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Li H, Tong Z, Fang Y, Liu F, He F, Teng C. Biomimetic Injectable Hydrogel Based on Methacrylate-Modified Silk Fibroin Embedded with Kartogenin for Superficial Cartilage Regeneration. ACS Biomater Sci Eng 2024; 10:507-514. [PMID: 38118054 DOI: 10.1021/acsbiomaterials.3c01160] [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] [Indexed: 12/22/2023]
Abstract
The weak regeneration ability of chondrocytes is one of the main reasons that limit the therapeutic effect of clinical cartilage injury. Injectable hydrogels are potential scaffolds for cartilage tissue engineering with advantages such as minimally invasive surgery, porous structure, and drug sustained-release ability. At present, many biomaterials have been developed for the repair of deep cartilage defects. However, cartilage injury often begins on the surface, which requires us to propose a treatment strategy suitable for superficial cartilage injury repair. In this study, we fabricated a biomimetic injectable hydrogel based on methacrylate-modified silk fibroin (SilMA) embedded with kartogenin (KGN). The SilMA/KGN hydrogels have good biohistocompatibility and the ability to promote cartilage differentiation. In addition, SEM results show that it has a porous structure conducive to cell adhesion and proliferation. Most importantly, it has demonstrated remarkable superficial cartilage repair ability in vivo, showing potential in cartilage tissue engineering.
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Affiliation(s)
- Huimin Li
- Department of Orthopaedic Surgery, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, 32200, China
| | - Zhicheng Tong
- Department of Orthopaedic Surgery, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, 32200, China
| | - Yifei Fang
- Department of Orthopaedic Surgery, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, 32200, China
| | - Fengling Liu
- School of Chemistry and Chemical Engineering, Nanjing University of Science & Technology, Nanjing, 210094, China
| | - Feng He
- Department of Orthopaedic Surgery, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, 32200, China
| | - Chong Teng
- Department of Orthopaedic Surgery, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, 32200, China
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2
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Liu J, Du C, Huang W, Lei Y. Injectable smart stimuli-responsive hydrogels: pioneering advancements in biomedical applications. Biomater Sci 2023; 12:8-56. [PMID: 37969066 DOI: 10.1039/d3bm01352a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2023]
Abstract
Hydrogels have established their significance as prominent biomaterials within the realm of biomedical research. However, injectable hydrogels have garnered greater attention compared with their conventional counterparts due to their excellent minimally invasive nature and adaptive behavior post-injection. With the rapid advancement of emerging chemistry and deepened understanding of biological processes, contemporary injectable hydrogels have been endowed with an "intelligent" capacity to respond to various endogenous/exogenous stimuli (such as temperature, pH, light and magnetic field). This innovation has spearheaded revolutionary transformations across fields such as tissue engineering repair, controlled drug delivery, disease-responsive therapies, and beyond. In this review, we comprehensively expound upon the raw materials (including natural and synthetic materials) and injectable principles of these advanced hydrogels, concurrently providing a detailed discussion of the prevalent strategies for conferring stimulus responsiveness. Finally, we elucidate the latest applications of these injectable "smart" stimuli-responsive hydrogels in the biomedical domain, offering insights into their prospects.
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Affiliation(s)
- Jiacheng Liu
- Department of Orthopedics, Orthopedic Laboratory of Chongqing Medical University, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
| | - Chengcheng Du
- Department of Orthopedics, Orthopedic Laboratory of Chongqing Medical University, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
| | - Wei Huang
- Department of Orthopedics, Orthopedic Laboratory of Chongqing Medical University, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
| | - Yiting Lei
- Department of Orthopedics, Orthopedic Laboratory of Chongqing Medical University, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
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Liu Y, Zhao Z, Guo C, Huang Z, Zhang W, Ma F, Wang Z, Kong Q, Wang Y. Application and development of hydrogel biomaterials for the treatment of intervertebral disc degeneration: a literature review. Front Cell Dev Biol 2023; 11:1286223. [PMID: 38130952 PMCID: PMC10733535 DOI: 10.3389/fcell.2023.1286223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 11/24/2023] [Indexed: 12/23/2023] Open
Abstract
Low back pain caused by disc herniation and spinal stenosis imposes an enormous medical burden on society due to its high prevalence and refractory nature. This is mainly due to the long-term inflammation and degradation of the extracellular matrix in the process of intervertebral disc degeneration (IVDD), which manifests as loss of water in the nucleus pulposus (NP) and the formation of fibrous disc fissures. Biomaterial repair strategies involving hydrogels play an important role in the treatment of intervertebral disc degeneration. Excellent biocompatibility, tunable mechanical properties, easy modification, injectability, and the ability to encapsulate drugs, cells, genes, etc. make hydrogels good candidates as scaffolds and cell/drug carriers for treating NP degeneration and other aspects of IVDD. This review first briefly describes the anatomy, pathology, and current treatments of IVDD, and then introduces different types of hydrogels and addresses "smart hydrogels". Finally, we discuss the feasibility and prospects of using hydrogels to treat IVDD.
