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Deng X, Yu C, Zhang X, Tang X, Guo Q, Fu M, Wang Y, Fang K, Wu T. A chitosan-coated PCL/nano-hydroxyapatite aerogel integrated with a nanofiber membrane for providing antibacterial activity and guiding bone regeneration. NANOSCALE 2024; 16:9861-9874. [PMID: 38712977 DOI: 10.1039/d4nr00563e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
A guided bone regeneration (GBR) membrane can act as a barrier to prevent the invasion and interference from foreign soft tissues, promoting infiltration and proliferation of osteoblasts in the bone defect area. Herein, a composite scaffold with dual functions of osteogenesis and antibacterial effects was prepared for GBR. A polycaprolactone (PCL)/nano-hydroxyapatite (n-HA) aerogel produced by electrospinning and freeze-drying techniques was fabricated as the loose layer of the scaffold, while a PCL nanofiber membrane was used as the dense layer. Chitosan (CS) solution served as a middle layer to provide mechanical support and antibacterial effects between the two layers. Morphological results showed that the loose layer had a porous structure with n-HA successfully dispersed in the aerogels, while the dense layer possessed a sufficiently dense structure. In vitro antibacterial experiments illustrated that the CS solution in the middle layer stabilized the scaffold structure and endowed the scaffold with good antibacterial properties. The cytocompatibility results indicated that both fibroblasts and osteoblasts exhibited superior cell activity on the dense and loose layers, respectively. In particular, the dense layer made of nanofibers could work as a barrier layer to inhibit the infiltration of fibroblasts into the loose layer. In vitro osteogenesis analysis suggested that the PCL/n-HA aerogel could enhance the bone induction ability of bone mesenchymal stem cells, which was confirmed by the increased expression of the alkaline phosphatase activity. The loose structure facilitated the infiltration and migration of bone mesenchymal stem cells for better osteogenesis. In summary, such a composite scaffold exhibited excellent osteogenic and antibacterial properties as well as the barrier effect, thus holding promising potential for use as GBR materials.
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Affiliation(s)
- Xinyuan Deng
- Shandong Key Laboratory of Medical and Health Textile Materials, College of Textile & Clothing, Collaborative Innovation Center for Eco-textiles of Shandong Province and the Ministry of Education, Qingdao 266071, China.
| | - Chenghao Yu
- The Affiliated Hospital of Qingdao University, Qingdao Medical College, Qingdao University, Qingdao 266071, China
| | - Xiaopei Zhang
- Shandong Key Laboratory of Medical and Health Textile Materials, College of Textile & Clothing, Collaborative Innovation Center for Eco-textiles of Shandong Province and the Ministry of Education, Qingdao 266071, China.
- The Affiliated Hospital of Qingdao University, Qingdao Medical College, Qingdao University, Qingdao 266071, China
| | - Xunmeng Tang
- Shandong Key Laboratory of Medical and Health Textile Materials, College of Textile & Clothing, Collaborative Innovation Center for Eco-textiles of Shandong Province and the Ministry of Education, Qingdao 266071, China.
| | - Qingxia Guo
- Institute of Neuroregeneration & Neurorehabilitation, Department of Pathophysiology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Manfei Fu
- The Affiliated Hospital of Qingdao University, Qingdao Medical College, Qingdao University, Qingdao 266071, China
| | - Yuanfei Wang
- Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, China.
| | - Kuanjun Fang
- Shandong Key Laboratory of Medical and Health Textile Materials, College of Textile & Clothing, Collaborative Innovation Center for Eco-textiles of Shandong Province and the Ministry of Education, Qingdao 266071, China.
- Laboratory for Manufacturing Low Carbon and Functionalized Textiles in the Universities of Shandong Province, Qingdao, State Key Laboratory for Biofibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
| | - Tong Wu
- Shandong Key Laboratory of Medical and Health Textile Materials, College of Textile & Clothing, Collaborative Innovation Center for Eco-textiles of Shandong Province and the Ministry of Education, Qingdao 266071, China.
- The Affiliated Hospital of Qingdao University, Qingdao Medical College, Qingdao University, Qingdao 266071, China
- Institute of Neuroregeneration & Neurorehabilitation, Department of Pathophysiology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
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Hadzimustafic N, D’Elia A, Shamoun V, Haykal S. Human-Induced Pluripotent Stem Cells in Plastic and Reconstructive Surgery. Int J Mol Sci 2024; 25:1863. [PMID: 38339142 PMCID: PMC10855589 DOI: 10.3390/ijms25031863] [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: 12/12/2023] [Revised: 01/25/2024] [Accepted: 02/01/2024] [Indexed: 02/12/2024] Open
Abstract
A hallmark of plastic and reconstructive surgery is restoring form and function. Historically, tissue procured from healthy portions of a patient's body has been used to fill defects, but this is limited by tissue availability. Human-induced pluripotent stem cells (hiPSCs) are stem cells derived from the de-differentiation of mature somatic cells. hiPSCs are of particular interest in plastic surgery as they have the capacity to be re-differentiated into more mature cells, and cultured to grow tissues. This review aims to evaluate the applications of hiPSCs in the plastic surgery context, with a focus on recent advances and limitations. The use of hiPSCs and non-human iPSCs has been researched in the context of skin, nerve, vasculature, skeletal muscle, cartilage, and bone regeneration. hiPSCs offer a future for regenerated autologous skin grafts, flaps comprised of various tissue types, and whole functional units such as the face and limbs. Also, they can be used to model diseases affecting tissues of interest in plastic surgery, such as skin cancers, epidermolysis bullosa, and scleroderma. Tumorigenicity, immunogenicity and pragmatism still pose significant limitations. Further research is required to identify appropriate somatic origin and induction techniques to harness the epigenetic memory of hiPSCs or identify methods to manipulate epigenetic memory.
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Affiliation(s)
- Nina Hadzimustafic
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada; (N.H.); (A.D.); (V.S.)
| | - Andrew D’Elia
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada; (N.H.); (A.D.); (V.S.)
| | - Valentina Shamoun
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada; (N.H.); (A.D.); (V.S.)
| | - Siba Haykal
- Department of Plastic and Reconstructive Surgery, University Health Network, Toronto, ON M5G 2C4, Canada
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Shih YV, Kingsley D, Newman H, Hoque J, Gupta A, Lascelles BDX, Varghese S. Multi-Functional Small Molecule Alleviates Fracture Pain and Promotes Bone Healing. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303567. [PMID: 37939302 PMCID: PMC10754086 DOI: 10.1002/advs.202303567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 09/21/2023] [Indexed: 11/10/2023]
Abstract
Bone injuries such as fractures are one major cause of morbidities worldwide. A considerable number of fractures suffer from delayed healing, and the unresolved acute pain may transition to chronic and maladaptive pain. Current management of pain involves treatment with NSAIDs and opioids with substantial adverse effects. Herein, we tested the hypothesis that the purine molecule, adenosine, can simultaneously alleviate pain and promote healing in a mouse model of tibial fracture by targeting distinctive adenosine receptor subtypes in different cell populations. To achieve this, a biomaterial-assisted delivery of adenosine is utilized to localize and prolong its therapeutic effect at the injury site. The results demonstrate that local delivery of adenosine inhibited the nociceptive activity of peripheral neurons through activation of adenosine A1 receptor (ADORA1) and mitigated pain as demonstrated by weight bearing and open field movement tests. Concurrently, local delivery of adenosine at the fracture site promoted osteogenic differentiation of mesenchymal stromal cells through adenosine A2B receptor (ADORA2B) resulting in improved bone healing as shown by histological analyses and microCT imaging. This study demonstrates the dual role of adenosine and its material-assisted local delivery as a feasible therapeutic approach to treat bone trauma and associated pain.
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Affiliation(s)
- Yu‐Ru V. Shih
- Department of Orthopaedic SurgeryDuke University School of MedicineDurhamNC27710USA
| | - David Kingsley
- Department of Orthopaedic SurgeryDuke University School of MedicineDurhamNC27710USA
| | - Hunter Newman
- Department of Mechanical Engineering and Materials ScienceDuke UniversityDurhamNC27710USA
| | - Jiaul Hoque
- Department of Orthopaedic SurgeryDuke University School of MedicineDurhamNC27710USA
| | - Ankita Gupta
- Translational Research in Pain ProgramDepartment of Clinical SciencesCollege of Veterinary MedicineNorth Carolina State UniversityRaleighNC27607USA
| | - B. Duncan X. Lascelles
- Translational Research in Pain ProgramDepartment of Clinical SciencesCollege of Veterinary MedicineNorth Carolina State UniversityRaleighNC27607USA
- Thurston Arthritis CenterUniversity of North Carolina School of MedicineChapel HillNC27599USA
- Center for Translational Pain MedicineDepartment of AnesthesiologyDuke University School of MedicineDurhamNC27710USA
- Comparative Pain Research and Education CenterCollege of Veterinary MedicineNorth Carolina State UniversityRaleighNC27607USA
| | - Shyni Varghese
- Department of Orthopaedic SurgeryDuke University School of MedicineDurhamNC27710USA
- Department of Mechanical Engineering and Materials ScienceDuke UniversityDurhamNC27710USA
- Department of Biomedical EngineeringDuke UniversityDurhamNC27710USA
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Krasnova O, Neganova I. Assembling the Puzzle Pieces. Insights for in Vitro Bone Remodeling. Stem Cell Rev Rep 2023; 19:1635-1658. [PMID: 37204634 DOI: 10.1007/s12015-023-10558-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/08/2023] [Indexed: 05/20/2023]
Abstract
As a highly dynamic organ, bone changes during throughout a person's life. This process is referred to as 'bone remodeling' and it involves two stages - a well-balanced osteoclastic bone resorption and an osteoblastic bone formation. Under normal physiological conditions bone remodeling is highly regulated that ensures tight coupling between bone formation and resorption, and its disruption results in a bone metabolic disorder, most commonly osteoporosis. Though osteoporosis is one of the most prevalent skeletal ailments that affect women and men aged over 40 of all races and ethnicities, currently there are few, if any safe and effective therapeutic interventions available. Developing state-of-the-art cellular systems for bone remodeling and osteoporosis can provide important insights into the cellular and molecular mechanisms involved in skeletal homeostasis and advise better therapies for patients. This review describes osteoblastogenesis and osteoclastogenesis as two vital processes for producing mature, active bone cells in the context of interactions between cells and the bone matrix. In addition, it considers current approaches in bone tissue engineering, pointing out cell sources, core factors and matrices used in scientific practice for modeling bone diseases and testing drugs. Finally, it focuses on the challenges that bone regenerative medicine is currently facing.
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Affiliation(s)
- O Krasnova
- Institute of Cytology, Russian Academy of Sciences, Saint-Petersburg, Russia
| | - I Neganova
- Institute of Cytology, Russian Academy of Sciences, Saint-Petersburg, Russia.
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Li Q, Wu X, Mu S, He C, Ren X, Luo X, Adeli M, Han X, Ma L, Cheng C. Microenvironment Restruction of Emerging 2D Materials and their Roles in Therapeutic and Diagnostic Nano-Bio-Platforms. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2207759. [PMID: 37129318 PMCID: PMC10369261 DOI: 10.1002/advs.202207759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 03/30/2023] [Indexed: 05/03/2023]
Abstract
Engineering advanced therapeutic and diagnostic nano-bio-platforms (NBPFs) have emerged as rapidly-developed pathways against a wide range of challenges in antitumor, antipathogen, tissue regeneration, bioimaging, and biosensing applications. Emerged 2D materials have attracted extensive scientific interest as fundamental building blocks or nanostructures among material scientists, chemists, biologists, and doctors due to their advantageous physicochemical and biological properties. This timely review provides a comprehensive summary of creating advanced NBPFs via emerging 2D materials (2D-NBPFs) with unique insights into the corresponding molecularly restructured microenvironments and biofunctionalities. First, it is focused on an up-to-date overview of the synthetic strategies for designing 2D-NBPFs with a cross-comparison of their advantages and disadvantages. After that, the recent key achievements are summarized in tuning the biofunctionalities of 2D-NBPFs via molecularly programmed microenvironments, including physiological stability, biocompatibility, bio-adhesiveness, specific binding to pathogens, broad-spectrum pathogen inhibitors, stimuli-responsive systems, and enzyme-mimetics. Moreover, the representative therapeutic and diagnostic applications of 2D-NBPFs are also discussed with detailed disclosure of their critical design principles and parameters. Finally, current challenges and future research directions are also discussed. Overall, this review will provide cutting-edge and multidisciplinary guidance for accelerating future developments and therapeutic/diagnostic applications of 2D-NBPFs.
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Affiliation(s)
- Qian Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Xizheng Wu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Shengdong Mu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Chao He
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Xiancheng Ren
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Xianglin Luo
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Mohsen Adeli
- Department of Organic Chemistry, Faculty of Chemistry, Lorestan University, Khorramabad, 68137-17133, Iran
- Department of Chemistry and Biochemistry, Freie Universität Berlin, Takustrasse 3, 14195, Berlin, Germany
| | - Xianglong Han
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Lang Ma
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Chong Cheng
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610065, China
- Department of Chemistry and Biochemistry, Freie Universität Berlin, Takustrasse 3, 14195, Berlin, Germany
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Ahmadi A, Mazloomnejad R, Kasravi M, Gholamine B, Bahrami S, Sarzaeem MM, Niknejad H. Recent advances on small molecules in osteogenic differentiation of stem cells and the underlying signaling pathways. Stem Cell Res Ther 2022; 13:518. [PMID: 36371202 PMCID: PMC9652959 DOI: 10.1186/s13287-022-03204-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 10/09/2022] [Indexed: 11/15/2022] Open
Abstract
Bone-related diseases are major contributors to morbidity and mortality in elderly people and the current treatments result in insufficient healing and several complications. One of the promising areas of research for healing bone fractures and skeletal defects is regenerative medicine using stem cells. Differentiating stem cells using agents that shift cell development towards the preferred lineage requires activation of certain intracellular signaling pathways, many of which are known to induce osteogenesis during embryological stages. Imitating embryological bone formation through activation of these signaling pathways has been the focus of many osteogenic studies. Activation of osteogenic signaling can be done by using small molecules. Several of these agents, e.g., statins, metformin, adenosine, and dexamethasone have other clinical uses but have also shown osteogenic capacities. On the other hand, some other molecules such as T63 and tetrahydroquinolines are not as well recognized in the clinic. Osteogenic small molecules exert their effects through the activation of signaling pathways known to be related to osteogenesis. These pathways include more well-known pathways including BMP/Smad, Wnt, and Hedgehog as well as ancillary pathways including estrogen signaling and neuropeptide signaling. In this paper, we review the recent data on small molecule-mediated osteogenic differentiation, possible adjunctive agents with these molecules, and the signaling pathways through which each small molecule exerts its effects.
