1
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Gao J, Ren J, Ye H, Chu W, Ding X, Ding L, Fu Y. Thymosin beta 10 loaded ZIF-8/sericin hydrogel promoting angiogenesis and osteogenesis for bone regeneration. Int J Biol Macromol 2024; 267:131562. [PMID: 38626832 DOI: 10.1016/j.ijbiomac.2024.131562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 04/04/2024] [Accepted: 04/10/2024] [Indexed: 04/20/2024]
Abstract
Angiogenesis is pivotal for osteogenesis during bone regeneration. A hydrogel that promotes both angiogenesis and osteogenesis is essential in bone tissue engineering. However, creating scaffolds with the ideal balance of biodegradability, osteogenic, and angiogenic properties poses a challenge. Thymosin beta 10 (TMSB10), known for its dual role in angiogenesis and osteogenesis differentiation, faces limitations due to protein activity preservation. To tackle this issue, ZIF-8 was engineered as a carrier for TMSB10 (TMSB10@ZIF-8), and subsequently integrated into the self-assembled sericin hydrogel. The efficacy of the composite hydrogel in bone repair was assessed using a rat cranial defect model. Characterization of the nanocomposites confirmed the successful synthesis of TMSB10@ZIF-8, with a TMSB10 encapsulation efficiency of 88.21 %. The sustained release of TMSB10 from TMSB10@ZIF-8 has significantly enhanced tube formation in human umbilical vein endothelial cells (HUVECs) in vitro and promoted angiogenesis in the chicken chorioallantoic membrane (CAM) model in vivo. It has markedly improved the osteogenic differentiation ability of MC 3 T3-E1 cells in vitro. 8 weeks post-implantation, the TMSB10@ZIF-8/ Sericin hydrogel group exhibited significant bone healing (86.77 ± 8.91 %), outperforming controls. Thus, the TMSB10@ZIF-8/Sericin hydrogel, leveraging ZIF-8 for TMSB10 delivery, emerges as a promising bone regeneration scaffold with substantial clinical application potential.
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Affiliation(s)
- Jia Gao
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Science, Taizhou University, Taizhou, Zhejiang 318000, PR China; College of Life Science and Medicine, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, PR China
| | - Jing Ren
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun, Jilin 130000, PR China
| | - Hanjie Ye
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Science, Taizhou University, Taizhou, Zhejiang 318000, PR China
| | - Wenhui Chu
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Science, Taizhou University, Taizhou, Zhejiang 318000, PR China.
| | - Xuankai Ding
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Science, Taizhou University, Taizhou, Zhejiang 318000, PR China; College of Life Science and Medicine, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, PR China
| | - Lingzhi Ding
- Taizhou Central Hospital, Taizhou University, Taizhou, Zhejiang 318000, PR China
| | - Yongqian Fu
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Science, Taizhou University, Taizhou, Zhejiang 318000, PR China.
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2
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Yun C, Kim SH, Kim KM, Yang MH, Byun MR, Kim JH, Kwon D, Pham HTM, Kim HS, Kim JH, Jung YS. Advantages of Using 3D Spheroid Culture Systems in Toxicological and Pharmacological Assessment for Osteogenesis Research. Int J Mol Sci 2024; 25:2512. [PMID: 38473760 DOI: 10.3390/ijms25052512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 02/19/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
Bone differentiation is crucial for skeletal development and maintenance. Its dysfunction can cause various pathological conditions such as rickets, osteoporosis, osteogenesis imperfecta, or Paget's disease. Although traditional two-dimensional cell culture systems have contributed significantly to our understanding of bone biology, they fail to replicate the intricate biotic environment of bone tissue. Three-dimensional (3D) spheroid cell cultures have gained widespread popularity for addressing bone defects. This review highlights the advantages of employing 3D culture systems to investigate bone differentiation. It highlights their capacity to mimic the complex in vivo environment and crucial cellular interactions pivotal to bone homeostasis. The exploration of 3D culture models in bone research offers enhanced physiological relevance, improved predictive capabilities, and reduced reliance on animal models, which have contributed to the advancement of safer and more effective strategies for drug development. Studies have highlighted the transformative potential of 3D culture systems for expanding our understanding of bone biology and developing targeted therapeutic interventions for bone-related disorders. This review explores how 3D culture systems have demonstrated promise in unraveling the intricate mechanisms governing bone homeostasis and responses to pharmacological agents.