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Affiliation(s)
| | | | | | | | | | | | | | - Qingquan Kong
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yu Wang
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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Li ZL, Lu Q, Honiball JR, Wan SHT, Yeung KWK, Cheung KMC. Mechanical characterization and design of biomaterials for nucleus pulposus replacement and regeneration. J Biomed Mater Res A 2023; 111:1888-1902. [PMID: 37555381 DOI: 10.1002/jbm.a.37593] [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: 04/14/2023] [Accepted: 07/23/2023] [Indexed: 08/10/2023]
Abstract
Biomaterials for nucleus pulposus (NP) replacement and regeneration have great potential to restore normal biomechanics in degenerated intervertebral discs following nucleotomy. Mechanical characterizations are essential for assessing the efficacy of biomaterial implants for clinical applications. While traditional compression tests are crucial to quantify various modulus values, relaxation behaviors and fatigue resistance, rheological measurements should also be conducted to investigate the viscoelastic properties, injectability, and overall stability upon deformation. To recapitulate the physiological in vivo environment, the use of spinal models is necessary to evaluate the risk of implant extrusion and the restoration of biomechanics under different loading conditions. When designing devices for NP replacement, injectable materials are ideal to fully fill the nucleus cavity and prevent implant migration. In addition to achieving biocompatibility and desirable mechanical characteristics, biomaterial implants should be optimized to avoid implant extrusion or re-herniation post-operatively. This review discusses the most commonly used testing protocols for assessing mechanical properties of biomaterial implants and serves as reference material for enabling researchers to characterize NP implants through a unified approach whereby newly developed biomaterials may be compared and contrasted to existing devices.
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Affiliation(s)
- Zhuoqi Lucas Li
- Department of Orthopaedics & Traumatology, The University of Hong Kong, Hong Kong, China
| | - Qiuji Lu
- Department of Orthopaedics & Traumatology, The University of Hong Kong, Hong Kong, China
| | - John Robert Honiball
- Department of Orthopaedics & Traumatology, The University of Hong Kong, Hong Kong, China
| | - Sandra Hiu-Tung Wan
- Department of Orthopaedics & Traumatology, The University of Hong Kong, Hong Kong, China
| | - Kelvin Wai-Kwok Yeung
- Department of Orthopaedics & Traumatology, The University of Hong Kong, Hong Kong, China
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, The University of Hong Kong Shenzhen Hospital, Shenzhen, China
| | - Kenneth Man-Chee Cheung
- Department of Orthopaedics & Traumatology, The University of Hong Kong, Hong Kong, China
- Department of Orthopaedics and Traumatology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
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Wu J, Wu C, Zou S, Li X, Ho B, Sun R, Liu C, Chen M. Investigation of Biomaterial Ink Viscosity Properties and Optimization of the Printing Process Based on Pattern Path Planning. Bioengineering (Basel) 2023; 10:1358. [PMID: 38135949 PMCID: PMC10740413 DOI: 10.3390/bioengineering10121358] [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: 10/16/2023] [Revised: 11/21/2023] [Accepted: 11/24/2023] [Indexed: 12/24/2023] Open
Abstract
Extruded bioprinting is widely used for the biomanufacturing of personalized, complex tissue structures, which requires biomaterial inks with a certain viscosity to enable printing. However, there is still a lack of discussion on the controllable preparation and printability of biomaterial inks with different viscosities. In this paper, biomaterial inks composed of gelatin, sodium alginate, and methylcellulose were utablesed to investigate the feasibility of adjustment of rheological properties, thereby analyzing the effects of different rheological properties on the printing process. Based on the response surface methodology, the relationship between the material components and the rheological properties of biomaterial inks was discussed, followed by the prediction of the rheological properties of biomaterial inks. The prediction accuracies of the power-law index and consistency coefficient could reach 96% and 79%, respectively. The material group can be used to prepare biomaterial inks with different viscosity properties in a wide range. Latin hypercube sampling and computational fluid dynamics were used to analyze the effects of different rheological properties and extrusion pressure on the flow rate at the nozzle. The relationship between the rheological properties of the biomaterial ink and the flow rate was established, and the simulation results showed that the changes in the rheological properties of the biomaterial ink in the high-viscosity region resulted in slight fluctuations in the flow rate, implying that the printing process for high-viscosity biomaterial inks may have better versatility. In addition, based on the characteristics of biomaterial inks, the printing process was optimized from the planning of the print pattern to improve the location accuracy of the starting point, and the length accuracy of filaments can reach 99%. The effect of the overlap between the fill pattern and outer frame on the print quality was investigated to improve the surface quality of complex structures. Furthermore, low- and high-viscosity biomaterial inks were tested, and various printing protocols were discussed for improving printing efficiency or maintaining cell activity. This study provides feasible printing concepts for a wider range of biomaterials to meet the biological requirements of cell culture and tissue engineering.