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Affiliation(s)
- Armin Ahmadi
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, P.O. Box: 1985711151, Tehran, Iran
| | - Radman Mazloomnejad
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, P.O. Box: 1985711151, Tehran, Iran
| | - Mohammadreza Kasravi
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, P.O. Box: 1985711151, Tehran, Iran
| | - Babak Gholamine
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, P.O. Box: 1985711151, Tehran, Iran
| | - Soheyl Bahrami
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology in AUVA Research Center, Vienna, Austria
| | - Mohammad Mahdi Sarzaeem
- Department of Orthopedic Surgery, Imam Hossein Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hassan Niknejad
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, P.O. Box: 1985711151, Tehran, Iran.
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Hoque J, Zeng Y, Newman H, Gonzales G, Lee C, Varghese S. Microgel-Assisted Delivery of Adenosine to Accelerate Fracture Healing. ACS Biomater Sci Eng 2022; 8:4863-4872. [PMID: 36266245 DOI: 10.1021/acsbiomaterials.2c00977] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Extracellular adenosine plays a key role in promoting bone tissue formation. Local delivery of adenosine could be an effective therapeutic strategy to harness the beneficial effect of extracellular adenosine on bone tissue formation following injury. Herein, we describe the development of an injectable in situ curing scaffold containing microgel-based adenosine delivery units. The two-component scaffold includes adenosine-loaded microgels and functionalized hyaluronic acid (HA) molecules. The microgels were generated upon copolymerization of 3-acrylamidophenylboronic acid (3-APBA)- and 2-aminoethylmethacrylamide (2-AEMA)-conjugated HA (HA-AEMA) in an emulsion suspension. The PBA functional groups were used to load the adenosine molecules. Mixing of the microgels with the HA polymers containing clickable groups, dibenzocyclooctyne (DBCO) and azide (HA-DBCO and HA-Azide), resulted in a 3D scaffold embedded with adenosine delivery units. Application of the in situ curing scaffolds containing adenosine-loaded microgels following tibial fracture injury showed improved bone tissue healing in a mouse model as demonstrated by the reduced callus size, higher bone volume, and increased tissue mineral density compared to those treated with the scaffold without adenosine. Overall, our results suggest that local delivery of adenosine could potentially be an effective strategy to promote bone tissue repair.
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Affiliation(s)
- Jiaul Hoque
- Department of Orthopaedic Surgery School of Medicine, Duke University, Durham, North Carolina 27710, United States
| | - Yuze Zeng
- Department of Orthopaedic Surgery School of Medicine, Duke University, Durham, North Carolina 27710, United States.,Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27710, United States
| | - Hunter Newman
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27710, United States
| | - Gavin Gonzales
- Department of Biomedical Engineering, Duke University, Durham, North Carolina 27710, United States
| | - Cheryl Lee
- Department of Biomedical Engineering, Duke University, Durham, North Carolina 27710, United States
| | - Shyni Varghese
- Department of Orthopaedic Surgery School of Medicine, Duke University, Durham, North Carolina 27710, United States.,Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27710, United States.,Department of Biomedical Engineering, Duke University, Durham, North Carolina 27710, United States
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8
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Ko MJ, Hong H, Choi H, Kang H, Kim D. Multifunctional Magnetic Nanoparticles for Dynamic Imaging and Therapy. ADVANCED NANOBIOMED RESEARCH 2022. [DOI: 10.1002/anbr.202200053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
- Min Jun Ko
- Department of Radiology Feinberg School of Medicine Northwestern University Chicago IL 60611 USA
| | - Hyunsik Hong
- Department of Materials Science and Engineering Korea University Seoul 02841 Republic of Korea
| | - Hyunjun Choi
- Department of Radiology Feinberg School of Medicine Northwestern University Chicago IL 60611 USA
- Department of Bioengineering University of Illinois at Chicago Chicago IL 60607 USA
| | - Heemin Kang
- Department of Materials Science and Engineering Korea University Seoul 02841 Republic of Korea
- College of Medicine Korea University Seoul 02841 Republic of Korea
| | - Dong‐Hyun Kim
- Department of Radiology Feinberg School of Medicine Northwestern University Chicago IL 60611 USA
- Department of Bioengineering University of Illinois at Chicago Chicago IL 60607 USA
- Department of Biomedical Engineering McCormick School of Engineering Northwestern University Evanston IL 60208 USA
- Robert H. Lurie Comprehensive Cancer Center Northwestern University Chicago Illinois 60611 USA
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Newman H, Hoque J, Shih YRV, Marushack G, Ko U, Gonzales G, Varghese S. pH-Sensitive nanocarrier assisted delivery of adenosine to treat osteoporotic bone loss. Biomater Sci 2022; 10:5340-5355. [PMID: 35929516 PMCID: PMC9894097 DOI: 10.1039/d2bm00843b] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Bone tissue undergoes continuous remodeling via osteoclast-mediated bone resorption and osteoblast-mediated bone formation. An imbalance in this process with enhanced osteoclastic activity can lead to excessive bone resorption, resulting in bone thinning. Once activated, osteoclasts bind to the bone surface and acidify the local niche. This acidic environment could serve as a potential trigger for the delivery of therapeutic agents into the osteoporotic bone tissue. To this end, we developed a pH-responsive nanocarrier-based drug delivery system that binds to the bone tissue and delivers an osteoanabolic molecule, adenosine. Adenosine is incorporated into a hyaluronic acid (HA)-based nanocarrier through a pH-sensitive ketal group. The HA-nanocarrier is further functionalized with alendronate moieties to improve binding to the bone tissues. Systemic administration of the nanocarrier containing adenosine attenuated bone loss in ovariectomized mice and showed comparable bone qualities to that of healthy mice. Delivery of osteoanabolic small molecules that can contribute to bone formation and inhibit excessive osteoclast activity by leveraging the tissue-specific milieu could serve as viable therapeutics for osteoporosis.
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Affiliation(s)
- Hunter Newman
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC 27710, USA.
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, NC 27710, USA
| | - Jiaul Hoque
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, NC 27710, USA
| | - Yu-Ru V Shih
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, NC 27710, USA
| | - Gabrielle Marushack
- Department of Biomedical Engineering, Duke University, Durham, NC 27710, USA
| | - Unghyeon Ko
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, NC 27710, USA
| | - Gavin Gonzales
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Biomedical Engineering, Duke University, Durham, NC 27710, USA
| | - Shyni Varghese
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC 27710, USA.
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Biomedical Engineering, Duke University, Durham, NC 27710, USA
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10
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Chan YH, Ho KN, Lee YC, Chou MJ, Lew WZ, Huang HM, Lai PC, Feng SW. Melatonin enhances osteogenic differentiation of dental pulp mesenchymal stem cells by regulating MAPK pathways and promotes the efficiency of bone regeneration in calvarial bone defects. Stem Cell Res Ther 2022; 13:73. [PMID: 35183254 PMCID: PMC8858457 DOI: 10.1186/s13287-022-02744-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 01/26/2022] [Indexed: 12/20/2022] Open
Abstract
Background Mesenchymal stem cell (MSC)-based tissue engineering plays a major role in regenerative medicine. However, the efficiency of MSC transplantation and survival of engrafted stem cells remain challenging. Melatonin can regulate MSC biology. However, its function in the osteogenic differentiation of dental pulp-derived MSCs (DPSCs) remains unclear. We investigated the effects and mechanisms of melatonin on the osteogenic differentiation and bone regeneration capacities of DPSCs. Methods The biological effects and signaling mechanisms of melatonin with different concentrations on DPSCs were evaluated using a proliferation assay, the quantitative alkaline phosphatase (ALP) activity, Alizarin red staining, a real-time polymerase chain reaction, and a western blot in vitro cell culture model. The in vivo bone regeneration capacities were assessed among empty control, MBCP, MBCP + DPSCs, and MBCP + DPSCs + melatonin preconditioning in four-created calvarial bone defects by using micro-computed tomographic, histological, histomorphometric, and immunohistochemical analyses after 4 and 8 weeks of healing. Results In vitro experiments revealed that melatonin (1, 10, and 100 μM) significantly and concentration-dependently promoted proliferation, surface marker expression (CD 146), ALP activity and extracellular calcium deposition, and osteogenic gene expression of DPSCs (p < 0.05). Melatonin activated the protein expression of ALP, OCN, and RUNX-2 and inhibited COX-2/NF-κB expression. Furthermore, the phosphorylation of mitogen-activated protein kinase (MAPK) p38/ERK signaling was significantly increased in DPSCs treated with 100 μM melatonin, and their inhibitors significantly decreased osteogenic differentiation. In vivo experiments demonstrated that bone defects implanted with MBCP bone-grafting materials and melatonin-preconditioned DPSCs exhibited significantly greater bone volume fraction, trabecular bone structural modeling, new bone formation, and osteogenesis-related protein expression than the other three groups at 4 and 8 weeks postoperatively (p < 0.05). Conclusions These results suggest that melatonin promotes the proliferation and osteogenic differentiation of DPSCs by regulating COX-2/NF-κB and p38/ERK MAPK signaling pathways. Preconditioning DPSCs with melatonin before transplantation can efficiently enhance MSCs function and regenerative capacities.
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11
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Yi H, Wang Y, Liang Q, Mao X. Preclinical and Clinical Amelioration of Bone Fractures with Mesenchymal Stromal Cells: a Systematic Review and Meta-Analysis. Cell Transplant 2022; 31:9636897211051743. [PMID: 35916286 PMCID: PMC9350497 DOI: 10.1177/09636897211051743] [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] [Indexed: 12/09/2022] Open
Abstract
Even though reunion of bone fracture confronts clinicians, mesenchymal stromal
cells (MSCs) are investigated to be curative in bone fracture. This study aimed
to explore the application potential of MSCs for healing bone fractures. By
inputting search terms and retrieving studies published up to March 2021,
multiple databases, including PubMed, EMBASE, Web of Science, and Cochrane
Library, were searched to identify eligible studies. The mean difference (MD)
and 95% confidence interval (95% CI) were calculated to analyze the main results
in the meta-analysis. Data analysis was performed using Engauge Digitizer 10.8
and R Software. Of the 31 articles, 26 were preclinical studies
(n = 913), and 5 were clinical trials (n =
335). Preclinically, MSCs therapy significantly augmented the progress of bone
regeneration [(bone volume over tissue volume (MD7.35, p <
0.01)], despite some non-significant effects (on the callus index, bone
strength, work to failure, and stiffness). Clinically, the MSC group had a
significantly reduced incidence of poor recovery (odds ratio (OR) 0.30,
p < 0.01); however, a significant decrease in healing
time was not observed in the MSC group (MD 2.47, p = 0.26). In
summary, our data suggest that patients with bone fractures benefited from MSC
administration and that MSCs are a potentially useful agent for bone
regeneration. Despite these satisfactory outcomes, larger randomised clinical
trials (RCTs) are necessary to confirm these findings.
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Affiliation(s)
- Hanxiao Yi
- Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yang Wang
- Department of Orthopaedics, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong Province, China
| | - Qunying Liang
- Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Xiaoqun Mao
- Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
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12
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Exogenous adenosine activates A2A adenosine receptor to inhibit RANKL-induced osteoclastogenesis via AP-1 pathway to facilitate bone repair. Mol Biol Rep 2021; 49:2003-2014. [PMID: 34846650 DOI: 10.1007/s11033-021-07017-1] [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: 09/07/2021] [Accepted: 11/24/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND Adenosine is a purine nucleoside involved in regulating bone homeostasis through binding to A1, A2A, A2B, and A3 adenosine receptors (A1R, A2AR, A2BR, and A3R, respectively). However, the underlying mechanisms by which adenosine and receptor subtypes regulate osteoclast differentiation remain uncertain. This study aims to assess the role of exogenous adenosine and receptor subtypes in receptor activator of NF-κB ligand (RANKL)-induced osteoclast formation and explore the underlying molecular mechanisms. METHODS AND RESULTS The nanofibrous mats incorporated with adenosine exhibited robust ability to facilitate rat critical-size calvarial defect healing with decreased number of osteoclasts. Moreover, exogenous adenosine substantially enhanced the expression of A2AR and suppressed tartrate-resistant acid phosphatase-positive osteoclast formation and expression of osteoclast-related genes Ctsk, NFATc1, MMP9, and ACP5. This enhancement and suppression could be reversed by adding an A2AR antagonist, ZM241385, in RAW264.7 cells. Finally, RNA sequencing showed that the expression of Fos-related antigen 2 (Fra2) was distinctly downregulated through stimulation of adenosine in RAW264.7 cells treated with RANKL. This downregulation was reversed by ZM241385 according to real-time PCR, Western blot, and immunofluorescence analyses. CONCLUSIONS These findings demonstrated that exogenous adenosine binding to A2AR attenuated osteoclast differentiation via the inhibition of activating protein-1 (AP-1, including Fra2 subunit) pathway both in vitro and in vivo.
