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Liu J, Yu J, Chen H, Zou Y, Wang Y, Zhou C, Tong L, Wang P, Liu T, Liang J, Sun Y, Zhang X, Fan Y. Porous gradient hydrogel promotes skin regeneration by angiogenesis. J Colloid Interface Sci 2024; 671:312-324. [PMID: 38815368 DOI: 10.1016/j.jcis.2024.05.075] [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: 03/05/2024] [Revised: 04/24/2024] [Accepted: 05/10/2024] [Indexed: 06/01/2024]
Abstract
The skin has a multilayered structure, and deep-seated injuries are exposed to external microbial invasion and in vivo microenvironmental destabilization. Here, a bilayer bionic skin scaffold (Bilayer SF) was developed based on methacrylated sericin protein to mimic the skin's multilayered structure and corresponding functions. The outer layer (SF@TA), which mimics the epidermal layer, was endowed with the function of resisting external bacterial and microbial invasion using a small pore structure and bio-crosslinking with tannic acid (TA). The inner layer (SF@DA@Gel), which mimics the dermal layer, was used to promote cellular growth using a large pore structure and introducing dopamine (DA) to regulate the wound microenvironment. This Bilayer SF showed good mechanical properties and structural stability, satisfactory antioxidant and promote cell proliferation and migration abilities. In vitro studies confirmed the antimicrobial properties of the outer layer and the pro-angiogenic ability of the inner layer. In vivo animal studies demonstrated that the bilayer scaffolds promoted collagen deposition, neovascularization, and marginal hair follicle formation, which might be a promising new bionic skin scaffold.
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Affiliation(s)
- Jingyi Liu
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China
| | - Jingwen Yu
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China
| | - Huiling Chen
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China
| | - Yaping Zou
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China
| | - Yuxiang Wang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China
| | - Chen Zhou
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China
| | - Lei Tong
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China
| | - Peilei Wang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China
| | - Tangjinhai Liu
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China
| | - Jie Liang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China; Sichuan Testing Center for Biomaterials and Medical Devices, Sichuan University, 29 Wangjiang Road, Chengdu 610064, PR China
| | - Yong Sun
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China.
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China
| | - Yujiang Fan
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China; College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, PR China.
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Naito A, Okushita K, Aoki A, Asakura T. Chain-Folded Lamellar Stacking Structure of the Crystalline Fraction of Bombyx mori Silk Fibroin with Silk II Form Studied by 2D 13C- 13C Homonuclear Correlation NMR Spectroscopy. J Phys Chem B 2024; 128:8459-8468. [PMID: 39167087 DOI: 10.1021/acs.jpcb.4c03716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
The structure of Bombyx mori silk fibroin (SF) is a subject of significant interest due to its remarkable physical properties; however, its atomic-level structure is still not conclusive. We previously proposed a lamellar stacking structure for the crystalline fraction (Cp) with β-turns occurring every eighth amino acid. In this study, we took the following steps: At first, a model of the chain-folded lamellar stacking structure in antipolar and antiparallel β-sheet layers was constructed. Then, dipolar-assisted rotational resonance solid-state NMR spectra were observed to determine the effective internuclear distance (rj,keff) for the uniformly 13C-labeled Cp fraction sample. By comparing the experimentally obtained rj,keff (obs) values with the calculated rj,keff (calc) values from our structural model, a fairly good correlation between the observed and calculated values of the internuclear distances was obtained with a standard deviation of 0.37 Å. This supports the existence of the chain-folded lamellar stacking structure in the SF fiber. These findings contribute to our understanding of the atomic-level structure of SF and its exceptional properties.
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Affiliation(s)
- Akira Naito
- Department of Biotechnology, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
| | - Keiko Okushita
- Department of Biotechnology, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
| | - Akihiro Aoki
- Department of Biotechnology, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
| | - Tetsuo Asakura
- Department of Biotechnology, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
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Kumar Parida V, Kavita, Arora R, Sharma T. Unleashing the power of silk-based proteins as biomaterials for cutting-edge drug delivery: a comprehensive review. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2024:1-25. [PMID: 39230985 DOI: 10.1080/09205063.2024.2397215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2024] [Accepted: 08/19/2024] [Indexed: 09/06/2024]
Abstract
Silk proteins, viz., sericin, fibroin and their modified forms etc., have been thoroughly researched as natural biopolymers for the development of varied nanomaterials exhibiting diverse biomedical applications. The silk proteins are extracted from the cocoons by degumming and treatment with soaps, followed by dissolution and dialysis against water. These proteins exhibit distinct mechanical and physicochemical characteristics including biocompatibility, controlled biodegradability, self-assembling traits, chemical modifiability, and adaptability, thus making it an ideal drug delivery vehicle. In this regard, silk protein-derived drug delivery systems have been reported as efficient carrier to encapsulate and stabilize the wide variety of pharmacological molecules, enzymes, proteins, vaccines, and even DNA, allowing them to remain active for a longer period of time. Further, different delivery carriers researched employing these proteins for multitude of applications include hydrogels, sponges, fibres, scaffolds and particulate delivery systems. Additionally, the chemical modification of silk proteins has further opened avenues for development of other modified silk proteins with improved physicochemical traits and hence exhibiting enormous potential in development of varied bioenhanced carrier systems. The current article thus provides the holistic information of characteristics, types of silk protein-based delivery carriers, and their fabrication techniques, while emphasizing the applications of different silk proteins in biomedicine and drug delivery.
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Affiliation(s)
| | - Kavita
- Chitkara College of Pharmacy, Rajpura, Punjab, India
| | - Rashmi Arora
- Chitkara College of Pharmacy, Rajpura, Punjab, India
| | - Teenu Sharma
- Chitkara College of Pharmacy, Rajpura, Punjab, India
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Hadkar VM, Mohanty C, Selvaraj CI. Biopolymeric nanocarriers in cancer therapy: unleashing the potency of bioactive anticancer compounds for enhancing drug delivery. RSC Adv 2024; 14:25149-25173. [PMID: 39139249 PMCID: PMC11317881 DOI: 10.1039/d4ra03911d] [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: 05/28/2024] [Accepted: 07/31/2024] [Indexed: 08/15/2024] Open
Abstract
Effective cancer treatment is becoming a global concern, and recent developments in nanomedicine are essential for its treatment. Cancer is a severe metabolic syndrome that affects the human population and is a significant contributing factor to deaths globally. In science, nanotechnology offers rapidly developing delivery methods for natural bioactive compounds that are becoming increasingly prominent and can be used to treat diseases in a site-specific way. Chemotherapy and radiotherapy are conventional approaches for preventing cancer progression and have adverse effects on the human body. Many chemically synthesized drugs are used as anticancer agents, but they have several side effects; hence, they are less preferred. Medicinal plants and marine microorganisms represent a vast, mostly untapped reservoir of bioactive compounds for cancer treatment. However, they have several limitations, including nonspecific targeting, weak water solubility and limited therapeutic potential. An alternative option is the use of biopolymeric nanocarriers, which can generate effective targeted treatment therapies when conjugated with natural anticancer compounds. The present review focuses on biopolymeric nanocarriers utilizing natural sources as anticancer drugs with improved tumor-targeting efficiency. This review also covers various natural anticancer compounds, the advantages and disadvantages of natural and synthetic anticancer compounds, the problems associated with natural anticancer drugs and the advantages of biopolymeric nanocarriers over synthetic nanocarriers as drug delivery agents. This review also discusses various biopolymeric nanocarriers for enhancing the controlled delivery of anticancer compounds and the future development of nanomedicines for treating cancer.
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Affiliation(s)
- Vrushali Manoj Hadkar
- School of Biosciences and Technology, Vellore Institute of Technology (VIT) Vellore 632014 Tamil Nadu India
| | - Chirasmita Mohanty
- School of Biosciences and Technology, Vellore Institute of Technology (VIT) Vellore 632014 Tamil Nadu India
| | - Chinnadurai Immanuel Selvaraj
- Department of Genetics and Plant Breeding, VIT School of Agricultural Sciences and Advanced Learning (VAIAL), VIT Vellore 632014 Tamil Nadu India
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Shi J, Liu Y, Ling Y, Tang H. Polysaccharide-protein based scaffolds for cartilage repair and regeneration. Int J Biol Macromol 2024; 274:133495. [PMID: 38944089 DOI: 10.1016/j.ijbiomac.2024.133495] [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: 05/09/2024] [Revised: 06/23/2024] [Accepted: 06/26/2024] [Indexed: 07/01/2024]
Abstract
Cartilage repair and regeneration have become a global issue that millions of patients from all over the world need surgical intervention to repair the articular cartilage annually due to the limited self-healing capability of the cartilage tissues. Cartilage tissue engineering has gained significant attention in cartilage repair and regeneration by integration of the chondrocytes (or stem cells) and the artificial scaffolds. Recently, polysaccharide-protein based scaffolds have demonstrated unique and promising mechanical and biological properties as the artificial extracellular matrix of natural cartilage. In this review, we summarize the modification methods for polysaccharides and proteins. The preparation strategies for the polysaccharide-protein based hydrogel scaffolds are presented. We discuss the mechanical, physical and biological properties of the polysaccharide-protein based scaffolds. Potential clinical translation and challenges on the artificial scaffolds are also discussed.
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Affiliation(s)
- Jin Shi
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
| | - Yu Liu
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
| | - Ying Ling
- Institute of Neuroscience, Soochow University, Suzhou 215123, China.
| | - Haoyu Tang
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China.
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6
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Sardari S, Hheidari A, Ghodousi M, Rahi A, Pishbin E. Nanotechnology in tissue engineering: expanding possibilities with nanoparticles. NANOTECHNOLOGY 2024; 35:392002. [PMID: 38941981 DOI: 10.1088/1361-6528/ad5cfb] [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: 10/29/2023] [Accepted: 06/28/2024] [Indexed: 06/30/2024]
Abstract
Tissue engineering is a multidisciplinary field that merges engineering, material science, and medical biology in order to develop biological alternatives for repairing, replacing, maintaining, or boosting the functionality of tissues and organs. The ultimate goal of tissue engineering is to create biological alternatives for repairing, replacing, maintaining, or enhancing the functionality of tissues and organs. However, the current landscape of tissue engineering techniques presents several challenges, including a lack of suitable biomaterials, inadequate cell proliferation, limited methodologies for replicating desired physiological structures, and the unstable and insufficient production of growth factors, which are essential for facilitating cell communication and the appropriate cellular responses. Despite these challenges, there has been significant progress made in tissue engineering techniques in recent years. Nanoparticles hold a major role within the realm of nanotechnology due to their unique qualities that change with size. These particles, which provide potential solutions to the issues that are met in tissue engineering, have helped propel nanotechnology to its current state of prominence. Despite substantial breakthroughs in the utilization of nanoparticles over the past two decades, the full range of their potential in addressing the difficulties within tissue engineering remains largely untapped. This is due to the fact that these advancements have occurred in relatively isolated pockets. In the realm of tissue engineering, the purpose of this research is to conduct an in-depth investigation of the several ways in which various types of nanoparticles might be put to use. In addition to this, it sheds light on the challenges that need to be conquered in order to unlock the maximum potential of nanotechnology in this area.