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Affiliation(s)
- Jiahao Wu
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China; (J.W.); (S.Z.); (X.L.); (B.H.); (R.S.); (C.L.); (M.C.)
| | - Chunya Wu
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China; (J.W.); (S.Z.); (X.L.); (B.H.); (R.S.); (C.L.); (M.C.)
- Key Laboratory of Micro-Systems and Micro-Structures Manufacturing, Harbin Institute of Technology, Harbin 150080, China
| | - Siyang Zou
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China; (J.W.); (S.Z.); (X.L.); (B.H.); (R.S.); (C.L.); (M.C.)
| | - Xiguang Li
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China; (J.W.); (S.Z.); (X.L.); (B.H.); (R.S.); (C.L.); (M.C.)
| | - Bo Ho
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China; (J.W.); (S.Z.); (X.L.); (B.H.); (R.S.); (C.L.); (M.C.)
| | - Ruijiang Sun
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China; (J.W.); (S.Z.); (X.L.); (B.H.); (R.S.); (C.L.); (M.C.)
| | - Chang Liu
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China; (J.W.); (S.Z.); (X.L.); (B.H.); (R.S.); (C.L.); (M.C.)
| | - Mingjun Chen
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, China; (J.W.); (S.Z.); (X.L.); (B.H.); (R.S.); (C.L.); (M.C.)
- Key Laboratory of Micro-Systems and Micro-Structures Manufacturing, Harbin Institute of Technology, Harbin 150080, China
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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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Zhao X, Ma H, Han H, Zhang L, Tian J, Lei B, Zhang Y. Precision medicine strategies for spinal degenerative diseases: Injectable biomaterials with in situ repair and regeneration. Mater Today Bio 2022; 16:100336. [PMID: 35799898 PMCID: PMC9254127 DOI: 10.1016/j.mtbio.2022.100336] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 06/16/2022] [Accepted: 06/18/2022] [Indexed: 11/23/2022]
Abstract
As the population ages, spinal degeneration seriously affects quality of life in middle-aged and elderly patients, and prevention and treatment remain challenging for clinical surgeons. In recent years, biomaterials-based injectable therapeutics have attracted much attention for spinal degeneration treatment due to their minimally invasive features and ability to perform precise repair of irregular defects. However, the precise design and functional control of bioactive injectable biomaterials for efficient spinal degeneration treatment remains a challenge. Although many injectable biomaterials have been reported for the treatment of spinal degeneration, there are few reviews on the advances and effects of injectable biomaterials for spinal degeneration treatment. This work reviews the current status of the design and fabrication of injectable biomaterials, including hydrogels, bone cements and scaffolds, microspheres and nanomaterials, and the current progress in applications for treating spinal degeneration. Additionally, registered clinical trials were also summarized and key challenges and clinical translational prospects for injectable materials for the treatment of spinal degenerative diseases are discussed.
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Silk Fibroin Hydrogels Could Be Therapeutic Biomaterials for Neurological Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:2076680. [PMID: 35547640 PMCID: PMC9085322 DOI: 10.1155/2022/2076680] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 04/18/2022] [Indexed: 12/17/2022]
Abstract
Silk fibroin, a natural macromolecular protein without physiological activity, has been widely used in different fields, such as the regeneration of bones, cartilage, nerves, and other tissues. Due to irrevocable neuronal injury, the treatment and prognosis of neurological diseases need to be investigated. Despite attempts to propel neuroprotective therapeutic approaches, numerous attempts to translate effective therapies for brain disease have been largely unsuccessful. As a good candidate for biomedical applications, hydrogels based on silk fibroin effectively amplify their advantages. The ability of nerve tissue regeneration, inflammation regulation, the slow release of drugs, antioxidative stress, regulation of cell death, and hemostasis could lead to a new approach to treating neurological disorders. In this review, we introduced the preparation of SF hydrogels and then delineated the probable mechanism of silk fibroin in the treatment of neurological diseases. Finally, we showed the application of silk fibroin in neurological diseases.