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13
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Newman H, Shih YV, Varghese S. Resolution of inflammation in bone regeneration: From understandings to therapeutic applications. Biomaterials 2021; 277:121114. [PMID: 34488119 DOI: 10.1016/j.biomaterials.2021.121114] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 07/10/2021] [Accepted: 08/28/2021] [Indexed: 12/12/2022]
Abstract
Impaired bone healing occurs in 5-10% of cases following injury, leading to a significant economic and clinical impact. While an inflammatory response upon injury is necessary to facilitate healing, its resolution is critical for bone tissue repair as elevated acute or chronic inflammation is associated with impaired healing in patients and animal models. This process is governed by important crosstalk between immune cells through mediators that contribute to resolution of inflammation in the local healing environment. Approaches modulating the initial inflammatory phase followed by its resolution leads to a pro-regenerative environment for bone regeneration. In this review, we discuss the role of inflammation in bone repair, the negative impact of dysregulated inflammation on bone tissue regeneration, and how timely resolution of inflammation is necessary to achieve normal healing. We will discuss applications of biomaterials to treat large bone defects with a specific focus on resolution of inflammation to modulate the immune environment following bone injury, and their observed functional benefits. We conclude the review by discussing future strategies that could lead to the realization of anti-inflammatory therapeutics for bone tissue repair.
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Affiliation(s)
- Hunter Newman
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC, 27710, USA
| | - Yuru Vernon Shih
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Shyni Varghese
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC, 27710, USA; Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, NC, 27710, USA; Department of Biomedical Engineering, Duke University, Durham, NC, 27710, USA.
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14
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Flegeau K, Gauthier O, Rethore G, Autrusseau F, Schaefer A, Lesoeur J, Veziers J, Brésin A, Gautier H, Weiss P. Injectable silanized hyaluronic acid hydrogel/biphasic calcium phosphate granule composites with improved handling and biodegradability promote bone regeneration in rabbits. Biomater Sci 2021; 9:5640-5651. [PMID: 34254604 DOI: 10.1039/d1bm00403d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Biphasic calcium phosphate (BCP) granules are osteoconductive biomaterials used in clinics to favor bone reconstruction. Yet, poor cohesivity, injectability and mechanical properties restrain their use as bone fillers. In this study, we incorporated BCP granules into in situ forming silanized hyaluronic acid (Si-HA) and hydroxypropylmethylcellulose (Si-HPMC) hydrogels. Hydrogel composites were shown to be easily injectable (F < 30 N), with fast hardening properties (<5 min), and similar mechanical properties (E∼ 60 kPa). In vivo, both hydrogels were well tolerated by the host, but showed different biodegradability with Si-HA gels being partially degraded after 21d, while Si-HPMC gels remained stable. Both composites were easily injected into critical size rabbit defects and remained cohesive. After 4 weeks, Si-HPMC/BCP led to poor bone healing due to a lack of degradation. Conversely, Si-HA/BCP composites were fully degraded and beneficially influenced bone regeneration by increasing the space available for bone ingrowth, and by accelerating BCP granules turnover. Our study demonstrates that the degradation rate is key to control bone regeneration and that Si-HA/BCP composites are promising biomaterials to regenerate bone defects.
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Affiliation(s)
- Killian Flegeau
- Université de Nantes, ONIRIS, Inserm UMR 1229, RMeS, Regenerative Medicine and Skeleton, Nantes F-44042, France. and Université de Nantes, UFR Odontologie, Nantes, F-44042, France and HTL S.A.S, Javené, France
| | - Olivier Gauthier
- Université de Nantes, ONIRIS, Inserm UMR 1229, RMeS, Regenerative Medicine and Skeleton, Nantes F-44042, France. and Université de Nantes, UFR Odontologie, Nantes, F-44042, France and Department of Experimental Surgery, CRIP, Oniris, Nantes, F-44300, France
| | - Gildas Rethore
- Université de Nantes, ONIRIS, Inserm UMR 1229, RMeS, Regenerative Medicine and Skeleton, Nantes F-44042, France. and Université de Nantes, UFR Odontologie, Nantes, F-44042, France and CHU Nantes, PHU4 OTONN, Nantes F-44093, France
| | - Florent Autrusseau
- Université de Nantes, ONIRIS, Inserm UMR 1229, RMeS, Regenerative Medicine and Skeleton, Nantes F-44042, France. and Université de Nantes, UFR Odontologie, Nantes, F-44042, France and Ecole Polytechnique de l'Université de Nantes, rue Ch. Pauc, Nantes, F-44300, France
| | - Aurélie Schaefer
- Université de Nantes, ONIRIS, Inserm UMR 1229, RMeS, Regenerative Medicine and Skeleton, Nantes F-44042, France. and Université de Nantes, UFR Odontologie, Nantes, F-44042, France and SC3M, SFR Santé F. Bonamy, FED 4203, UMS Inserm 016, CNRS 3556, Nantes F-44042, France
| | - Julie Lesoeur
- Université de Nantes, ONIRIS, Inserm UMR 1229, RMeS, Regenerative Medicine and Skeleton, Nantes F-44042, France. and Université de Nantes, UFR Odontologie, Nantes, F-44042, France and SC3M, SFR Santé F. Bonamy, FED 4203, UMS Inserm 016, CNRS 3556, Nantes F-44042, France
| | - Joëlle Veziers
- Université de Nantes, ONIRIS, Inserm UMR 1229, RMeS, Regenerative Medicine and Skeleton, Nantes F-44042, France. and CHU Nantes, PHU4 OTONN, Nantes F-44093, France and SC3M, SFR Santé F. Bonamy, FED 4203, UMS Inserm 016, CNRS 3556, Nantes F-44042, France
| | | | - Hélène Gautier
- Université de Nantes, ONIRIS, Inserm UMR 1229, RMeS, Regenerative Medicine and Skeleton, Nantes F-44042, France. and Université de Nantes, UFR Odontologie, Nantes, F-44042, France and Université de Nantes, Faculté de Pharmacie, Laboratoire de Pharmacie Galénique, Nantes F-44042, France
| | - Pierre Weiss
- Université de Nantes, ONIRIS, Inserm UMR 1229, RMeS, Regenerative Medicine and Skeleton, Nantes F-44042, France. and Université de Nantes, UFR Odontologie, Nantes, F-44042, France and CHU Nantes, PHU4 OTONN, Nantes F-44093, France
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15
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Calcium Chelidonate: Semi-Synthesis, Crystallography, and Osteoinductive Activity In Vitro and In Vivo. Pharmaceuticals (Basel) 2021; 14:ph14060579. [PMID: 34204329 PMCID: PMC8235635 DOI: 10.3390/ph14060579] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/11/2021] [Accepted: 06/14/2021] [Indexed: 12/17/2022] Open
Abstract
Calcium chelidonate [Ca(ChA)(H2O)3]n was obtained by semi-synthesis using natural chelidonic acid. The structure of the molecular complex was determined by X-ray diffraction analysis. The asymmetric unit of [Ca(ChA)(H2O)3]n includes chelidonic acid coordinated through three oxygen atoms, and three water ligands. The oxygen atoms of acid and oxygen atoms of water from each asymmetric unit are also coordinated to the calcium of another one, forming an infinite linear complex. Calcium geometry is close to the trigonal dodecahedron (D2d). The intra-complex hydrogen bonds additionally stabilize the linear species, which are parallel to the axis. In turn the linear species are packed into the 3D structure through mutual intercomplex hydrogen bonds. The osteogenic activity of the semi-synthetic CaChA was studied in vitro on 21-day hAMMSC culture and in vivo in mice using ectopic (subcutaneous) implantation of CaP-coated Ti plates saturated in vitro with syngeneic bone marrow. The enhanced extracellular matrix ECM mineralization in vitro and ectopic bone tissue formation in situ occurred while a water solution of calcium chelidonate at a dose of 10 mg/kg was used. The test substance promotes human adipose-derived multipotent mesenchymal stromal/stem cells (hAMMSCs), as well as mouse MSCs to differentiate into osteoblasts in vitro and in vivo, respectively. Calcium chelidonate is non-toxic and can stimulate osteoinductive processes.
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16
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Hajiali H, Ouyang L, Llopis-Hernandez V, Dobre O, Rose FRAJ. Review of emerging nanotechnology in bone regeneration: progress, challenges, and perspectives. NANOSCALE 2021; 13:10266-10280. [PMID: 34085085 DOI: 10.1039/d1nr01371h] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
The application of nanotechnology to regenerative medicine has increased over recent decades. The development of materials that can influence biology at the nanoscale has gained interest as our understanding of the interactions between cells and biomaterials at the nanoscale has grown. Materials that are either nanostructured or influence the nanostructure of the cellular microenvironment have been developed and shown to have advantages over their microscale counterparts. There are several reviews which have been published that discuss how nanomaterials have been used in regenerative medicine, particularly in bone regeneration. Most of these studies have explored this concept in specific areas, such as the application of glass-based nanocomposites, nanotechnology for targeted drug delivery to stimulate bone repair, and the progress in nanotechnology for the treatment of osteoporosis. In this review paper, the impact of nanotechnology in biomaterials development for bone regeneration will be discussed highlighting specifically, nanostructured materials that influence mechanical properties, biocompatibility, and osteoinductivity.
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Affiliation(s)
- Hadi Hajiali
- Division of Regenerative Medicine and Cellular Therapies, School of Pharmacy, University Park, University of Nottingham, NG7 2RD, UK.
| | - Liliang Ouyang
- Department of Materials, Imperial College London, London, SW7 2AZ, UK and Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, China
| | | | - Oana Dobre
- Centre for the Cellular Microenvironment, University of Glasgow, Glasgow, G12 8LT, UK
| | - Felicity R A J Rose
- Division of Regenerative Medicine and Cellular Therapies, School of Pharmacy, University Park, University of Nottingham, NG7 2RD, UK.
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17
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Yuste I, Luciano FC, González-Burgos E, Lalatsa A, Serrano DR. Mimicking bone microenvironment: 2D and 3D in vitro models of human osteoblasts. Pharmacol Res 2021; 169:105626. [PMID: 33892092 DOI: 10.1016/j.phrs.2021.105626] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/05/2021] [Accepted: 04/15/2021] [Indexed: 02/06/2023]
Abstract
Understanding the in vitro biology and behavior of human osteoblasts is crucial for developing research models that reproduce closely the bone structure, its functions, and the cell-cell and cell-matrix interactions that occurs in vivo. Mimicking bone microenvironment is challenging, but necessary, to ensure the clinical translation of novel medicines to treat more reliable different bone pathologies. Currently, bone tissue engineering is moving from 2D cell culture models such as traditional culture, sandwich culture, micro-patterning, and altered substrate stiffness, towards more complex 3D models including spheroids, scaffolds, cell sheets, hydrogels, bioreactors, and microfluidics chips. There are many different factors, such cell line type, cell culture media, substrate roughness and stiffness that need consideration when developing in vitro models as they affect significantly the microenvironment and hence, the final outcome of the in vitro assay. Advanced technologies, such as 3D bioprinting and microfluidics, have allowed the development of more complex structures, bridging the gap between in vitro and in vivo models. In this review, past and current 2D and 3D in vitro models for human osteoblasts will be described in detail, highlighting the culture conditions and outcomes achieved, as well as the challenges and limitations of each model, offering a widen perspective on how these models can closely mimic the bone microenvironment and for which applications have shown more successful results.
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Affiliation(s)
- I Yuste
- Pharmaceutics and Food Technology Department, School of Pharmacy, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - F C Luciano
- Pharmaceutics and Food Technology Department, School of Pharmacy, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - E González-Burgos
- Department of Pharmacology, Pharmacognosy and Botany, Faculty of Pharmacy, Universidad Complutense de Madrid (UCM), Madrid, Spain
| | - A Lalatsa
- Biomaterials, Bio-engineering and Nanomedicine (BioN) Lab, Institute of Biomedical and Biomolecular Sciences, School of Pharmacy and Biomedical Sciences, University of Portsmouth, White Swan Road, Portsmouth PO1 2 DT, UK
| | - D R Serrano
- Pharmaceutics and Food Technology Department, School of Pharmacy, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; Instituto Universitario de Farmacia Industrial. Facultad de Farmacia. Universidad Complutense de Madrid, 28040, Madrid, Spain.
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18
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Bone targeting nanocarrier-assisted delivery of adenosine to combat osteoporotic bone loss. Biomaterials 2021; 273:120819. [PMID: 33892345 PMCID: PMC10108099 DOI: 10.1016/j.biomaterials.2021.120819] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 04/06/2021] [Accepted: 04/07/2021] [Indexed: 11/22/2022]
Abstract
Extracellular adenosine has been shown to play a key role in maintaining bone health and could potentially be used to treat bone loss. However, systemic administration of exogenous adenosine to treat bone disorders remains a challenge due to the ubiquitous presence of adenosine receptors in different organs and the short half-life of adenosine in circulation. Towards this, we have developed a bone-targeting nanocarrier and determined its potential for systemic administration of adenosine. The nanocarrier, synthesized via emulsion suspension photopolymerization, is comprised of hyaluronic acid (HA) copolymerized with phenylboronic acid (PBA), a moiety that can form reversible bonds with adenosine. The bone binding affinity of the nanocarrier was achieved by alendronate (Aln) conjugation. Nanocarriers functionalized with the alendronate (Aln-NC) showed a 45% higher accumulation in the mice vertebrae in vivo compared to those lacking alendronate molecules (NCs). Systemic administration of adenosine via bone-targeting nanocarriers (Aln-NC) attenuated bone loss in ovariectomized (OVX) mice. Furthermore, bone tissue of mice treated with adenosine-loaded Aln-NC displayed trabecular bone characteristics comparable to healthy controls as shown by microcomputed tomography, histochemical staining, bone labeling, and mechanical strength. Overall, our results demonstrate the use of a bone-targeting nanocarrier towards systemic administration of adenosine and its application in treating bone degenerative diseases such as osteoporosis.
