK, Rhee SW, Kim J. Synthesis of hollow fibroin using calcium carbonate as a template. B KOREAN CHEM SOC 2022. [DOI: 10.1002/bkcs.12659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Byeongho Park
- Department of Chemistry Kongju National University Gongju South Korea
| | - Siva Kumar Ramesh
- Department of Chemistry Kongju National University Gongju South Korea
| | - Seog Woo Rhee
- Department of Chemistry Kongju National University Gongju South Korea
| | - Jinkwon Kim
- Department of Chemistry Kongju National University Gongju South Korea
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Zuluaga-Vélez A, Toro-Acevedo CA, Quintero-Martinez A, Melchor-Moncada JJ, Pedraza-Ordoñez F, Aguilar-Fernández E, Sepúlveda-Arias JC. Performance of Colombian Silk Fibroin Hydrogels for Hyaline Cartilage Tissue Engineering. J Funct Biomater 2022; 13:297. [PMID: 36547557 PMCID: PMC9788426 DOI: 10.3390/jfb13040297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/07/2022] [Accepted: 12/08/2022] [Indexed: 12/23/2022] Open
Abstract
The development and evaluation of scaffolds play a crucial role in the engineering of hyaline cartilage tissue. This work aims to evaluate the performance of silk fibroin hydrogels fabricated from the cocoons of the Colombian hybrid in the in vitro regeneration of hyaline cartilage. The scaffolds were physicochemically characterized, and their performance was evaluated in a cellular model. The results showed that the scaffolds were rich in random coils and β-sheets in their structure and susceptible to various serine proteases with different degradation profiles. Furthermore, they showed a significant increase in ACAN, COL10A1, and COL2A1 expression compared to pellet culture alone and allowed GAG deposition. The soluble portion of the scaffold did not affect chondrogenesis. Furthermore, they promoted the increase in COL1A2, showing a slight tendency to differentiate towards fibrous cartilage. The results also showed that Colombian silk could be used as a source of biomedical devices, paving the way for sericulture to become a more diverse economic activity in emerging countries.
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Affiliation(s)
- Augusto Zuluaga-Vélez
- Grupo Infección e Inmunidad, Facultad de Ciencias de la Salud, Universidad Tecnológica de Pereira, Pereira 660003, Colombia
| | - Carlos Andrés Toro-Acevedo
- Grupo Infección e Inmunidad, Facultad de Ciencias de la Salud, Universidad Tecnológica de Pereira, Pereira 660003, Colombia
| | - Adrián Quintero-Martinez
- Grupo Infección e Inmunidad, Facultad de Ciencias de la Salud, Universidad Tecnológica de Pereira, Pereira 660003, Colombia
- Departamento de Química de Biomacromoléculas, Instituto de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán, México City 04510, Mexico
| | - Jhon Jairo Melchor-Moncada
- Grupo Infección e Inmunidad, Facultad de Ciencias de la Salud, Universidad Tecnológica de Pereira, Pereira 660003, Colombia
| | | | - Enrique Aguilar-Fernández
- Grupo Infección e Inmunidad, Facultad de Ciencias de la Salud, Universidad Tecnológica de Pereira, Pereira 660003, Colombia
| | - Juan Carlos Sepúlveda-Arias
- Grupo Infección e Inmunidad, Facultad de Ciencias de la Salud, Universidad Tecnológica de Pereira, Pereira 660003, Colombia
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Chiesa I, De Maria C, Tonin R, Ripanti F, Ceccarini MR, Salvatori C, Mussolin L, Paciaroni A, Petrillo C, Cesprini E, Feo F, Calamai M, Morrone A, Morabito A, Beccari T, Valentini L. Biocompatible and Printable Ionotronic Sensing Materials Based on Silk Fibroin and Soluble Plant-Derived Polyphenols. ACS OMEGA 2022; 7:43729-43737. [PMID: 36506141 PMCID: PMC9730456 DOI: 10.1021/acsomega.2c04729] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 11/09/2022] [Indexed: 06/17/2023]
Abstract
The emergence of ionotronic materials has been recently exploited for interfacing electronics and biological tissues, improving sensing with the surrounding environment. In this paper, we investigated the synergistic effect of regenerated silk fibroin (RS) with a plant-derived polyphenol (i.e., chestnut tannin) on ionic conductivity and how water molecules play critical roles in regulating ion mobility in these materials. In particular, we observed that adding tannin to RS increases the ionic conductivity, and this phenomenon is accentuated by increasing the hydration. We also demonstrated how silk-based hybrids could be used as building materials for scaffolds where human fibroblast and neural progenitor cells can highly proliferate. Finally, after proving their biocompatibility, RS hybrids demonstrate excellent three-dimensional (3D) printability via extrusion-based 3D printing to fabricate a soft sensor that can detect charged objects by sensing the electric fields that originate from them. These findings pave the way for a viable option for cell culture and novel sensors, with the potential base for tissue engineering and health monitoring.