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Affiliation(s)
- Chawon Yun
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
| | - Sou Hyun Kim
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
| | - Kyung Mok Kim
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
| | - Min Hye Yang
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
| | - Mi Ran Byun
- College of Pharmacy, Daegu Catholic University, Gyeongsan 38430, Republic of Korea
| | - Joung-Hee Kim
- Department of Medical Beauty Care, Dongguk University Wise, Gyeongju 38066, Republic of Korea
| | - Doyoung Kwon
- Jeju Research Institute of Pharmaceutical Sciences, College of Pharmacy, Jeju National University, Jeju 63243, Republic of Korea
| | - Huyen T M Pham
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Hyo-Sop Kim
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Jae-Ho Kim
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Young-Suk Jung
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
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3
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Urzì O, Gasparro R, Costanzo E, De Luca A, Giavaresi G, Fontana S, Alessandro R. Three-Dimensional Cell Cultures: The Bridge between In Vitro and In Vivo Models. Int J Mol Sci 2023; 24:12046. [PMID: 37569426 PMCID: PMC10419178 DOI: 10.3390/ijms241512046] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/19/2023] [Accepted: 07/21/2023] [Indexed: 08/13/2023] Open
Abstract
Although historically, the traditional bidimensional in vitro cell system has been widely used in research, providing much fundamental information regarding cellular functions and signaling pathways as well as nuclear activities, the simplicity of this system does not fully reflect the heterogeneity and complexity of the in vivo systems. From this arises the need to use animals for experimental research and in vivo testing. Nevertheless, animal use in experimentation presents various aspects of complexity, such as ethical issues, which led Russell and Burch in 1959 to formulate the 3R (Replacement, Reduction, and Refinement) principle, underlying the urgent need to introduce non-animal-based methods in research. Considering this, three-dimensional (3D) models emerged in the scientific community as a bridge between in vitro and in vivo models, allowing for the achievement of cell differentiation and complexity while avoiding the use of animals in experimental research. The purpose of this review is to provide a general overview of the most common methods to establish 3D cell culture and to discuss their promising applications. Three-dimensional cell cultures have been employed as models to study both organ physiology and diseases; moreover, they represent a valuable tool for studying many aspects of cancer. Finally, the possibility of using 3D models for drug screening and regenerative medicine paves the way for the development of new therapeutic opportunities for many diseases.
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Affiliation(s)
- Ornella Urzì
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D), Section of Biology and Genetics, University of Palermo, 90133 Palermo, Italy; (O.U.); (R.G.); (E.C.); (R.A.)
| | - Roberta Gasparro
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D), Section of Biology and Genetics, University of Palermo, 90133 Palermo, Italy; (O.U.); (R.G.); (E.C.); (R.A.)
| | - Elisa Costanzo
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D), Section of Biology and Genetics, University of Palermo, 90133 Palermo, Italy; (O.U.); (R.G.); (E.C.); (R.A.)
| | - Angela De Luca
- IRCCS Istituto Ortopedico Rizzoli, SC Scienze e Tecnologie Chirurgiche, 40136 Bologna, Italy; (A.D.L.); (G.G.)
| | - Gianluca Giavaresi
- IRCCS Istituto Ortopedico Rizzoli, SC Scienze e Tecnologie Chirurgiche, 40136 Bologna, Italy; (A.D.L.); (G.G.)
| | - Simona Fontana
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D), Section of Biology and Genetics, University of Palermo, 90133 Palermo, Italy; (O.U.); (R.G.); (E.C.); (R.A.)
| | - Riccardo Alessandro
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D), Section of Biology and Genetics, University of Palermo, 90133 Palermo, Italy; (O.U.); (R.G.); (E.C.); (R.A.)
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4
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Jiang Z, Li N, Shao Q, Zhu D, Feng Y, Wang Y, Yu M, Ren L, Chen Q, Yang G. Light-controlled scaffold- and serum-free hard palatal-derived mesenchymal stem cell aggregates for bone regeneration. Bioeng Transl Med 2022; 8:e10334. [PMID: 36684075 PMCID: PMC9842060 DOI: 10.1002/btm2.10334] [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: 01/09/2022] [Revised: 04/10/2022] [Accepted: 04/18/2022] [Indexed: 01/25/2023] Open
Abstract
Cell aggregates that mimic in vivo cell-cell interactions are promising and powerful tools for tissue engineering. This study isolated a new, easily obtained, population of mesenchymal stem cells (MSCs) from rat hard palates named hard palatal-derived mesenchymal stem cells (PMSCs). The PMSCs were positive for CD90, CD44, and CD29 and negative for CD34, CD45, and CD146. They exhibited clonogenicity, self-renewal, migration, and multipotent differentiation capacities. Furthermore, this study fabricated scaffold-free 3D aggregates using light-controlled cell sheet technology and a serum-free method. PMSC aggregates were successfully constructed with good viability. Transplantation of the PMSC aggregates and the PMSC aggregate-implant complexes significantly enhanced bone formation and implant osseointegration in vivo, respectively. This new cell resource is easy to obtain and provides an alternative strategy for tissue engineering and regenerative medicine.