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19
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Yang G, Mahadik B, Choi JY, Yu JR, Mollot T, Jiang B, He X, Fisher JP. Fabrication of centimeter-sized 3D constructs with patterned endothelial cells through assembly of cell-laden microbeads as a potential bone graft. Acta Biomater 2021; 121:204-213. [PMID: 33271356 DOI: 10.1016/j.actbio.2020.11.040] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 11/24/2020] [Accepted: 11/25/2020] [Indexed: 02/07/2023]
Abstract
Modular tissue engineering is a promising biofabrication strategy to create engineered bone grafts in a bottom-up manner, in which cell-laden micro-modules are prepared as basic building blocks to assemble macroscopic tissues via different integrating mechanisms. In this study, we prepared collagen microbeads loaded with human bone marrow derived mesenchymal stem cells (BMSCs) using a microfluidic approach. The cell-laden microbeads were characterized for size change, cell activity, osteogenesis, as well as their self-assembly properties to generate centimeter-sized constructs. Moreover, using the cell-laden beads as a supporting medium, induced pluripotent stem cell-derived endothelial cells (iPSC-EC) were patterned inside bead aggregates through extrusion-based 3D printing. This fabrication approach that combines modular tissue engineering and supports 3D printing has the potential to create 3D engineered bone grafts with a pre-existing, customized vasculature.
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Affiliation(s)
- Guang Yang
- Tissue Engineering & Biomaterials Laboratory, Fischell Department of Bioengineering, A. James Clark School of Engineering, University of Maryland, College Park, MD 20742, United States; NIBIB/NIH Center for Engineering Complex Tissues, University of Maryland, College Park, MD 20742, United States
| | - Bhushan Mahadik
- Tissue Engineering & Biomaterials Laboratory, Fischell Department of Bioengineering, A. James Clark School of Engineering, University of Maryland, College Park, MD 20742, United States; NIBIB/NIH Center for Engineering Complex Tissues, University of Maryland, College Park, MD 20742, United States
| | - Ji Young Choi
- Tissue Engineering & Biomaterials Laboratory, Fischell Department of Bioengineering, A. James Clark School of Engineering, University of Maryland, College Park, MD 20742, United States; NIBIB/NIH Center for Engineering Complex Tissues, University of Maryland, College Park, MD 20742, United States
| | - Justine R Yu
- Tissue Engineering & Biomaterials Laboratory, Fischell Department of Bioengineering, A. James Clark School of Engineering, University of Maryland, College Park, MD 20742, United States; NIBIB/NIH Center for Engineering Complex Tissues, University of Maryland, College Park, MD 20742, United States; University of Maryland School of Medicine, Baltimore, MD 21201, United States
| | - Trevor Mollot
- Tissue Engineering & Biomaterials Laboratory, Fischell Department of Bioengineering, A. James Clark School of Engineering, University of Maryland, College Park, MD 20742, United States
| | - Bin Jiang
- Fischell Department of Bioengineering, A. James Clark School of Engineering, University of Maryland, College Park, MD 20742, United States
| | - Xiaoming He
- Fischell Department of Bioengineering, A. James Clark School of Engineering, University of Maryland, College Park, MD 20742, United States
| | - John P Fisher
- Tissue Engineering & Biomaterials Laboratory, Fischell Department of Bioengineering, A. James Clark School of Engineering, University of Maryland, College Park, MD 20742, United States; NIBIB/NIH Center for Engineering Complex Tissues, University of Maryland, College Park, MD 20742, United States.
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20
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Pires RF, Conde J, Bonifácio VDB. Osteogenic Differentiation of Human Mesenchymal Stem Cells by the Single Action of Luminescent Polyurea Oxide Biodendrimers. ACS APPLIED BIO MATERIALS 2020; 3:9101-9108. [PMID: 35019587 DOI: 10.1021/acsabm.0c01315] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Polyurea oxide (PURO) biodendrimers are a class of dendrimers that can trigger osteogenic differentiation of human mesenchymal stem cells (hMSCs). PURO biodendrimers are prepared by simple, solventless oxidation of polyurea dendrimers using hydrogen peroxide as the oxidant in quantitative yield, retaining both biocompatibility (up to 10 mg/mL for higher generations) and the non-traditional intrinsic luminescence. The effect of PURO biodendrimers in the differentiation of hMSCs was found by the single addition to a standard growth medium for MSCs differentiation (without differentiation inducers). After 21 days of incubation, the formation of osteoblasts was confirmed by the alizarin red staining assay and alkaline phosphatase activity. This is the first report of in vitro osteodifferentiation fully regulated by synthetic soft polymers such as dendrimers. Current osteogenic differentiation protocols rely on an in vitro inducing formulation (including dexamethasone, ascorbic acid, and β-glycerophosphate), which lacks therapeutic potential in vivo. The outstanding role of dendrimers in nanomedicine, under clinic translation, combined with this feature is envisaged to foster PURO dendrimers as an important strategy in cell therapy and regenerative medicine.
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Affiliation(s)
- Rita F Pires
- iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Lisboa 1049-001, Portugal
| | - João Conde
- NOVA Medical School, Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Lisboa 1169-056, Portugal.,Centre for Toxicogenomics and Human Health (ToxOmics), Genetics, Oncology and Human Toxicology, NOVA Medical School, Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Lisboa 1169-056, Portugal
| | - Vasco D B Bonifácio
- iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Lisboa 1049-001, Portugal
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21
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Chen IP. Differentiation of Human Induced Pluripotent Stem Cells (hiPSCs) into Osteoclasts. Bio Protoc 2020; 10:e3854. [PMID: 33659501 DOI: 10.21769/bioprotoc.3854] [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: 07/27/2020] [Revised: 10/22/2020] [Accepted: 10/23/2020] [Indexed: 11/02/2022] Open
Abstract
Defects in bone resorption by osteoclasts result in numerous rare genetic bone disorders as well as in some common diseases such as osteoporosis or osteopetrosis. The use of hiPSC-differentiated osteoclasts opens new avenues in this research field by providing an unlimited cell source and overcoming obstacles such as unavailability of human specimens and suitable animal models. Generation of hiPSCs is well established but efficient differentiation of hiPSCs into osteoclasts has been challenging. Published hiPSC-osteoclast differentiation protocols use a hiPSC-OP9 co-culture system or hiPSC-derived embryoid bodies (EBs) with multiple cytokines. Our three-stage protocol consists of 1) EB mesoderm differentiation, 2) expansion of myelomonocytic cells and 3) maturation of hiPSC-osteoclasts. We generate uniformly-sized EBs by culturing Accutase-dissociated hiPSCs on Nunclon Sphera microplates and promote EB mesoderm differentiation in a cytokine cocktail for 4 days. For Stage 2, EBs are transferred to gelatin-coated plates and cultured with hM-CSF and hIL-3 to expand the myelomonocytic population. By supplementing with vitamin D, hTGFβ, hM-CSF and hRANKL, cells collected at the end of Stage 2 are differentiated into mature osteoclasts (Stage 3). Compared to other techniques, our protocol does not require a co-culture system; induces EBs into mesoderm differentiation in a homogenous manner; uses less cytokines for differentiation; requires only a short time for osteoclast maturation and produces sufficient numbers of osteoclasts for subsequent molecular analyses. Graphic abstract.
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Affiliation(s)
- I-Ping Chen
- Department of Oral Health and Diagnostic Sciences, School of Dental Medicine, University of Connecticut Health, Farmington, CT, USA
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22
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Kim Y, Choi H, Shin JE, Bae G, Thangam R, Kang H. Remote active control of nanoengineered materials for dynamic nanobiomedical engineering. VIEW 2020. [DOI: 10.1002/viw.20200029] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Affiliation(s)
- Yuri Kim
- Department of Materials Science and Engineering Korea University Seoul Republic of Korea
| | - Hyojun Choi
- Department of Materials Science and Engineering Korea University Seoul Republic of Korea
| | - Jeong Eun Shin
- Department of Materials Science and Engineering Korea University Seoul Republic of Korea
| | - Gunhyu Bae
- Department of Materials Science and Engineering Korea University Seoul Republic of Korea
| | - Ramar Thangam
- Department of Materials Science and Engineering Korea University Seoul Republic of Korea
| | - Heemin Kang
- Department of Materials Science and Engineering Korea University Seoul Republic of Korea
- Department of Biomicrosystem Technology Korea University Seoul Republic of Korea
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23
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Shiu ST, Lew WZ, Lee SY, Feng SW, Huang HM. Effects of Sapindus mukorossi Seed Oil on Proliferation, Osteogenetic/Odontogenetic Differentiation and Matrix Vesicle Secretion of Human Dental Pulp Mesenchymal Stem Cells. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E4063. [PMID: 32933188 PMCID: PMC7560370 DOI: 10.3390/ma13184063] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 09/07/2020] [Accepted: 09/11/2020] [Indexed: 12/18/2022]
Abstract
Stem cells have attracted great interest in the development of tissue engineering. However, the self-regeneration and multi-differentiation capabilities of stem cells are easily impaired during cell transplantation. Recent studies have demonstrated that Sapindus mukorossi (S. mukorossi) seed oil has various positive biological effects. However, it is not yet clear whether S. mukorossi seed oil can increase the growth and differentiation of dental pulp mesenchymal stem cells (DPSCs). The aim of this study is to investigate the effects of S. mukorossi seed oil on the proliferation and differentiation of DPSCs. DPSCs with and without S. mukorossi seed oil, respectively, were evaluated and compared. The viabilities of the cells were assessed by MTT tests. The osteogenetic and odontogenetic capacities of the DPSCs were tested using Alizarin red S staining and alkaline phosphatase (ALP) activity assays. In addition, real-time PCR was performed to examine the gene expression of ALP, BMP-2 and DMP-1. Finally, extracellular matrix vesicle secretion was detected via scanning electron microscopy. No significant difference was observed in the viabilities of the DPSCs with and without S. mukorossi seed oil, respectively. However, under osteogenic and odontogenic induction, S. mukorossi seed oil increased the secretion of mineralized nodules and the ALP activity of the DPSCs (p < 0.05). The ALP gene expression of the differentiation-induced DPSCs was also enhanced. Finally, a greater secretion of extracellular matrix vesicles was detected in the DPSCs following odontogenic induction complemented with S. mukorossi seed oil. Overall, the present results show that S. mukorossi seed oil promotes the osteogenic/odontogenic differentiation and matrix vesicle secretion of DPSCs.
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Affiliation(s)
- Shiau-Ting Shiu
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan; (S.-T.S.); (W.-Z.L.); (S.-Y.L.)
- Department of Dentistry, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan
| | - Wei-Zhen Lew
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan; (S.-T.S.); (W.-Z.L.); (S.-Y.L.)
| | - Sheng-Yang Lee
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan; (S.-T.S.); (W.-Z.L.); (S.-Y.L.)
- Department of Dentistry, Wan-Fang Medical Center, Taipei Medical University, Taipei 11031, Taiwan
| | - Sheng-Wei Feng
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan; (S.-T.S.); (W.-Z.L.); (S.-Y.L.)
- Division of Prosthodontics, Department of Dentistry, Taipei Medical University Hospital, Taipei 11031, Taiwan
| | - Haw-Ming Huang
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan; (S.-T.S.); (W.-Z.L.); (S.-Y.L.)
- Graduate Institute of Biomedical Optomechatronics, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
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24
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Zhang M, Shi J, Xie M, Wen J, Niibe K, Zhang X, Luo J, Yan R, Zhang Z, Egusa H, Jiang X. Recapitulation of cartilage/bone formation using iPSCs via biomimetic 3D rotary culture approach for developmental engineering. Biomaterials 2020; 260:120334. [PMID: 32862124 DOI: 10.1016/j.biomaterials.2020.120334] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Revised: 07/13/2020] [Accepted: 08/15/2020] [Indexed: 12/21/2022]
Abstract
The recapitulation of cartilage/bone formation via guiding induced pluripotent stem cells (iPSCs) differentiation toward chondrogenic mesoderm lineage is an ideal approach to investigate cartilage/bone development and also for cartilage/bone regeneration. However, current induction protocols are time-consuming and complicated to follow. Here, we established a rapid and efficient approach that directly induce iPSCs differentiation toward chondrogenic mesoderm lineage by regulating the crucial Bmp-4 and FGF-2 signaling pathways using a 3D rotary suspension culture system. The mechanical stimulation from 3D rotary suspension accelerates iPSCs differentiation toward mesodermal and subsequent chondrogenic lineage via the Bmp-4-Smad1 and Tgf-β-Smad2/3 signaling pathways, respectively. The scaffold-free homogenous cartilaginous pellets or hypertrophic cartilaginous pellets derived from iPSCs within 28 days were capable of articular cartilage regeneration or vascularized bone regeneration via endochondral ossification in vivo, respectively. This biomimetic culture approach will contribute to research related to cartilage/bone development, regeneration, and hence to therapeutic applications in cartilage-/bone-related diseases.
