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Chen H, Huang J, Li X, Zhao W, Hua Y, Song Z, Wang X, Guo Z, Zhou G, Ren W, Sun Y. Trilayered biomimetic hydrogel scaffolds with dual-differential microenvironment for articular osteochondral defect repair. Mater Today Bio 2024; 26:101051. [PMID: 38633867 PMCID: PMC11021956 DOI: 10.1016/j.mtbio.2024.101051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 03/22/2024] [Accepted: 04/09/2024] [Indexed: 04/19/2024] Open
Abstract
Commonly, articular osteochondral tissue exists significant differences in physiological architecture, mechanical function, and biological microenvironment. However, the development of biomimetic scaffolds incorporating upper cartilage, middle tidemark-like, and lower subchondral bone layers for precise articular osteochondral repair remains elusive. This study proposed here a novel strategy to construct the trilayered biomimetic hydrogel scaffolds with dual-differential microenvironment of both mechanical and biological factors. The cartilage-specific microenvironment was achieved through the grafting of kartogenin (KGN) into gelatin via p-hydroxyphenylpropionic acid (HPA)-based enzyme crosslinking reaction as the upper cartilage layer. The bone-specific microenvironment was achieved through the grafting of atorvastatin (AT) into gelatin via dual-crosslinked network of both HP-based enzyme crosslinking and glycidyl methacrylate (GMA)-based photo-crosslinking reactions as the lower subchondral bone layer. The introduction of tidemark-like middle layer is conducive to the formation of well-defined cartilage-bone integrated architecture. The in vitro experiments demonstrated the significant mechanical difference of three layers, successful grafting of drugs, good cytocompatibility and tissue-specific induced function. The results of in vivo experiments also confirmed the mechanical difference of the trilayered bionic scaffold and the ability of inducing osteogenesis and chondrogenesis. Furthermore, the articular osteochondral defects were successfully repaired using the trilayered biomimetic hydrogel scaffolds by the activation of endogenous recovery, which offers a promising alternative for future clinical treatment.
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Affiliation(s)
- Hongying Chen
- School of Basic Medical Sciences of Xinxiang Medical University, The Third Affiliated Hospital of Xinxiang Medical University, Henan Key Laboratory of Medical and Protective Products, Xinxiang, Henan, 453003, China
- The Key Laboratory of Medical Tissue Regeneration in Henan Province of Xinxiang Medical University, Xinxiang, Henan, 453003, China
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Tissue Engineering, Shanghai Jiao Tong University, Shanghai, 200011, China
| | - Jinyi Huang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Tissue Engineering, Shanghai Jiao Tong University, Shanghai, 200011, China
| | - Xiaomeng Li
- School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Weiwei Zhao
- School of Basic Medical Sciences of Xinxiang Medical University, The Third Affiliated Hospital of Xinxiang Medical University, Henan Key Laboratory of Medical and Protective Products, Xinxiang, Henan, 453003, China
| | - Yujie Hua
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Tissue Engineering, Shanghai Jiao Tong University, Shanghai, 200011, China
- National Tissue Engineering Center of China, Shanghai, 200241, China
- Institute of Regenerative Medicine and Orthopedics, Institutes of Health Central Plain, Xinxiang Medical University, Xinxiang, Henan, 453003, China
| | - Zhenfeng Song
- School of Basic Medical Sciences of Xinxiang Medical University, The Third Affiliated Hospital of Xinxiang Medical University, Henan Key Laboratory of Medical and Protective Products, Xinxiang, Henan, 453003, China
| | - Xianwei Wang
- The Key Laboratory of Medical Tissue Regeneration in Henan Province of Xinxiang Medical University, Xinxiang, Henan, 453003, China
| | - Zhikun Guo
- The Key Laboratory of Medical Tissue Regeneration in Henan Province of Xinxiang Medical University, Xinxiang, Henan, 453003, China
| | - Guangdong Zhou
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Tissue Engineering, Shanghai Jiao Tong University, Shanghai, 200011, China
- National Tissue Engineering Center of China, Shanghai, 200241, China
- Institute of Regenerative Medicine and Orthopedics, Institutes of Health Central Plain, Xinxiang Medical University, Xinxiang, Henan, 453003, China
| | - Wenjie Ren
- School of Basic Medical Sciences of Xinxiang Medical University, The Third Affiliated Hospital of Xinxiang Medical University, Henan Key Laboratory of Medical and Protective Products, Xinxiang, Henan, 453003, China
- The Key Laboratory of Medical Tissue Regeneration in Henan Province of Xinxiang Medical University, Xinxiang, Henan, 453003, China
- Institute of Regenerative Medicine and Orthopedics, Institutes of Health Central Plain, Xinxiang Medical University, Xinxiang, Henan, 453003, China
| | - Yongkun Sun
- School of Basic Medical Sciences of Xinxiang Medical University, The Third Affiliated Hospital of Xinxiang Medical University, Henan Key Laboratory of Medical and Protective Products, Xinxiang, Henan, 453003, China
- The Key Laboratory of Medical Tissue Regeneration in Henan Province of Xinxiang Medical University, Xinxiang, Henan, 453003, China
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Uklejewski R, Winiecki M. Advances in Biomimetic Scaffolds for Hard Tissue Surgery. Biomimetics (Basel) 2024; 9:279. [PMID: 38786489 PMCID: PMC11117657 DOI: 10.3390/biomimetics9050279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 05/06/2024] [Indexed: 05/25/2024] Open
Abstract
Hard tissues are living mineralized tissues that possess a high degree of hardness and are found in organs such as bones and teeth (enamel, dentin, and cementum) [...].