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Affiliation(s)
- Zhiwei Jiang
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina,Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina,Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Na Li
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina,Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina,Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Qin Shao
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina,Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina,Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Danji Zhu
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina,Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina,Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Yuting Feng
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina,Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina,Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Yang Wang
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina,Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina,Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Mengjia Yu
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina,Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina,Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Lingfei Ren
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina,Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina,Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Qianming Chen
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina,Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina,Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
| | - Guoli Yang
- Stomatology Hospital, School of StomatologyZhejiang University School of MedicineHangzhouZhejiangChina,Zhejiang Provincial Clinical Research Center for Oral DiseasesHangzhouZhejiangChina,Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiangChina
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5
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Lin Z, Zhang X, Fritch MR, Li Z, Kuang B, Alexander PG, Hao T, Cao G, Tan S, Bruce KK, Lin H. Engineering pre-vascularized bone-like tissue from human mesenchymal stem cells through simulating endochondral ossification. Biomaterials 2022; 283:121451. [DOI: 10.1016/j.biomaterials.2022.121451] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 01/28/2022] [Accepted: 02/27/2022] [Indexed: 01/12/2023]
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6
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Mokhtari-Jafari F, Amoabediny G, Dehghan MM, Abbasi Ravasjani S, Jabbari Fakhr M, Zamani Y. Osteogenic and Angiogenic Synergy of Human Adipose Stem Cells and Human Umbilical Vein Endothelial Cells Cocultured in a Modified Perfusion Bioreactor. Organogenesis 2021; 17:56-71. [PMID: 34323661 DOI: 10.1080/15476278.2021.1954769] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Synergistic promotion of angiogenesis and osteogenesis in bone tissue-engineered constructs remains a crucial clinical challenge, which might be overcome by simultaneous employment of superior techniques including coculture systems, differentiation-stimulated factors, combinatorial scaffolds and bioreactors.Current study investigated the effect of flow perfusion along with coculture of human adipose stem cells (hASCs) and human umbilical vein endothelial cells (HUVECs) on osteogenic and angiogenic differentiation.Pre-treated hASCs with 1,25-dihydroxyvitamin D3 were seeded onto poly(lactic-co-glycolic acid)/β-tricalcium phosphate/polycaprolactone (PLGA/β-TCP/PCL) scaffold with/without HUVECs, and cultured for 14 days within a flask or modified perfusion bioreactor. Analysis of osteogenic and angiogenic gene expression, alkaline phosphatase (ALP) activity and ALP staining indicates a synergistic effect of perfusion flow and coculture system on osteogenic and angiogenic differentiation. The advantage of modified perfusion bioreactor is its five-branch flow distributor which directly connect to the porous PCL hollow fibers embedded in the 3D scaffold to improve flow and flow-induced shear stress uniformity.Dynamic coculture increased VEGF165 by 6-fold, VEGF189 by 2-fold, and Endothelin-1 by 4-fold, relative to dynamic monoculture. Static coculture enhanced osteogenic and angiogenic differentiation, compared with static monoculture. Although dynamic coculture is in preference to static coculture due to significant increase in ALP activity and promoted angiogenic marker expression. Our finding is the first to indicate that the modified perfusion bioreactor combined with the beneficial cell-cell crosstalk in pre-treated hASC/HUVEC cocultures provides a synergy between osteogenic and angiogenic differentiation of the accumulation of cells, suggesting that it represents a promising approach for regeneration of critical-sized bone defects.