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Affiliation(s)
- Sohrab Sardari
- School of Mechanical Engineering, Iran University of Science and Technology, Tehran 13114-16846, Iran
| | - Ali Hheidari
- Department of Mechanical Engineering, Islamic Azad University, Science and Research branch, Tehran, Iran
| | - Maryam Ghodousi
- Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA, United States of America
| | - Amid Rahi
- Pathology and Stem Cell Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Esmail Pishbin
- Bio-microfluidics Lab, Department of Electrical Engineering and Information Technology, Iranian Research Organization for Science and Technology, Tehran, Iran
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Gao J, Ren J, Ye H, Chu W, Ding X, Ding L, Fu Y. Thymosin beta 10 loaded ZIF-8/sericin hydrogel promoting angiogenesis and osteogenesis for bone regeneration. Int J Biol Macromol 2024; 267:131562. [PMID: 38626832 DOI: 10.1016/j.ijbiomac.2024.131562] [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: 02/08/2024] [Revised: 04/04/2024] [Accepted: 04/10/2024] [Indexed: 04/20/2024]
Abstract
Angiogenesis is pivotal for osteogenesis during bone regeneration. A hydrogel that promotes both angiogenesis and osteogenesis is essential in bone tissue engineering. However, creating scaffolds with the ideal balance of biodegradability, osteogenic, and angiogenic properties poses a challenge. Thymosin beta 10 (TMSB10), known for its dual role in angiogenesis and osteogenesis differentiation, faces limitations due to protein activity preservation. To tackle this issue, ZIF-8 was engineered as a carrier for TMSB10 (TMSB10@ZIF-8), and subsequently integrated into the self-assembled sericin hydrogel. The efficacy of the composite hydrogel in bone repair was assessed using a rat cranial defect model. Characterization of the nanocomposites confirmed the successful synthesis of TMSB10@ZIF-8, with a TMSB10 encapsulation efficiency of 88.21 %. The sustained release of TMSB10 from TMSB10@ZIF-8 has significantly enhanced tube formation in human umbilical vein endothelial cells (HUVECs) in vitro and promoted angiogenesis in the chicken chorioallantoic membrane (CAM) model in vivo. It has markedly improved the osteogenic differentiation ability of MC 3 T3-E1 cells in vitro. 8 weeks post-implantation, the TMSB10@ZIF-8/ Sericin hydrogel group exhibited significant bone healing (86.77 ± 8.91 %), outperforming controls. Thus, the TMSB10@ZIF-8/Sericin hydrogel, leveraging ZIF-8 for TMSB10 delivery, emerges as a promising bone regeneration scaffold with substantial clinical application potential.
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Affiliation(s)
- Jia Gao
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Science, Taizhou University, Taizhou, Zhejiang 318000, PR China; College of Life Science and Medicine, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, PR China
| | - Jing Ren
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun, Jilin 130000, PR China
| | - Hanjie Ye
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Science, Taizhou University, Taizhou, Zhejiang 318000, PR China
| | - Wenhui Chu
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Science, Taizhou University, Taizhou, Zhejiang 318000, PR China.
| | - Xuankai Ding
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Science, Taizhou University, Taizhou, Zhejiang 318000, PR China; College of Life Science and Medicine, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, PR China
| | - Lingzhi Ding
- Taizhou Central Hospital, Taizhou University, Taizhou, Zhejiang 318000, PR China
| | - Yongqian Fu
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Science, Taizhou University, Taizhou, Zhejiang 318000, PR China.
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Fan R, Zhao J, Yi L, Yuan J, McCarthy A, Li B, Yang G, John JV, Wan W, Zhang Y, Chen S. Anti-Inflammatory Peptide-Conjugated Silk Fibroin/Cryogel Hybrid Dual Fiber Scaffold with Hierarchical Structure Promotes Healing of Chronic Wounds. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307328. [PMID: 38288789 DOI: 10.1002/adma.202307328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 12/17/2023] [Indexed: 02/06/2024]
Abstract
Chronic wounds resulting from diabetes, pressure, radiation therapy, and other factors continue to pose significant challenges in wound healing. To address this, this study introduces a novel hybrid fibroin fibrous scaffold (FFS) comprising randomly arranged fibroin fibers and vertically aligned cryogel fibers (CFs). The fibroin scaffold is efficiently degummed at room temperature and simultaneously formed a porous structure. The aligned CFs are produced via directional freeze-drying, achieved by controlling solution concentration and freezing polymerization temperature. The incorporation of aligned CFs into the expanded fibroin fiber scaffold leads to enhanced cell infiltration both in vitro and in vivo, further elevating the hybrid scaffold's tissue compatibility. The anti-inflammatory peptide 1 (AP-1) is also conjugated to the hybrid fibrous scaffold, effectively transforming the inflammatory status of chronic wounds from pro-inflammatory to pro-reparative. Consequently, the FFS-AP1+CF group demonstrates superior granulation tissue formation, angiogenesis, collagen deposition, and re-epithelialization during the proliferative phase compared to the commercial product PELNAC. Moreover, the FFS-AP1+CF group displays epidermis thickness, number of regenerated hair follicles, and collagen density closer to normal skin tissue. These findings highlight the potential of random fibroin fibers/aligned CFs hybrid fibrous scaffold as a promising approach for skin tissue filling and tissue regeneration.
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Affiliation(s)
- Ruyi Fan
- Department of Burn and Plastic Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of the Chinese Academy of Sciences, Wenzhou, Zhejiang, 325000, China
| | - Jiebing Zhao
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of the Chinese Academy of Sciences, Wenzhou, Zhejiang, 325000, China
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, 201399, China
| | - Lei Yi
- Department of Burn, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Jiayi Yuan
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of the Chinese Academy of Sciences, Wenzhou, Zhejiang, 325000, China
| | - Alec McCarthy
- Department of Surgery-Transplant and Mary and Dick Holland Regenerative Medicine Program, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Bo Li
- Department of Burn and Plastic Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of the Chinese Academy of Sciences, Wenzhou, Zhejiang, 325000, China
| | - Ganghua Yang
- Department of Orthopaedic Surgery, the Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China
| | - Johnson V John
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
| | - Wenbing Wan
- Department of Orthopaedic Surgery, the Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China
| | - Yi Zhang
- Department of Burn and Plastic Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, China
| | - Shixuan Chen
- Department of Burn and Plastic Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of the Chinese Academy of Sciences, Wenzhou, Zhejiang, 325000, China
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Schwenck LDC, Abreu PA, Nunes-da-Fonseca R. Spider's Silk as a Potential Source of Antibiotics: An Integrative Review. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10241-3. [PMID: 38460106 DOI: 10.1007/s12602-024-10241-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/27/2024] [Indexed: 03/11/2024]
Abstract
Spiders produce webs, which are still a largely unexplored source of antibacterial compounds, although the reports of its application in the medical field. Therefore, this study aims to present an integrative review of the antibacterial activity of spider webs. The research was conducted using Google Scholar, Scielo, Web of Science, PubMed, ScienceDirect, Medline EBSCO, LILACS, and Embase. The inclusion criteria were original articles written in English that studied the antibiotic properties of the web or isolated compounds tested. The studies were compared according to the spider species studied, the type of web, treatment of the sample, type of antimicrobial test, and the results obtained. Nine hundred and seventy-three publications were found, and after applying the inclusion and exclusion criteria, sixteen articles were selected. Bacterial inhibition was found in seven studies against various species of bacteria such as Escherichia coli, Klebsiella pneumoniae, Staphylococcus aureus, Salmonella Typhi, Bacillus megaterium, Listeria monocytogenes, Acinetobacter baumannii, Streptococcus pneumoniae, Pasteurella multocida, and Bacillus subtilis. Additionally, there was no apparent relationship between the proximity of the spider species evaluated in the studies and the presence or absence of activity. Methodological problems detected may affected the reproducibility and reliability of the results in some studies, such as the lack of description of the web or microorganism strain, as well as the absence of adequate controls and treatments to sterilize the sample. Spider webs can be a valuable source of antibiotics; however, more studies are needed to confirm the real activity of the web or components involved.
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Affiliation(s)
- Lucas da Costa Schwenck
- Instituto de Biodiversidade e Sustentabilidade-NUPEM, Universidade Federal do Rio de Janeiro (UFRJ), Av. São José do Barreto, 764, Macaé, Rio de Janeiro, CEP: 27920-560, Brazil
| | - Paula Alvarez Abreu
- Instituto de Biodiversidade e Sustentabilidade-NUPEM, Universidade Federal do Rio de Janeiro (UFRJ), Av. São José do Barreto, 764, Macaé, Rio de Janeiro, CEP: 27920-560, Brazil
| | - Rodrigo Nunes-da-Fonseca
- Instituto de Biodiversidade e Sustentabilidade-NUPEM, Universidade Federal do Rio de Janeiro (UFRJ), Av. São José do Barreto, 764, Macaé, Rio de Janeiro, CEP: 27920-560, Brazil.
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10
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Luo P, Ren C, Lu C, Pan X, Huang Z. Research progress of silk fibroin biomaterials: A bibliometric analysis from 2012 to 2022. MEDCOMM – BIOMATERIALS AND APPLICATIONS 2024; 3. [DOI: 10.1002/mba2.68] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 10/27/2023] [Indexed: 06/25/2024]
Affiliation(s)
- Peili Luo
- College of Pharmacy Jinan University Guangzhou China
| | - Chuanyu Ren
- College of Pharmacy Jinan University Guangzhou China
| | - Chao Lu
- College of Pharmacy Jinan University Guangzhou China
| | - Xin Pan
- School of Pharmaceutical Sciences Sun Yat‐sen University Guangzhou China
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11
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Oguntade E, Fougnier D, Meyer S, O'Grady K, Kudlack A, Henderson JH. Tuning the Topography of Dynamic 3D Scaffolds through Functional Protein Wrinkled Coatings. Polymers (Basel) 2024; 16:609. [PMID: 38475293 DOI: 10.3390/polym16050609] [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: 01/15/2024] [Revised: 02/15/2024] [Accepted: 02/21/2024] [Indexed: 03/14/2024] Open
Abstract
Surface wrinkling provides an approach to fabricate micron and sub-micron-level biomaterial topographies that can mimic features of the dynamic, in vivo cell environment and guide cell adhesion, alignment, and differentiation. Most wrinkling research to date has used planar, two-dimensional (2D) substrates, and wrinkling work on three-dimensional (3D) structures has been limited. To enable wrinkle formation on architecturally complex, biomimetic 3D structures, here, we report a simple, low-cost experimental wrinkling approach that combines natural silk fibroin films with a recently developed advanced manufacturing technique for programming strain in complex 3D shape-memory polymer (SMP) scaffolds. By systematically investigating the influence of SMP programmed strain magnitude, silk film thickness, and aqueous media on wrinkle morphology and stability, we reveal how to generate and tune silk wrinkles on the micron and sub-micron scale. We find that increasing SMP programmed strain magnitude increases wavelength and decreases amplitudes of silk wrinkled topographies, while increasing silk film thickness increases wavelength and amplitude. Silk wrinkles persist after 24 h in cell culture medium. Wrinkled topographies demonstrate high cell viability and attachment. These findings suggest the potential for fabricating biomimetic cellular microenvironments that can advance understanding and control of cell-material interactions in engineering tissue constructs.
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Affiliation(s)
- Elizabeth Oguntade
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, NY 13244, USA
- BioInspired Syracuse: Institute for Material and Living Systems, Syracuse University, Syracuse, NY 13244, USA
| | - Daniel Fougnier
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, NY 13244, USA
- BioInspired Syracuse: Institute for Material and Living Systems, Syracuse University, Syracuse, NY 13244, USA
| | - Sadie Meyer
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, NY 13244, USA
- BioInspired Syracuse: Institute for Material and Living Systems, Syracuse University, Syracuse, NY 13244, USA
| | - Kerrin O'Grady
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, NY 13244, USA
- BioInspired Syracuse: Institute for Material and Living Systems, Syracuse University, Syracuse, NY 13244, USA
| | - Autumn Kudlack
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, NY 13244, USA
- BioInspired Syracuse: Institute for Material and Living Systems, Syracuse University, Syracuse, NY 13244, USA
| | - James H Henderson
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, NY 13244, USA
- BioInspired Syracuse: Institute for Material and Living Systems, Syracuse University, Syracuse, NY 13244, USA
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12
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Gutiérrez B, González-Quijón ME, Martínez-Rodríguez P, Alarcón-Apablaza J, Godoy K, Cury DP, Lezcano MF, Vargas-Chávez D, Dias FJ. Comprehensive Development of a Cellulose Acetate and Soy Protein-Based Scaffold for Nerve Regeneration. Polymers (Basel) 2024; 16:216. [PMID: 38257015 PMCID: PMC10820324 DOI: 10.3390/polym16020216] [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: 10/27/2023] [Revised: 12/20/2023] [Accepted: 12/29/2023] [Indexed: 01/24/2024] Open
Abstract
BACKGROUND The elaboration of biocompatible nerve guide conduits (NGCs) has been studied in recent years as a treatment for total nerve rupture lesions (axonotmesis). Different natural polymers have been used in these studies, including cellulose associated with soy protein. The purpose of this report was to describe manufacturing NGCs suitable for nerve regeneration using the method of dip coating and evaporation of solvent with cellulose acetate (CA) functionalized with soy protein acid hydrolysate (SPAH). METHODS The manufacturing method and bacterial control precautions for the CA/SPAH NGCs were described. The structure of the NGCs was analyzed under a scanning electron microscope (SEM); porosity was analyzed with a degassing method using a porosimeter. Schwann cell (SCL 4.1/F7) biocompatibility of cell-seeded nerve guide conduits was evaluated with the MTT assay. RESULTS The method employed allowed an easy elaboration and customization of NGCs, free of bacteria, with pores in the internal surface, and the uniform wall thickness allowed manipulation, which showed flexibility; additionally, the sample was suturable. The NGCs showed initial biocompatibility with Schwann cells, revealing cells adhered to the NGC structure after 5 days. CONCLUSIONS The fabricated CA/SPAH NGCs showed adequate features to be used for peripheral nerve regeneration studies. Future reports are necessary to discuss the ideal concentration of CA and SPAH and the mechanical and physicochemical properties of this biomaterial.