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Affiliation(s)
- Ryszard Uklejewski
- Department of Constructional Materials and Biomaterials, Faculty of Materials Engineering, Kazimierz Wielki University, Jan Karol Chodkiewicz Street 30, 85-064 Bydgoszcz, Poland
| | - Mariusz Winiecki
- Department of Constructional Materials and Biomaterials, Faculty of Materials Engineering, Kazimierz Wielki University, Jan Karol Chodkiewicz Street 30, 85-064 Bydgoszcz, Poland
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Park H, Patil TV, Dutta SD, Lee J, Ganguly K, Randhawa A, Kim H, Lim KT. Extracellular Matrix-Bioinspired Anisotropic Topographical Cues of Electrospun Nanofibers: A Strategy of Wound Healing through Macrophage Polarization. Adv Healthc Mater 2024; 13:e2304114. [PMID: 38295299 DOI: 10.1002/adhm.202304114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 01/16/2024] [Indexed: 02/02/2024]
Abstract
The skin serves as the body's outermost barrier and is the largest organ, providing protection not only to the body but also to various internal organs. Owing to continuous exposure to various external factors, it is susceptible to damage that can range from simple to severe, including serious types of wounds such as burns or chronic wounds. Macrophages play a crucial role in the entire wound-healing process and contribute significantly to skin regeneration. Initially, M1 macrophages infiltrate to phagocytose bacteria, debris, and dead cells in fresh wounds. As tissue repair is activated, M2 macrophages are promoted, reducing inflammation and facilitating restoration of the dermis and epidermis to regenerate the tissue. This suggests that extracellular matrix (ECM) promotes cell adhesion, proliferation, migrationand macrophage polarization. Among the numerous strategies, electrospinning is a versatile technique for obtaining ECM-mimicking structures with anisotropic and isotropic topologies of micro/nanofibers. Various electrospun biomaterials influence macrophage polarization based on their isotropic or anisotropic topologies. Moreover, these fibers possess a high surface-area-to-volume ratio, promoting the effective exchange of vital nutrients and oxygen, which are crucial for cell viability and tissue regeneration. Micro/nanofibers with diverse physical and chemical properties can be tailored to polarize macrophages toward skin regeneration and wound healing, depending on specific requirements. This review describes the significance of micro/nanostructures for activating macrophages and promoting wound healing.