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Affiliation(s)
- Irene Chiesa
- Department
of Ingegneria dell’Informazione and Research Center E. Piaggio, University of Pisa, Largo Lucio Lazzarino 1, Pisa 56122, Italy
| | - Carmelo De Maria
- Department
of Ingegneria dell’Informazione and Research Center E. Piaggio, University of Pisa, Largo Lucio Lazzarino 1, Pisa 56122, Italy
| | - Rodolfo Tonin
- Molecular
and Cell Biology Laboratory, Paediatric Neurology Unit and Laboratories,
Neuroscience Department, Meyer Children’s
Hospital, Firenze 50121, Italy
| | - Francesca Ripanti
- Department
Physics and Geology, University of Perugia, via Alessandro Pascoli, 06123 Perugia, Italy
| | | | - Carlotta Salvatori
- Department
of Ingegneria dell’Informazione and Research Center E. Piaggio, University of Pisa, Largo Lucio Lazzarino 1, Pisa 56122, Italy
| | - Lorenzo Mussolin
- Department
Physics and Geology, University of Perugia, via Alessandro Pascoli, 06123 Perugia, Italy
| | - Alessandro Paciaroni
- Department
Physics and Geology, University of Perugia, via Alessandro Pascoli, 06123 Perugia, Italy
| | - Caterina Petrillo
- Department
Physics and Geology, University of Perugia, via Alessandro Pascoli, 06123 Perugia, Italy
- AREA
Science Park, Padriciano,
99, 34149 Trieste, Italy
| | - Emanuele Cesprini
- Land Environment
Agriculture & Forestry Department, University
of Padua, Viale dell’Università 16, 35020 Legnaro, Italy
| | - Federica Feo
- Molecular
and Cell Biology Laboratory, Paediatric Neurology Unit and Laboratories,
Neuroscience Department, Meyer Children’s
Hospital, Firenze 50121, Italy
| | - Martino Calamai
- European
Laboratory for Non-linear Spectroscopy (LENS), University of Florence, Sesto
Fiorentino 50019, Italy
- National
Institute of Optics−National Research Council (CNR-INO), Sesto Fiorentino 50019, Italy
| | - Amelia Morrone
- Molecular
and Cell Biology Laboratory, Paediatric Neurology Unit and Laboratories,
Neuroscience Department, Meyer Children’s
Hospital, Firenze 50121, Italy
- Dipartimento
Neuroscienze, Psicologia, Area del Farmaco e della Salute del Bambino
NEUROFARBA, Università degli Studi
di Firenze, Viale Pieraccini 6, Firenze 50121, Italy
| | - Antonino Morabito
- Dipartimento
Neuroscienze, Psicologia, Area del Farmaco e della Salute del Bambino
NEUROFARBA, Università degli Studi
di Firenze, Viale Pieraccini 6, Firenze 50121, Italy
- Department
of Pediatric Surgery, Meyer Children’s
Hospital, Viale Pieraccini 24, Firenze 50139, Italy
| | - Tommaso Beccari
- Department
of Pharmaceutical Sciences, University of
Perugia, 06123 Perugia, Italy
| | - Luca Valentini
- Civil
and Environmental Engineering Department, University of Perugia, Strada di Pentima 4, Terni 05100, Italy
- Italian Consortium
for Science and Technology of Materials (INSTM), Via Giusti 9, Firenze 50121, Italy
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35
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Elango J, Lijnev A, Zamora-Ledezma C, Alexis F, Wu W, Marín JMG, Sanchez de Val JEM. The Relationship of Rheological Properties and the Performance of Silk Fibroin Hydrogels in Tissue Engineering Application. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.12.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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36
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Wani SUD, Zargar MI, Masoodi MH, Alshehri S, Alam P, Ghoneim MM, Alshlowi A, Shivakumar HG, Ali M, Shakeel F. Silk Fibroin as an Efficient Biomaterial for Drug Delivery, Gene Therapy, and Wound Healing. Int J Mol Sci 2022; 23:ijms232214421. [PMID: 36430901 PMCID: PMC9692988 DOI: 10.3390/ijms232214421] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 11/14/2022] [Accepted: 11/15/2022] [Indexed: 11/22/2022] Open
Abstract