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Han C, Liu F, Zhang Y, Chen W, Luo W, Ding F, Lu L, Wu C, Li Y. Human Umbilical Cord Mesenchymal Stem Cell Derived Exosomes Delivered Using Silk Fibroin and Sericin Composite Hydrogel Promote Wound Healing. Front Cardiovasc Med 2021; 8:713021. [PMID: 34490375 PMCID: PMC8416918 DOI: 10.3389/fcvm.2021.713021] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 07/26/2021] [Indexed: 12/21/2022] Open
Abstract
Recent studies have shown that the hydrogels formed by composite biomaterials are better choice than hydrogels formed by single biomaterial for tissue repair. We explored the feasibility of the composite hydrogel formed by silk fibroin (SF) and silk sericin (SS) in tissue repair for the excellent mechanical properties of SF, and cell adhesion and biocompatible properties of SS. In our study, the SF SS hydrogel was formed by SF and SS protein with separate extraction method (LiBr dissolution for SF and hot alkaline water dissolution for SS), while SF-SS hydrogel was formed by SF and SS protein using simultaneous extraction method (LiBr dissolution for SF and SS protein). The effects of the two composite hydrogels on the release of inflammatory cytokines from macrophages and the wound were analyzed. Moreover, two hydrogels were used to encapsulate and deliver human umbilical cord mesenchymal stem cell derived exosomes (UMSC-Exo). Both SF SS and SF-SS hydrogels promoted wound healing, angiogenesis, and reduced inflammation and TNF-α secretion by macrophages. These beneficial effects were more significant in the experimental group treated by UMSC-Exo encapsulated in SF-SS hydrogel. Our study found that SF-SS hydrogel could be used as an excellent alternative to deliver exosomes for tissue repair.
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Affiliation(s)
- Chaoshan Han
- Department of Cardiovascular Surgery, Institute for Cardiovascular Science, Collaborative Innovation Center of Hematology, First Affiliated Hospital and Medical College of Soochow University, Suzhou, China
| | - Feng Liu
- Department of Cardiovascular Surgery, Institute for Cardiovascular Science, Collaborative Innovation Center of Hematology, First Affiliated Hospital and Medical College of Soochow University, Suzhou, China
| | - Yu Zhang
- Department of Cardiovascular Surgery, Institute for Cardiovascular Science, Collaborative Innovation Center of Hematology, First Affiliated Hospital and Medical College of Soochow University, Suzhou, China
| | - Wenjie Chen
- Department of Cardiovascular Surgery, Institute for Cardiovascular Science, Collaborative Innovation Center of Hematology, First Affiliated Hospital and Medical College of Soochow University, Suzhou, China
| | - Wei Luo
- Department of Cardiovascular Surgery, Institute for Cardiovascular Science, Collaborative Innovation Center of Hematology, First Affiliated Hospital and Medical College of Soochow University, Suzhou, China
| | - Fengzhi Ding
- Department of Cardiovascular Surgery, Institute for Cardiovascular Science, Collaborative Innovation Center of Hematology, First Affiliated Hospital and Medical College of Soochow University, Suzhou, China
| | - Lin Lu
- Department of Cardiovascular Surgery, Institute for Cardiovascular Science, Collaborative Innovation Center of Hematology, First Affiliated Hospital and Medical College of Soochow University, Suzhou, China
| | - Chengjie Wu
- Department of Cardiovascular Surgery, Institute for Cardiovascular Science, Collaborative Innovation Center of Hematology, First Affiliated Hospital and Medical College of Soochow University, Suzhou, China
| | - Yangxin Li
- Department of Cardiovascular Surgery, Institute for Cardiovascular Science, Collaborative Innovation Center of Hematology, First Affiliated Hospital and Medical College of Soochow University, Suzhou, China
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Zheng K, Du D. Recent advances of hydrogel-based biomaterials for intervertebral disc tissue treatment: A literature review. J Tissue Eng Regen Med 2021; 15:299-321. [PMID: 33660950 DOI: 10.1002/term.3172] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 12/23/2020] [Indexed: 12/14/2022]
Abstract
Low back pain is an increasingly prevalent symptom mainly associated with intervertebral disc (IVD) degeneration. It is highly correlated with aging, as the nucleus pulposus (NP) dehydrates and annulus fibrosus fissure formatting, which finally results in the IVD herniation and related clinical symptoms. Hydrogels have been drawing increasing attention as the ideal candidates for IVD degeneration because of their unique properties such as biocompatibility, highly tunable mechanical properties, and especially the water absorption and retention ability resembling the normal NP tissue. Numerous innovative hydrogel polymers have been generated in the most recent years. This review article will first briefly describe the anatomy and pathophysiology of IVDs and current therapies with their limitations. Following that, the article introduces the hydrogel materials in the classification of their origins. Next, it reviews the recent hydrogel polymers explored for IVD regeneration and analyses what efforts have been made to overcome the existing limitations. Finally, the challenges and prospects of hydrogel-based treatments for IVD tissue are also discussed. We believe that these novel hydrogel-based strategies may shed light on new possibilities in IVD degeneration disease.
