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Huang Z, Cheng J, Su W. A Double Cross-Linked Injectable Hydrogel Derived from Muscular Decellularized Matrix Promotes Myoblast Proliferation and Myogenic Differentiation. MATERIALS (BASEL, SWITZERLAND) 2023; 16:5335. [PMID: 37570039 PMCID: PMC10419849 DOI: 10.3390/ma16155335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 06/01/2023] [Accepted: 07/14/2023] [Indexed: 08/13/2023]
Abstract
Injectable hydrogels possess tremendous merits for use in muscle regeneration; however, they still lack intrinsic biological cues (such as the proliferation and differentiation of myogenic cells), thus considerably restricting their potential for therapeutic use. Herein, we developed a double cross-linked injectable hydrogel composed of methacrylamidated oxidized hyaluronic acid (MOHA) and muscular decellularized matrix (MDM). The chemical composition of the hydrogel was confirmed using 1H NMR and Fourier transform infrared spectroscopy. To achieve cross-linking, the aldehyde groups in MOHA were initially reacted with the amino groups in MDM through a Schiff-based reaction. This relatively weak cross-linking provided the MOHA/MDM hydrogel with satisfactory injectability. Furthermore, the methacrylation of MOHA facilitated a second cross-linking mechanism via UV irradiation, resulting in improved gelation ability, biomechanical properties, and swelling performance. When C2C12 myogenic cells were loaded into the hydrogel, our results showed that the addition of MDM significantly enhanced myoblast proliferation compared to the MOHA hydrogel, as demonstrated by live/dead staining and Cell Counting Kit-8 assay after seven days of in vitro cultivation. In addition, gene expression analysis using quantitative polymerase chain reaction indicated that the MOHA/MDM hydrogel promoted myogenic differentiation of C2C12 cells more effectively than the MOHA hydrogel, as evidenced by elevated expression levels of myogenin, troponin T, and MHC in the MOHA/MDM hydrogel group. Moreover, after four to eight weeks of implantation in a full-thickness abdominal wall-defect model, the MOHA/MDM hydrogel could promote the reconstruction and repair of functional skeletal muscle tissue with enhanced tetanic force and tensile strength. This study provides a new double cross-linked injectable hydrogel for use in muscular tissue engineering.
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Affiliation(s)
| | | | - Wei Su
- Department of Orthopedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China; (Z.H.); (J.C.)
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Ahmadi BM, Noori A, Ashtiani MK, Rajabi S, Talkhabi M. 5-Azacytidine incorporated skeletal muscle-derived hydrogel promotes rat skeletal muscle regeneration. Cells Dev 2023; 173:203826. [PMID: 36739913 DOI: 10.1016/j.cdev.2023.203826] [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: 06/28/2022] [Revised: 01/28/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023]
Abstract
Decellularized skeletal muscle is a promising biomaterial for muscle regeneration due to the mimicking of the natural microenvironment. Previously, it has been reported that 5-Azacytidine (5-Aza), a DNA methyltransferase inhibitor, induces myogenesis in different types of stem cells. In the current study, we investigated the effect of 5-Aza incorporated muscle-derived hydrogel on the viability and proliferation of muscle-derived stem cells (MDSCs) in vitro and muscle regeneration in vivo. Wistar rat skeletal muscles were decellularized using a physico-chemical protocol. The decellularized tissue was analyzed using SEM, histological staining and evaluation of DNA content. Then, muscle-derived hydrogel was made from Pepsin-digested decellularized muscle tissues. 5-Aza was physically adsorbed in prepared hydrogels. Then, MDSCs were cultured on hydrogels with/without 5-Aza, and their proliferation and cell viability were determined using LIVE/DEAD and DAPI staining. Moreover, myectomy lesions were done in rat femoris muscles, muscle-derived hydroges with/without 5-Aza were injected to the myectomy sites, and histological evaluation was performed after three weeks. The analysis of decellularized muscle tissues showed that they maintained extracellular matrix components of native muscles, while they lacked DNA. LIVE/DEAD and DAPI staining showed that the hydrogel containing 5-Aza supported MDSCs viability. Histological analysis of myectomy sites showed an improvement in muscle regeneration after administration of 5-Aza incorporated hydrogel. These findings suggest that the combination of 5-Aza with skeletal muscle hydrogel may serve as an alternative treatment option to improve the regeneration of injured muscle tissue.