Silk fibroin (SF), an organic material obtained from the cocoons of a silkworm Bombyx mori, is used in several applications and has a proven track record in biomedicine owing to its superior compatibility with the human body, superb mechanical characteristics, and its controllable propensity to decay. Due to its robust biocompatibility, less immunogenic, non-toxic, non-carcinogenic, and biodegradable properties, it has been widely used in biological and biomedical fields, including wound healing. The key strategies for building diverse SF-based drug delivery systems are discussed in this review, as well as the most recent ways for developing functionalized SF for controlled or redirected medicines, gene therapy, and wound healing. Understanding the features of SF and the various ways to manipulate its physicochemical and mechanical properties enables the development of more effective drug delivery devices. Drugs are encapsulated in SF-based drug delivery systems to extend their shelf life and control their release, allowing them to travel further across the bloodstream and thus extend their range of operation. Furthermore, due to their tunable properties, SF-based drug delivery systems open up new possibilities for drug delivery, gene therapy, and wound healing.
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Affiliation(s)
- Shahid Ud Din Wani
- Department of Pharmaceutical Sciences, School of Applied Science and Technology, University of Kashmir, Jammu and Kashmir, Srinagar 190006, India
| | - Mohammed Iqbal Zargar
- Department of Pharmaceutical Sciences, School of Applied Science and Technology, University of Kashmir, Jammu and Kashmir, Srinagar 190006, India
| | - Mubashir Hussain Masoodi
- Department of Pharmaceutical Sciences, School of Applied Science and Technology, University of Kashmir, Jammu and Kashmir, Srinagar 190006, India
| | - Sultan Alshehri
- Department of Pharmaceutical Sciences, College of Pharmacy, AlMaarefa University, Ad Diriyah 13713, Saudi Arabia
- Correspondence: (S.A.); (F.S.)
| | - Prawez Alam
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Mohammed M. Ghoneim
- Department of Pharmacy Practice, College of Pharmacy, AlMaarefa University, Ad Diriyah 13713, Saudi Arabia
| | - Areej Alshlowi
- Department of Pharmacy Practice, College of Pharmacy, AlMaarefa University, Ad Diriyah 13713, Saudi Arabia
| | - H. G. Shivakumar
- Department of Pharmaceutics, College of Pharmacy, JSS Academy of Technical Education, Noida 201301, India
| | - Mohammad Ali
- Department of Pharmacy Practice, East Point College of Pharmacy, Bangalore 560049, India
| | - Faiyaz Shakeel
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
- Correspondence: (S.A.); (F.S.)
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37
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de Brito VP, de Souza Ribeiro MM, Viganó J, de Moraes MA, Veggi PC. Silk Fibroin Hydrogels Incorporated with the Antioxidant Extract of Stryphnodendron adstringens Bark. Polymers (Basel) 2022; 14:polym14224806. [PMID: 36432933 PMCID: PMC9698373 DOI: 10.3390/polym14224806] [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: 10/03/2022] [Revised: 10/31/2022] [Accepted: 11/04/2022] [Indexed: 11/11/2022] Open
Abstract
Barbatimão (Stryphnodendron adstringens) is a Brazilian medicinal plant known for its pharmacological properties, including healing activity related to its phenolic composition, which is chiefly given by tannins. In order to preserve its stability and bioactivity, barbatimão extracts can be incorporated into (bio-)polymeric matrixes, of which silk fibroin stands out due to its versatility and tunable properties. This work aimed to obtain barbatimão bark extract rich in phenolic compounds and evaluate its incorporation in fibroin hydrogels. From the extraction process, it was observed that the PG (propylene glycol) extract presented a higher global yield (X0) and phenolic compounds (TPC) than the ET (ethanol) extract. Furthermore, the antioxidant activity (ORAC and FRAP) was similar between both extracts. Regarding the hydrogels, morphological, chemical, thermal, and mechanical characterizations were performed to understand the influence of the barbatimão extract and the solvent on the fibroin hydrogel properties. As a result, the hydrogels containing the barbatimão PG extract (BT/PG hydrogels) showed the better physical-chemical and structural performance. Therefore, these hydrogels should be further investigated regarding their potential in medical and pharmaceutical applications, especially in wound healing.