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Affiliation(s)
- Hyeonseo Park
- Department of Biosystems Engineering, Kangwon National University, Chuncheon, 24341, Republic of Korea
- Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Tejal V Patil
- Department of Biosystems Engineering, Kangwon National University, Chuncheon, 24341, Republic of Korea
- Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Sayan Deb Dutta
- Department of Biosystems Engineering, Kangwon National University, Chuncheon, 24341, Republic of Korea
- Institute of Forest Science, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Jieun Lee
- Department of Biosystems Engineering, Kangwon National University, Chuncheon, 24341, Republic of Korea
- Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Keya Ganguly
- Department of Biosystems Engineering, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Aayushi Randhawa
- Department of Biosystems Engineering, Kangwon National University, Chuncheon, 24341, Republic of Korea
- Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Hojin Kim
- Department of Biosystems Engineering, Kangwon National University, Chuncheon, 24341, Republic of Korea
- Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Ki-Taek Lim
- Department of Biosystems Engineering, Kangwon National University, Chuncheon, 24341, Republic of Korea
- Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon, 24341, Republic of Korea
- Institute of Forest Science, Kangwon National University, Chuncheon, 24341, Republic of Korea
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Zhang Q, Gao S, Li B, Li Q, Li X, Cheng J, Peng Z, Liang J, Zhang K, Hai J, Zhang B. Lithium-Doped Titanium Dioxide-Based Multilayer Hierarchical Structure for Accelerating Nerve-Induced Bone Regeneration. ACS APPLIED MATERIALS & INTERFACES 2024; 16. [PMID: 38663861 PMCID: PMC11082843 DOI: 10.1021/acsami.4c01520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 04/09/2024] [Accepted: 04/09/2024] [Indexed: 05/12/2024]
Abstract
Despite considerable advances in artificial bone tissues, the absence of neural network reconstruction in their design often leads to delayed or ineffective bone healing. Hence, we propose a multilayer hierarchical lithium (Li)-doped titanium dioxide structure, constructed through microarc oxidation combined with alkaline heat treatment. This structure can induce the sustained release of Li ions, mimicking the environment of neurogenic osteogenesis characterized by high brain-derived neurotrophic factor (BDNF) expression. During in vitro experiments, the structure enhanced the differentiation of Schwann cells (SCs) and the growth of human umbilical vein endothelial cells (HUVECs) and mouse embryo osteoblast progenitor cells (MC3T3-E1). Additionally, in a coculture system, the SC-conditioned media markedly increased alkaline phosphatase expression and the formation of calcium nodules, demonstrating the excellent potential of the material for nerve-induced bone regeneration. In an in vivo experiment based on a rat distal femoral lesion model, the structure substantially enhanced bone healing by increasing the density of the neural network in the tissue around the implant. In conclusion, this study elucidates the neuromodulatory pathways involved in bone regeneration, providing a promising method for addressing bone deformities.
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Affiliation(s)
- Qianqian Zhang
- School
(Hospital) of Stomatology, Lanzhou University, Lanzhou 730000, China
| | - Shuting Gao
- Dental
Materials Science, Applied Oral Sciences, Faculty of Dentistry, The University of Hong Kong, Hong Kong 999077, China
| | - Bo Li
- The
Third Affiliated Hospital of AFMU, Air Force
Medical University, Xi’an 710000, China
| | - Qian Li
- School
(Hospital) of Stomatology, Lanzhou University, Lanzhou 730000, China
| | - Xinjie Li
- School
(Hospital) of Stomatology, Lanzhou University, Lanzhou 730000, China
| | - Jingyang Cheng
- Suzhou
Huaxia Stomatological Hospital, Su Zhou 215000, China
| | - Zhenjun Peng
- State
Key Laboratory of Solid Lubrication, Chinese Academy of Sciences, Lanzhou Institute of Chemical Physics, Lanzhou 730000, China
| | - Jun Liang
- Research
Institute of Interdisciplinary Science, Dongguan University of Technology, Dongguan 523808, China
| | - Kailiang Zhang
- School
(Hospital) of Stomatology, Lanzhou University, Lanzhou 730000, China
| | - Jun Hai
- CAS
Key Laboratory of Chemistry of Northwestern Plant Resources and Key
Laboratory of Natural Medicine of Gansu Province, Chinese Academy
of Sciences, Lanzhou Institute of Chemical
Physics, Lanzhou 730000, China
| | - Baoping Zhang
- School
(Hospital) of Stomatology, Lanzhou University, Lanzhou 730000, China
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Yan Y, Ji Q, Yang J, Yin X, Liu S, Karalkin PA, Reshetov IV, Han D, Li Q, Huang RL. Bioengineering autologous cartilage grafts for functional posterior lamellar eyelid reconstruction: A preliminary study in rabbits. Acta Biomater 2024:S1742-7061(24)00162-4. [PMID: 38561072 DOI: 10.1016/j.actbio.2024.03.025] [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: 11/02/2023] [Revised: 03/12/2024] [Accepted: 03/26/2024] [Indexed: 04/04/2024]
Abstract