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Affiliation(s)
- Kaiwen Zheng
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Dajiang Du
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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Binch ALA, Fitzgerald JC, Growney EA, Barry F. Cell-based strategies for IVD repair: clinical progress and translational obstacles. Nat Rev Rheumatol 2021; 17:158-175. [PMID: 33526926 DOI: 10.1038/s41584-020-00568-w] [Citation(s) in RCA: 116] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/10/2020] [Indexed: 12/21/2022]
Abstract
Intervertebral disc (IVD) degeneration is a major cause of low back pain, a prevalent and chronic condition that has a striking effect on quality of life. Currently, no approved pharmacological interventions or therapies are available that prevent the progressive destruction of the IVD; however, regenerative strategies are emerging that aim to modify the disease. Progress has been made in defining promising new treatments for disc disease, but considerable challenges remain along the entire translational spectrum, from understanding disease mechanism to useful interpretation of clinical trials, which make it difficult to achieve a unified understanding. These challenges include: an incomplete appreciation of the mechanisms of disc degeneration; a lack of standardized approaches in preclinical testing; in the context of cell therapy, a distinct lack of cohesion regarding the cell types being tested, the tissue source, expansion conditions and dose; the absence of guidelines regarding disease classification and patient stratification for clinical trial inclusion; and an incomplete understanding of the mechanisms underpinning therapeutic responses to cell delivery. This Review discusses current approaches to disc regeneration, with a particular focus on cell-based therapeutic strategies, including ongoing challenges, and attempts to provide a framework to interpret current data and guide future investigational studies.
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Affiliation(s)
- Abbie L A Binch
- Regenerative Medicine Institute (REMEDI), National University of Ireland Galway, Galway, Ireland
| | - Joan C Fitzgerald
- Regenerative Medicine Institute (REMEDI), National University of Ireland Galway, Galway, Ireland
| | - Emily A Growney
- Regenerative Medicine Institute (REMEDI), National University of Ireland Galway, Galway, Ireland
| | - Frank Barry
- Regenerative Medicine Institute (REMEDI), National University of Ireland Galway, Galway, Ireland.
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Zhang Y, Tan W, Wu M, Sun J, Cao W, Zhou CS, Wu Y. Characterization and cytocompatibility of 3D porous biomimetic scaffold derived from rabbit nucleus pulposus tissue in vitro. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2021; 32:8. [PMID: 33471211 PMCID: PMC7817588 DOI: 10.1007/s10856-020-06480-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 12/18/2020] [Indexed: 05/13/2023]
Abstract
Intervertebral disc (IVD) degeneration is one of the most important causes of lower back pain. Tissue engineering provides a new method for the experimental treatment of degenerative disc diseases. This study aims to develop a natural, acellular, 3D interconnected porous scaffold derived from the extracellular matrix (ECM) of nucleus pulposus. The nucleus pulposus (NP) was decellularized by sequential detergent-nuclease methods, including physical crushing, freeze-drying and cross-linking. These 3D porous scaffolds were fabricated with a high porosity of (81.28 ± 4.10)%, an ideal pore size with appropriate mechanical properties. Rabbit bone marrow mesenchymal stem cells (rBMSCs) were seeded and cultured on the scaffolds. And the mechanical tests showed the compressive elastic modulus of the scaffolds cultured for 4 weeks reached 0.12 MPa, which was better than that of the scaffolds cultured for 2 weeks (0.07 MPa) and that of the control group (0.04 MPa). Scanning electron microscopy (SEM), histological assays, molecular biology assays revealed that the scaffolds could provide an appropriate microstructure and environment for the adhesion, proliferation, migration and secretion of seeded cells in vitro. As assays like histology, immunohistochemistry and the real-time qRT-PCR showed, NP-like tissues were preliminarily formed. In conclusion, the 3D porous scaffold derived from NP ECM is a potential biomaterial for the regeneration of NP tissues. A natural, acellular, 3D interconnected porous scaffold derived from the extracellular matrix (ECM) of nucleus pulposus was developed by sequential detergent-nuclease and freeze-drying method, which can reduce the damage of protein activity to the minimum. It is very similar to the composition and internal environment of the natural nucleus pulposus, because it derived from the natural nucleus pulposus. Scanning electron microscopy (SEM), histological assays, molecular biology assays revealed that the scaffolds could provide an appropriate microstructure and environment for the adhesion, proliferation, migration, and secretion of seeded cells in vitro.