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Affiliation(s)
- Maolin Zhang
- Department of Prosthodontics, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China; Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-Ku, Sendai, Miyagi, 980-8575, Japan
| | - Junfeng Shi
- Department of Prosthodontics, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Ming Xie
- Department of Prosthodontics, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Jin Wen
- Department of Prosthodontics, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Kunimichi Niibe
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-Ku, Sendai, Miyagi, 980-8575, Japan
| | - Xiangkai Zhang
- Department of Oral and Maxillofacial-Head and Neck Oncology, Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Jiaxin Luo
- Department of Prosthodontics, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Ran Yan
- Department of Prosthodontics, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Zhiyuan Zhang
- Department of Oral and Maxillofacial-Head and Neck Oncology, Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Hiroshi Egusa
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-Ku, Sendai, Miyagi, 980-8575, Japan.
| | - Xinquan Jiang
- Department of Prosthodontics, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China.
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25
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Soman SS, Vijayavenkataraman S. Applications of 3D Bioprinted-Induced Pluripotent Stem Cells in Healthcare. Int J Bioprint 2020; 6:280. [PMID: 33088994 PMCID: PMC7557348 DOI: 10.18063/ijb.v6i4.280] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 06/24/2020] [Indexed: 12/12/2022] Open
Abstract
Induced pluripotent stem cell (iPSC) technology and advancements in three-dimensional (3D) bioprinting technology enable scientists to reprogram somatic cells to iPSCs and 3D print iPSC-derived organ constructs with native tissue architecture and function. iPSCs and iPSC-derived cells suspended in hydrogels (bioinks) allow to print tissues and organs for downstream medical applications. The bioprinted human tissues and organs are extremely valuable in regenerative medicine as bioprinting of autologous iPSC-derived organs eliminates the risk of immune rejection with organ transplants. Disease modeling and drug screening in bioprinted human tissues will give more precise information on disease mechanisms, drug efficacy, and drug toxicity than experimenting on animal models. Bioprinted iPSC-derived cancer tissues will aid in the study of early cancer development and precision oncology to discover patient-specific drugs. In this review, we present a brief summary of the combined use of two powerful technologies, iPSC technology, and 3D bioprinting in health-care applications.
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Affiliation(s)
- Soja Saghar Soman
- Division of Engineering, New York University Abu Dhabi, Abu Dhabi, UAE
| | - Sanjairaj Vijayavenkataraman
- Division of Engineering, New York University Abu Dhabi, Abu Dhabi, UAE.,Department of Mechanical and Aerospace Engineering, Tandon School of Engineering, New York University, NY, USA
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26
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Ahmad T, Byun H, Shin HJ, Lee J, Madhurakkat Perikamana SK, Kim EM, Shin YM, Shin H. Polydopamine-assisted one-step modification of nanofiber surfaces with adenosine to tune the osteogenic differentiation of mesenchymal stem cells and the maturation of osteoclasts. Biomater Sci 2020; 8:2825-2839. [PMID: 32343757 DOI: 10.1039/c9bm01990a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Adenosine and its receptors have emerged as alternative targets to control cellular functions for bone healing. However, the soluble delivery of adenosine has not proven effective because of its fast degradation in vivo. We therefore designed a stable coating of adenosine for biomaterial surfaces through polydopamine chemistry to control osteogenesis and osteoclastogenesis via A2bR signaling. First, we prepared electrospun poly (ι-lactic acid) (PLLA) nanofiber sheets, which were modified through a one-step adenosine polydopamine coating process. Scanning electron microscopy (SEM) revealed deposition of particles on the adenosine polydopamine-coated PLLA (AP-PL) sheets compared to the polydopamine-only sheets. Moreover, X-ray photoelectron spectroscopy analysis confirmed an increase in nitrogen signals due to adenosine. Furthermore, adenosine loading efficiency and retention were significantly enhanced in AP-PL sheets compared to polydopamine-only sheets. Human adipose-derived stem cells (hADSCs) cultured on AP-PL expressed A2bR (1.30 ± 0.19 fold) at significantly higher levels than those cultured on polydopamine-only sheets. This in turn significantly elevated the expression of Runx2 (16.94 ± 1.68 and 51.69 ± 0.07 fold), OPN (1.63 ± 0.16 and 30.56 ± 0.25 fold), OCN (1.16 ± 0.13 and 5.23 ± 0.16 fold), and OSX (10.01 ± 0.81 and 62.48 ± 0.25 fold) in cells grown in growth media on days 14 and 21, respectively. Similarly, mineral deposition was enhanced to a greater extent in the AP-PL group than the polydopamine group, while blocking of A2bR significantly downregulated osteogenesis. Finally, osteoclast differentiation of RAW 264.7 cells was significantly inhibited by growth on AP-PL sheets. However, osteoclast differentiation was significantly stimulated after A2bR was blocked. Taken together, we propose that polydopamine-assisted one-step coating of adenosine is a viable method for surface modification of biomaterials to control osteogenic differentiation of stem cells and bone healing.
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Affiliation(s)
- Taufiq Ahmad
- Department of Bioengineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea.
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27
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Thakur G, Lee HJ, Jeon RH, Lee SL, Rho GJ. Small Molecule-Induced Pancreatic β-Like Cell Development: Mechanistic Approaches and Available Strategies. Int J Mol Sci 2020; 21:E2388. [PMID: 32235681 PMCID: PMC7178115 DOI: 10.3390/ijms21072388] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 03/26/2020] [Accepted: 03/26/2020] [Indexed: 02/06/2023] Open
Abstract
Diabetes is a metabolic disease which affects not only glucose metabolism but also lipid and protein metabolism. It encompasses two major types: type 1 and 2 diabetes. Despite the different etiologies of type 1 and 2 diabetes mellitus (T1DM and T2DM, respectively), the defining features of the two forms are insulin deficiency and resistance, respectively. Stem cell therapy is an efficient method for the treatment of diabetes, which can be achieved by differentiating pancreatic β-like cells. The consistent generation of glucose-responsive insulin releasing cells remains challenging. In this review article, we present basic concepts of pancreatic organogenesis, which intermittently provides a basis for engineering differentiation procedures, mainly based on the use of small molecules. Small molecules are more auspicious than any other growth factors, as they have unique, valuable properties like cell-permeability, as well as a nonimmunogenic nature; furthermore, they offer immense benefits in terms of generating efficient functional beta-like cells. We also summarize advances in the generation of stem cell-derived pancreatic cell lineages, especially endocrine β-like cells or islet organoids. The successful induction of stem cells depends on the quantity and quality of available stem cells and the efficient use of small molecules.
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Affiliation(s)
- Gitika Thakur
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine and Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea; (G.T.); (H.-J.L.); (S.-L.L.)
| | - Hyeon-Jeong Lee
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine and Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea; (G.T.); (H.-J.L.); (S.-L.L.)
| | - Ryoung-Hoon Jeon
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN 55905, USA;
| | - Sung-Lim Lee
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine and Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea; (G.T.); (H.-J.L.); (S.-L.L.)
| | - Gyu-Jin Rho
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine and Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea; (G.T.); (H.-J.L.); (S.-L.L.)
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28
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Induced Pluripotent Stem Cells in Dental and Nondental Tissue Regeneration: A Review of an Unexploited Potential. Stem Cells Int 2020; 2020:1941629. [PMID: 32300365 PMCID: PMC7146092 DOI: 10.1155/2020/1941629] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 03/06/2020] [Indexed: 12/16/2022] Open
Abstract
Cell-based therapies currently represent the state of art for tissue regenerative treatment approaches for various diseases and disorders. Induced pluripotent stem cells (iPSCs), reprogrammed from adult somatic cells, using vectors carrying definite transcription factors, have manifested a breakthrough in regenerative medicine, relying on their pluripotent nature and ease of generation in large amounts from various dental and nondental tissues. In addition to their potential applications in regenerative medicine and dentistry, iPSCs can also be used in disease modeling and drug testing for personalized medicine. The current review discusses various techniques for the production of iPSC-derived osteogenic and odontogenic progenitors, the therapeutic applications of iPSCs, and their regenerative potential in vivo and in vitro. Through the present review, we aim to explore the potential applications of iPSCs in dental and nondental tissue regeneration and to highlight different protocols used for the generation of different tissues and cell lines from iPSCs.
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29
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Cheng X, Cheng G, Xing X, Yin C, Cheng Y, Zhou X, Jiang S, Tao F, Deng H, Li Z. Controlled release of adenosine from core-shell nanofibers to promote bone regeneration through STAT3 signaling pathway. J Control Release 2020; 319:234-245. [DOI: 10.1016/j.jconrel.2019.12.048] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 12/16/2019] [Accepted: 12/28/2019] [Indexed: 12/13/2022]
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30
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Zeng Y, Shih YRV, Baht GS, Varghese S. In Vivo Sequestration of Innate Small Molecules to Promote Bone Healing. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1906022. [PMID: 31833120 PMCID: PMC7042087 DOI: 10.1002/adma.201906022] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 11/08/2019] [Indexed: 05/11/2023]
Abstract
Approaches that enable innate repair mechanisms hold great potential for tissue repair. Herein, biomaterial-assisted sequestration of small molecules is described to localize pro-regenerative signaling at the injury site. Specifically, a synthetic biomaterial containing boronate molecules is designed to sequester adenosine, a small molecule ubiquitously present in the human body. The biomaterial-assisted sequestration of adenosine leverages the transient surge of extracellular adenosine following injury to prolong local adenosine signaling. It is demonstrated that implantation of the biomaterial patch following injury establishes an in situ stockpile of adenosine, resulting in accelerated healing by promoting both osteoblastogenesis and angiogenesis. The adenosine content within the patch recedes to the physiological level as the tissue regenerates. In addition to sequestering endogenous adenosine, the biomaterial is also able to deliver exogenous adenosine to the site of injury, offering a versatile solution to utilizing adenosine as a potential therapeutic for tissue repair.
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Affiliation(s)
- Yuze Zeng
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC 27710, USA
| | - Yu-Ru V. Shih
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, NC 27710, USA
| | - Gurpreet S. Baht
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, NC 27710, USA
- Duke Molecular Physiology Institute, Durham, NC 27701, USA
| | - Shyni Varghese
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, NC 27710, USA
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC 27710, USA
- Department of Biomedical Engineering, Duke University, Durham, NC 27710, USA
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31
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Zujur D, Kanke K, Onodera S, Tani S, Lai J, Azuma T, Xin X, Lichtler AC, Rowe DW, Saito T, Tanaka S, Masaki H, Nakauchi H, Chung UI, Hojo H, Ohba S. Stepwise strategy for generating osteoblasts from human pluripotent stem cells under fully defined xeno-free conditions with small-molecule inducers. Regen Ther 2020; 14:19-31. [PMID: 31988991 PMCID: PMC6965656 DOI: 10.1016/j.reth.2019.12.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 11/20/2019] [Accepted: 12/24/2019] [Indexed: 01/01/2023] Open
Abstract
Clinically relevant human induced pluripotent stem cell (hiPSC) derivatives require efficient protocols to differentiate hiPSCs into specific lineages. Here we developed a fully defined xeno-free strategy to direct hiPSCs toward osteoblasts within 21 days. The strategy successfully achieved the osteogenic induction of four independently derived hiPSC lines by a sequential use of combinations of small-molecule inducers. The induction first generated mesodermal cells, which subsequently recapitulated the developmental expression pattern of major osteoblast genes and proteins. Importantly, Col2.3-Cherry hiPSCs subjected to this strategy strongly expressed the cherry fluorescence that has been observed in bone-forming osteoblasts in vivo. Moreover, the protocol combined with a three-dimensional (3D) scaffold was suitable for the generation of a xeno-free 3D osteogenic system. Thus, our strategy offers a platform with significant advantages for bone biology studies and it will also contribute to clinical applications of hiPSCs to skeletal regenerative medicine.
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Affiliation(s)
- Denise Zujur
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan
| | - Kosuke Kanke
- Department of Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Shoko Onodera
- Department of Biochemistry, Tokyo Dental College, Tokyo, Japan
| | - Shoichiro Tani
- Department of Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Jenny Lai
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan
| | - Toshifumi Azuma
- Department of Biochemistry, Tokyo Dental College, Tokyo, Japan
| | - Xiaonan Xin
- Department of Reconstructive Sciences, University of Connecticut Health Center, Farmington, CT, USA
| | - Alexander C Lichtler
- Department of Reconstructive Sciences, University of Connecticut Health Center, Farmington, CT, USA
| | - David W Rowe
- Department of Reconstructive Sciences, University of Connecticut Health Center, Farmington, CT, USA
| | - Taku Saito
- Department of Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Sakae Tanaka
- Department of Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hideki Masaki
- Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Hiromitsu Nakauchi
- Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, The University of Tokyo, Tokyo, Japan.,Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Ung-Il Chung
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan.,Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hironori Hojo
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan.,Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Shinsuke Ohba
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan.,Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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Ahmad T, Byun H, Lee J, Madhurakat Perikamana SK, Shin YM, Kim EM, Shin H. Stem cell spheroids incorporating fibers coated with adenosine and polydopamine as a modular building blocks for bone tissue engineering. Biomaterials 2019; 230:119652. [PMID: 31787333 DOI: 10.1016/j.biomaterials.2019.119652] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 11/23/2019] [Indexed: 01/22/2023]
Abstract
Although stem cell spheroids offer great potential as functional building blocks for bottom-up bone tissue engineering, delivery of bioactive signals remain challenging. Here, we engineered adenosine-ligand-modified fiber fragments to create a 3D cell-instructive microenvironment for bone. Briefly, the Poly(ι-lactic acid) (PLLA) nanofiber sheet was partially degraded into fragmented fibers (FFs) through aminolysis and adenosine was stably incorporated via one-step polydopamine coating. The SEM and XPS analysis demonstrated that polydopamine assisted adenosine coating efficiency was significantly increased, which led to high coating efficiency of adenosine and its significant retention. The engineered fibers were then assembled into stable spheroids with human-adipose-derived stem cells (hADSCs). The adenosine in the spheroids effectively stimulated A2bR (1.768 ± 0.08) signaling, which further significantly induced the expression of osteogenic markers such as Runx2 (3.216 ± 0.25), OPN (4.136 ± 0.14), OCN (10.16 ± 0.34), and OSX (2.27 ± 0.11) with improved mineral deposition (1.375 ± 0.05 μg per spheroid). In contrast, the adipogenic differentiation of hADSCs was significantly suppressed within the engineered spheroids. Transplantation of engineered spheroids strongly induced osteogenic differentiation of hADSCs in ectopic subcutaneous tissue. Finally, the bone regeneration was significantly enhanced by implanting AP-FF group (59.97 ± 18.33%) as compared to P-FF (27.96 ± 11.14) and defect only (7.97 ± 3.76%). We propose that stem cell spheroids impregnated with engineered fibers enabling adenosine delivery could be promising building blocks for a bottom-up approach to create large tissues for regeneration of damaged bone.