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Affiliation(s)
- Fatemeh Mokhtari-Jafari
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran.,Department of Biomedical Engineering, Research Center for New Technologies in Life Science Engineering, University of Tehran, Tehran, Iran
| | - Ghasem Amoabediny
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran.,Department of Biomedical Engineering, Research Center for New Technologies in Life Science Engineering, University of Tehran, Tehran, Iran
| | - Mohammad Mehdi Dehghan
- Department of Surgery and Radiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.,Institute of Biomedical Research, University of Tehran, Tehran, Iran
| | - Sonia Abbasi Ravasjani
- Department of Biomedical Engineering, Research Center for New Technologies in Life Science Engineering, University of Tehran, Tehran, Iran.,Department of Biomedical Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Massoumeh Jabbari Fakhr
- Department of Surgery and Radiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.,Institute of Biomedical Research, University of Tehran, Tehran, Iran
| | - Yasaman Zamani
- Department of Biomedical Engineering, Research Center for New Technologies in Life Science Engineering, University of Tehran, Tehran, Iran.,Department of Biomedical Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
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7
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Yang G, Jiang F, Lu Y, Lin S, Liu C, Li A, Kaplan DL, Zhang S, He Y, Huang C, Zhang W, Jiang X. Rapid construction and enhanced vascularization of microtissue using a magnetic control method. Biofabrication 2021; 13. [PMID: 33967033 DOI: 10.1088/1758-5090/abe4c2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Accepted: 02/09/2021] [Indexed: 12/25/2022]
Abstract
Stem cells play critical roles in tissue repair and regeneration. The construction of stem cell-derived microtissue is a promising strategy for transplanting cells into defects to improve tissue regeneration efficiency. However, rapidly constructing larger microtissues and promoting vascularization to ensure the cellular nutrient supply remain major challenges. Here, we have developed a magnetic device to rapidly construct and regulate millimeter-scale microtissues derived from magnetic nanoparticle-labeled cells. When the microtissue was cultured under a specific magnetic field, the shape of the microtissue could be changed. Importantly, cell proliferation was maintained, and angiogenesis was activated in the process of microtissue deformation. We developed a magnetic control method to treat microtissue, and the implanted microtissue showed excellent vascularizationin vivo. In brief, this magnetic control technology provides a promising strategy for vascularized regenerative medicine.
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Affiliation(s)
- Guangzheng Yang
- Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China.,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China
| | - Fei Jiang
- Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China.,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China.,Jiangsu Key Laboratory of Oral Diseases, Department of General Dentistry, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing 210029, People's Republic of China
| | - Yuezhi Lu
- Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China.,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China
| | - Sihan Lin
- Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China.,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China
| | - Chang Liu
- Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China.,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China
| | - Anshuo Li
- Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China.,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, United States of America
| | - Shilei Zhang
- Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China.,Department of Oral and Cranio-maxillofacial Surgery, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China
| | - Yue He
- Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China.,Department of Oral and Maxillofacial - Head and Neck Oncology, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China
| | - Cui Huang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology and Key Laboratory for Oral Biomedical Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, Hubei 430079, People's Republic of China
| | - Wenjie Zhang
- Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China.,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China
| | - Xinquan Jiang
- Department of Prosthodontics, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University, School of Medicine, Shanghai 200011, People's Republic of China.,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, People's Republic of China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, People's Republic of China
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8
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Kronemberger GS, Carneiro FA, Rezende DF, Baptista LS. Spheroids and organoids as humanized 3D scaffold-free engineered tissues for SARS-CoV-2 viral infection and drug screening. Artif Organs 2021; 45:548-558. [PMID: 33264436 PMCID: PMC7753831 DOI: 10.1111/aor.13880] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 11/10/2020] [Accepted: 11/27/2020] [Indexed: 12/13/2022]
Abstract
The new coronavirus (2019‐nCoV) or the severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) was officially declared by the World Health Organization (WHO) as a pandemic in March 2020. To date, there are no specific antiviral drugs proven to be effective in treating SARS‐CoV‐2, requiring joint efforts from different research fronts to discover the best route of treatment. The first decisions in drug discovery are based on 2D cell culture using high‐throughput screening. In this context, spheroids and organoids emerge as a reliable alternative. Both are scaffold‐free 3D engineered constructs that recapitulate key cellular and molecular events of tissue physiology. Different studies have already shown their advantages as a model for different infectious diseases, including SARS‐CoV‐2 and for drug screening. The use of these 3D engineered tissues as an in vitro model can fill the gap between 2D cell culture and in vivo preclinical assays (animal models) as they could recapitulate the entire viral life cycle. The main objective of this review is to understand spheroid and organoid biology, highlighting their advantages and disadvantages, and how these scaffold‐free engineered tissues can contribute to a better comprehension of viral infection by SARS‐CoV‐2 and to the development of in vitro high‐throughput models for drug screening.