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Affiliation(s)
- Yu Zhang
- Department of Orthopaedics, General Hospital of Southern Theatre Command of PLA, Guangzhou, 510010, Guangdong, PR China
| | - Wei Tan
- Department of Spinal Orthopedics, Huizhou Third People's Hospital, Guangzhou Medical University, Huizhou, 516002, Guangdong, PR China
- Department of Spine Surgery, The Third Xiangya Hospital of Central South University, Changsha, 410013, Hunan, PR China
| | - Mingxin Wu
- Department of Spinal Orthopedics, Huizhou Third People's Hospital, Guangzhou Medical University, Huizhou, 516002, Guangdong, PR China
| | - Jin Sun
- Department of Spinal Orthopedics, Huizhou Third People's Hospital, Guangzhou Medical University, Huizhou, 516002, Guangdong, PR China.
| | - Wei Cao
- Department of Spinal Orthopedics, The first people's hospital of Huaihua, Huaihua, 418000, Hunan, PR China
| | - Chu-Song Zhou
- Department of Orthopaedics, Zhu-Jiang Hospital of Southern Medical University (First Military Medical University), Guangzhou, 510282, Guangdong, PR China.
| | - You Wu
- Department of Orthopaedics, General Hospital of Southern Theatre Command of PLA, Guangzhou, 510010, Guangdong, PR China
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13
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Chen H, Zhang Y, Ni T, Ding P, Zan Y, Cai X, Zhang Y, Liu M, Pei R. Construction of a Silk Fibroin/Polyethylene Glycol Double Network Hydrogel with Co-Culture of HUVECs and UCMSCs for a Functional Vascular Network. ACS APPLIED BIO MATERIALS 2021; 4:406-419. [PMID: 35014292 DOI: 10.1021/acsabm.0c00353] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The success of complex tissue and internal organ reconstruction relies principally on the fabrication of a 3D vascular network, which guarantees the delivery of oxygen and nutrients in addition to the disposal of waste. In this study, a rapidly forming cell-encapsulated double network (DN) hydrogel is constructed by an ultrasonically activated silk fibroin network and bioorthogonal-mediated polyethylene glycol network. This DN hydrogel can be solidified within 10 s, and its mechanical property gradually increases to ∼20 kPa after 30 min. This work also demonstrates that coencapsulation of human umbilical vein endothelial cells (HUVECs) and umbilical cord-derived mesenchymal stem cells (UCMSCs) into the DN hydrogel can facilitate the formation of more mature vessels and complete the capillary network in comparison with the hydrogels encapsulated with a single cell type both in vitro and in vivo. Taking together, the DN hydrogel, combined with coencapsulation of HUVECs and UCMSCs, represents a strategy for the construction of a functional vascular network.