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Affiliation(s)
- Brandon Gutiérrez
- Master Program in Dental Sciences, Dental School, Universidad de La Frontera, Temuco 4780000, Chile;
| | - María Eugenia González-Quijón
- Department of Chemical Engineering, Universidad de La Frontera, Temuco 4780000, Chile;
- Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4780000, Chile;
| | - Paulina Martínez-Rodríguez
- Oral Biology Research Centre (CIBO-UFRO), Dental School, Universidad de La Frontera, Temuco 4780000, Chile;
| | - Josefa Alarcón-Apablaza
- Research Centre in Dental Sciences (CICO-UFRO), Dental School, Universidad de La Frontera, Temuco 4780000, Chile;
- Doctoral Program in Morphological Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco 4780000, Chile;
| | - Karina Godoy
- Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4780000, Chile;
| | - Diego Pulzatto Cury
- Department of Anatomy, Institute of Biomedical Sciences, Universidade de São Paulo (ICB-USP), São Paulo 05508-000, Brazil;
- Department of Cellular Biology and the Development, Institute of Biomedical Sciences, Universidade de São Paulo (ICB-USP), São Paulo 05508-000, Brazil
| | - María Florencia Lezcano
- Departamento de Bioingeniería, Facultad de Ingeniería, Universidad Nacional de Entre Ríos, Oro Verde 3100, Argentina;
| | - Daniel Vargas-Chávez
- Doctoral Program in Morphological Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco 4780000, Chile;
- Facultad de Medicina y Ciencias de la Salud, Universidad Mayor, Escuela Medicina Veterinaria, Temuco 4780000, Chile
| | - Fernando José Dias
- Oral Biology Research Centre (CIBO-UFRO), Dental School, Universidad de La Frontera, Temuco 4780000, Chile;
- Department of Integral Adults Dentistry, Dental School, Universidad de La Frontera, Temuco 4780000, Chile
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13
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Asakura T, Naito A. Bombyx mori Silk Fibroin and Model Peptides Incorporating Arg-Gly-Asp Motifs and Their Application in Wound Dressings. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:18594-18604. [PMID: 38060376 DOI: 10.1021/acs.langmuir.3c02963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
Skin plays an important role in protecting the human body from the environment, dehydration, and infection. Burns, wounds, and disease cause the skin to lose its role, but tissue-engineered skin substitutes offer the opportunity to restore skin loss. Silk fibroin from Bombyx mori (SF) has proven to be an excellent wound dressing material. In this study, we aim to develop an excellent wound dressing material by introducing three-residue sequence Arg-Gly-Asp (RGD), which is the most well-known adhesion site of fibronectin, in the films of SF and the model peptide. Its usefulness as a wound dressing material was evaluated both in vitro and in vivo. First, we showed that the flexible structures of the RGD sequence are still maintained in SF with a rigid antiparallel β-sheet structure using NMR in association with excellent wound dressings of SF containing RGD. Then, in in vitro experiments, two types of normal cells derived from human skin, normal human neonatal epidermal keratinocytes and normal human neonatal dermal fibroblasts, were used to evaluate the cell adhesion. On the other hand, in in vivo experiments, the study was conducted using a rat model of a whole skin layer defect wound. The results showed that the high-functionalized SF developed here has the potential to play a significant role in the field of wound dressings.
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Affiliation(s)
- Tetsuo Asakura
- Department of Biotechnology, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Akira Naito
- Department of Biotechnology, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
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14
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Lu H, Jian M, Gan L, Zhang Y, Li S, Liang X, Wang H, Zhu M, Zhang Y. Highly strong and tough silk by feeding silkworms with rare earth ion-modified diets. Sci Bull (Beijing) 2023; 68:2973-2981. [PMID: 37798179 DOI: 10.1016/j.scib.2023.09.032] [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: 05/25/2023] [Revised: 08/15/2023] [Accepted: 09/13/2023] [Indexed: 10/07/2023]
Abstract
Nature-derived silk fibers possess excellent biocompatibility, sustainability, and mechanical properties, yet producing strong and tough silk fibers in a facile and large-scale manner remains a significant challenge. Herein, we report a simple method for preparing strong and tough silk fibers by feeding silkworms rare earth ion-modified diets. The resulting silk fibers exhibit significantly increased tensile strength and toughness, with average values of 0.85 ± 0.07 GPa and 156 ± 13 MJ m-3, respectively, and maximum values of 0.97 ± 0.04 GPa and 188 ± 19 MJ m-3, approaching those of spider dragline silk. Our findings suggest that the incorporation of rare earth ions (La3+ or Eu3+) into the silk fibers contributes to this enhancement. Structure analysis reveals a reduction in content and an improvement in orientation of β-sheet nanocrystals in silk fibers. X-ray photoelectron spectroscopy analysis confirms the chemical interaction between rare earth ions with β-sheet nanocrystals. The structural evolution and chemical interactions lead to the simultaneous enhancement in both strength and toughness. This work presents a simple, scalable, and effective strategy for producing ultra-strong and tough silk fibers with potential applications in areas requiring super structural materials, such as personal protection and aerospace.
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Affiliation(s)
- Haojie Lu
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Muqiang Jian
- Beijing Graphene Institute, Beijing 100095, China
| | - Linli Gan
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Yong Zhang
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Shuo Li
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Xiaoping Liang
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Haomin Wang
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Mengjia Zhu
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Yingying Zhang
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China.
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15
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Tolmachev DA, Malkamäki M, Linder MB, Sammalkorpi M. Spidroins under the Influence of Alcohol: Effect of Ethanol on Secondary Structure and Molecular Level Solvation of Silk-Like Proteins. Biomacromolecules 2023; 24:5638-5653. [PMID: 38019577 PMCID: PMC10716855 DOI: 10.1021/acs.biomac.3c00637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 11/08/2023] [Accepted: 11/08/2023] [Indexed: 11/30/2023]
Abstract
Future sustainable materials based on designer biomolecules require control of the solution assembly, but also interfacial interactions. Alcohol treatments of protein materials are an accessible means to this, making understanding of the process at the molecular level of seminal importance. We focus here on the influence of ethanol on spidroins, the main proteins of silk. By large-scale atomistically detailed molecular dynamics (MD) simulations and interconnected experiments, we characterize the protein aggregation, secondary structure changes, molecular level origins of them, and solvation environment changes for the proteins, as induced by ethanol as a solvation additive. The MD and circular dichoroism (CD) findings jointly show that ethanol promotes ordered structure in the protein molecules, leading to an increase of helix content and turns but also increased aggregation, as revealed by dynamic light scattering (DLS) and light microscopy. The structural changes correlate at the molecular level with increased intramolecular hydrogen bonding. The simulations reveal that polar amino acids, such as glutamine and serine, are most influenced by ethanol, whereas glycine residues are most prone to be involved in the ethanol-induced secondary structure changes. Furthermore, ethanol engages in interactions with the hydrophobic alanine-rich regions of the spidroin, significantly decreasing the hydrophobic interactions of the protein with itself and its surroundings. The protein solutes also change the microstructure of water/ethanol mixtures, essentially decreasing the level of larger local clustering. Overall, the work presents a systematic characterization of ethanol effects on a widely used, common protein type, spidroins, and generalizes the findings to other intrinsically disordered proteins by pinpointing the general features of the response. The results can aid in designing effective alcohol treatments for proteins, but also enable design and tuning of protein material properties by a relatively controllable solvation handle, the addition of ethanol.
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Affiliation(s)
- Dmitry A. Tolmachev
- Department
of Chemistry and Materials Science, Aalto
University, P.O. Box 16100, FI-00076 Aalto, Finland
- Academy
of Finland Center of Excellence in Life-Inspired Hybrid Materials
(LIBER), Aalto University, P.O. Box 16100, FI-00076 Aalto, Finland
| | - Maaria Malkamäki
- Department
of Bioproducts and Biosystems, Aalto University, P.O. Box 16100, FI-00076 Aalto, Finland
- Academy
of Finland Center of Excellence in Life-Inspired Hybrid Materials
(LIBER), Aalto University, P.O. Box 16100, FI-00076 Aalto, Finland
| | - Markus B. Linder
- Department
of Bioproducts and Biosystems, Aalto University, P.O. Box 16100, FI-00076 Aalto, Finland
- Academy
of Finland Center of Excellence in Life-Inspired Hybrid Materials
(LIBER), Aalto University, P.O. Box 16100, FI-00076 Aalto, Finland
| | - Maria Sammalkorpi
- Department
of Chemistry and Materials Science, Aalto
University, P.O. Box 16100, FI-00076 Aalto, Finland
- Department
of Bioproducts and Biosystems, Aalto University, P.O. Box 16100, FI-00076 Aalto, Finland
- Academy
of Finland Center of Excellence in Life-Inspired Hybrid Materials
(LIBER), Aalto University, P.O. Box 16100, FI-00076 Aalto, Finland
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16
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Xia L, Li L, Xiao Y, Xiao F, Liu L, Chen X, Li X, Wang H. Active colorimetric bilayer polycaprolactone-eucalyptus oil@silk fibroin-bayberry anthocyanins (PCL-EO@SF-BAs) membrane with directional water transport (DWT) for food packaging. J Colloid Interface Sci 2023; 651:356-367. [PMID: 37544224 DOI: 10.1016/j.jcis.2023.07.181] [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: 06/15/2023] [Revised: 07/25/2023] [Accepted: 07/28/2023] [Indexed: 08/08/2023]
Abstract
Currently, designing smart membranes with multifunctional effectiveness is crucial to food freshness monitoring and retention. Herein, an active colorimetric Janus bilayer membrane with directional water transport (DWT) performance is constructed by electrospinning, which comprises a hydrophilic layer of silk fibroin-bayberry anthocyanins (SF-BAs) and a hydrophobic layer of polycaprolactone-eucalyptus oil (PCL-EO). The entities of BAs and EO are well dispersed in the fiber matrix by hydrogen bonds and physical interactions, respectively. BAs endow the membrane colorimetric response and antioxidant activity, and EO contributes to the antibacterial activity while DWT performance is generated from the asymmetric wettability of the two layers. The bilayer membrane has an accumulative one-way transport index of 1077%, an overall moisture management capacity of 0.76 and a water evaporation rate of 0.48 g h-1. Moreover, the release of BAs and EO was predominantly controlled by Fickian diffusion. As a pH-sensing indicator, PCL-EO@SF-BAs is highly sensitive to external pH stimuli and the response is reversible. In addition to freshness monitoring, PCL-EO@SF-BAs can extend the shelf-life of pork beyond 100% at 4 °C. Also, it can extend the shelf life of shrimp by approximately 70% at 25 °C with the synergistic effect of antibacterial activity and the DWT performance.