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Affiliation(s)
- Taufiq Ahmad
- Department of Bioengineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea
| | - Hayeon Byun
- Department of Bioengineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea
| | - Jinkyu Lee
- Department of Bioengineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea
| | - Sajeesh Kumar Madhurakat Perikamana
- Department of Bioengineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea
| | - Young Min Shin
- Department of Bioengineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea
| | - Eun Mi Kim
- Department of Bioengineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea
| | - Heungsoo Shin
- Department of Bioengineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea.
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33
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Lee YC, Chan YH, Hsieh SC, Lew WZ, Feng SW. Comparing the Osteogenic Potentials and Bone Regeneration Capacities of Bone Marrow and Dental Pulp Mesenchymal Stem Cells in a Rabbit Calvarial Bone Defect Model. Int J Mol Sci 2019; 20:ijms20205015. [PMID: 31658685 PMCID: PMC6834129 DOI: 10.3390/ijms20205015] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 10/02/2019] [Accepted: 10/09/2019] [Indexed: 12/16/2022] Open
Abstract
The bone regeneration efficiency of bone marrow mesenchymal stem cells (BMSCs) and dental pulp mesenchymal stem cells (DPSCs) combined with xenografts in the craniofacial region remains unclear. Accordingly, this study commenced by comparing the cell morphology, cell proliferation, trilineage differentiation, mineral synthesis, and osteogenic gene expression of BMSCs and DPSCs in vitro. Four experimental groups (empty control, Bio-Oss only, Bio-Oss+BMSCs, and Bio-Oss+DPSCs) were then designed and implanted in rabbit calvarial defects. The BMSCs and DPSCs showed a similar morphology, proliferative ability, surface marker profile, and trilineage-differentiation potential in vitro. However, the BMSCs exhibited a higher mineral deposition and expression levels of osteogenic marker genes, including alkaline phosphatase (ALP), runt related transcription factor 2 (RUNX2), and osteocalcin (OCN). In the in vivo studies, the bone volume density in both MSC groups was significantly greater than that in the empty control or Bio-Oss only group. Moreover, the new bone formation and Collagen I / osteoprotegerin protein expressions of the scaffold+MSC groups were higher than those of the Bio-Oss only group. Finally, the Bio-Oss+BMSC and Bio-Oss+DPSC groups had a similar bone mineral density, new bone formation, and osteogenesis-related protein expression. Overall, the DPSCs seeded on Bio-Oss matched the bone regeneration efficacy of BMSCs in vivo and hence appear to be a promising strategy for craniofacial defect repair in future clinical applications.
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Affiliation(s)
- Yu-Chieh Lee
- Department of Obstetrics and Gynecology, Taipei Medical University Hospital, Taipei 110, Taiwan.
| | - Ya-Hui Chan
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan.
- School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan.
| | - Sung-Chih Hsieh
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan.
| | - Wei-Zhen Lew
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan.
| | - Sheng-Wei Feng
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan.
- School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan.
- Division of Prosthodontics, Department of Dentistry, Taipei Medical University Hospital, Taipei 110, Taiwan.
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34
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35
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Kawai S, Yoshitomi H, Sunaga J, Alev C, Nagata S, Nishio M, Hada M, Koyama Y, Uemura M, Sekiguchi K, Maekawa H, Ikeya M, Tamaki S, Jin Y, Harada Y, Fukiage K, Adachi T, Matsuda S, Toguchida J. In vitro bone-like nodules generated from patient-derived iPSCs recapitulate pathological bone phenotypes. Nat Biomed Eng 2019; 3:558-570. [PMID: 31182836 DOI: 10.1038/s41551-019-0410-7] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 04/30/2019] [Indexed: 12/12/2022]
Abstract
The recapitulation of bone formation via the in vitro generation of bone-like nodules is frequently used to understand bone development. However, current bone-induction techniques are slow and difficult to reproduce. Here, we report the formation of bone-like nodules within ten days, via the use of retinoic acid (RA) to induce the osteogenic differentiation of human induced pluripotent stem cells (hiPSCs) into osteoblast-like and osteocyte-like cells that create human bone tissue when implanted in calvarial defects in mice. We also show that the induction of bone formation depends on cell signalling through the RA receptors RARα and RARβ, which simultaneously activate the BMP (bone morphogenetic protein) and Wnt signalling pathways. Moreover, by using patient-derived hiPSCs, the bone-like nodules recapitulated the osteogenesis-imperfecta phenotype, which was rescued via the correction of disease-causing mutations and partially by an mTOR (mechanistic target of rapamycin) inhibitor. The method of inducing bone nodules may serve as a fast and reproducible model for the study of the formation of both healthy and pathological bone.
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Affiliation(s)
- Shunsuke Kawai
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan.,Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Department of Regeneration Sciences and Engineering, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Hiroyuki Yoshitomi
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan.,Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Department of Regeneration Sciences and Engineering, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Junko Sunaga
- Department of Biosystems Science, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Cantas Alev
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan
| | - Sanae Nagata
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan
| | - Megumi Nishio
- Department of Regeneration Sciences and Engineering, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Masataka Hada
- Department of Regeneration Sciences and Engineering, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Yuko Koyama
- Department of Regeneration Sciences and Engineering, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Maya Uemura
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan
| | - Kazuya Sekiguchi
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan.,Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hirotsugu Maekawa
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan.,Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Makoto Ikeya
- Department of Clinical Application, Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan
| | - Sakura Tamaki
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan.,Department of Regeneration Sciences and Engineering, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Yonghui Jin
- Department of Regeneration Sciences and Engineering, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan.,Institute for Advancement of Clinical and Translational Sciences, Kyoto University Hospital, Kyoto University, Kyoto, Japan
| | - Yuki Harada
- Department of Pediatric Orthopaedics, Shiga Medical Center for Children, Shiga, Japan
| | - Kenichi Fukiage
- Department of Pediatric Orthopaedics, Shiga Medical Center for Children, Shiga, Japan
| | - Taiji Adachi
- Department of Biosystems Science, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Shuichi Matsuda
- Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Junya Toguchida
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan. .,Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan. .,Department of Regeneration Sciences and Engineering, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan. .,Institute for Advancement of Clinical and Translational Sciences, Kyoto University Hospital, Kyoto University, Kyoto, Japan.
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36
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Stem cells in Osteoporosis: From Biology to New Therapeutic Approaches. Stem Cells Int 2019; 2019:1730978. [PMID: 31281368 PMCID: PMC6589256 DOI: 10.1155/2019/1730978] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Revised: 04/21/2019] [Accepted: 04/23/2019] [Indexed: 12/11/2022] Open
Abstract
Osteoporosis is a systemic disease that affects the skeleton, causing reduction of bone density and mass, resulting in destruction of bone microstructure and increased risk of bone fractures. Since osteoporosis is a disease affecting the elderly and the aging of the world's population is constantly increasing, it is expected that the incidence of osteoporosis and its financial burden on the insurance systems will increase continuously and there is a need for more understanding this condition in order to prevent and/or treat it. At present, available drug therapy for osteoporosis primarily targets the inhibition of bone resorption and agents that promote bone mineralization, designed to slow disease progression. Safe and predictable pharmaceutical means to increase bone formation have been elusive. Stem cell therapy of osteoporosis, as a therapeutic strategy, offers the promise of an increase in osteoblast differentiation and thus reversing the shift towards bone resorption in osteoporosis. This review is focused on the current views regarding the implication of the stem cells in the cellular and physiologic mechanisms of osteoporosis and discusses data obtained from stem cell-based therapies of osteoporosis in experimental animal models and the possibility of their future application in clinical trials.
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37
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Avdeeva E, Shults E, Rybalova T, Reshetov Y, Porokhova E, Sukhodolo I, Litvinova L, Shupletsova V, Khaziakhmatova O, Khlusov I, Guryev A, Belousov M. Chelidonic Acid and Its Derivatives from Saussurea Controversa: Isolation, Structural Elucidation and Influence on the Osteogenic Differentiation of Multipotent Mesenchymal Stromal Cells In Vitro. Biomolecules 2019; 9:biom9050189. [PMID: 31100934 PMCID: PMC6572306 DOI: 10.3390/biom9050189] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 05/02/2019] [Accepted: 05/13/2019] [Indexed: 01/18/2023] Open
Abstract
4-oxo-4H-pyran-2.6-dicarboxylic acid (chelidonic acid, ChA) in the native state and in the complex with calcium [Ca(ChA)(H2O)3], named saucalchelin (CaChA), was isolated from the extract of Saussurea controversa leaves for the first time for the Asteraceae family. The structure of ChA was determined by NMR, MS and confirmed by X-ray analysis of its monomethyl ester, and CaChA was described by IR, ICP-MS, CHN analysis. The yield of ChA and CaChA was 45 mg/g and 70 mg/g of extract, respectively. The osteogenic activity of ChA, n-monobutyl ester of chelidonic acid, and CaChA has been studied in vitro in a 21-day culture of human adipose-derived multipotent mesenchymal stromal cells (hAMMSCs) in a standard nutrient medium without osteogenic supplements. CaChA significantly stimulated the growth of cell mass and differentiation of hAMMSCs into osteoblasts with subsequent mineralization of the culture and it may be a promising substance for accelerating bone tissue regeneration and engineering.
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Affiliation(s)
- Elena Avdeeva
- Department of Pharmaceutical Analysis, Siberian State Medical University, Tomsk 634050, Russia.
| | - Elvira Shults
- Laboratory of Medicinal Chemistry, Novosibirsk Institute of Organic Chemistry, Siberian Branch, Novosibirsk 630090, Russia.
- Novosibirsk State University, 2 Pirogova St., Novosibirsk 630090, Russia.
| | - Tatyana Rybalova
- Novosibirsk State University, 2 Pirogova St., Novosibirsk 630090, Russia.
- Center of Spectral Investigations, Novosibirsk Institute of Organic Chemistry, Siberian Branch, Novosibirsk 630090, Russia.
| | - Yaroslav Reshetov
- Department of Pharmaceutical Analysis, Siberian State Medical University, Tomsk 634050, Russia.
| | - Ekaterina Porokhova
- Department of Morphology and General Pathology, Siberian State Medical University, Tomsk 634050, Russia.
| | - Irina Sukhodolo
- Department of Morphology and General Pathology, Siberian State Medical University, Tomsk 634050, Russia.
| | - Larisa Litvinova
- Basic Laboratory of Immunology and Cell Biotechnology, Immanuel Kant Baltic Federal University, Kaliningrad 236041, Russia.
| | - Valeria Shupletsova
- Basic Laboratory of Immunology and Cell Biotechnology, Immanuel Kant Baltic Federal University, Kaliningrad 236041, Russia.
| | - Olga Khaziakhmatova
- Basic Laboratory of Immunology and Cell Biotechnology, Immanuel Kant Baltic Federal University, Kaliningrad 236041, Russia.
| | - Igor Khlusov
- Department of Morphology and General Pathology, Siberian State Medical University, Tomsk 634050, Russia.
- Research School of Chemistry & Applied Biomedical Sciences, Tomsk Polytechnic University, Tomsk 634050, Russia.
| | - Artem Guryev
- Department of Pharmaceutical Analysis, Siberian State Medical University, Tomsk 634050, Russia.
| | - Mikhail Belousov
- Department of Pharmaceutical Analysis, Siberian State Medical University, Tomsk 634050, Russia.
- Research School of Chemistry & Applied Biomedical Sciences, Tomsk Polytechnic University, Tomsk 634050, Russia.