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Affiliation(s)
- Behnaz Mirza Ahmadi
- Department of Animal Sciences and Marine Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Afshin Noori
- Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Mohammad Kazemi Ashtiani
- Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Sarah Rajabi
- Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
| | - Mahmood Talkhabi
- Department of Animal Sciences and Marine Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran.
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Zhao Y, Liu Y, Dai Y, Yang L, Chen G. Application of 3D Bioprinting in Urology. MICROMACHINES 2022; 13:mi13071073. [PMID: 35888890 PMCID: PMC9321242 DOI: 10.3390/mi13071073] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/24/2022] [Accepted: 06/30/2022] [Indexed: 12/11/2022]
Abstract
Tissue engineering is an emerging field to create functional tissue components and whole organs. The structural and functional defects caused by congenital malformation, trauma, inflammation or tumor are still the major clinical challenges facing modern urology, and the current treatment has not achieved the expected results. Recently, 3D bioprinting has gained attention for its ability to create highly specialized tissue models using biological materials, bridging the gap between artificially engineered and natural tissue structures. This paper reviews the research progress, application prospects and current challenges of 3D bioprinting in urology tissue engineering.
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Affiliation(s)
- Yue Zhao
- Department of Urology, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610000, China; (Y.Z.); (Y.D.)
- Department of Public Health Laboratory Sciences, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610000, China
| | - Yuebai Liu
- Department of Education and Training, Sichuan Cancer Hospital, Chengdu 610000, China;
| | - Yi Dai
- Department of Urology, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610000, China; (Y.Z.); (Y.D.)
| | - Luo Yang
- Department of Urology, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610000, China; (Y.Z.); (Y.D.)
- Correspondence: (L.Y.); (G.C.); Tel.: +86-1-820-288-8984 (G.C.)
| | - Guo Chen
- Department of Urology, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610000, China; (Y.Z.); (Y.D.)
- Laboratory of Reconstructive Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu 610000, China
- Correspondence: (L.Y.); (G.C.); Tel.: +86-1-820-288-8984 (G.C.)
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Dong W, Song Z, Liu S, Yu P, Shen Z, Yang J, Yang D, Hu Q, Zhang H, Gu Y. Adipose-Derived Stem Cells Based on Electrospun Biomimetic Scaffold Mediated Endothelial Differentiation Facilitating Regeneration and Repair of Abdominal Wall Defects via HIF-1α/VEGF Pathway. Front Bioeng Biotechnol 2021; 9:676409. [PMID: 34307320 PMCID: PMC8293919 DOI: 10.3389/fbioe.2021.676409] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 06/18/2021] [Indexed: 11/26/2022] Open
Abstract
Application of synthetic or biological meshes is the main therapy for the repair and reconstruction of abdominal wall defects, a common disease in surgery. Currently, no ideal materials are available, and there is an urgent need to find appropriate ones to satisfy clinical needs. Electrospun scaffolds have drawn attention in soft tissue reconstruction. In this study, we developed a novel method to fabricate a composite electrospun scaffold using a thermoresponsive hydrogel, poly (N-isopropylacrylamide)-block-poly (ethylene glycol), and a biodegradable polymer, polylactic acid (PLA). This scaffold provided not only a high surface area/volume ratio and a three-dimensional fibrous matrix but also high biocompatibility and sufficient mechanical strength, and could simulate the native extracellular matrix and accelerate cell adhesion and proliferation. Furthermore, rat adipose-derived stem cells (ADSCs) were seeded in the composite electrospun scaffold to enhance the defect repair and regeneration by directionally inducing ADSCs into endothelial cells. In addition, we found early vascularization in the process was regulated by the hypoxia inducible factor-1α (HIF-1α)/vascular endothelial growth factor (VEGF) pathway. In our study, overexpression of HIF-1α/VEGF in ADSCs using a lentivirus system promoted early vascularization in the electrospun scaffolds. Overall, we expect our composite biomimetic scaffold method will be applicable and useful in abdominal wall defect regeneration and repair in the future.