The reconstruction of posterior lamellar eyelid defects remains a significant challenge in clinical practice due to anatomical complexity, specialized function, and aesthetic concerns. The ideal substitute for the posterior lamellar should replicate the native tarsoconjunctival tissue, providing both mechanical support for the eyelids and a smooth surface for the globe after implantation. In this study, we present an innovative approach utilizing tissue-engineered cartilage (TEC) grafts generated from rabbit auricular chondrocytes and a commercialized type I collagen sponge to reconstruct critical-sized posterior lamellar defects in rabbits. The TEC grafts demonstrated remarkable mechanical strength and maintained a stable cartilaginous phenotype both in vitro and at 6 months post-implantation in immunodeficient mice. When employed as autografts to reconstruct tarsal plate defects in rabbits' upper eyelids, these TEC grafts successfully restored normal eyelid morphology, facilitated smooth eyelid movement, and preserved the histological structure of the conjunctival epithelium. When applied in bilayered tarsoconjunctival defect reconstruction, these TEC grafts not only maintained the normal contour of the upper eyelid but also supported conjunctival epithelial cell migration and growth from the defect margin towards the centre. These findings highlight that auricular chondrocyte-based TEC grafts hold great promise as potential candidates for clinical posterior lamellar reconstruction. STATEMENT OF SIGNIFICANCE: The complex structure and function of the posterior lamellar eyelid continue to be significant challenges for clinical reconstructive surgeries. In this study, we utilized autologous auricular chondrocyte-based TEC grafts for posterior lamellar eyelid reconstruction in a preclinical rabbit model. The TEC grafts exhibited native cartilaginous histomorphology and comparable mechanical strength to those of the native human tarsal plate. In rabbit models with either tarsal plate defects alone or bilayered tarsoconjunctival defects, TEC grafts successfully restored the normal eyelid contour and movement, as well as supported preservation and growth of conjunctival epithelium. This is the first study to demonstrate autologous TEC grafts can be employed for repairing tarsal plate defects, thereby offering an alternative therapeutic approach for treating posterior lamellar defects in clinic settings.
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Affiliation(s)
- Yuxin Yan
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China; Shanghai Institute for Plastic and Reconstructive Surgery, Shanghai 200011, China
| | - Qiumei Ji
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China; Shanghai Institute for Plastic and Reconstructive Surgery, Shanghai 200011, China
| | - Jing Yang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China; Shanghai Institute for Plastic and Reconstructive Surgery, Shanghai 200011, China
| | - Xiya Yin
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China; Shanghai Institute for Plastic and Reconstructive Surgery, Shanghai 200011, China; Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Shengnan Liu
- Department of Oral Pathology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - Pavel A Karalkin
- Institute of Cluster Oncology, Sechenov First Moscow State Medical University, Moscow 127473, Russia
| | - Igor V Reshetov
- Institute of Cluster Oncology, Sechenov First Moscow State Medical University, Moscow 127473, Russia
| | - Dong Han
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China; Shanghai Institute for Plastic and Reconstructive Surgery, Shanghai 200011, China.
| | - Qingfeng Li
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China; Shanghai Institute for Plastic and Reconstructive Surgery, Shanghai 200011, China.
| | - Ru-Lin Huang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China; Shanghai Institute for Plastic and Reconstructive Surgery, Shanghai 200011, China.
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DeFoor MT, Cognetti DJ, Yuan TT, Sheean AJ. Treatment of Tendon Injuries in the Servicemember Population across the Spectrum of Pathology: From Exosomes to Bioinductive Scaffolds. Bioengineering (Basel) 2024; 11:158. [PMID: 38391644 PMCID: PMC10886250 DOI: 10.3390/bioengineering11020158] [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: 12/15/2023] [Revised: 01/28/2024] [Accepted: 01/31/2024] [Indexed: 02/24/2024] Open
Abstract
Tendon injuries in military servicemembers are one of the most commonly treated nonbattle musculoskeletal injuries (NBMSKIs). Commonly the result of demanding physical training, repetitive loading, and frequent exposures to austere conditions, tendon injuries represent a conspicuous threat to operational readiness. Tendon healing involves a complex sequence between stages of inflammation, proliferation, and remodeling cycles, but the regenerated tissue can be biomechanically inferior to the native tendon. Chemical and mechanical signaling pathways aid tendon healing by employing growth factors, cytokines, and inflammatory responses. Exosome-based therapy, particularly using adipose-derived stem cells (ASCs), offers a prominent cell-free treatment, promoting tendon repair and altering mRNA expression. However, each of these approaches is not without limitations. Future advances in tendon tissue engineering involving magnetic stimulation and gene therapy offer non-invasive, targeted approaches for improved tissue engineering. Ongoing research aims to translate these therapies into effective clinical solutions capable of maximizing operational readiness and warfighter lethality.