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Affiliation(s)
- Vivian P. de Brito
- Department of Chemical Engineering, Institute of Environmental, Chemical and Pharmaceutical Sciences, Federal University of São Paulo, Diadema 09913-030, SP, Brazil
| | - Maurício M. de Souza Ribeiro
- Department of Chemical Engineering, Institute of Environmental, Chemical and Pharmaceutical Sciences, Federal University of São Paulo, Diadema 09913-030, SP, Brazil
| | - Juliane Viganó
- Nature Science Center, Federal University of São Carlos, Rod. Lauri Simões de Barros, Km. 12-SP 189, Buri 18290-000, SP, Brazil
| | - Mariana A. de Moraes
- Department of Chemical Engineering, Institute of Environmental, Chemical and Pharmaceutical Sciences, Federal University of São Paulo, Diadema 09913-030, SP, Brazil
| | - Priscilla C. Veggi
- Department of Chemical Engineering, Institute of Environmental, Chemical and Pharmaceutical Sciences, Federal University of São Paulo, Diadema 09913-030, SP, Brazil
- Correspondence: ; Tel.: +55-11-4044-0500 (ext. 3550)
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38
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Design of silk fibroin-based supramolecular hydrogels through host-guest interactions: Influence of the crosslinking type. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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39
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Composite silk fibroin hydrogel scaffolds for cartilage tissue regeneration. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.104018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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40
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Zheng H, Huang Z, Chen T, Sun Y, Chen S, Bu G, Guan H. Gallium ions incorporated silk fibroin hydrogel with antibacterial efficacy for promoting healing of Pseudomonas aeruginosa-infected wound. Front Chem 2022; 10:1017548. [DOI: 10.3389/fchem.2022.1017548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 10/03/2022] [Indexed: 11/13/2022] Open
Abstract
The continual resistance to antibiotics and the generation of a series of bacterial infections has emerged as a global concern, which requires appropriate measures and therapeutics to address such a menace. Herein, we report on Silk fibroin (SF) hydrogel with good biocompatibility and biodegradability fabricated through the crosslinking of the SF of different concentrations with Gallium nitrate (Ga (NO3)3) against Pseudomonas aeruginosa. However, the SF: Ga = 500: 1 (w/w) (SF/Ga) demonstrated a good bactericidal and wound healing effect as a result of the moderate and prolonged release of the Ga3+ following the gradual degradation of the hydrogel. The Ga3+, known for its innovative nature acted as a crosslinked agent and a therapeutic agent employing the “Trojan horse” strategy to effectively deal with the bacteria. Also, the Ga3+, which is positively charged neutralizes the negative potential value of the SF particles to reduce the charge and further induce the β-sheet formation in the protein structure, a characteristic of gelation in SF. The morphology showed a fabricated homogenous structure with greater storage modulus- G’ with low loss modulus- G'' modulus demonstrating the mechanical performance and the ability of the SF/Ga hydrogel to hold their shape, at the same time allowing for the gradual release of Ga3+. A demonstration of biocompatibility, biodegradability, bactericidal effect and wound healing in in vitro and in vivo present the SF/Ga hydrogel as an appropriate platform for therapeutic and for antibacterial wound dressing.