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Affiliation(s)
- Gabriela S Kronemberger
- Nucleus of Multidisciplinary Research in Biology (Numpex-Bio), Federal University of Rio de Janeiro (UFRJ), Campus Duque de Caxias, Rio de Janeiro, Brazil.,Postgraduation Program of Translational Biomedicine (Biotrans), Unigranrio, Campus I, Duque de Caxias, Brazil
| | - Fabiana A Carneiro
- Nucleus of Multidisciplinary Research in Biology (Numpex-Bio), Federal University of Rio de Janeiro (UFRJ), Campus Duque de Caxias, Rio de Janeiro, Brazil
| | | | - Leandra S Baptista
- Nucleus of Multidisciplinary Research in Biology (Numpex-Bio), Federal University of Rio de Janeiro (UFRJ), Campus Duque de Caxias, Rio de Janeiro, Brazil.,Postgraduation Program of Translational Biomedicine (Biotrans), Unigranrio, Campus I, Duque de Caxias, Brazil
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9
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Petta D, Basoli V, Pellicciotta D, Tognato R, Barcik JP, Arrigoni C, Della Bella E, Armiento AR, Candrian C, Richards GR, Alini M, Moretti M, Eglin D, Serra T. Sound-induced morphogenesis of multicellular systems for rapid orchestration of vascular networks. Biofabrication 2020; 13. [PMID: 32977317 DOI: 10.1088/1758-5090/abbb9c] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 09/25/2020] [Indexed: 12/19/2022]
Abstract
Morphogenesis, a complex process, ubiquitous in developmental biology and many pathologies, is based on self-patterning of cells. Spatial patterns of cells, organoids, or inorganic particles can be forced on demand using acoustic surface standing waves, such as the Faraday waves. This technology allows tuning of parameters (sound frequency, amplitude, chamber shape) under contactless, fast and mild culture conditions, for morphologically relevant tissue generation. We call this method Sound Induced Morphogenesis (SIM). In this work, we use SIM to achieve tight control over patterning of endothelial cells and mesenchymal stem cells densities within a hydrogel, with the endpoint formation of vascular structures. Here, we first parameterize our system to produce enhanced cell density gradients. Second, we allow for vasculogenesis after SIM patterning control and compare our controlled technology against state-of-the-art microfluidic culture systems, the latter characteristic of pure self-organized patterning and uniform initial density. Our sound-induced cell density patterning and subsequent vasculogenesis requires less cells than the microfluidic chamber. We advocate for the use of SIM for rapid, mild, and reproducible morphogenesis induction and further explorations in the regenerative medicine and cell therapy fields.
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Affiliation(s)
- Dalila Petta
- Regenerative Medicine Technologis Lab, Ente Ospedaliero Cantonale, Lugano, SWITZERLAND
| | - Valentina Basoli
- AO Research Institute Davos, Davos Platz, Graubünden, SWITZERLAND
| | | | - Riccardo Tognato
- AO Research Institute Davos, Davos Platz, Graubünden, SWITZERLAND
| | - Jan P Barcik
- AO Research Institute Davos, Davos Platz, Graubünden, SWITZERLAND
| | - Chiara Arrigoni
- Regenerative Medicine Technologis Lab, Ente Ospedaliero Cantonale, Lugano, SWITZERLAND
| | | | | | - Christian Candrian
- Unità di Traumatologia e Ortopedia, Ente Ospedaliero Cantonale, Lugano, SWITZERLAND
| | - Geoff R Richards
- AO Research Institute Davos, Davos Platz, Graubünden, SWITZERLAND
| | - Mauro Alini
- Musculoskeletal Regeneration Program, AO Research Institute Davos, Davos, Graubünden, SWITZERLAND
| | - Matteo Moretti
- Regenerative Medicine Technologies Laboratory, Ente Ospedaliero Cantonale, Lugano, SWITZERLAND
| | - David Eglin
- Musculoskeletal Regeneration Program, AO Research Institute Davos, Davos, Graubünden, SWITZERLAND
| | - Tiziano Serra
- AO Research Institute Davos, Davos Platz, Graubünden, SWITZERLAND
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10
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Endothelial Cells: Co-culture Spheroids. Methods Mol Biol 2020. [PMID: 32754810 DOI: 10.1007/978-1-0716-0916-3_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2023]
Abstract
The development and maintenance of a functioning vascular system is a critical function for many aspects of tissue growth and regeneration. Vascular endothelial cell in vitro co-culture spheroids are self-organized cell composites that have the capacity to recapitulate the three-dimensional tissue microenvironment. These spheroid testing platforms aim to better understand the mechanisms of functional tissue and how new therapeutic agents can drive these 3D co-culture processes. Here we describe direct cell-cell 3D endothelial co-culture spheroid methods, to examine the physiological spatial growth and cell-cell interaction of vascular cells and surrounding native tissue cells in the formation of vascular networks within spheroids and the potential to regenerate tissue.