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38
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Baird A, Dominguez Falcon N, Saeed A, Guest DJ. Biocompatible Three-Dimensional Printed Thermoplastic Scaffold for Osteoblast Differentiation of Equine Induced Pluripotent Stem Cells. Tissue Eng Part C Methods 2019; 25:253-261. [DOI: 10.1089/ten.tec.2018.0343] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Affiliation(s)
- Arabella Baird
- Centre for Preventive Medicine, Animal Health Trust, Newmarket, United Kingdom
| | | | - Aram Saeed
- School of Pharmacy, University of East Anglia, Norwich, United Kingdom
| | - Deborah Jane Guest
- Centre for Preventive Medicine, Animal Health Trust, Newmarket, United Kingdom
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39
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Jin S, Sun F, Zou Q, Huang J, Zuo Y, Li Y, Wang S, Cheng L, Man Y, Yang F, Li J. Fish Collagen and Hydroxyapatite Reinforced Poly(lactide-co-glycolide) Fibrous Membrane for Guided Bone Regeneration. Biomacromolecules 2019; 20:2058-2067. [PMID: 31009574 DOI: 10.1021/acs.biomac.9b00267] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Shue Jin
- Research Center for Nano-Biomaterials, Analytical and Testing Center, Sichuan University, Chengdu 610064, China
| | - Fuhua Sun
- Research Center for Nano-Biomaterials, Analytical and Testing Center, Sichuan University, Chengdu 610064, China
| | - Qin Zou
- Research Center for Nano-Biomaterials, Analytical and Testing Center, Sichuan University, Chengdu 610064, China
| | - Jinhui Huang
- Research Center for Nano-Biomaterials, Analytical and Testing Center, Sichuan University, Chengdu 610064, China
| | - Yi Zuo
- Research Center for Nano-Biomaterials, Analytical and Testing Center, Sichuan University, Chengdu 610064, China
| | - Yubao Li
- Research Center for Nano-Biomaterials, Analytical and Testing Center, Sichuan University, Chengdu 610064, China
| | - Suping Wang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610065, China
| | - Lei Cheng
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610065, China
| | - Yi Man
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610065, China
| | - Fang Yang
- Department of Biomaterials, Radboud University Medical Center, P.O. Box 9101, 6500 HB, Nijmegen, The Netherlands
| | - Jidong Li
- Research Center for Nano-Biomaterials, Analytical and Testing Center, Sichuan University, Chengdu 610064, China
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40
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Shih YV, Varghese S. Tissue engineered bone mimetics to study bone disorders ex vivo: Role of bioinspired materials. Biomaterials 2019; 198:107-121. [PMID: 29903640 PMCID: PMC6281816 DOI: 10.1016/j.biomaterials.2018.06.005] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 05/25/2018] [Accepted: 06/05/2018] [Indexed: 12/15/2022]
Abstract
Recent advances in materials development and tissue engineering has resulted in a substantial number of bioinspired materials that recapitulate cardinal features of bone extracellular matrix (ECM) such as dynamic inorganic and organic environment(s), hierarchical organization, and topographical features. Bone mimicking materials, as defined by its self-explanatory term, are developed based on the current understandings of the natural bone ECM during development, remodeling, and fracture repair. Compared to conventional plastic cultures, biomaterials that resemble some aspects of the native environment could elicit a more natural molecular and cellular response relevant to the bone tissue. Although current bioinspired materials are mainly developed to assist tissue repair or engineer bone tissues, such materials could nevertheless be applied to model various skeletal diseases in vitro. This review summarizes the use of bioinspired materials for bone tissue engineering, and their potential to model diseases of bone development and remodeling ex vivo. We largely focus on biomaterials, designed to re-create different aspects of the chemical and physical cues of native bone ECM. Employing these bone-inspired materials and tissue engineered bone surrogates to study bone diseases has tremendous potential and will provide a closer portrayal of disease progression and maintenance, both at the cellular and tissue level. We also briefly touch upon the application of patient-derived stem cells and introduce emerging technologies such as organ-on-chip in disease modeling. Faithful recapitulation of disease pathologies will not only offer novel insights into diseases, but also lead to enabling technologies for drug discovery and new approaches for cell-based therapies.
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Affiliation(s)
- Yuru Vernon Shih
- Department of Orthopaedic Surgery, Duke University, Durham, NC 27710, USA.
| | - Shyni Varghese
- Department of Orthopaedic Surgery, Duke University, Durham, NC 27710, USA; Department of Biomedical Engineering, Duke University, Durham, NC 27710, USA; Department of Materials Science and Engineering, Duke University, Durham, NC 27710, USA.
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41
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Han Y, Zhang F, Zhang J, Shao D, Wang Y, Li S, Lv S, Chi G, Zhang M, Chen L, Liu J. Bioactive carbon dots direct the osteogenic differentiation of human bone marrow mesenchymal stem cells. Colloids Surf B Biointerfaces 2019; 179:1-8. [PMID: 30927585 DOI: 10.1016/j.colsurfb.2019.03.035] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 03/14/2019] [Accepted: 03/15/2019] [Indexed: 12/30/2022]
Abstract
Bone marrow mesenchymal stem cells (BMSCs) have been the focus of bone regeneration due to their excellent osteogenic potential and abundant source. However, the high-cost and low-efficiency differentiation of BMSCs into functional osteoblasts limits their clinical application. It is desirable to develop bioactive materials to integrate efficient differentiation and traceable properties in a biocompatible manner for MSC-based therapy. In this study, a new kind of bioactive carbon dot (CD) was facilely fabricated through a one-step hydrothermal method from adenosine and aspirin. These bioactive CDs were cytocompatible and biosafe with the capability of long-term fluorescent tracking of human bone marrow mesenchymal stem cells (hBMSCs). Notably, the presence of bioactive CDs triggered and directed a series of events that followed the temporal pattern of osteogenic differentiation through the promotion of osteogenic transcription and enhancement of matrix mineralization. Moreover, cells with bioactive CDs exhibited more effective osteogenic differentiation behavior than cells treated with either adenosine or aspirin alone. Overall, these findings clearly showed that adenosine and aspirin-based CDs can direct osteogenic differentiation of hBMSCs in the absence of any external osteoinductive factors. The unique properties of bioactive CDs could provide insight into their potential for achieving efficient and safe MSC-based therapy.
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Affiliation(s)
- Yu Han
- Joint Surgery Department, No. 1 Hospital of Jilin University, No. 71, Xinmin Street, Chaoyang District, Changchun, 130021, China
| | - Fan Zhang
- College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Jing Zhang
- College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Dan Shao
- College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Yanan Wang
- Department of Magnetic Resonance Imaging, Yinghe Medical Imaging And Diagnosis Center of Changchun Chinese Medicine University, Changchun, 130021, China
| | - Shuang Li
- College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Shuang Lv
- College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Guangfan Chi
- College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Ming Zhang
- College of Basic Medical Sciences, Jilin University, Changchun, 130021, China.
| | - Li Chen
- College of Basic Medical Sciences, Jilin University, Changchun, 130021, China; School of Nursing, Jilin University, Changchun, 130021, China.
| | - Jianguo Liu
- Joint Surgery Department, No. 1 Hospital of Jilin University, No. 71, Xinmin Street, Chaoyang District, Changchun, 130021, China.
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42
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Ariyanti AD, Zhang J, Marcelina O, Nugrahaningrum DA, Wang G, Kasim V, Wu S. Salidroside-Pretreated Mesenchymal Stem Cells Enhance Diabetic Wound Healing by Promoting Paracrine Function and Survival of Mesenchymal Stem Cells Under Hyperglycemia. Stem Cells Transl Med 2019; 8:404-414. [PMID: 30624028 PMCID: PMC6431607 DOI: 10.1002/sctm.18-0143] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 12/03/2018] [Indexed: 12/12/2022] Open
Abstract
Systemic abnormalities cause several complications in diabetes patients. Impaired wound healing is a serious complication that leads to severe foot ulcer and amputation. Mesenchymal stem cells (MSCs) have been considered a promising strategy for promoting wound healing due to their paracrine function. However, their poor survival after transplantation limits their therapeutic effect and applications. Salidroside, a glucopyranoside, has been reported to exert cytoprotective effects. Our previous study revealed that salidroside could promote the paracrine function of skeletal muscle cells. However, whether salidroside could improve MSCs survival under hyperglycemic condition and, subsequently, promote wound healing in diabetic model mice remains unknown. Here, we found that salidroside pretreatment effectively reversed the hyperglycemia-induced suppression of the expression of crucial wound healing factors in MSCs, such as heme oxygenase-1 (HO-1), fibroblast growth factor 2 (FGF2), and hepatocyte growth factor (HGF). Salidroside pretreatment also suppressed the hyperglycemia-induced intracellular reactive oxygen species (ROS) levels in MSCs, thereby lowering the apoptosis rate and enhancing MSCs survival rate. Furthermore, salidroside improved the MSCs migration potential that was impaired under hyperglycemia. in vivo experiments revealed that salidroside pretreatment prior to transplantation significantly enhanced the effect of MSCs in promoting wound closure in diabetic mice. Collectively, our results suggest that pretreatment with salidroside could be an effective strategy to enhance the survival rate and the therapeutic effect of MSCs. Thus, our article suggested a novel, potential MSC-based strategy for diabetic wound healing. Stem Cells Translational Medicine 2019;8:404-414.
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Affiliation(s)
- Agnes Dwi Ariyanti
- The Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, People's Republic of China.,State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing, People's Republic of China
| | - Jianqi Zhang
- The Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, People's Republic of China.,State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing, People's Republic of China
| | - Olivia Marcelina
- The Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, People's Republic of China.,State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing, People's Republic of China
| | - Dyah Ari Nugrahaningrum
- The Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, People's Republic of China.,State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing, People's Republic of China
| | - Guixue Wang
- The Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, People's Republic of China.,State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing, People's Republic of China
| | - Vivi Kasim
- The Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, People's Republic of China.,State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing, People's Republic of China.,The 111 Project Laboratory of Biomechanics and Tissue Repair, College of Bioengineering, Chongqing University, Chongqing, People's Republic of China
| | - Shourong Wu
- The Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, People's Republic of China.,State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing, People's Republic of China.,The 111 Project Laboratory of Biomechanics and Tissue Repair, College of Bioengineering, Chongqing University, Chongqing, People's Republic of China
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43
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Lopes D, Martins-Cruz C, Oliveira MB, Mano JF. Bone physiology as inspiration for tissue regenerative therapies. Biomaterials 2018; 185:240-275. [PMID: 30261426 PMCID: PMC6445367 DOI: 10.1016/j.biomaterials.2018.09.028] [Citation(s) in RCA: 200] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 09/15/2018] [Accepted: 09/17/2018] [Indexed: 12/14/2022]
Abstract
The development, maintenance of healthy bone and regeneration of injured tissue in the human body comprise a set of intricate and finely coordinated processes. However, an analysis of current bone regeneration strategies shows that only a small fraction of well-reported bone biology aspects has been used as inspiration and transposed into the development of therapeutic products. Specific topics that include inter-scale bone structural organization, developmental aspects of bone morphogenesis, bone repair mechanisms, role of specific cells and heterotypic cell contact in the bone niche (including vascularization networks and immune system cells), cell-cell direct and soluble-mediated contact, extracellular matrix composition (with particular focus on the non-soluble fraction of proteins), as well as mechanical aspects of native bone will be the main reviewed topics. In this Review we suggest a systematic parallelization of (i) fundamental well-established biology of bone, (ii) updated and recent advances on the understanding of biological phenomena occurring in native and injured tissue, and (iii) critical discussion of how those individual aspects have been translated into tissue regeneration strategies using biomaterials and other tissue engineering approaches. We aim at presenting a perspective on unexplored aspects of bone physiology and how they could be translated into innovative regeneration-driven concepts.
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Affiliation(s)
- Diana Lopes
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago,, 3810 193 Aveiro, Portugal
| | - Cláudia Martins-Cruz
- 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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44
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Kang H, Zhang K, Jung HJ, Yang B, Chen X, Pan Q, Li R, Xu X, Li G, Dravid VP, Bian L. An In Situ Reversible Heterodimeric Nanoswitch Controlled by Metal-Ion-Ligand Coordination Regulates the Mechanosensing and Differentiation of Stem Cells. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1803591. [PMID: 30277606 DOI: 10.1002/adma.201803591] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 07/30/2018] [Indexed: 06/08/2023]
Abstract
In situ and cytocompatible nanoswitching by external stimuli is highly appealing for reversibly regulating cellular adhesion and functions in vivo. Here, a heterodimeric nanoswitch is designed to facilitate in situ switchable and combinatorial presentation of integrin-binding cell-adhesive moieties, such as Mg2+ and Arg-Gly-Asp (RGD) ligand in nanostructures. In situ reversible nanoswitching is controlled by convertible coordination between bioactive Mg2+ and bisphosphonate (BP) ligand. A BP-coated gold-nanoparticle monomer (BP-AuNP) on a substrate is prepared to allow in situ assembly of cell-adhesive Mg2+ -active Mg-BP nanoparticles (NPs) on a BP-AuNP surface via Mg2+ -BP coordination, yielding heterodimeric nanostructures (switching "ON"). Ethylenediaminetetraacetic acid (EDTA)-based Mg2+ chelation allows in situ disassembly of Mg2+ -BP NP, reverting to Mg2+ -free monomer (switching "OFF"). This in situ reversible nanoswitching on and off of cell-adhesive Mg2+ presentation allows reversible cell adhesion and release in vivo, respectively, and spatiotemporally controls cyclic cell adhesion. In situ heterodimeric assembly of dual RGD ligand- and Mg2+ -active RGD-BP-Mg2+ NP (switching "Dual ON") further tunes and promotes focal adhesion, spreading, and differentiation of stem cells. The modular nature of this in situ nanoswitch can accommodate various bioactive nanostructures via metal-ion-ligand coordination to regulate diverse cellular functions in vivo in reversible and compatible manner.