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41
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Sheng R, Chen J, Wang H, Luo Y, Liu J, Chen Z, Mo Q, Chi J, Ling C, Tan X, Yao Q, Zhang W. Nanosilicate-Reinforced Silk Fibroin Hydrogel for Endogenous Regeneration of Both Cartilage and Subchondral Bone. Adv Healthc Mater 2022; 11:e2200602. [PMID: 35749970 DOI: 10.1002/adhm.202200602] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 06/10/2022] [Indexed: 01/27/2023]
Abstract
Osteochondral defects are characterized by injuries to both cartilage and subchondral bone, which is a result of trauma, inflammation, or inappropriate loading. Due to the unique biological properties of subchondral bone and cartilage, developing a tissue engineering scaffold that can promote dual-lineage regeneration of cartilage and bone simultaneously remains a great challenge. In this study, a microporous nanosilicate-reinforced enzymatically crosslinked silk fibroin (SF) hydrogel is fabricated by introducing montmorillonite (MMT) nanoparticles via intercalation chemistry. In vitro studies show that SF-MMT nanocomposite hydrogel has improved mechanical properties and hydrophilicity, as well as the bioactivities to promote the osteogenic differentiation of bone marrow mesenchymal stem cells and maintain chondrocyte phenotype compared with SF hydrogel. Global proteomic analysis verifies the dual-lineage bioactivities of SF-MMT nanocomposite hydrogel, which are probably regulated by multiple signaling pathways. Furthermore, it is observed that the biophysical interaction of cells and SF-MMT nanocomposite hydrogel is partially mediated by clathrin-mediated endocytosis and its downstream processes. In vivo, the SF-MMT nanocomposite hydrogel effectively promotes osteochondral regeneration as evidenced by macroscopic, micro-CT, and histological evaluation. In conclusion, a functionalized SF-MMT nanocomposite hydrogel is developed with dual-lineage bioactivity for osteochondral regeneration, indicating its potential in osteochondral tissue engineering.
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Affiliation(s)
- Renwang Sheng
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Jialin Chen
- School of Medicine, Southeast University, Nanjing, 210009, China.,Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, Nanjing, 210096, China.,China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, 310058, China
| | - Hongmei Wang
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Yifan Luo
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Jia Liu
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Zhixuan Chen
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Qingyun Mo
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Jiayu Chi
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Chen Ling
- Department of Orthopaedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Xin Tan
- School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Qingqiang Yao
- China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, 310058, China.,Department of Orthopaedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Wei Zhang
- School of Medicine, Southeast University, Nanjing, 210009, China.,Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, Nanjing, 210096, China.,China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, 310058, China
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42
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Bucciarelli A, Motta A. Use of Bombyx mori silk fibroin in tissue engineering: From cocoons to medical devices, challenges, and future perspectives. BIOMATERIALS ADVANCES 2022; 139:212982. [PMID: 35882138 DOI: 10.1016/j.bioadv.2022.212982] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 06/07/2022] [Accepted: 06/08/2022] [Indexed: 05/26/2023]
Abstract
Silk fibroin has become a prominent material in tissue engineering (TE) over the last 20 years with almost 10,000 published works spanning in all the TE applications, from skeleton to neuronal regeneration. Fibroin is an extremely versatile biopolymer that, due to its ease of processing, has enabled the development of an entire plethora of materials whose properties and architectures can be tailored to suit target applications. Although the research and development of fibroin TE materials and devices is mature, apart from sutures, only a few medical products made of fibroin are used in the clinical routines. <40 clinical trials of Bombyx mori silk-related products have been reported by the FDA and few of them resulted in a commercialized device. In this review, after explaining the structure and properties of silk fibroin, we provide an overview of both fibroin constructs existing in the literature and fibroin devices used in clinic. Through the comparison of these two categories, we identified the burning issues faced by fibroin products during their translation to the market. Two main aspects will be considered. The first is the standardization of production processes, which leads both to the standardization of the characteristics of the issued device and the correct assessment of its failure. The second is the FDA regulations, which allow new devices to be marketed through the 510(k) clearance by demonstrating their equivalence to a commercialized medical product. The history of some fibroin medical devices will be taken as a case study. Finally, we will outline a roadmap outlining what actions we believe are needed to bring fibroin products to the market.
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Affiliation(s)
- Alessio Bucciarelli
- CNR nanotech, National Council of Research, University Campus Ecotekne, Via Monteroni, 73100 Lecce, Italy.
| | - Antonella Motta
- BIOtech research centre and European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Department of Industrial Engineering, University of Trento, Via delle Regole 101, 38123 Trento, Italy.