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Affiliation(s)
- Wenpei Dong
- Department of General Surgery, Hernia and Abdominal Wall Surgery Center of Shanghai Jiao Tong University, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhicheng Song
- Department of General Surgery, Hernia and Abdominal Wall Surgery Center of Shanghai Jiao Tong University, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Suihong Liu
- Rapid Manufacturing Engineering Center, Shanghai University, Shanghai, China
| | - Ping Yu
- Department of Pharmacy, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhipeng Shen
- Rapid Manufacturing Engineering Center, Shanghai University, Shanghai, China
| | - Jianjun Yang
- Department of General Surgery, Hernia and Abdominal Wall Surgery Center of Shanghai Jiao Tong University, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Dongchao Yang
- Department of General Surgery, Hernia and Abdominal Wall Surgery Center of Shanghai Jiao Tong University, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qinxi Hu
- Rapid Manufacturing Engineering Center, Shanghai University, Shanghai, China
| | - Haiguang Zhang
- Rapid Manufacturing Engineering Center, Shanghai University, Shanghai, China
| | - Yan Gu
- Department of General Surgery, Hernia and Abdominal Wall Surgery Center of Shanghai Jiao Tong University, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Buell JF, Helm J, Mckillop IH, Iglesias B, Pashos N, Hooper P. Decellularized biologic muscle-fascia abdominal wall scaffold graft. Surgery 2021; 169:595-602. [PMID: 33454133 DOI: 10.1016/j.surg.2020.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 11/03/2020] [Accepted: 11/04/2020] [Indexed: 10/22/2022]
Abstract
BACKGROUND Complex abdominal wall reconstruction using biologic mesh can lead to increased recurrence rates, nonincorporation, and high perioperative costs. We developed a novel decellularization method and applied it to porcine muscle fascia to mirror target-tissue architecture. The aims of this study were to analyze mechanical strength and tissue-graft incorporation. METHODS After serial decellularization, muscle-fascia mesh was created and tested for mechanical strength and DNA content. The muscle-fascia mesh was implanted subcutaneously in rats (n = 4/group) and the cohorts killed 1 to 4 weeks later. Explants were examined histologically or immunohistochemically. RESULTS Mechanical testing demonstrated equivalent strength compared with a commercially available biological mesh (AlloDerm), with mechanical strength attributable to the fascia component. Grafts were successfully implanted with no observable adverse events. Gross necroscopy revealed excellent subdermal scaffold engraftment. Microscopic evaluation identified progressive collagen deposition within the graft, neoangiogenesis, and presence of CD34 positive cells, in the absence of discernable graft rejection. CONCLUSION This study confirms a decellularization process can successfully create a DNA-free composite abdominal wall (muscle-fascia) scaffold that can be implanted intraspecies without rejection. Expanding this approach may allow exploitation of the angiogenic capacities of decellularized muscle, concomitant with the inherent strength of decellularized fascia, to perform preclinical analyses of graft strength in animal models in vivo.