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11
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Junka R, Yu X. Polymeric nanofibrous scaffolds laden with cell-derived extracellular matrix for bone regeneration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 113:110981. [PMID: 32487395 PMCID: PMC7292471 DOI: 10.1016/j.msec.2020.110981] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 04/14/2020] [Accepted: 04/16/2020] [Indexed: 12/11/2022]
Abstract
Bone tissue engineering aims to alleviate the shortage of available autograft material and the biological/mechanical incompatibility of allografts through fabrication of bioactive synthetic bone graft substitutes. However, these substitute grafting materials have insufficient biological potency that limits their clinical efficacy in regenerating large defects. Extracellular matrix, a natural tissue scaffold laden with biochemical and structural cues regulating cell adhesion and tissue morphogenesis, may be a versatile supplement that can extend its biological functionality to synthetic grafts. Embedding decellularized extracellular matrix (dECM) into synthetic polymers offers a promising strategy to enhance cellular response to synthetic materials, mitigate physical and mechanical limitations of dECMs, and improve clinical utility of synthetic bone grafts. Enriched with dECM biochemical cues, synthetic polymers can be readily fabricated into complex biocomposite grafts that mimic bone structure and stimulate endogenous cells to regenerate bone. In this study, cell-derived dECMs from osteoblast and endothelial cells were incorporated into polycaprolactone (PCL) solutions for electrospinning dual-layer nanofibrous scaffolds with osteogenic and vascular cues. The study examined the bioactivity of dECM scaffolds in osteoblast cultures for cell number, mineral deposits, and osteogenic markers, as well as regeneration of cortical bone defect in a rat femur. Scaffolds with osteoblast dECM had a significantly robust osteoblast proliferation, Alizarin Red staining/concentration, and osteopontin-positive extracellular deposits. Implanted scaffolds increased bone growth in femoral defects, and constructs with both osteogenic and vascular cues significantly improved cortical width. These findings demonstrate the potential to fabricate tailored biomimetic grafts with dECM cues and fibrous architecture for bone applications.
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Affiliation(s)
- Radoslaw Junka
- Department Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, United States of America
| | - Xiaojun Yu
- Department Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, United States of America.
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12
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Hepatocyte growth factor (HGF) and stem cell factor (SCF) maintained the stemness of human bone marrow mesenchymal stem cells (hBMSCs) during long-term expansion by preserving mitochondrial function via the PI3K/AKT, ERK1/2, and STAT3 signaling pathways. Stem Cell Res Ther 2020; 11:329. [PMID: 32736659 PMCID: PMC7393921 DOI: 10.1186/s13287-020-01830-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 05/23/2020] [Accepted: 07/13/2020] [Indexed: 12/24/2022] Open
Abstract
Background Mesenchymal stem cells (MSCs) have a limited self-renewal ability, impaired multi-differentiation potential, and undetermined cell senescence during in vitro series expansion. To address this concern, we investigated the effects of the microenvironment provided by stem cells from human exfoliated deciduous teeth (SHED) in maintaining the stemness of human bone marrow mesenchymal stem cells (hBMSCs) and identified the key factors and possible mechanisms responsible for maintaining the stemness of MSCs during long-term expansion in vitro. Methods The passage 3 (P3) to passage 8 (P8) hBMSCs were cultured in the conditioned medium from SHED (SHED-CM). The percentage of senescent cells was evaluated by β-galactosidase staining. In addition, the osteogenic differentiation potential was analyzed by reverse transcription quantitative PCR (RT-qPCR), Western blot, alizarin red, and alkaline phosphatase (ALP) staining. Furthermore, RT-qPCR results identified hepatocyte growth factor (HGF) and stem cell factor (SCF) as key factors. Thus, the effects of HGF and SCF on mitochondrial function were assessed by measuring the ROS and mitochondrial membrane potential levels. Finally, selected mitochondrial-related proteins associated with the PI3K/AKT, ERK1/2, and STAT3 signaling pathways were investigated to determine the effects of HGF and SCF in preserving the mitochondrial function of hBMSCs during long-term expansion. Results SHED-CM had significantly enhanced the cell proliferation, reduced the senescent cells, and maintained the osteogenesis and pro-angiogenic capacity in P8 hBMSCs during long-term expansion. In addition, hBMSCs treated with 100 ng/ml HGF and 10 ng/ml SCF had reduced ROS levels and preserved mitochondrial membrane potential compared with P8 hBMSCs during long-term expansion. Furthermore, HGF and SCF upregulated the expression of mitochondrial-related proteins associated with the PI3K/AKT, ERK1/2, and STAT3 signaling pathways, possibly contributing to the maintenance of hBMSCs stemness by preserving mitochondrial function. Conclusion Both HGF and SCF are key factors in maintaining the stemness of hBMSCs by preserving mitochondrial function through the expression of proteins associated with the PI3K/AKT, ERK1/2, and STAT3 signaling pathways. This study provides new insights into the anti-senescence capability of HGF and SCF, as well as new evidence for their potential application in optimizing the long-term culture of MSCs.