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Xu Z, Ma Y, Dai H, Tan S, Han B. Advancements and Applications in the Composites of Silk Fibroin and Graphene-Based Materials. Polymers (Basel) 2022; 14:polym14153110. [PMID: 35956625 PMCID: PMC9370577 DOI: 10.3390/polym14153110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/18/2022] [Accepted: 07/23/2022] [Indexed: 11/16/2022] Open
Abstract
Silk fibroin and three kinds of graphene-based materials (graphene, graphene oxide, and reduced graphene oxide) have been widely investigated in biomedical fields. Recently, the hybrid composites of silk fibroin and graphene-based materials have attracted much attention owing to their combined advantages, i.e., presenting outstanding biocompatibility, mechanical properties, and excellent electrical conductivity. However, maintaining bio-toxicity and biodegradability at a proper level remains a challenge for other applications. This report describes the first attempt to summarize the hybrid composites’ preparation methods, properties, and applications to the best of our knowledge. We strongly believe that this review will open new doors for coming researchers.
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Adsorption, Surface Viscoelasticity, and Foaming Properties of Silk Fibroin at the Air/Water Interface. COLLOIDS AND INTERFACES 2022. [DOI: 10.3390/colloids6030040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Like other proteins, the natural silk fibroin (SF) extracted from domesticated silkworms can adsorb at the air/water interface and stabilize foam due to its amphiphilic character and surface activity. At the interface, the adsorbed SF molecules experience structural reorganization and form water-insoluble viscoelastic films, which protect foam bubbles from coalescence and rupture. The solution conditions, such as protein concentration, pH, and additives, have significant influences on the molecular adsorption, layer thickness, interfacial mechanical strength, and, thus, on the foaming properties of SF. The understanding of the relationship between the interfacial adsorption, surface viscoelasticity, and foaming properties of SF is very important for the design, preparation, and application of SF foams in different fields.
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In vitro biological activities of the flexible and virus nanoparticle-decorated silk fibroin-based films. Int J Biol Macromol 2022; 216:437-445. [PMID: 35809668 DOI: 10.1016/j.ijbiomac.2022.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 06/26/2022] [Accepted: 07/02/2022] [Indexed: 11/21/2022]
Abstract
Flexible films were prepared from silk fibroin (SF) and gelatin (GA) with a presence of glycerol (Gly), followed by water vapor annealing to achieve water-insoluble matrices. The blended SF/GA/Gly films were chemically conjugated with tobacco mosaic virus (TMV), either native (TMV-wt) or genetically modified with Arg-Gly-Asp (RGD) sequences (TMV-rgd), to improve cellular responses. The attachment and proliferation of L929 cells on TMV-decorated films were improved, possibly due to enhanced surface roughness. The cellular responses were pronounced with TMV-rgd, due to the proper decoration of RGD, which is an integrin recognition motif supporting cell binding. However, the biological results were inconclusive for human primary cells because of an innate slow growth kinetic of the cells. Additionally, the cells on SF/GA/Gly films were greater populated in S and G2/M phase, and the cell cycle arrest was notably increased in the TMV-conjugated group. Our findings revealed that the films modified with TMV were cytocompatible and the cellular responses were significantly enhanced when conjugated with its RGD mutants. The biological analysis on the cellular mechanisms in response to TMV is further required to ensure the safety concern of the biomaterials toward clinical translation.
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Injectable PEG-induced silk nanofiber hydrogel for vancomycin delivery. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Peng Z, Li M, Wang Y, Yang H, Wei W, Liang M, Shi J, Liu R, Li R, Zhang Y, Liu J, Shi X, Wan R, Fu Y, Xie R, Wang Y. Self-Assembling Imageable Silk Hydrogels for the Focal Treatment of Osteosarcoma. Front Cell Dev Biol 2022; 10:698282. [PMID: 35794868 PMCID: PMC9251127 DOI: 10.3389/fcell.2022.698282] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 05/02/2022] [Indexed: 12/24/2022] Open
Abstract