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Affiliation(s)
- Li Xia
- School of Chemistry and Chemical Engineering, Hefei University of Technology, 230009 Hefei, Anhui, China
| | - Linlin Li
- School of Chemistry and Chemical Engineering, Hefei University of Technology, 230009 Hefei, Anhui, China
| | - Yewen Xiao
- School of Chemistry and Chemical Engineering, Hefei University of Technology, 230009 Hefei, Anhui, China
| | - Feng Xiao
- School of Chemistry and Chemical Engineering, Hefei University of Technology, 230009 Hefei, Anhui, China
| | - Lanhua Liu
- Instrumental Analysis Center, Hefei University of Technology, 230009 Hefei, Anhui, China
| | - Xiangying Chen
- School of Chemistry and Chemical Engineering, Hefei University of Technology, 230009 Hefei, Anhui, China
| | - Xingjiang Li
- School of Food and Biological Engineering, Hefei University of Technology, 230009 Hefei, Anhui, China; Anhui Institute of Agro-Products Intensive Processing Technology, 230009 Hefei, Anhui, China
| | - Hualin Wang
- School of Chemistry and Chemical Engineering, Hefei University of Technology, 230009 Hefei, Anhui, China; Anhui Institute of Agro-Products Intensive Processing Technology, 230009 Hefei, Anhui, China.
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17
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Samiraninezhad N, Asadi K, Rezazadeh H, Gholami A. Using chitosan, hyaluronic acid, alginate, and gelatin-based smart biological hydrogels for drug delivery in oral mucosal lesions: A review. Int J Biol Macromol 2023; 252:126573. [PMID: 37648126 DOI: 10.1016/j.ijbiomac.2023.126573] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 08/25/2023] [Accepted: 08/26/2023] [Indexed: 09/01/2023]
Abstract
AIMS Oral mucosal diseases can lead to pain, difficulty speaking and eating, psychological distress, and cancer. Topical drug delivery using biological macromolecules, specifically hydrogels, is gaining interest due to the drawbacks of conventional treatments for oral mucosal lesions. SCOPE Biological hydrogels made from natural polymers and their derivatives, such as chitosan, hyaluronic acid, alginate, and gelatin, represent promising alternatives to conventional oral medication delivery methods. Topical drug delivery is beneficial for oral mucosal lesions as it can directly target the affected area, especially with the development of smart stimuli-responsive hydrogels, which allow for more controlled drug release. Biological hydrogels have already been used to deliver drugs like lidocaine and nystatin. This review summarizes the current research on applying smart natural polymer-based hydrogels for drug delivery in oral mucosal lesions. CONCLUSION Smart biological hydrogels show great promise as topical drug delivery systems for oral mucosal lesions, offering sustained drug release, increased therapeutic efficacy, and minimized systemic complications. Technological advancement is expected to lead to the development of more effective and safer drug delivery systems. The potential benefits of biological polymer-based hydrogels make them an exciting area of research for oral mucosal lesion treatment.
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Affiliation(s)
- Nazafarin Samiraninezhad
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran; Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Khatereh Asadi
- Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran; Department of Medical Nanotechnology, School of Advanced Medical Science and Technology, Shiraz University of Medical Sciences, Shiraz, Iran; Guilan Road Trauma Research Center, Guilan University of Medical Sciences, Rasht, Iran
| | - Hojat Rezazadeh
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ahmad Gholami
- Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran; Department of Medical Nanotechnology, School of Advanced Medical Science and Technology, Shiraz University of Medical Sciences, Shiraz, Iran; Department of Pharmaceutical Biotechnology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran.
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18
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Sun Z, Huang R, Lyu H, Yu X, Wang W, Li J, Lu X, Guo C. Silk Acid as an Implantable Biomaterial for Tissue Regeneration. Adv Healthc Mater 2023; 12:e2301439. [PMID: 37647626 DOI: 10.1002/adhm.202301439] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 08/13/2023] [Indexed: 09/01/2023]
Abstract
Silk fibroin derived from the domesticated silkworm Bombyx mori is a protein-based biopolymer with low immunogenicity, intrinsic biodegradability, and tunable mechanical properties, showing great potential in biomedical applications. Using chemical modification to alter the primary structure of silk fibroin enables the expanded generation of new silk-based biomaterials. Inspired by the molecular structure of hyaluronic acid, which is enriched in carboxyl groups, an efficient method with scaling-up potential to achieve controlled carboxylation of silk fibroin to prepare silk acid (SA) is reported, and the biological properties of SA are further studied. The SA materials show tunable hydrophilicity and enzymatic degradation properties at different carboxylation degrees (CDs). Subcutaneous implantation in mice for up to 1 month reveals that the SA materials with a high CD present enhanced degradation while causing a mild foreign-body response, including a low inflammatory response and reduced fibrotic encapsulation. Immunofluorescence analysis further indicates that the SA materials show pro-angiogenesis properties and promote M2-type macrophage polarization to facilitate tissue regeneration. This implies great promise for SA materials as a new implantable biomaterial for tissue regeneration.
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Affiliation(s)
- Ziyang Sun
- School of Engineering, Westlake University, Hangzhou, Zhejiang, 310030, China
| | - Ruochuan Huang
- School of Engineering, Westlake University, Hangzhou, Zhejiang, 310030, China
| | - Hao Lyu
- School of Engineering, Westlake University, Hangzhou, Zhejiang, 310030, China
| | - Xin Yu
- School of Engineering, Westlake University, Hangzhou, Zhejiang, 310030, China
| | - Wenzhao Wang
- School of Engineering, Westlake University, Hangzhou, Zhejiang, 310030, China
| | - Jinghang Li
- School of Engineering, Westlake University, Hangzhou, Zhejiang, 310030, China
| | - Xingyu Lu
- Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province, Instrumentation and Service Center for Molecular Sciences, Westlake University, Hangzhou, Zhejiang, 310024, China
| | - Chengchen Guo
- School of Engineering, Westlake University, Hangzhou, Zhejiang, 310030, 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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19
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Asakura T, Williamson MP. A review on the structure of Bombyx mori silk fibroin fiber studied using solid-state NMR: An antipolar lamella with an 8-residue repeat. Int J Biol Macromol 2023:125537. [PMID: 37379946 DOI: 10.1016/j.ijbiomac.2023.125537] [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: 05/12/2023] [Revised: 06/19/2023] [Accepted: 06/21/2023] [Indexed: 06/30/2023]
Abstract
Silk fibroin (SF) fiber from the silkworm Bombyx mori in the Silk II form has been used as an excellent textile fiber for over 5000 years. Recently it has been developed for a range of biomedical applications. Further expansion of these uses builds on the excellent mechanical strength of SF fiber, which derives from its structure. This relationship between strength and SF structure has been studied for over 50 years, but it is still not well understood. In this review, we report the use of solid-state NMR to study stable-isotope labeled SF fiber and stable-isotope labeled peptides including (Ala-Gly)15 and (Ala-Gly-Ser-Gly-Ala-Gly)5 as models of the crystalline fraction. We show that the crystalline fraction is a lamellar structure with a repetitive folding using β-turns every eighth amino acid, and that the sidechains adopt an antipolar arrangement rather than the more well-known polar structure described by Marsh, Corey and Pauling (that is, the Ala methyls in each layer point in opposite directions in alternate strands). The amino acids Ser, Tyr and Val are the next most common in B. mori SF after Gly and Ala, and occur in the crystalline and semi-crystalline regions, probably defining the edges of the crystalline region. Thus, we now have an understanding of the main features of Silk II but there is still a long way to go.
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Affiliation(s)
- Tetsuo Asakura
- Department of Biotechnology, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan.
| | - Mike P Williamson
- School of Biosciences, University of Sheffield, Firth Court, Western Bank, Sheffield S10 2TN, UK
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20
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King JA, Zhang X, Ries ME. The Formation of All-Silk Composites and Time-Temperature Superposition. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16103804. [PMID: 37241431 DOI: 10.3390/ma16103804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/05/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023]
Abstract
Extensive studies have been conducted on utilising natural fibres as reinforcement in composite production. All-polymer composites have attracted much attention because of their high strength, enhanced interfacial bonding and recyclability. Silks, as a group of natural animal fibres, possess superior properties, including biocompatibility, tunability and biodegradability. However, few review articles are found on all-silk composites, and they often lack comments on the tailoring of properties through controlling the volume fraction of the matrix. To better understand the fundamental basis of the formation of silk-based composites, this review will discuss the structure and properties of silk-based composites with a focus on employing the time-temperature superposition principle to reveal the corresponding kinetic requirements of the formation process. Additionally, a variety of applications derived from silk-based composites will be explored. The benefits and constraints of each application will be presented and discussed. This review paper will provide a useful overview of research on silk-based biomaterials.
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Affiliation(s)
- James A King
- School of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, UK
| | - Xin Zhang
- School of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, UK
| | - Michael E Ries
- School of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, UK
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21
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Roblin NV, DeBari MK, Shefter SL, Iizuka E, Abbott RD. Development of a More Environmentally Friendly Silk Fibroin Scaffold for Soft Tissue Applications. J Funct Biomater 2023; 14:jfb14040230. [PMID: 37103320 PMCID: PMC10143335 DOI: 10.3390/jfb14040230] [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: 03/23/2023] [Revised: 04/12/2023] [Accepted: 04/14/2023] [Indexed: 04/28/2023] Open
Abstract
A push for environmentally friendly approaches to biomaterials fabrication has emerged from growing conservational concerns in recent years. Different stages in silk fibroin scaffold production, including sodium carbonate (Na2CO3)-based degumming and 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP)-based fabrication, have drawn attention for their associated environmental concerns. Environmentally friendly alternatives have been proposed for each processing stage; however, an integrated green fibroin scaffold approach has not been characterized or used for soft tissue applications. Here, we show that the combination of sodium hydroxide (NaOH) as a substitute degumming agent with the popular "aqueous-based" alternative silk fibroin gelation method yields fibroin scaffolds with comparable properties to traditional Na2CO3-degummed aqueous-based scaffolds. The more environmentally friendly scaffolds were found to have comparable protein structure, morphology, compressive modulus, and degradation kinetics, with increased porosity and cell seeding density relative to traditional scaffolds. Human adipose-derived stem cells showed high viability after three days of culture while seeded in each scaffold type, with uniform cell attachment to pore walls. Adipocytes from human whole adipose tissue seeded into scaffolds were found to have similar levels of lipolytic and metabolic function between conditions, in addition to a healthy unilocular morphology. Results indicate that our more environmentally friendly methodology for silk scaffold production is a viable alternative and well suited to soft tissue applications.
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Affiliation(s)
- Nathan V Roblin
- Department of Materials Science and Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Megan K DeBari
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Sandra L Shefter
- Department of Materials Science and Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Erica Iizuka
- Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Rosalyn D Abbott
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
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22
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The mechanical behavior of silk-fibroin reinforced alginate hydrogel biocomposites - Toward functional tissue biomimetics. J Mech Behav Biomed Mater 2023; 138:105598. [PMID: 36455380 DOI: 10.1016/j.jmbbm.2022.105598] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 11/08/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022]
Abstract
Soft tissues are constructed as fiber-reinforced composites consisting of structural mechanisms and unique mechanical behavior. Biomimetics of their mechanical behavior is currently a significant bioengineering challenge, emphasizing the need to replicate structural and mechanical mechanisms into novel biocomposite designs. Here we present a novel silk-based biocomposite laminate constructed from long natural silk and fibroin fibers embedded in an alginate hydrogel matrix. Controlling the mechanical features of these laminates were studied for different fiber volume fractions (VF) and orientations using unidirectional tensile tests. Three material systems were investigated having different fiber orientations: longitudinal (0°), transverse (90°), and cross-plied (0/90°). The general behavior of the biocomposite laminates was anisotropic hyperelastic with large deformations. Longitudinal fibroin laminates have shown a tensile modulus of 178.55 ± 14.46 MPa and tensile strength of 18.47 ± 2.01 MPa for 0.48 VF. With similar VF, cross-plied fibroin laminates demonstrated structural shielding ability, having a tensile modulus and tensile strength of 101.73 ± 8.04 MPa and 8.29 ± 1.63 MPa for only a third of the VF directed in the stretching direction. The stress-strain behavior was in a similar range to highly stiff native human soft tissues such as ligament and meniscus. These findings demonstrate the potential of the fibroin fiber-reinforced biocomposites to mimic the mechanics of tissues with a quantitatively controlled amount of fibers and designed spatial arrangement. This can lead to new solutions for the repair and replacement of damaged functional and highly stiff soft tissues.