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13
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Cidonio G, Glinka M, Kim YH, Kanczler JM, Lanham SA, Ahlfeld T, Lode A, Dawson JI, Gelinsky M, Oreffo ROC. Nanoclay-based 3D printed scaffolds promote vascular ingrowth ex vivo and generate bone mineral tissue in vitro and in vivo. Biofabrication 2020; 12:035010. [PMID: 32259804 DOI: 10.1088/1758-5090/ab8753] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Acellular soft hydrogels are not ideal for hard tissue engineering given their poor mechanical stability, however, in combination with cellular components offer significant promise for tissue regeneration. Indeed, nanocomposite bioinks provide an attractive platform to deliver human bone marrow stromal cells (HBMSCs) in three dimensions producing cell-laden constructs that aim to facilitate bone repair and functionality. Here we present the in vitro, ex vivo and in vivo investigation of bioprinted HBMSCs encapsulated in a nanoclay-based bioink to produce viable and functional three-dimensional constructs. HBMSC-laden constructs remained viable over 21 d in vitro and immediately functional when conditioned with osteogenic media. 3D scaffolds seeded with human umbilical vein endothelial cells (HUVECs) and loaded with vascular endothelial growth factor (VEGF) implanted ex vivo into a chick chorioallantoic membrane (CAM) model showed integration and vascularisation after 7 d of incubation. In a pre-clinical in vivo application of a nanoclay-based bioink to regenerate skeletal tissue, we demonstrated bone morphogenetic protein-2 (BMP-2) absorbed scaffolds produced extensive mineralisation after 4 weeks (p < 0.0001) compared to the drug-free and alginate controls. In addition, HBMSC-laden 3D printed scaffolds were found to significantly (p < 0.0001) support bone tissue formation in vivo compared to acellular and cast scaffolds. These studies illustrate the potential of nanoclay-based bioink, to produce viable and functional constructs for clinically relevant skeletal tissue regeneration.
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Affiliation(s)
- Gianluca Cidonio
- Bone and Joint Research Group, Centre for Human Development, Stem Cells and Regeneration, Institute of Developmental Sciences, University of Southampton, Southampton, United Kingdom. Center for Life Nano Science, Istituto Italiano di Tecnologia, Viale Regina Elena 291, 00161 Rome, Italy
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Gaspar VM, Lavrador P, Borges J, Oliveira MB, Mano JF. Advanced Bottom-Up Engineering of Living Architectures. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1903975. [PMID: 31823448 DOI: 10.1002/adma.201903975] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 08/30/2019] [Indexed: 05/08/2023]
Abstract
Bottom-up tissue engineering is a promising approach for designing modular biomimetic structures that aim to recapitulate the intricate hierarchy and biofunctionality of native human tissues. In recent years, this field has seen exciting progress driven by an increasing knowledge of biological systems and their rational deconstruction into key core components. Relevant advances in the bottom-up assembly of unitary living blocks toward the creation of higher order bioarchitectures based on multicellular-rich structures or multicomponent cell-biomaterial synergies are described. An up-to-date critical overview of long-term existing and rapidly emerging technologies for integrative bottom-up tissue engineering is provided, including discussion of their practical challenges and required advances. It is envisioned that a combination of cell-biomaterial constructs with bioadaptable features and biospecific 3D designs will contribute to the development of more robust and functional humanized tissues for therapies and disease models, as well as tools for fundamental biological studies.
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Affiliation(s)
- Vítor M Gaspar
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Pedro Lavrador
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - João Borges
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Mariana B Oliveira
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - João F Mano
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
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Marshall KM, Kanczler JM, Oreffo ROC. Evolving applications of the egg: chorioallantoic membrane assay and ex vivo organotypic culture of materials for bone tissue engineering. J Tissue Eng 2020; 11:2041731420942734. [PMID: 33194169 PMCID: PMC7594486 DOI: 10.1177/2041731420942734] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 06/26/2020] [Indexed: 01/03/2023] Open
Abstract
The chick chorioallantoic membrane model has been around for over a century, applied in angiogenic, oncology, dental and xenograft research. Despite its often perceived archaic, redolent history, the chorioallantoic membrane assay offers new and exciting opportunities for material and growth factor evaluation in bone tissue engineering. Currently, superior/improved experimental methodology for the chorioallantoic membrane assay are difficult to identify, given an absence of scientific consensus in defining experimental approaches, including timing of inoculation with materials and the analysis of results. In addition, critically, regulatory and welfare issues impact upon experimental designs. Given such disparate points, this review details recent research using the ex vivo chorioallantoic membrane assay and the ex vivo organotypic culture to advance the field of bone tissue engineering, and highlights potential areas of improvement for their application based on recent developments within our group and the tissue engineering field.