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Affiliation(s)
- Joseph F Buell
- Department of Surgery, Mission Health, HCA North Carolina, MAHEC, University of North Carolina, Asheville, NC.
| | - Joshua Helm
- Department of Surgery, Tulane University, New Orleans, LA
| | - Iain H Mckillop
- Division of Hepato-Pancreato-Biliary, Department of Surgery, Atrium Health, Charlotte, NC
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3D Printing Decellularized Extracellular Matrix to Design Biomimetic Scaffolds for Skeletal Muscle Tissue Engineering. BIOMED RESEARCH INTERNATIONAL 2020; 2020:2689701. [PMID: 33282941 PMCID: PMC7685790 DOI: 10.1155/2020/2689701] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 09/08/2020] [Accepted: 10/27/2020] [Indexed: 02/06/2023]
Abstract
Functional engineered muscles are still a critical clinical issue to be addressed, although different strategies have been considered so far for the treatment of severe muscular injuries. Indeed, the regenerative capacity of skeletal muscle (SM) results inadequate for large-scale defects, and currently, SM reconstruction remains a complex and unsolved task. For this aim, tissue engineered muscles should provide a proper biomimetic extracellular matrix (ECM) alternative, characterized by an aligned/microtopographical structure and a myogenic microenvironment, in order to promote muscle regeneration. As a consequence, both materials and fabrication techniques play a key role to plan an effective therapeutic approach. Tissue-specific decellularized ECM (dECM) seems to be one of the most promising material to support muscle regeneration and repair. 3D printing technologies, on the other side, enable the fabrication of scaffolds with a fine and detailed microarchitecture and patient-specific implants with high structural complexity. To identify innovative biomimetic solutions to develop engineered muscular constructs for the treatment of SM loss, the more recent (last 5 years) reports focused on SM dECM-based scaffolds and 3D printing technologies for SM regeneration are herein reviewed. Possible design inputs for 3D printed SM dECM-based scaffolds for muscular regeneration are also suggested.
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Dzobo K, Motaung KSCM, Adesida A. Recent Trends in Decellularized Extracellular Matrix Bioinks for 3D Printing: An Updated Review. Int J Mol Sci 2019; 20:E4628. [PMID: 31540457 PMCID: PMC6788195 DOI: 10.3390/ijms20184628] [Citation(s) in RCA: 99] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 09/01/2019] [Accepted: 09/12/2019] [Indexed: 02/06/2023] Open
Abstract
The promise of regenerative medicine and tissue engineering is founded on the ability to regenerate diseased or damaged tissues and organs into functional tissues and organs or the creation of new tissues and organs altogether. In theory, damaged and diseased tissues and organs can be regenerated or created using different configurations and combinations of extracellular matrix (ECM), cells, and inductive biomolecules. Regenerative medicine and tissue engineering can allow the improvement of patients' quality of life through availing novel treatment options. The coupling of regenerative medicine and tissue engineering with 3D printing, big data, and computational algorithms is revolutionizing the treatment of patients in a huge way. 3D bioprinting allows the proper placement of cells and ECMs, allowing the recapitulation of native microenvironments of tissues and organs. 3D bioprinting utilizes different bioinks made up of different formulations of ECM/biomaterials, biomolecules, and even cells. The choice of the bioink used during 3D bioprinting is very important as properties such as printability, compatibility, and physical strength influence the final construct printed. The extracellular matrix (ECM) provides both physical and mechanical microenvironment needed by cells to survive and proliferate. Decellularized ECM bioink contains biochemical cues from the original native ECM and also the right proportions of ECM proteins. Different techniques and characterization methods are used to derive bioinks from several tissues and organs and to evaluate their quality. This review discusses the uses of decellularized ECM bioinks and argues that they represent the most biomimetic bioinks available. In addition, we briefly discuss some polymer-based bioinks utilized in 3D bioprinting.
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Affiliation(s)
- Kevin Dzobo
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Wernher and Beit Building (South), UCT Medical Campus, Anzio Road, Observatory, Cape Town 7925, South Africa.
- Division of Medical Biochemistry and Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Anzio Road, Observatory, Cape Town 7925, South Africa.
| | | | - Adetola Adesida
- Department of Surgery, Faculty of Medicine and Dentistry, Li Ka Shing Centre for Health Research Innovation, University of Alberta, Edmonton, AB T6G 2E1, Canada.
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