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Silk fibroin bioscaffold from Bombyx mori and Antheraea assamensis elicits a distinct host response and macrophage activation paradigm in vivo and in vitro. BIOMATERIALS ADVANCES 2023; 145:213223. [PMID: 36502549 DOI: 10.1016/j.bioadv.2022.213223] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 11/10/2022] [Accepted: 11/24/2022] [Indexed: 11/30/2022]
Abstract
Biomaterials composed of silk fibroin from both mulberry and non-mulberry silkworm varieties have been investigated for their utility in tissue engineering and drug delivery, but these studies have largely excluded any evaluation of host immune response. The present study compares the macrophage activation response towards mulberry (Bombyx mori, BM) and non-mulberry (Antheraea assamensis, AA) silk types, individually and as a blend (BA) in a partial thickness rat abdominal wall defect model and in vitro primary murine bone marrow-derived macrophage (BMDM) assay. Biologic materials composed of liver extracellular matrix (LECM) and small intestinal submucosa (SIS) ECM that are recognized for constructive tissue remodeling, and polypropylene mesh that is associated with pro-inflammatory macrophage phenotype activation are used as controls in the animal model. The AA silk graft shows a host response similar to SIS with few foreign body multinucleate giant cells, vascularization, high CD206 expression, and high M2-like: M1-like macrophage phenotype ratio. Exposure to AA silk degradation products in vitro induces a higher arginase: iNOS ratio in both naive BMDM and pro-inflammatory activated BMDM; and higher Fizz1: iNOS ratio in pro-inflammatory activated BMDM. These data suggest that the AA silk supports a pro-remodeling macrophage response with potential therapeutic applications.
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Lin M, Hu Y, An H, Guo T, Gao Y, Peng K, Zhao M, Zhang X, Zhou H. Silk fibroin-based biomaterials for disc tissue engineering. Biomater Sci 2023; 11:749-776. [PMID: 36537344 DOI: 10.1039/d2bm01343f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Low back pain is the major cause of disability worldwide, and intervertebral disc degeneration (IVDD) is one of the most important causes of low back pain. Currently, there is no method to treat IVDD that can reverse or regenerate intervertebral disc (IVD) tissue, but the recent development of disc tissue engineering (DTE) offers a new means of addressing these disadvantages. Among numerous biomaterials for tissue engineering, silk fibroin (SF) is widely used due to its easy availability and excellent physical/chemical properties. SF is usually used in combination with other materials to construct biological scaffolds or bioactive substance delivery systems, or it can be used alone. The present article first briefly outlines the anatomical and physiological features of IVD, the associated etiology and current treatment modalities of IVDD, and the current status of DTE. Then, it highlights the characteristics of SF biomaterials and their latest research advances in DTE and discusses the prospects and challenges in the application of SF in DTE, with a view to facilitating the clinical process of developing interventions related to IVD-derived low back pain caused by IVDD.
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Affiliation(s)
- Maoqiang Lin
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou 730030, Gansu, China. .,Key Laboratory of Bone and Joint Disease Research of Gansu Province, Lanzhou 730030, Gansu, China
| | - Yicun Hu
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou 730030, Gansu, China. .,Key Laboratory of Bone and Joint Disease Research of Gansu Province, Lanzhou 730030, Gansu, China
| | - Haiying An
- Department of Laboratory Medicine, Zhongnan Hospital, Wuhan University, Wuhan 430000, Hubei, China
| | - Taowen Guo
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou 730030, Gansu, China. .,Key Laboratory of Bone and Joint Disease Research of Gansu Province, Lanzhou 730030, Gansu, China
| | - Yanbing Gao
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou 730030, Gansu, China. .,Key Laboratory of Bone and Joint Disease Research of Gansu Province, Lanzhou 730030, Gansu, China
| | - Kaichen Peng
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou 730030, Gansu, China. .,Key Laboratory of Bone and Joint Disease Research of Gansu Province, Lanzhou 730030, Gansu, China
| | - Meiling Zhao
- Key Laboratory of Bone and Joint Disease Research of Gansu Province, Lanzhou 730030, Gansu, China
| | - Xiaobo Zhang
- Department of Orthopedics, Honghui Hospital, Xi'an Jiaotong University, Xi'an 710000, Shaanxi, China.
| | - Haiyu Zhou
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou 730030, Gansu, China. .,Key Laboratory of Bone and Joint Disease Research of Gansu Province, Lanzhou 730030, Gansu, China
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Jaya Prakash N, Wang X, Kandasubramanian B. Regenerated silk fibroin loaded with natural additives: a sustainable approach towards health care. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2023:1-38. [PMID: 36648394 DOI: 10.1080/09205063.2023.2170137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
According to World Health Organization (WHO), on average, 0.5 Kg of hazardous waste is generated per bed every day in high-income countries. The adverse effects imposed by synthetic materials and chemicals on the environment and humankind have urged researchers to explore greener technologies and materials. Amidst of all the natural fibers, silk fibroin (SF), by virtue of its superior toughness (6 × 104∼16 × 104 J/kg), tensile strength (47.2-67.7 MPa), tunable biodegradability, excellent Young's modulus (1.9-3.9 GPa), presence of functional groups, ease of processing, and biocompatibility has garnered an enormous amount of scientific interests. The use of silk fibroin conjoint with purely natural materials can be an excellent solution for the adverse effects of chemical-based treatment techniques. Considering this noteworthiness, vigorous research is going on in silk-based biomaterials, and it is opening up new vistas of opportunities. This review enswathes the structural aspects of silk fibroin along with its potency to form composites with other natural materials, such as curcumin, keratin, alginate, hydroxyapatite, hyaluronic acid, and cellulose, that can replace the conventionally used synthetic materials, providing a sustainable pathway to biomedical engineering. It was observed that a large amount of polar functional moieties present on the silk fibroin surface enables them to compatibilize easily with the natural additives. The conjunction of silk with natural additives initiates synergistic interactions that mitigate the limitations offered by individual units as well as enhance the applicability of materials. Further the current status and challenges in the commercialization of silk-based biomedical devices are discussed.
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Affiliation(s)
- Niranjana Jaya Prakash
- Department of Metallurgical and Materials Engineering, Defence Institute of Advanced Technology (DU), Ministry of Defence, Structural Composites Laboratory, Girinagar, Pune, Maharashtra, India
| | - Xungai Wang
- Fiber Science and Technology, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
| | - Balasubramanian Kandasubramanian
- Department of Metallurgical and Materials Engineering, Defence Institute of Advanced Technology (DU), Ministry of Defence, Structural Composites Laboratory, Girinagar, Pune, Maharashtra, India
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Nie K, Zhou S, Li H, Tian J, Shen W, Huang W. Advanced silk materials for musculoskeletal tissue regeneration. Front Bioeng Biotechnol 2023; 11:1199507. [PMID: 37200844 PMCID: PMC10185897 DOI: 10.3389/fbioe.2023.1199507] [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: 04/03/2023] [Accepted: 04/19/2023] [Indexed: 05/20/2023] Open
Abstract
Musculoskeletal diseases are the leading causes of chronic pain and physical disability, affecting millions of individuals worldwide. Over the past two decades, significant progress has been made in the field of bone and cartilage tissue engineering to combat the limitations of conventional treatments. Among various materials used in musculoskeletal tissue regeneration, silk biomaterials exhibit unique mechanical robustness, versatility, favorable biocompatibility, and tunable biodegradation rate. As silk is an easy-to-process biopolymer, silks have been reformed into various materials formats using advanced bio-fabrication technology for the design of cell niches. Silk proteins also offer active sites for chemical modifications to facilitate musculoskeletal system regeneration. With the emergence of genetic engineering techniques, silk proteins have been further optimized from the molecular level with other functional motifs to introduce new advantageous biological properties. In this review, we highlight the frontiers in engineering natural and recombinant silk biomaterials, as well as recent progress in the applications of these new silks in the field of bone and cartilage regeneration. The future potentials and challenges of silk biomaterials in musculoskeletal tissue engineering are also discussed. This review brings together perspectives from different fields and provides insight into improved musculoskeletal engineering.
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Affiliation(s)
- Kexin Nie
- Centre for Regeneration and Cell Therapy, The Zhejiang University—University of Edinburgh Institute, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
| | - Sicheng Zhou
- Department of Orthopedics of the Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
| | - Hu Li
- Centre for Regeneration and Cell Therapy, The Zhejiang University—University of Edinburgh Institute, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
| | - Jingyi Tian
- Centre for Regeneration and Cell Therapy, The Zhejiang University—University of Edinburgh Institute, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
| | - Weiliang Shen
- Department of Orthopedics of the Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
| | - Wenwen Huang
- Centre for Regeneration and Cell Therapy, The Zhejiang University—University of Edinburgh Institute, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
- Department of Orthopedics of the Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
- Dr. Li Dak Sum and Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China
- *Correspondence: Wenwen Huang,
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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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Sinha A, Simnani FZ, Singh D, Nandi A, Choudhury A, Patel P, Jha E, chouhan RS, Kaushik NK, Mishra YK, Panda PK, Suar M, Verma SK. The translational paradigm of nanobiomaterials: Biological chemistry to modern applications. Mater Today Bio 2022; 17:100463. [PMID: 36310541 PMCID: PMC9615318 DOI: 10.1016/j.mtbio.2022.100463] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 10/11/2022] [Accepted: 10/12/2022] [Indexed: 11/11/2022] Open
Abstract
Recently nanotechnology has evolved as one of the most revolutionary technologies in the world. It has now become a multi-trillion-dollar business that covers the production of physical, chemical, and biological systems at scales ranging from atomic and molecular levels to a wide range of industrial applications, such as electronics, medicine, and cosmetics. Nanobiomaterials synthesis are promising approaches produced from various biological elements be it plants, bacteria, peptides, nucleic acids, etc. Owing to the better biocompatibility and biological approach of synthesis, they have gained immense attention in the biomedical field. Moreover, due to their scaled-down sized property, nanobiomaterials exhibit remarkable features which make them the potential candidate for different domains of tissue engineering, materials science, pharmacology, biosensors, etc. Miscellaneous characterization techniques have been utilized for the characterization of nanobiomaterials. Currently, the commercial transition of nanotechnology from the research level to the industrial level in the form of nano-scaffolds, implants, and biosensors is stimulating the whole biomedical field starting from bio-mimetic nacres to 3D printing, multiple nanofibers like silk fibers functionalizing as drug delivery systems and in cancer therapy. The contribution of single quantum dot nanoparticles in biological tagging typically in the discipline of genomics and proteomics is noteworthy. This review focuses on the diverse emerging applications of Nanobiomaterials and their mechanistic advancements owing to their physiochemical properties leading to the growth of industries on different biomedical measures. Alongside the implementation of such nanobiomaterials in several drug and gene delivery approaches, optical coding, photodynamic cancer therapy, and vapor sensing have been elaborately discussed in this review. Different parameters based on current challenges and future perspectives are also discussed here.
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Affiliation(s)
- Adrija Sinha
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, Odisha, India
| | | | - Dibyangshee Singh
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, Odisha, India
| | - Aditya Nandi
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, Odisha, India
| | - Anmol Choudhury
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, Odisha, India
| | - Paritosh Patel
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, Odisha, India
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, 01897, Seoul, South Korea
| | - Ealisha Jha
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, Odisha, India
| | - Raghuraj Singh chouhan
- Department of Environmental Sciences, Jožef Stefan Institute, Jamova 39, 1000, Ljubljana, Slovenia
| | - Nagendra Kumar Kaushik
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, 01897, Seoul, South Korea
| | - Yogendra Kumar Mishra
- Mads Clausen Institute, NanoSYD, University of Southern Denmark, Alsion 2, 6400, Sønderborg, Denmark
| | - Pritam Kumar Panda
- Condensed Matter Theory Group, Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Box 516, SE-751 20 Uppsala, Sweden
| | - Mrutyunjay Suar
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, Odisha, India
| | - Suresh K. Verma
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, Odisha, India
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Asakura T, Nishimura A, Naito A. Stretching-Induced Conformational Transition of [3- 13C]Ser- and [3- 13C]Tyr- Antheraea yamamai Silk Fibroin before Spinning Investigated with 13C Solid-State NMR Spectroscopy. Biomacromolecules 2022; 23:5095-5105. [PMID: 36449573 DOI: 10.1021/acs.biomac.2c00937] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
The conformational transition of [3-13C]Ser- and [3-13C]Tyr-Antheraea yamamai silk fibroin before spinning induced by stretching was investigated with 13C CP/MAS NMR spectroscopy. The α-helix content of the silk fibroin before stretching was found to be 31.6% based on the Ala and Ser peaks. With increasing stretching ratio, the α-helix and the random coil Ala Cβ peaks decreased gradually, while the β-sheet peak was observed at a stretching ratio of ×5 and increased rapidly upon further stretching. For Ser residue, the α-helix peak decreased monotonically with increasing stretching ratio, but the random coil peak increased slightly till the stretching ratio of ×5 and then decreased. A small β-sheet peak was observed before stretching and then increased rapidly starting from the stretching ratio of ×7. In contrast, a gradual decrease of random coil peak and an increase of β-sheet peak were observed for the Tyr residue. The results of this investigation may be helpful for further studies of fiber formation mechanism in A. yamamai and in the future design of artificial silk materials.