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Affiliation(s)
- Hong Chen
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China.,School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China.,Institut de Science des Matériaux de Mulhouse, IS2M-UMR CNRS 7361, UHA, 15, Rue Jean Starcky, Cedex 68057 Mulhouse, France
| | - Yajie Zhang
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Tianyu Ni
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Pi Ding
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Yue Zan
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China.,School of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Xue Cai
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China.,The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou 215004, China
| | - Yiwei Zhang
- Institute for Interdisciplinary Research, Jianghan University, Wuhan 430056, China
| | - Min Liu
- Institute for Interdisciplinary Research, Jianghan University, Wuhan 430056, China
| | - Renjun Pei
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
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14
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Dorishetty P, Dutta NK, Choudhury NR. Silk fibroins in multiscale dimensions for diverse applications. RSC Adv 2020; 10:33227-33247. [PMID: 35515035 PMCID: PMC9056751 DOI: 10.1039/d0ra03964k] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Accepted: 08/18/2020] [Indexed: 12/17/2022] Open
Abstract
Silk biomaterials in different forms such as particles, coatings and their assemblies, represent unique type of materials in multiple scales and dimensions. Herein, we provide an overview of multi-scale silk fibroin materials including silk particles, silk coatings and silk assemblies, each of which represents a unique type of material with wide range of applications. They feature tunable structures and mechanical properties with excellent biocompatibility, which are essentially required for various biomedical and drug delivery applications. The review focuses on bringing a new perspective on the utilization of regenerated silk fibroins in modern biomedicine by beginning with the fabrication of silk in multiscale dimensions and their state-of-the-art applications in various biomedical and bioelectronic fields. It covers the fundamentals of processing silk fibroins in multi-dimensions (sizes and shapes) with a specific emphasis on its structural tunability at various length scales (nano-micro) by using the latest fabrication methods/mechanisms and advanced fabrication technologies, followed by their recent applications in diverse fields of biomedicine.
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Affiliation(s)
- Pramod Dorishetty
- School of Engineering, RMIT University Melbourne Victoria 3000 Australia
| | - Naba K Dutta
- School of Engineering, RMIT University Melbourne Victoria 3000 Australia
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15
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Dias JR, Ribeiro N, Baptista-Silva S, Costa-Pinto AR, Alves N, Oliveira AL. In situ Enabling Approaches for Tissue Regeneration: Current Challenges and New Developments. Front Bioeng Biotechnol 2020. [PMID: 32133354 DOI: 10.3389/fbioe.2020.00085.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
In situ tissue regeneration can be defined as the implantation of tissue-specific biomaterials (by itself or in combination with cells and/or biomolecules) at the tissue defect, taking advantage of the surrounding microenvironment as a natural bioreactor. Up to now, the structures used were based on particles or gels. However, with the technological progress, the materials' manipulation and processing has become possible, mimicking the damaged tissue directly at the defect site. This paper presents a comprehensive review of current and advanced in situ strategies for tissue regeneration. Recent advances to put in practice the in situ regeneration concept have been mainly focused on bioinks and bioprinting techniques rather than the combination of different technologies to make the real in situ regeneration. The limitation of conventional approaches (e.g., stem cell recruitment) and their poor ability to mimic native tissue are discussed. Moreover, the way of advanced strategies such as 3D/4D bioprinting and hybrid approaches may contribute to overcome the limitations of conventional strategies are highlighted. Finally, the future trends and main research challenges of in situ enabling approaches are discussed considering in vitro and in vivo evidence.
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Affiliation(s)
- Juliana R Dias
- Centre for Rapid and Sustainable Product Development, Polytechnic Institute of Leiria, Leiria, Portugal
| | - Nilza Ribeiro
- CBQF - Centro de Biotecnologia e Química Fina, Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa1, Porto, Portugal
| | - Sara Baptista-Silva
- CBQF - Centro de Biotecnologia e Química Fina, Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa1, Porto, Portugal
| | - Ana Rita Costa-Pinto
- CBQF - Centro de Biotecnologia e Química Fina, Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa1, Porto, Portugal
| | - Nuno Alves
- Centre for Rapid and Sustainable Product Development, Polytechnic Institute of Leiria, Leiria, Portugal
| | - Ana L Oliveira
- CBQF - Centro de Biotecnologia e Química Fina, Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa1, Porto, Portugal
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16
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Dias JR, Ribeiro N, Baptista-Silva S, Costa-Pinto AR, Alves N, Oliveira AL. In situ Enabling Approaches for Tissue Regeneration: Current Challenges and New Developments. Front Bioeng Biotechnol 2020; 8:85. [PMID: 32133354 PMCID: PMC7039825 DOI: 10.3389/fbioe.2020.00085] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 01/30/2020] [Indexed: 12/15/2022] Open
Abstract
In situ tissue regeneration can be defined as the implantation of tissue-specific biomaterials (by itself or in combination with cells and/or biomolecules) at the tissue defect, taking advantage of the surrounding microenvironment as a natural bioreactor. Up to now, the structures used were based on particles or gels. However, with the technological progress, the materials' manipulation and processing has become possible, mimicking the damaged tissue directly at the defect site. This paper presents a comprehensive review of current and advanced in situ strategies for tissue regeneration. Recent advances to put in practice the in situ regeneration concept have been mainly focused on bioinks and bioprinting techniques rather than the combination of different technologies to make the real in situ regeneration. The limitation of conventional approaches (e.g., stem cell recruitment) and their poor ability to mimic native tissue are discussed. Moreover, the way of advanced strategies such as 3D/4D bioprinting and hybrid approaches may contribute to overcome the limitations of conventional strategies are highlighted. Finally, the future trends and main research challenges of in situ enabling approaches are discussed considering in vitro and in vivo evidence.