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Affiliation(s)
- Heemin Kang
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Kunyu Zhang
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Hee Joon Jung
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA
- International Institute for Nanotechnology, Evanston, IL, 60208, USA
- NUANCE Center, Northwestern University, Evanston, IL, 60208, USA
| | - Boguang Yang
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Xiaoyu Chen
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Qi Pan
- Department of Orthopaedics & Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, 999077, China
| | - Rui Li
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Xiayi Xu
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Gang Li
- Department of Orthopaedics & Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, 999077, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, 518172, China
| | - Vinayak P Dravid
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA
- International Institute for Nanotechnology, Evanston, IL, 60208, USA
- NUANCE Center, Northwestern University, Evanston, IL, 60208, USA
| | - Liming Bian
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, 518172, China
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Liu M, Nakasaki M, Shih YRV, Varghese S. Effect of age on biomaterial-mediated in situ bone tissue regeneration. Acta Biomater 2018; 78:329-340. [PMID: 29966759 PMCID: PMC6286153 DOI: 10.1016/j.actbio.2018.06.035] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 05/28/2018] [Accepted: 06/28/2018] [Indexed: 12/15/2022]
Abstract
Emerging studies show the potential application of synthetic biomaterials that are intrinsically osteoconductive and osteoinductive as bone grafts to treat critical bone defects. Here, the biomaterial not only assists recruitment of endogenous cells, but also supports cellular activities relevant to bone tissue formation and function. While such biomaterial-mediated in situ tissue engineering is highly attractive, success of such an approach relies largely on the regenerative potential of the recruited cells, which is anticipated to vary with age. In this study, we investigated the effect of the age of the host on mineralized biomaterial-mediated bone tissue repair using critical-sized cranial defects as a model system. Mice of varying ages, 1-month-old (juvenile), 2-month-old (young-adult), 6-month-old (middle-aged), and 14-month-old (elderly), were used as recipients. Our results show that the bio-mineralized scaffolds support bone tissue formation by recruiting endogenous cells for all groups albeit with differences in an age-related manner. Analyses of bone tissue formation after 2 and 8 weeks post-treatment show low mineral deposition and reduced number of osteocalcin and tartrate-resistant acid phosphatase (TRAP)-expressing cells in elderly mice. STATEMENT OF SIGNIFICANCE Tissue engineering strategies that promote tissue repair through recruitment of endogenous cells will have a significant impact in regenerative medicine. Previous studies from our group have shown that biomineralized materials containing calcium phosphate minerals can contribute to neo-bone tissue through recruitment and activation of endogenous cells. In this study, we investigated the effect of age of the recipient on biomaterial-mediated bone tissue repair. Our results show that the age of the recipient mouse had a significant impact on the quality and quantity of the engineered neo-bone tissues, in which delayed/compromised bone tissue formation was observed in older mice. These findings are in agreement with the clinical observations that age of patients is a key factor in bone repair.
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Affiliation(s)
- Mengqian Liu
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC 27710, United States
| | - Manando Nakasaki
- Department of Bioengineering, University of California, San Diego, La Jolla, CA 92093, United States
| | - Yu-Ru Vernon Shih
- Department of Orthopaedic Surgery, Duke University, Durham, NC 27710, United States
| | - Shyni Varghese
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC 27710, United States; Department of Orthopaedic Surgery, Duke University, Durham, NC 27710, United States; Department of Biomedical Engineering, Duke University, Durham, NC 27710, United States.
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Perez JR, Kouroupis D, Li DJ, Best TM, Kaplan L, Correa D. Tissue Engineering and Cell-Based Therapies for Fractures and Bone Defects. Front Bioeng Biotechnol 2018; 6:105. [PMID: 30109228 PMCID: PMC6079270 DOI: 10.3389/fbioe.2018.00105] [Citation(s) in RCA: 201] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 07/09/2018] [Indexed: 12/25/2022] Open
Abstract
Bone fractures and segmental bone defects are a significant source of patient morbidity and place a staggering economic burden on the healthcare system. The annual cost of treating bone defects in the US has been estimated to be $5 billion, while enormous costs are spent on bone grafts for bone injuries, tumors, and other pathologies associated with defective fracture healing. Autologous bone grafts represent the gold standard for the treatment of bone defects. However, they are associated with variable clinical outcomes, postsurgical morbidity, especially at the donor site, and increased surgical costs. In an effort to circumvent these limitations, tissue engineering and cell-based therapies have been proposed as alternatives to induce and promote bone repair. This review focuses on the recent advances in bone tissue engineering (BTE), specifically looking at its role in treating delayed fracture healing (non-unions) and the resulting segmental bone defects. Herein we discuss: (1) the processes of endochondral and intramembranous bone formation; (2) the role of stem cells, looking specifically at mesenchymal (MSC), embryonic (ESC), and induced pluripotent (iPSC) stem cells as viable building blocks to engineer bone implants; (3) the biomaterials used to direct tissue growth, with a focus on ceramic, biodegradable polymers, and composite materials; (4) the growth factors and molecular signals used to induce differentiation of stem cells into the osteoblastic lineage, which ultimately leads to active bone formation; and (5) the mechanical stimulation protocols used to maintain the integrity of the bone repair and their role in successful cell engraftment. Finally, a couple clinical scenarios are presented (non-unions and avascular necrosis—AVN), to illustrate how novel cell-based therapy approaches can be used. A thorough understanding of tissue engineering and cell-based therapies may allow for better incorporation of these potential therapeutic approaches in bone defects allowing for proper bone repair and regeneration.
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Affiliation(s)
- Jose R Perez
- Department of Orthopedics, UHealth Sports Medicine Institute, Miller School of Medicine, University of Miami, Miami, FL, United States
| | - Dimitrios Kouroupis
- Department of Orthopedics, UHealth Sports Medicine Institute, Miller School of Medicine, University of Miami, Miami, FL, United States.,Diabetes Research Institute & Cell Transplant Center, Miller School of Medicine, University of Miami, Miami, FL, United States
| | - Deborah J Li
- Department of Orthopedics, UHealth Sports Medicine Institute, Miller School of Medicine, University of Miami, Miami, FL, United States
| | - Thomas M Best
- Department of Orthopedics, UHealth Sports Medicine Institute, Miller School of Medicine, University of Miami, Miami, FL, United States
| | - Lee Kaplan
- Department of Orthopedics, UHealth Sports Medicine Institute, Miller School of Medicine, University of Miami, Miami, FL, United States
| | - Diego Correa
- Department of Orthopedics, UHealth Sports Medicine Institute, Miller School of Medicine, University of Miami, Miami, FL, United States.,Diabetes Research Institute & Cell Transplant Center, Miller School of Medicine, University of Miami, Miami, FL, United States
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Ahmad T, Shin HJ, Lee J, Shin YM, Perikamana SKM, Park SY, Jung HS, Shin H. Fabrication of in vitro 3D mineralized tissue by fusion of composite spheroids incorporating biomineral-coated nanofibers and human adipose-derived stem cells. Acta Biomater 2018; 74:464-477. [PMID: 29803004 DOI: 10.1016/j.actbio.2018.05.035] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 05/18/2018] [Accepted: 05/22/2018] [Indexed: 12/24/2022]
Abstract
Development of a bone-like 3D microenvironment with stem cells has always been intriguing in bone tissue engineering. In this study, we fabricated composite spheroids by combining functionalized fibers and human adipose-derived stem cells (hADSCs), which were fused to form a 3D mineralized tissue construct. We prepared fragmented poly (ι-lactic acid) (PLLA) fibers approximately 100 μm long by partial aminolysis of electrospun fibrous mesh. PLLA fibers were then biomineralized with various concentrations of NaHCO3 (0.005, 0.01, and 0.04 M) to form mineralized fragmented fibers (mFF1, mFF2, and mFF3, respectively). SEM analysis showed that the minerals in mFF2 and mFF3 completely covered the fiber surface, and surface chemistry analysis confirmed the presence of hydroxyapatite peaks. Additionally, mFFs formed composite spheroids with hADSCs, demonstrating that the cells were strongly attached to mFFs and homogeneously distributed throughout the spheroid. In vitro culture of spheroids in the media without osteogenic supplements showed significantly enhanced expression of osteogenic genes including Runx2 (20.83 ± 2.83 and 22.36 ± 2.18 fold increase), OPN (14.24 ± 1.71 and 15.076 ± 1.38 fold increase), and OCN (4.36 ± 0.41 and 5.63 ± 0.51 fold increase) in mFF2 and mFF3, respectively, compared to the no mineral fiber group. In addition, mineral contents were significantly increased at day 7. Blocking the biomineral-mediated signaling by PSB 603 significantly down regulated the expression of these genes in mFF3 at day 7. Finally, we fused composite spheroids to form a mineralized 3D tissue construct, which maintained the viability of cells and showed pervasively distributed minerals within the structure. Our composite spheroids could be used as an alternative platform for the development of in vitro bone models, in vivo cell carriers, and as building blocks for bioprinting 3D bone tissue. STATEMENT OF SIGNIFICANCE This manuscript described our recent work for the preparation of biomimeral-coated fibers that can be assembled with mesenchymal stem cells and provide bone-like environment for directed control over osteogenic differentiation. Biomineral coating onto synthetic, biodegradable single fibers was successfully carried out using multiple steps, combination of template protein coating inspired from mussel adhesion and charge-charge interactions between template proteins and mineral ions. The biomineral-coated single micro-scale fibers (1-2.5 μm in diameter) were then assembled with human adipose tissue derived stem cells (hADSCs). The assembled structure exhibited spheroidal architecture with few hundred micrometers. hADSCs within the spheroids were differentiated into osteogenic lineage in vitro and mineralized in the growth media. These spheroids were fused to form in vitro 3D mineralized tissue with larger size.
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Affiliation(s)
- Taufiq Ahmad
- Department of Bioengineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Hyeok Jun Shin
- Department of Bioengineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Jinkyu Lee
- Department of Bioengineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Young Min Shin
- Department of Bioengineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Sajeesh Kumar Madhurakat Perikamana
- Department of Bioengineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - So Yeon Park
- School of Advanced Materials Science & Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Hyun Suk Jung
- School of Advanced Materials Science & Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Heungsoo Shin
- Department of Bioengineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea; BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea.
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Jung E, Seong Y, Jeon B, Kwon YS, Song H. MicroRNAs of miR-17-92 cluster increase gene expression by targeting mRNA-destabilization pathways. BIOCHIMICA ET BIOPHYSICA ACTA. GENE REGULATORY MECHANISMS 2018; 1861:603-612. [PMID: 29935344 DOI: 10.1016/j.bbagrm.2018.06.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 05/27/2018] [Accepted: 06/15/2018] [Indexed: 01/07/2023]
Abstract
MicroRNAs (miRNAs) of the miR-17-92 cluster are overexpressed in human cancers, and their enforced expression is tumorigenic in mouse models. A number of genes are reported to be targets of these miRNAs and are implicated in their tumorigenic potential. However, the mode of action by miRNAs suggests that global analysis of their targets is required to understand their cellular roles. In this study, we globally analyzed AGO2-bound mRNAs and found that the miR-17-92 miRNAs coherently repress multiple targets involved in the destabilization of mRNA. While the miRNAs repress the expression of their targets, they increase stability and lengthen the poly-A tails of non-target mRNAs. Furthermore, the expression of BTG3, TOB1, CSNK1A1 and ANKRD52 is negatively correlated with the expression of the miR-17-92 cluster in cancer cell lines. Our results suggest that the miR-17-92 miRNAs promote tumorigenesis not only by repression of key regulators, but also by posttranscriptional increases of global gene expression.
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Affiliation(s)
- Eunsun Jung
- Department of Biomedical Sciences, College of Medicine, Korea University, Seoul 02841, Republic of Korea
| | - Youngmo Seong
- Department of Bioscience & Biotechnology, Sejong University, Seoul 05006, Republic of Korea
| | - Bohyun Jeon
- Department of Biomedical Sciences, College of Medicine, Korea University, Seoul 02841, Republic of Korea
| | - Young-Soo Kwon
- Department of Bioscience & Biotechnology, Sejong University, Seoul 05006, Republic of Korea.
| | - Hoseok Song
- Department of Biomedical Sciences, College of Medicine, Korea University, Seoul 02841, Republic of Korea.
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[A novel calcium phosphate cement pre-loaded with chitosan and small molecule adenosine for repairing large cranial defects in rats]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2018. [PMID: 29997095 PMCID: PMC6765708 DOI: 10.3969/j.issn.1673-4254.2018.06.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
OBJECTIVE To evaluate the effect of a novel biomaterial in repairing large cranial defects in rats. METHODS Eighteen SD rats were used to establish rat modes of large cranial defect (8 mm in diameter). The rat models were randomized into 3 groups and the cranial defects were repaired using different scaffold materials, namely CPC paste prepared with distilled water (CPC control group), CPC paste mixed with 10% chitosan (CPC/CN group), or CPC paste with 10% chitosan and 300 mg adenosine (CPC/CN/AD group). The defects were examined 12 weeks after the surgery with X-ray, CT, HE staining and quantitative assessments. RESULTS X-ray showed that the defect was repaired in all the groups. The fracture line became obscure and the defects were almost fully repaired by regenerated bone tissues in CPC/CN/AD group, which was consistent with CT findings. In all the 3 groups, HE staining revealed the presence of new bones in the defects and new vessels in and around the new bones without inflammatory cells. The new bone area was significantly greater in CPC/CN/AD group than in CPC/CN group and CPC control group (P<0.05). The new vessel density was the highest in CPC/CN/AD group (P>0.05) but similar between CPC/CN group and CPC control group (P>0.05). CONCLUSION This novel calcium phosphate cement pre-loaded with chitosan and small molecule adenosine can better promote bone regeneration than calcium phosphate cement for repairing large bone defects to serve as a good replacement material for bone regeneration.
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Fliefel R, Ehrenfeld M, Otto S. Induced pluripotent stem cells (iPSCs) as a new source of bone in reconstructive surgery: A systematic review and meta-analysis of preclinical studies. J Tissue Eng Regen Med 2018; 12:1780-1797. [DOI: 10.1002/term.2697] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Revised: 04/16/2018] [Accepted: 05/03/2018] [Indexed: 12/18/2022]
Affiliation(s)
- Riham Fliefel
- Experimental Surgery and Regenerative Medicine (ExperiMed), Faculty of Medicine; Ludwig Maximilian University of Munich; Munich Germany
- Department of Oral and Maxillofacial Surgery, Faculty of Medicine; Ludwig Maximilian University of Munich; Munich Germany
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry; Alexandria University; Alexandria Egypt
| | - Michael Ehrenfeld
- Department of Oral and Maxillofacial Surgery, Faculty of Medicine; Ludwig Maximilian University of Munich; Munich Germany
| | - Sven Otto
- Department of Oral and Maxillofacial Surgery, Faculty of Medicine; Ludwig Maximilian University of Munich; Munich Germany
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