Background: The standard treatment for osteosarcoma comprises complete surgical resection and neoadjuvant chemotherapy, which may cause serious side effects and partial or total limb loss. Therefore, to avoid the disadvantages of traditional treatment, we developed self-assembling imageable silk hydrogels for osteosarcoma. Methods: We analysed whether iodine induced apoptosis in MG-63 and Saos-2 cells by using CCK-8 and flow cytometry assays and transmission electron microscopy. Western blotting was used to analyse the pathway of iodine-induced apoptosis in osteosarcoma cells. PEG400, silk fibroin solution, polyvinylpyrrolidone iodine (PVP-I), and meglumine diatrizoate (MD) were mixed to produce an imageable hydrogel. A nude mouse model of osteosarcoma was established, and the hydrogel was injected locally into the interior of the osteosarcoma with X-ray guidance. The therapeutic effect and biosafety of the hydrogel were evaluated. Results: Iodine treatment at 18 and 20 µM for 12 h resulted in cell survival rate reduced to 50 ± 2.1% and 50.5 ± 2.7% for MG-63 and Sao-2 cells, respectively (p < 0.01). The proportion of apoptotic cells was significantly higher in the iodine-treatment group than in the control group (p < 0.05), and apoptotic bodies were observed by transmission electron microscopy. Iodine could regulate the death receptor pathway and induce MG-63 and Saos-2 cell apoptosis. The hydrogels were simple to assemble, and gels could be formed within 38 min. A force of less than 50 N was required to inject the gels with a syringe. The hydrogels were readily loaded and led to sustained iodine release over 1 week. The osteosarcoma volume in the PEG-iodine-silk/MD hydrogel group was significantly smaller than that in the other three groups (p < 0.001). Caspase-3 and poly (ADP-ribose) polymerase (PARP) expression levels were significantly higher in the PEG-iodine-silk/MD hydrogel group than in the other three groups (p < 0.001). Haematoxylin and eosin (H&E) staining showed no abnormalities in the heart, liver, spleen, lung, kidney, pancreas or thyroid in any group. Conclusions: Self-assembling imageable silk hydrogels could be injected locally into osteosarcoma tissues with X-ray assistance. With the advantages of good biosafety, low systemic toxicity and minimal invasiveness, self-assembling imageable silk hydrogels provide a promising approach for improving the locoregional control of osteosarcoma.
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Affiliation(s)
- Zhibin Peng
- Department of Orthopedic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, China
- The Key Laboratory of Myocardial Ischemia, Ministry of Education, Harbin Medical University, Harbin, China
| | - Ming Li
- Department of Critical Care Medicine, The Second Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, China
| | - Yuan Wang
- Innovation and Entrepreneurship Square, Science and Technology Innovation City, Hi-Tech Zone, Harbin, China
| | - Hongbo Yang
- Department of Orthopedic Surgery, Affiliated Hospital of Chifeng University, Chifeng University, Chifeng, China
| | - Wei Wei
- Department of Orthopedic Surgery, Harbin 242 Hospital, Harbin, China
| | - Min Liang
- Department of Orthopedic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, China
| | - Jianhui Shi
- Department of Orthopedic Surgery, Heilongjiang Provincial Hospital, Harbin, China
| | - Ruixuan Liu
- Department of Orthopedic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, China
| | - Rui Li
- Department of Orthopedic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, China
| | - Yubo Zhang
- Department of Orthopedic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, China
| | - Jingsong Liu
- Department of Orthopedic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, China
| | - Xu Shi
- Department of Orthopedic Surgery, Harbin 242 Hospital, Harbin, China
| | - Ran Wan
- Department of Orthopedic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, China
| | - Yao Fu
- Department of Orthopedic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, China
| | - Rui Xie
- Department of Digestive Internal Medicine and Photodynamic Therapy Center, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, China
| | - Yansong Wang
- Department of Orthopedic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, China
- *Correspondence: Yansong Wang,
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Silk Fibroin Hydrogels Could Be Therapeutic Biomaterials for Neurological Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:2076680. [PMID: 35547640 PMCID: PMC9085322 DOI: 10.1155/2022/2076680] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 04/18/2022] [Indexed: 12/17/2022]
Abstract
Silk fibroin, a natural macromolecular protein without physiological activity, has been widely used in different fields, such as the regeneration of bones, cartilage, nerves, and other tissues. Due to irrevocable neuronal injury, the treatment and prognosis of neurological diseases need to be investigated. Despite attempts to propel neuroprotective therapeutic approaches, numerous attempts to translate effective therapies for brain disease have been largely unsuccessful. As a good candidate for biomedical applications, hydrogels based on silk fibroin effectively amplify their advantages. The ability of nerve tissue regeneration, inflammation regulation, the slow release of drugs, antioxidative stress, regulation of cell death, and hemostasis could lead to a new approach to treating neurological disorders. In this review, we introduced the preparation of SF hydrogels and then delineated the probable mechanism of silk fibroin in the treatment of neurological diseases. Finally, we showed the application of silk fibroin in neurological diseases.