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Affiliation(s)
- Mikalyn T DeFoor
- San Antonio Military Medical Center, Fort Sam Houston, TX 78234, USA
| | - Daniel J Cognetti
- San Antonio Military Medical Center, Fort Sam Houston, TX 78234, USA
| | - Tony T Yuan
- Advanced Exposures Diagnostics, Interventions and Biosecurity Group, 59 Medical Wing, Lackland Air Force Base, San Antonio, TX 78236, USA
- Center for Biotechnology (4D Bio3), Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Andrew J Sheean
- San Antonio Military Medical Center, Fort Sam Houston, TX 78234, USA
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Cao Y, Zhang H, Qiu M, Zheng Y, Shi X, Yang J. Biomimetic injectable and bilayered hydrogel scaffold based on collagen and chondroitin sulfate for the repair of osteochondral defects. Int J Biol Macromol 2024; 257:128593. [PMID: 38056750 DOI: 10.1016/j.ijbiomac.2023.128593] [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: 06/17/2023] [Revised: 11/20/2023] [Accepted: 12/02/2023] [Indexed: 12/08/2023]
Abstract
The simultaneous regeneration of articular cartilage and subchondral bone is a major challenge. Bioinspired scaffolds with distinct regions resembling stratified anatomical architecture provide a potential strategy for osteochondral defect repair. Here, we report the development of an injectable and bilayered hydrogel scaffold with a strong interface binding force. In this bilayer hydrogel, composed of carbonyl hydrazide grafted collagen (COL-CDH) and oxidized chondroitin sulfate (OCS), which are derivatives of osteochondral tissue components, in combination with poly (ethylene glycol) diacrylate (PEGDA), functions as a cartilage layer; while zinc-doped hydroxyapatite acts as a subchondral bone layer that is based on the cartilage layer. The strong interface between the two layers involves dynamic amide bonds formed between COL-CDH and OCS, and permanent CC bonds formed by PEGDA radical reactions. This bilayer hydrogel can be used to inoculate adipose mesenchymal stem cells which can then differentiate into chondrocytes and osteoblasts, secreting glycosaminoglycan, and promoting calcium deposition. This accelerates the regeneration of cartilage and subchondral bone. Micro-CT and tissue staining revealed an increase in the amount of bone present in new subchondral bone, and new tissues with a structure similar to normal cartilage. This study therefore demonstrates that injectable bilayer hydrogels are a promising scaffold for repairing osteochondral defects.
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Affiliation(s)
- Yongjian Cao
- College of Chemistry, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Haijie Zhang
- College of Chemistry, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Mengjie Qiu
- College of Chemistry, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Yunquan Zheng
- College of Chemistry, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China; Fujian Key Laboratory of Medical Instrument and Pharmaceutical Technology, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China; International Joint Laboratory of Intelligent Health Care, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China.
| | - Xianai Shi
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China; Fujian Key Laboratory of Medical Instrument and Pharmaceutical Technology, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China; International Joint Laboratory of Intelligent Health Care, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China
| | - Jianmin Yang
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China; Fujian Key Laboratory of Medical Instrument and Pharmaceutical Technology, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China; International Joint Laboratory of Intelligent Health Care, Fuzhou University, No. 2 Xueyuan Road, Fuzhou 350108, China.