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Affiliation(s)
- Tetsuo Asakura
- Department of Biotechnology, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Akio Nishimura
- Department of Biotechnology, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Akira Naito
- Department of Biotechnology, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
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Sah MK, Mukherjee S, Flora B, Malek N, Rath SN. Advancement in "Garbage In Biomaterials Out (GIBO)" concept to develop biomaterials from agricultural waste for tissue engineering and biomedical applications. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2022; 20:1015-1033. [PMID: 36406592 PMCID: PMC9672289 DOI: 10.1007/s40201-022-00815-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 06/27/2022] [Indexed: 06/16/2023]
Abstract
UNLABELLED Presently on a global scale, one of the major concerns is to find effective strategies to manage the agricultural waste to protect the environment. One strategy that has been drawing attention among the researchers is the development of biocompatible materials from agricultural waste. This strategy implies successful conversion of agricultural waste products (e.g.: cellulose, eggshell etc.) into building blocks for biomaterial development. Some of these wastes contain even bioactive compounds having biomedical applications. The replacement and augmentation of human tissue with biomaterials as alternative to traditional method not only bypasses immune-rejection, donor scarcity, and maintenance; but also provides long term solution to damaged or malfunctioning organs. Biomaterials development as one of the key challenges in tissue engineering approach, resourced from natural origin imparts better biocompatibility due to closely mimicking composition with cellular microenvironment. The "Garbage In, Biomaterials Out (GIBO)" concept, not only recycles the agricultural wastes, but also adds to biomaterial raw products for further product development in tissue regeneration. This paper reviews the conversion of garbage agricultural by-products to the biocompatible materials for various biomedical applications. GRAPHICAL ABSTRACT The agro-waste biomass processed, purified, modified, and further utilized for the fabrication of biomaterials-based support system for tissue engineering applications to grow living body parts in vitro or in vivo.
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Affiliation(s)
- Mahesh Kumar Sah
- Department of Biotechnology, Dr. B. R. Ambedkar, National Institute of Technology, Jalandhar, Punjab 144011 India
| | - Sunny Mukherjee
- Department of Biotechnology, Dr. B. R. Ambedkar, National Institute of Technology, Jalandhar, Punjab 144011 India
| | - Bableen Flora
- Department of Biotechnology, Lovely Professional University, Jalandhar, Punjab India
| | - Naved Malek
- Department of Chemistry, S. V. National Institute of Technology, Surat, Gujarat India
| | - Subha Narayan Rath
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Medak, Telangana India
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Zhang H, Xu D, Zhang Y, Li M, Chai R. Silk fibroin hydrogels for biomedical applications. SMART MEDICINE 2022; 1:e20220011. [PMID: 39188746 PMCID: PMC11235963 DOI: 10.1002/smmd.20220011] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 09/15/2022] [Indexed: 08/28/2024]
Abstract
Silk fibroin hydrogels occupy an essential position in the biomedical field due to their remarkable biological properties, excellent mechanical properties, flexible processing properties, as well as abundant sources and low cost. Herein, we introduce the unique structures and physicochemical characteristics of silk fibroin, including mechanical properties, biocompatibility, and biodegradability. Then, various preparation strategies of silk fibroin hydrogels are summarized, which can be divided into physical cross-linking and chemical cross-linking. Emphatically, the applications of silk fibroin hydrogel biomaterials in various biomedical fields, including tissue engineering, drug delivery, and wearable sensors, are systematically summarized. At last, the challenges and future prospects of silk fibroin hydrogels in biomedical applications are discussed.
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Affiliation(s)
- Hui Zhang
- State Key Laboratory of BioelectronicsDepartment of Otolaryngology Head and Neck SurgeryZhongda HospitalSchool of Life Science and TechnologyJiangsu Province High‐Tech Key Laboratory for Bio‐Medical ResearchSoutheast UniversityNanjingChina
- School of Biological Science and Medical EngineeringSoutheast UniversityNanjingChina
| | - Dongyu Xu
- State Key Laboratory of BioelectronicsDepartment of Otolaryngology Head and Neck SurgeryZhongda HospitalSchool of Life Science and TechnologyJiangsu Province High‐Tech Key Laboratory for Bio‐Medical ResearchSoutheast UniversityNanjingChina
- School of Biological Science and Medical EngineeringSoutheast UniversityNanjingChina
| | - Yong Zhang
- School of PhysicsSoutheast UniversityNanjingChina
| | - Minli Li
- School of Biological Science and Medical EngineeringSoutheast UniversityNanjingChina
| | - Renjie Chai
- State Key Laboratory of BioelectronicsDepartment of Otolaryngology Head and Neck SurgeryZhongda HospitalSchool of Life Science and TechnologyJiangsu Province High‐Tech Key Laboratory for Bio‐Medical ResearchSoutheast UniversityNanjingChina
- Co‐innovation Center of NeuroregenerationNantong UniversityNantongChina
- Department of Otorhinolaryngology‐Head and Neck SurgeryAffiliated Drum Tower Hospital of Nanjing University Medical SchoolNanjingChina
- Department of Otolaryngology Head and Neck SurgerySichuan Provincial People's HospitalUniversity of Electronic Science and Technology of ChinaChengduChina
- Institute for Stem Cell and RegenerationChinese Academy of SciencesBeijingChina
- Beijing Key Laboratory of Neural Regeneration and RepairCapital Medical UniversityBeijingChina
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Fometu SS, Ma Q, Wang J, Guo J, Ma L, Wu G. Biological Effect Evaluation of Different Sized Titanium Dioxide Nanoparticles Using Bombyx mori (Silkworm) as a Model Animal. Biol Trace Elem Res 2022; 200:5260-5272. [PMID: 34997532 DOI: 10.1007/s12011-021-03086-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 12/23/2021] [Indexed: 11/02/2022]
Abstract
Titanium dioxide nanoparticles (TiO2 NPs) are widely used in various disciplines, and it is imperative to evaluate their safety in the environment. In this paper, Bombyx mori (silkworm) was used as a model organism to evaluate the biological effects of different sized TiO2 NPs, taking into consideration their effect on the larval growth, cocoon shell weight, tissues, and silk produced. The effect of the different sized TiO2 NPs on the larval and cocoon shell weight was dose-dependent. The highest accumulation of titanium (Ti) following a modified TiO2 NPs-treated mulberry diet was observed in the midgut. The expression of the light chain fibroin (FIBL) was three times higher in 0.33 g TiO2 NPs-treated silk gland after 96 h. X-ray diffraction (XRD) and Fourier transform infrared (FTIR) analysis demonstrated that TiO2 NPs-treated silk fiber (TiSF) exhibited a diminutive decrease in silk fiber (SF) crystallization and β-sheet compared to the control SF, respectively. The tensile tests of SF from silkworm fed with 0.03 g of 25 nm TiO2 NPs were significantly improved when compared to the control SF. Significant changes in the surface morphology and thermal stability of SF were observed. The antimicrobial activity of TiSF was investigated against Pseudomonas aeruginosa and Staphylococcus aureus, with ciprofloxacin-treated SF acting as a control. It was documented that 0.09 g of 60 nm TiSF was most effective against P. aeruginosa at a zone of inhibition (ZOI) of 21.06 mm when compared with the control SF which recorded a ZOI of 17.19 mm. This study highlighted a different approach in evaluating the biological effects of TiO2 NPs using the silkworm as a model and assessing their impact on the silk intrinsic property, which will be effective in biotechnology applications.
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Affiliation(s)
- Sandra Senyo Fometu
- College of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, 212100, People's Republic of China
- Biofuels Institute, School of Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, People's Republic of China
| | - Qiang Ma
- College of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212100, People's Republic of China
| | - JinJin Wang
- College of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, 212100, People's Republic of China
| | - Jianjun Guo
- College of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, 212100, People's Republic of China
- College of Agriculture, Anshun University, Anshun, 561000, People's Republic of China
| | - Lin Ma
- College of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, 212100, People's Republic of China
| | - Guohua Wu
- College of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, 212100, People's Republic of China.
- College of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212100, People's Republic of China.
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Natural Biopolymers for Bone Tissue Engineering: A Brief Review. ENGINEERED REGENERATION 2022. [DOI: 10.1016/j.engreg.2022.12.002] [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] Open
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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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Rizzi S, Mantero S, Boschetti F, Pesce M. Luminal endothelialization of small caliber silk tubular graft for vascular constructs engineering. Front Cardiovasc Med 2022; 9:1013183. [PMID: 36465472 PMCID: PMC9708712 DOI: 10.3389/fcvm.2022.1013183] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 10/31/2022] [Indexed: 09/29/2023] Open
Abstract
The constantly increasing incidence of coronary artery disease worldwide makes necessary to set advanced therapies and tools such as tissue engineered vessel grafts (TEVGs) to surpass the autologous grafts [(i.e., mammary and internal thoracic arteries, saphenous vein (SV)] currently employed in coronary artery and vascular surgery. To this aim, in vitro cellularization of artificial tubular scaffolds still holds a good potential to overcome the unresolved problem of vessel conduits availability and the issues resulting from thrombosis, intima hyperplasia and matrix remodeling, occurring in autologous grafts especially with small caliber (<6 mm). The employment of silk-based tubular scaffolds has been proposed as a promising approach to engineer small caliber cellularized vascular constructs. The advantage of the silk material is the excellent manufacturability and the easiness of fiber deposition, mechanical properties, low immunogenicity and the extremely high in vivo biocompatibility. In the present work, we propose a method to optimize coverage of the luminal surface of silk electrospun tubular scaffold with endothelial cells. Our strategy is based on seeding endothelial cells (ECs) on the luminal surface of the scaffolds using a low-speed rolling. We show that this procedure allows the formation of a nearly complete EC monolayer suitable for flow-dependent studies and vascular maturation, as a step toward derivation of complete vascular constructs for transplantation and disease modeling.
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Affiliation(s)
- Stefano Rizzi
- Centro Cardiologico Monzino, IRCCS, Milan, Italy
- Ph.D. Program in Biomedical Engineering, Politecnico di Milano, Milan, Italy
| | - Sara Mantero
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Milan, Italy
| | - Federica Boschetti
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Milan, Italy
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Wongkrongsak S, Piroonpan T, Coqueret X, Pasanphan W. Radiation-processed silk fibroin micro- /nano-gels as promising antioxidants: Electron beam treatment and physicochemical characterization. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Croft AS, Spessot E, Bhattacharjee P, Yang Y, Motta A, Wöltje M, Gantenbein B. Biomedical applications of silk and its role for intervertebral disc repair. JOR Spine 2022; 5:e1225. [PMID: 36601376 PMCID: PMC9799090 DOI: 10.1002/jsp2.1225] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 08/10/2022] [Accepted: 09/10/2022] [Indexed: 12/30/2022] Open
Abstract
Intervertebral disc (IVD) degeneration (IDD) is the main contributor to chronic low back pain. To date, the present therapies mainly focus on treating the symptoms caused by IDD rather than addressing the problem itself. For this reason, researchers have searched for a suitable biomaterial to repair and/or regenerate the IVD. A promising candidate to fill this gap is silk, which has already been used as a biomaterial for many years. Therefore, this review aims first to elaborate on the different origins from which silk is harvested, the individual composition, and the characteristics of each silk type. Another goal is to enlighten why silk is so suitable as a biomaterial, discuss its functionalization, and how it could be used for tissue engineering purposes. The second part of this review aims to provide an overview of preclinical studies using silk-based biomaterials to repair the inner region of the IVD, the nucleus pulposus (NP), and the IVD's outer area, the annulus fibrosus (AF). Since the NP and the AF differ fundamentally in their structure, different therapeutic approaches are required. Consequently, silk-containing hydrogels have been used mainly to repair the NP, and silk-based scaffolds have been used for the AF. Although most preclinical studies have shown promising results in IVD-related repair and regeneration, their clinical transition is yet to come.