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Fang T, Zhu J, Xu S, Jia L, Ma Y. Highly stretchable, self-healing and conductive silk fibroin-based double network gels via a sonication-induced and self-emulsifying green procedure. RSC Adv 2022; 12:11574-11582. [PMID: 35432940 PMCID: PMC9007228 DOI: 10.1039/d2ra00954d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 04/07/2022] [Indexed: 11/23/2022] Open
Abstract
Regenerated silk fibroin (RSF)-based hydrogels are promising biomedical materials due to their biocompatibility and biodegradability. However, the weak mechanical properties and lack of functionality limit their practical applications. Here, we developed a tough and conductive RSF-based double network (DN) gel, consisting of a sonication-induced β-sheet physically crosslinked RSF/S gel as the first network and a hydrophobically associated polyacrylamide/stearyl methacrylate (PAAm/C18) gel as the second network. In particular, the cross-linking points of the second network were micelles formed by emulsifying the hydrophobic monomer (C18M) with a natural SF- capryl glucoside co-surfactant. The reversible dynamic bonds in the DN provided good self-healing ability and an effective dissipative energy mechanism for the DN hydrogel, while the addition of calcium ions improved the self-healing ability and electrical conductivity of the hydrogel. Under optimal conditions, the RSF/S-PAAm/C18 DN gels exhibited large extensibility (1400%), high tensile strength (0.3 MPa), satisfactory self-healing capability (90%) and electrical conductivity (0.12 S·m-1). The full physically interacted DN hydrogels are expected to be applied in various fields such as tissue engineering, biosensors and artificial electronic skin.
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Affiliation(s)
- Tao Fang
- College of Materials Science and Engineering, Taiyuan University of Technology Taiyuan 030024 China
| | - Jingxin Zhu
- College of Materials Science and Engineering, Taiyuan University of Technology Taiyuan 030024 China
| | - Shuai Xu
- College of Materials Science and Engineering, Taiyuan University of Technology Taiyuan 030024 China
| | - Lan Jia
- College of Materials Science and Engineering, Taiyuan University of Technology Taiyuan 030024 China
| | - Yanlong Ma
- College of Materials Science and Engineering, Taiyuan University of Technology Taiyuan 030024 China
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Moses JC, Mandal BB. Mesoporous Silk-Bioactive Glass Nanocomposites as Drug Eluting Multifunctional Conformal Coatings for Improving Osseointegration and Bactericidal Properties of Metal Implants. ACS APPLIED MATERIALS & INTERFACES 2022; 14:14961-14980. [PMID: 35320670 DOI: 10.1021/acsami.2c00093] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Endowing metal implants with multifunctional traits to prevent implant-associated infections and improve osseointegration has become a pivotal facet in orthopedics and dental fixation. Herein, we report the synthesis of mesoporous 70S bioactive glass-silk fibroin nanocomposites inspired by the biomimetic organo-apatites of mineralized collagen. The mesoporous, biomimetic nanocomposites enabled loading of antibiotics (gentamicin and doxycycline) and favored their release in a rapid manner while preserving their bioactivity. Ease in modification of the mesoporous nanocomposites enabled tailoring of 3-(aminopropyl)-triethoxysilane to the silanol network of bioactive glass, which improved the loading capacity of the hydrophobic drug (dexamethasone). The modification favored the slow and sustained release of dexamethasone from the modified mesoporous nanocomposites, which is desired for mediating osteogenesis and immunomodulation. Conformal coatings of these drug-loaded nanocomposites were materialized on stainless-steel implants through a facile electrophoretic deposition (EPD) technique, wherein the deposition yield can be controlled by applied parameters. Antibiotic coatings exhibited antibacterial efficacy with bioactivity retained up to 28 days, while dexamethasone-loaded coatings favored mesenchymal stem cell adhesion and osteoinduction. The immunomodulatory roles were also ascertained, wherein M2 macrophage biasness was favored in dexamethasone-loaded coatings. The versatility of these mesoporous biomimetic nanocomposites guarantee the loading of scenario-specific drugs to aid their local delivery through the conformal EPD coatings developed over metal implants toward improving implant patency.
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Affiliation(s)
- Joseph Christakiran Moses
- Biomaterials and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Biman B Mandal
- Biomaterials and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
- School of Health Science and Technology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
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