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Affiliation(s)
- Karen M Marshall
- Bone and Joint Research Group, Centre for Human
Development, Stem Cells and Regeneration, Institute of Developmental Sciences,
University of Southampton, Southampton, UK
| | - Janos M Kanczler
- Bone and Joint Research Group, Centre for Human
Development, Stem Cells and Regeneration, Institute of Developmental Sciences,
University of Southampton, Southampton, UK
| | - Richard OC Oreffo
- Bone and Joint Research Group, Centre for Human
Development, Stem Cells and Regeneration, Institute of Developmental Sciences,
University of Southampton, Southampton, UK
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Rabou MAA, Naga NAAE, Eid FA. Effect of Transplanted Bone Marrow on Kidney Tissue of γ-Irradiated Pregnant Rats and Their Fetuses. Pak J Biol Sci 2020; 23:92-102. [PMID: 31930887 DOI: 10.3923/pjbs.2020.92.102] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
BACKGROUND AND OBJECTIVES The damaging effects of ionizing radiation lead to cell death. The present study was performed to assess the possible ameliorating effects of bone marrow transplantation (BMT) on the histopathological and histochemical changes in the kidney tissue of γ-irradiated pregnant rats and their fetuses. MATERIALS AND METHODS Pregnant rats were divided into 5 sets (6 females in each set): Group C (untreated pregnant rats), group R7 (pregnant rats exposed to 2Gy of γ-rays on the 7th day of pregnancy), group R7+BM (pregnant rats exposed to 2Gy of γ-rays on the 7th day of pregnancy then injected by freshly BMT (75×106±5 cells) intra peritoneally after 1 h of irradiation, group R14 (pregnant rats exposed to 2Gy of γ-rays on the 14th day of pregnancy), group R14+BM (pregnant rats exposed to 2Gy γ-rays on the 14th day of pregnancy and after 1 h received 1 dose of BMT). All pregnant rats were sacrificed on the 20th day of pregnancy and kidney samples of pregnant rats and their fetuses were removed for histopathological and histochemical studies. RESULTS Gamma rays caused many histological and histochemical deviations in the kidney tissue of mothers and their fetuses on day 7 or 14 of gestation, but bone marrow transplantation highly improved the damage were occurred due to γ-rays. CONCLUSION Bone marrow transplantation has the ability to decrease the injury of gamma rays.
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Isolation and characterization of myogenic precursor cells from human cremaster muscle. Sci Rep 2019; 9:3454. [PMID: 30837559 PMCID: PMC6401155 DOI: 10.1038/s41598-019-40042-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 01/30/2019] [Indexed: 12/19/2022] Open
Abstract
Human myogenic precursor cells have been isolated and expanded from a number of skeletal muscles, but alternative donor biopsy sites must be sought after in diseases where muscle damage is widespread. Biopsy sites must be relatively accessible, and the biopsied muscle dispensable. Here, we aimed to histologically characterize the cremaster muscle with regard number of satellite cells and regenerative fibres, and to isolate and characterize human cremaster muscle-derived stem/precursor cells in adult male donors with the objective of characterizing this muscle as a novel source of myogenic precursor cells. Cremaster muscle biopsies (or adjacent non-muscle tissue for negative controls; N = 19) were taken from male patients undergoing routine surgery for urogenital pathology. Myosphere cultures were derived and tested for their in vitro and in vivo myogenic differentiation and muscle regeneration capacities. Cremaster-derived myogenic precursor cells were maintained by myosphere culture and efficiently differentiated to myotubes in adhesion culture. Upon transplantation to an immunocompromised mouse model of cardiotoxin-induced acute muscle damage, human cremaster-derived myogenic precursor cells survived to the transplants and contributed to muscle regeneration. These precursors are a good candidate for cell therapy approaches of skeletal muscle. Due to their location and developmental origin, we propose that they might be best suited for regeneration of the rhabdosphincter in patients undergoing stress urinary incontinence after radical prostatectomy.
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