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Affiliation(s)
- Andreas S. Croft
- Tissue Engineering for Orthopaedic & Mechanobiology, Bone & Joint Program, Department for BioMedical Research (DBMR), Medical FacultyUniversity of BernBernSwitzerland
| | - Eugenia Spessot
- Department of Industrial Engineering and BIOtech Research CenterUniversity of TrentoTrentoItaly,European Institute of Excellence on Tissue Engineering and Regenerative Medicine UnitTrentoItaly
| | - Promita Bhattacharjee
- Department of Chemical SciencesSSPC the Science Foundation Ireland Research Centre for Pharmaceuticals, Bernal Institute, University of LimerickLimerickIreland
| | - Yuejiao Yang
- Department of Industrial Engineering and BIOtech Research CenterUniversity of TrentoTrentoItaly,European Institute of Excellence on Tissue Engineering and Regenerative Medicine UnitTrentoItaly,INSTM, Trento Research Unit, Interuniversity Consortium for Science and Technology of MaterialsTrentoItaly
| | - Antonella Motta
- Department of Industrial Engineering and BIOtech Research CenterUniversity of TrentoTrentoItaly,European Institute of Excellence on Tissue Engineering and Regenerative Medicine UnitTrentoItaly,INSTM, Trento Research Unit, Interuniversity Consortium for Science and Technology of MaterialsTrentoItaly
| | - Michael Wöltje
- Institute of Textile Machinery and High Performance Material TechnologyDresdenGermany
| | - Benjamin Gantenbein
- Tissue Engineering for Orthopaedic & Mechanobiology, Bone & Joint Program, Department for BioMedical Research (DBMR), Medical FacultyUniversity of BernBernSwitzerland,Department of Orthopaedic Surgery & Traumatology, InselspitalBern University Hospital, Medical Faculty, University of BernBernSwitzerland
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Ross A, Sauce-Guevara MA, Alarcon EI, Mendez-Rojas MA. Peptide Biomaterials for Tissue Regeneration. Front Bioeng Biotechnol 2022; 10:893936. [PMID: 35992354 PMCID: PMC9388858 DOI: 10.3389/fbioe.2022.893936] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 06/06/2022] [Indexed: 11/21/2022] Open
Abstract
Expanding the toolbox of therapeutic materials for soft tissue and organ repair has become a critical component of tissue engineering. While animal- and plant-derived proteins are the foundation for developing biomimetic tissue constructs, using peptides as either constituents or frameworks for the materials has gained increasing momentum in recent years. This mini review discusses recent advances in peptide-based biomaterials' design and application. We also discuss some of the future challenges posed and opportunities opened by peptide-based structures in the field of tissue engineering and regenerative medicine.
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Affiliation(s)
- Alex Ross
- Division of Cardiac Surgery, University of Ottawa Heart Institute, Ottawa, ON, Canada
- Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON, Canada
| | - Mildred A. Sauce-Guevara
- Department of Chemical and Biological Sciences, Universidad de Las Américas Puebla, Puebla, Mexico
| | - Emilio I. Alarcon
- Division of Cardiac Surgery, University of Ottawa Heart Institute, Ottawa, ON, Canada
- Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON, Canada
| | - Miguel A. Mendez-Rojas
- Department of Chemical and Biological Sciences, Universidad de Las Américas Puebla, Puebla, Mexico
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Asakura T, Naito A. Structure of silk I (Bombyx mori silk fibroin before spinning) in the dry and hydrated states studied using 13C solid-state NMR spectroscopy. Int J Biol Macromol 2022; 216:282-290. [PMID: 35788005 DOI: 10.1016/j.ijbiomac.2022.06.192] [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: 05/25/2022] [Revised: 06/28/2022] [Accepted: 06/28/2022] [Indexed: 11/05/2022]
Abstract
Nowadays, much attention has been paid to Bombyx mori silk fibroin (SF) by many researchers because of excellent physical properties and biocompatibility. These superior properties originate from the structure of SF and therefore, the structural analysis is a key to clarify the superiority. Here we concentrated on silk I structure (SF structure before spinning). We showed that silk I* (the structure of (GAGAGS)n which is a main part of SF) is a repeated type II β-turn, neither α-helix nor random coil, from the conformation-dependent 13C NMR chemical shift data. This conclusion is different from that obtained using IR by many researchers. Next, the formation of silk I* structure was investigated at molecular level using 13C solid-state NMR spectroscopy. Three kinds of 13C INEPT, CP/MAS and DD/MAS NMR spectra were observed for SF, [3-13C] Ser- and [3-13C] Tyr-SF, the crystalline fraction obtained by chymotrypsin treatment of SF and their model peptide with silk I structures in the dry and hydrated states. Especially, the presence of the sequences containing Tyr, (((GX)m1GY)m2 where X = A or V) with random coil conformations adjacent to (GAGAGS)n is an essence to get water-soluble SF and the formation of silk I* structure of (GAGAGS)n.
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Affiliation(s)
- Tetsuo Asakura
- Department of Biotechnology, Tokyo University of Agriculture and Technology, 2-24-16 Koganei, Tokyo 184-8588, Japan.
| | - Akira Naito
- Department of Biotechnology, Tokyo University of Agriculture and Technology, 2-24-16 Koganei, Tokyo 184-8588, Japan
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Wu S, Guo W, Li R, Zhang X, Qu W. Progress of Platelet Derivatives for Cartilage Tissue Engineering. Front Bioeng Biotechnol 2022; 10:907356. [PMID: 35782516 PMCID: PMC9243565 DOI: 10.3389/fbioe.2022.907356] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 05/05/2022] [Indexed: 11/13/2022] Open
Abstract
Articular cartilage has limited self-regeneration ability for lacking of blood vessels, nerves, and lymph that makes it a great challenge to repair defects of the tissue and restore motor functions of the injured or aging population. Platelet derivatives, such as platelet-rich plasma, have been proved effective, safe, and economical in musculoskeletal diseases for their autologous origin and rich in growth factors. The combination of platelet derivatives with biomaterials provides both mechanical support and localized sustained release of bioactive molecules in cartilage tissue engineering and low-cost efficient approaches of potential treatment. In this review, we first provide an overview of platelet derivatives and their application in clinical and experimental therapies, and then we further discuss the techniques of the addition of platelet derivatives and their influences on scaffold properties. Advances in cartilage tissue engineering with platelet derivatives as signal factors and structural components are also introduced before prospects and concerns in this research field. In short, platelet derivatives have broad application prospects as an economical and effective enhancement for tissue engineering–based articular cartilage repair.
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Affiliation(s)
- Siyu Wu
- Department of Hand Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Wenlai Guo
- Department of Hand Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Rui Li
- Department of Hand Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Xi Zhang
- Department of Burn Surgery, The First Hospital of Jilin University, Changchun, China
- *Correspondence: Xi Zhang, ; Wenrui Qu,
| | - Wenrui Qu
- Department of Hand Surgery, The Second Hospital of Jilin University, Changchun, China
- *Correspondence: Xi Zhang, ; Wenrui Qu,
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Ashammakhi N, GhavamiNejad A, Tutar R, Fricker A, Roy I, Chatzistavrou X, Hoque Apu E, Nguyen KL, Ahsan T, Pountos I, Caterson EJ. Highlights on Advancing Frontiers in Tissue Engineering. TISSUE ENGINEERING. PART B, REVIEWS 2022; 28:633-664. [PMID: 34210148 PMCID: PMC9242713 DOI: 10.1089/ten.teb.2021.0012] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 07/15/2021] [Indexed: 01/05/2023]
Abstract
The field of tissue engineering continues to advance, sometimes in exponential leaps forward, but also sometimes at a rate that does not fulfill the promise that the field imagined a few decades ago. This review is in part a catalog of success in an effort to inform the process of innovation. Tissue engineering has recruited new technologies and developed new methods for engineering tissue constructs that can be used to mitigate or model disease states for study. Key to this antecedent statement is that the scientific effort must be anchored in the needs of a disease state and be working toward a functional product in regenerative medicine. It is this focus on the wildly important ideas coupled with partnered research efforts within both academia and industry that have shown most translational potential. The field continues to thrive and among the most important recent developments are the use of three-dimensional bioprinting, organ-on-a-chip, and induced pluripotent stem cell technologies that warrant special attention. Developments in the aforementioned areas as well as future directions are highlighted in this article. Although several early efforts have not come to fruition, there are good examples of commercial profitability that merit continued investment in tissue engineering. Impact statement Tissue engineering led to the development of new methods for regenerative medicine and disease models. Among the most important recent developments in tissue engineering are the use of three-dimensional bioprinting, organ-on-a-chip, and induced pluripotent stem cell technologies. These technologies and an understanding of them will have impact on the success of tissue engineering and its translation to regenerative medicine. Continued investment in tissue engineering will yield products and therapeutics, with both commercial importance and simultaneous disease mitigation.
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Affiliation(s)
- Nureddin Ashammakhi
- Department of Bioengineering, Henry Samueli School of Engineering, University of California, Los Angeles, California, USA
- Department of Biomedical Engineering, College of Engineering, Michigan State University, Michigan, USA
| | - Amin GhavamiNejad
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, Canada
| | - Rumeysa Tutar
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Annabelle Fricker
- Department of Materials Science and Engineering, Faculty of Engineering, University of Sheffield, Sheffield, United Kingdom
| | - Ipsita Roy
- Department of Materials Science and Engineering, Faculty of Engineering, University of Sheffield, Sheffield, United Kingdom
- Faculty of Medicine, National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Xanthippi Chatzistavrou
- Department of Chemical Engineering and Material Science, College of Engineering, Michigan State University, East Lansing, Michigan, USA
| | - Ehsanul Hoque Apu
- Department of Bioengineering, Henry Samueli School of Engineering, University of California, Los Angeles, California, USA
| | - Kim-Lien Nguyen
- Department of Radiological Sciences, David Geffen School of Medicine, University of California, Los Angeles, California, USA
- Division of Cardiology, David Geffen School of Medicine, University of California, Los Angeles, and VA Greater Los Angeles Healthcare System, Los Angeles, California, USA
| | - Taby Ahsan
- RoosterBio, Inc., Frederick, Maryland, USA
| | - Ippokratis Pountos
- Academic Department of Trauma and Orthopaedics, University of Leeds, Leeds, United Kingdom
| | - Edward J. Caterson
- Division of Plastic Surgery, Department of Surgery, Nemours/Alfred I. du Pont Hospital for Children, Wilmington, Delaware, USA
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Rezaei M, Davani F, Alishahi M, Masjedi F. Updates in immunocompatibility of biomaterials: applications for regenerative medicine. Expert Rev Med Devices 2022; 19:353-367. [PMID: 35531761 DOI: 10.1080/17434440.2022.2075730] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Biomaterials, either metallic, ceramic, or polymeric, can be used in medicine as a part of the implants, dialysis membranes, bone scaffolds, or components of artificial organs. Polymeric biomaterials cover a vast range of biomedical applications. The biocompatibility and immunocompatibility of polymeric materials are of fundamental importance for their possible therapeutic uses, as the immune system can intervene in the materials' performance. Therefore, based on application, different routes can be utilized for immunoregulation. AREAS COVERED As different biomaterials can be modulated by different strategies, this study aims to summarize and evaluate the available methods for the immunocompatibility enhancement of more common polymeric biomaterials based on their nature. Different strategies such as surface modification, physical characterization, and drug incorporation are investigated for the immunomodulation of nanoparticles, hydrogels, sponges, and nanofibers. EXPERT OPINION Recently, strategies for triggering appropriate immune responses by functional biomaterials have been highlighted. As most strategies correspond to the physical and surface properties of biomaterials, specific modulation can be conducted for each biomaterial system. Besides, different applications require different modulations of the immune system. In the future, the selection of novel materials and immune regulators can play a role in tuning the immune system for regenerative medicine.