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Affiliation(s)
- Juliana R. Dias
- Centre for Rapid and Sustainable Product Development, Polytechnic Institute of Leiria, Leiria, Portugal
| | - Nilza Ribeiro
- CBQF – Centro de Biotecnologia e Química Fina, Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa1, Porto, Portugal
| | - Sara Baptista-Silva
- CBQF – Centro de Biotecnologia e Química Fina, Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa1, Porto, Portugal
| | - Ana Rita Costa-Pinto
- CBQF – Centro de Biotecnologia e Química Fina, Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa1, Porto, Portugal
| | - Nuno Alves
- Centre for Rapid and Sustainable Product Development, Polytechnic Institute of Leiria, Leiria, Portugal
| | - Ana L. Oliveira
- CBQF – Centro de Biotecnologia e Química Fina, Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa1, Porto, Portugal
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17
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Udayanandana R, Silva P, Mudiyanselage TK. Mechanical Properties of Double Network Poly (Acrylic Acid) Based Hydrogels for Potential Use as a Biomaterial .. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2020; 2019:1101-1104. [PMID: 31946086 DOI: 10.1109/embc.2019.8857526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Load-bearing applications of hydrogels include soft robots, tissue engineering, and stretchable electronics. This paper presents an extensive study of double network poly (acrylic acid) based hydrogel on stress relaxation, compression fatigue, shear stress, and shock absorption properties as a potential load-bearing soft tissue replacement biomaterial. Double network poly (acrylic acid) hydrogel was selected due to simple processing and availability. The optimized formulation of poly (acrylic acid) hydrogel was used for samples preparation. The compression modulus varied with hydrogel formulation, crosshead speed and swelled amount of the hydrogel. Stress relaxation and shock absorption properties of hydrogel were compared with polyurethane gel used in soft insoles (Shore 5A). Developed hydrogel displayed good fatigue properties up to 10,000 loading cycle at maximum stress of 390±30 kPa and at 84±4% strain. Further, maximum average shear stress and shear modulus of 80 kPa and 140 kPa respectively were observed at 84% strain before fracture.
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18
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Liu J, Ding Z, Lu G, Wang J, Wang L, Lu Q. Amorphous Silk Fibroin Nanofiber Hydrogels with Enhanced Mechanical Properties. Macromol Biosci 2019; 19:e1900326. [DOI: 10.1002/mabi.201900326] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Indexed: 12/20/2022]
Affiliation(s)
- Jiawei Liu
- School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 P. R. China
| | - Zhaozhao Ding
- National Engineering Laboratory for Modern Silk and Collaborative Innovation Center of Suzhou Nano Science and TechnologySoochow University Suzhou 215123 P. R. China
| | - Guozhong Lu
- Department of Burns and Plastic SurgeryThe Affiliated Hospital of Jiangnan University Wuxi 214041 P. R. China
| | - Jingui Wang
- School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 P. R. China
| | - Ling Wang
- School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 P. R. China
| | - Qiang Lu
- National Engineering Laboratory for Modern Silk and Collaborative Innovation Center of Suzhou Nano Science and TechnologySoochow University Suzhou 215123 P. R. China
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19
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Farokhi M, Mottaghitalab F, Fatahi Y, Saeb MR, Zarrintaj P, Kundu SC, Khademhosseini A. Silk fibroin scaffolds for common cartilage injuries: Possibilities for future clinical applications. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.03.035] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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20
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Bhunia BK, Mandal BB. Exploring Gelation and Physicochemical Behavior of in Situ Bioresponsive Silk Hydrogels for Disc Degeneration Therapy. ACS Biomater Sci Eng 2018; 5:870-886. [DOI: 10.1021/acsbiomaterials.8b01099] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Bibhas K. Bhunia
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781 039, India
| | - Biman B. Mandal
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781 039, India
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