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Negrescu AM, Mocanu AC, Miculescu F, Mitran V, Constantinescu AE, Cimpean A. In Vitro Studies on 3D-Printed PLA/HA/GNP Structures for Bone Tissue Regeneration. Biomimetics (Basel) 2024; 9:55. [PMID: 38275452 PMCID: PMC10813057 DOI: 10.3390/biomimetics9010055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 12/29/2023] [Accepted: 01/15/2024] [Indexed: 01/27/2024] Open
Abstract
The successful regeneration of large-size bone defects remains one of the most critical challenges faced in orthopaedics. Recently, 3D printing technology has been widely used to fabricate reliable, reproducible and economically affordable scaffolds with specifically designed shapes and porosity, capable of providing sufficient biomimetic cues for a desired cellular behaviour. Natural or synthetic polymers reinforced with active bioceramics and/or graphene derivatives have demonstrated adequate mechanical properties and a proper cellular response, attracting the attention of researchers in the bone regeneration field. In the present work, 3D-printed graphene nanoplatelet (GNP)-reinforced polylactic acid (PLA)/hydroxyapatite (HA) composite scaffolds were fabricated using the fused deposition modelling (FDM) technique. The in vitro response of the MC3T3-E1 pre-osteoblasts and RAW 264.7 macrophages revealed that these newly designed scaffolds exhibited various survival rates and a sustained proliferation. Moreover, as expected, the addition of HA into the PLA matrix contributed to mimicking a bone extracellular matrix, leading to positive effects on the pre-osteoblast osteogenic differentiation. In addition, a limited inflammatory response was also observed. Overall, the results suggest the great potential of the newly developed 3D-printed composite materials as suitable candidates for bone tissue engineering applications.
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Affiliation(s)
- Andreea-Mariana Negrescu
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania; (A.-M.N.); (V.M.)
| | - Aura-Cătălina Mocanu
- Department of Metallic Materials Science, Physical Metallurgy, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, J Building, District 6, 060042 Bucharest, Romania; (A.-C.M.); (F.M.); (A.-E.C.)
| | - Florin Miculescu
- Department of Metallic Materials Science, Physical Metallurgy, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, J Building, District 6, 060042 Bucharest, Romania; (A.-C.M.); (F.M.); (A.-E.C.)
| | - Valentina Mitran
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania; (A.-M.N.); (V.M.)
| | - Andreea-Elena Constantinescu
- Department of Metallic Materials Science, Physical Metallurgy, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, J Building, District 6, 060042 Bucharest, Romania; (A.-C.M.); (F.M.); (A.-E.C.)
| | - Anisoara Cimpean
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania; (A.-M.N.); (V.M.)
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Atari M, Saroukhani A, Manshaei M, Bateni P, Zargar Kharazi A, Vatankhah E, Haghjooy Javanmard S. Preclinical in vivo assessment of a cell-free multi-layered scaffold prepared by 3D printing and electrospinning for small-diameter blood vessel tissue engineering in a canine model. Biomater Sci 2023; 11:6871-6880. [PMID: 37646468 DOI: 10.1039/d3bm00642e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Tissue-engineered vascular grafts (TEVGs) are promising alternatives to existing prosthetic grafts. The objective of this study is to evaluate the clinical feasibility of a novel multi-layered small-diameter vascular graft that has a hierarchical structure. Vascular grafts with elaborately designed composition and architecture were prepared by 3D printing and electrospinning and were implanted into the femoral artery of 5 dogs. The patency of the grafts was assessed using Doppler ultrasonography. After 6 months, the grafts were retrieved and histological and SEM examinations were conducted. During implantation, the grafts exhibited resistance to kinking and no blood seepage thanks to the helical structure of the innermost and outermost layers. The grafts showed a high patency rate and remodelling ability. At 6 months post-implantation, the lumen was endothelialized and middle layers were regenerated by infiltration of smooth muscle cells (SMCs) and deposition of extracellular matrix (ECM). These results suggest that the multi-layered vascular graft may be a promising candidate for small-diameter blood vessel tissue engineering in clinical practice.
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Affiliation(s)
- Mehdi Atari
- Applied Physiology Research Centre, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, 81686-55477, Iran.
| | - Abbas Saroukhani
- Department of Surgery, School of Medicine, Al-Zahra Hospital, Isfahan University of Medical Sciences, Isfahan, 81746-73461, Iran
| | - Maziar Manshaei
- Animal Laboratory and Dental Research Centre, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, 81746-73461, Iran
| | - Peiman Bateni
- Animal Laboratory and Dental Research Centre, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, 81746-73461, Iran
| | - Anousheh Zargar Kharazi
- Applied Physiology Research Centre, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, 81686-55477, Iran.
- Department of Biomaterials, Nanotechnology and Tissue Engineering, School of Advanced Medical Technology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Elham Vatankhah
- Department of Biosystems, Faculty of New Technologies and Aerospace Engineering, Shahid Beheshti University, Tehran, Iran.
| | - Shaghayegh Haghjooy Javanmard
- Applied Physiology Research Centre, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, 81686-55477, Iran.
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