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Affiliation(s)
- Mahdi Rezaei
- Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
| | - Farideh Davani
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohsen Alishahi
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Fatemeh Masjedi
- Shiraz Nephro-Urology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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Silk Fibroin-Based Biomaterials for Tissue Engineering Applications. Molecules 2022; 27:molecules27092757. [PMID: 35566110 PMCID: PMC9103528 DOI: 10.3390/molecules27092757] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/08/2022] [Accepted: 04/21/2022] [Indexed: 12/21/2022] Open
Abstract
Tissue engineering (TE) involves the combination of cells with scaffolding materials and appropriate growth factors in order to regenerate or replace damaged and degenerated tissues and organs. The scaffold materials serve as templates for tissue formation and play a vital role in TE. Among scaffold materials, silk fibroin (SF), a naturally occurring protein, has attracted great attention in TE applications due to its excellent mechanical properties, biodegradability, biocompatibility, and bio-absorbability. SF is usually dissolved in an aqueous solution and can be easily reconstituted into different forms, including films, mats, hydrogels, and sponges, through various fabrication techniques, including spin coating, electrospinning, freeze drying, and supercritical CO2-assisted drying. Furthermore, to facilitate the fabrication of more complex SF-based scaffolds, high-precision techniques such as micro-patterning and bio-printing have been explored in recent years. These processes contribute to the diversity of surface area, mean pore size, porosity, and mechanical properties of different silk fibroin scaffolds and can be used in various TE applications to provide appropriate morphological and mechanical properties. This review introduces the physicochemical and mechanical properties of SF and looks into a range of SF-based scaffolds that have recently been developed. The typical applications of SF-based scaffolds for TE of bone, cartilage, teeth and mandible tissue, cartilage, skeletal muscle, and vascular tissue are highlighted and discussed followed by a discussion of issues to be addressed in future studies.
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Xu G, Zhang W, Du J, Yuan X, Zhang W, Yan W, Liu G. Biomass-derived porous carbon with high drug adsorption capacity undergoes enzymatic and chemical degradation. J Colloid Interface Sci 2022; 622:87-96. [PMID: 35489104 DOI: 10.1016/j.jcis.2022.04.064] [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: 01/28/2022] [Revised: 03/30/2022] [Accepted: 04/10/2022] [Indexed: 10/18/2022]
Abstract
Degradability is a key safety issue when choosing materials for biomedical applications and environmental protection. This factor greatly limits the application of porous carbon in these areas due to the inert and stable nature of carbon network. In this work, this conflict could be well-resolved by rational designing a mesoporous carbon (MC) with biomass as a carbon source. The retained oxygen-containing species simultaneously increase drug adsorption capacity and the degradability of MC. The maximum adsorption quantity for doxorubicin over MC can reach 395.3 mg/g, about 3-fold over carbon nanotubes. The detailed analysis reveals that the degradation of MC occurs via a radical mediated oxidation process. The high electron density feature of MC facilitates the electrophilic addition reaction in the presence of HO. During this process, the carbon network is gradually degraded into fragments, carbon nanodots and ultimately to CO2. This work opens up a new way to fabricate degradable porous materials and provides a promising material for the practical application in biomedical and environmental field.
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Affiliation(s)
- Guohao Xu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China; Key Laboratory of Surface and Interface Chemistry of Jilin Province, College of Chemistry, Jilin University, Changchun, 130021, China
| | - Wenjuan Zhang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China; Key Laboratory of Surface and Interface Chemistry of Jilin Province, College of Chemistry, Jilin University, Changchun, 130021, China
| | - Juan Du
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Ministry of Education, Jilin Normal University, Changchun, 130103, China
| | - Xiaoling Yuan
- Department of Chemical Engineering and Applied Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Wenxiang Zhang
- Key Laboratory of Surface and Interface Chemistry of Jilin Province, College of Chemistry, Jilin University, Changchun, 130021, China
| | - Wenfu Yan
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Gang Liu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China; Key Laboratory of Surface and Interface Chemistry of Jilin Province, College of Chemistry, Jilin University, Changchun, 130021, China.
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Fabrication of Tri-polymers Composite Film with High Cyclic Stability and Rapid Degradation for Cardiac Tissue Engineering. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Lu H, Xia K, Jian M, Liang X, Yin Z, Zhang M, Wang H, Wang H, Li S, Zhang Y. Mechanically Reinforced Silkworm Silk Fiber by Hot Stretching. Research (Wash D C) 2022; 2022:9854063. [PMID: 35445199 PMCID: PMC8992573 DOI: 10.34133/2022/9854063] [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: 10/28/2021] [Accepted: 03/03/2022] [Indexed: 11/28/2022] Open
Abstract
Silkworm silk, which is obtained from domesticated Bombyx mori (B. mori), can be produced in a large scale. However, the mechanical properties of silkworm silk are inferior to its counterpart, spider dragline silk. Therefore, researchers are continuously exploring approaches to reinforce silkworm silk. Herein, we report a facile and scalable hot stretching process to reinforce natural silk fibers obtained from silkworm cocoons. Experimental results show that the obtained hot-stretched silk fibers (HSSFs) retain the chemical components of the original silk fibers while being endowed with increased β-sheet nanocrystal content and crystalline orientation, leading to enhanced mechanical properties. Significantly, the average modulus of the HSSFs reaches 21.6 ± 2.8 GPa, which is about twice that of pristine silkworm silk fibers (11.0 ± 1.7 GPa). Besides, the tensile strength of the HSSFs reaches 0.77 ± 0.13 GPa, which is also obviously higher than that of the pristine silk (0.56 ± 0.08 GPa). The results show that the hot stretching treatment is effective and efficient for producing superstiff, strong, and tough silkworm silk fibers. We anticipate this approach may be also effective for reinforcing other natural or artificial polymer fibers or films containing abundant hydrogen bonds.
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Affiliation(s)
- Haojie Lu
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of the Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Kailun Xia
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of the Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Muqiang Jian
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of the Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Xiaoping Liang
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of the Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Zhe Yin
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of the Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Mingchao Zhang
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of the Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Huimin Wang
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of the Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Haomin Wang
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of the Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Shuo Li
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of the Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Yingying Zhang
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of the Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
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47
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Characterization of polyurethane and a silk fibroin-polyurethane composite fiber studied with NMR spectroscopies. Polym J 2022. [DOI: 10.1038/s41428-022-00629-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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48
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Bhatt M, Shende P. Surface patterning techniques for proteins on nano- and micro-systems: a modulated aspect in hierarchical structures. J Mater Chem B 2022; 10:1176-1195. [PMID: 35119060 DOI: 10.1039/d1tb02455h] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The surface patterning of protein using fabrication or the external functionalization of structures demonstrates various applications in the biomedical field for bioengineering, biosensing and antifouling. This review article offers an outline of the existing advances in protein patterning technology with a special emphasis on the current physical and physicochemical methods, including stencil patterning, trap- and droplet-based microfluidics, and chemical modification of surfaces via photolithography, microcontact printing and scanning probe nanolithography. Different approaches are applied for the biological studies of recent trends for single-protein patterning technology, such as robotic printing, stencil printing and colloidal lithography, wherein the concepts of physical confinement, electrostatic and capillary forces, as well as dielectrophoretics, are summarised to understand the design approaches. Photochemical alterations with diazirine, nitrobenzyl and aryl azide functional groups for the implication of modified substrates, such as self-assembled monolayers functionalized with amino silanes, organosilanes and alkanethiols on gold surfaces, as well as topographical effects of patterning techniques for protein functionalization and orientation, are discussed. Analytical methods for the evaluation of protein functionality are also mentioned. Regarding their selectivity, protein pattering methods will be readily used to fabricate modified surfaces and target-specific delivery systems for the transportation of macromolecules such as streptavidin, and albumin. Future applications of patterning techniques include high-throughput screening, the evaluation of intracellular interactions, accurate screening and personalized treatments.
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Affiliation(s)
- Maitri Bhatt
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai, India.
| | - Pravin Shende
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai, India.
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49
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Recent Advances in Environmentally Friendly and Green Degumming Processes of Silk for Textile and Non-Textile Applications. Polymers (Basel) 2022; 14:polym14040659. [PMID: 35215571 PMCID: PMC8876672 DOI: 10.3390/polym14040659] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 01/31/2022] [Accepted: 02/05/2022] [Indexed: 12/30/2022] Open
Abstract
Silk has been widely used not only in the textile field but also in non-textile applications, which is composed of inner fibrous protein, named fibroin, and outer global protein, named sericin. Due to big differences, such as appearance, solubility, amino acid composition and amount of reactive groups, silk fibroin and sericin usually need to be separated before further process. The residual sericin may influence the molecular weight, structure, morphology and properties of silk fibroin, so that degumming of silk is important and necessary, not only in textile field but also in non-textile applications. Traditional textile degumming processes, including soap, alkali or both, could bring such problems as environmental damage, heavy use of water and energy, and damage to silk fibroin. Therefore, this review aims to present a systematic work on environmentally friendly and green degumming processes of raw silk, including art of green degumming process, quantitative and qualitative evaluation, influence of degumming on molecular weight, structure, morphology and properties of silk. It is anticipated that rational selection and design of environmentally friendly and green degumming process is quite important and meaningful, not only for textile application but also for non-textile application.
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Martineau RL, Bayles AV, Hung CS, Reyes KG, Helgeson ME, Gupta MK. Engineering Gelation Kinetics in Living Silk Hydrogels by Differential Dynamic Microscopy Microrheology and Machine Learning. Adv Biol (Weinh) 2021; 6:e2101070. [PMID: 34811969 DOI: 10.1002/adbi.202101070] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 09/20/2021] [Indexed: 12/20/2022]
Abstract
Microbes embedded in hydrogels comprise one form of living material. Discovering formulations that balance potentially competing for mechanical and biological properties in living hydrogels-for example, gel time of the hydrogel formulation and viability of the embedded organisms-can be challenging. In this study, a pipeline is developed to automate the characterization of the gel time of hydrogel formulations. Using this pipeline, living materials comprised of enzymatically crosslinked silk and embedded E. coli-formulated from within a 4D parameter space-are engineered to gel within a pre-selected timeframe. Gelation time is estimated using a novel adaptation of microrheology analysis using differential dynamic microscopy (DDM). In order to expedite the discovery of gelation regime boundaries, Bayesian machine learning models are deployed with optimal decision-making under uncertainty. The rate of learning is observed to vary between artificial intelligence (AI)-assisted planning and human planning, with the fastest rate occurring during AI-assisted planning following a round of human planning. For a subset of formulations gelling within a targeted timeframe of 5-15 min, fluorophore production within the embedded cells is substantially similar across treatments, evidencing that gel time can be tuned independent of other material properties-at least over a finite range-while maintaining biological activity.
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Affiliation(s)
- Rhett L Martineau
- Materials and Manufacturing Directorate, Air Force Research Laboratory, 2179 12th St. B652/R122, WPAFB, OH, 45433-7717, USA
| | - Alexandra V Bayles
- Department of Chemical Engineering, University of California Santa Barbara, 3357 Engineering II, Santa Barbara, CA, 93106, USA
| | - Chia-Suei Hung
- Materials and Manufacturing Directorate, Air Force Research Laboratory, 2179 12th St. B652/R122, WPAFB, OH, 45433-7717, USA
| | - Kristofer G Reyes
- Department of Materials Design and Innovation, University at Buffalo, Buffalo, NY, 14260, USA
| | - Matthew E Helgeson
- Department of Chemical Engineering, University of California Santa Barbara, Santa Barbara, CA, 93106-5080, USA
| | - Maneesh K Gupta
- Materials and Manufacturing Directorate, Air Force Research Laboratory, 2179 12th St. B652/R122, WPAFB, OH, 45433-7717, USA
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