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Trivedi AH, Wang VZ, McClain EJ, Vyas PS, Swink IR, Snell ED, Cheng BC, DeMeo PJ. The Categorization of Perinatal Derivatives for Orthopedic Applications. Biomedicines 2024; 12:1544. [PMID: 39062117 PMCID: PMC11274709 DOI: 10.3390/biomedicines12071544] [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: 05/01/2024] [Revised: 07/01/2024] [Accepted: 07/09/2024] [Indexed: 07/28/2024] Open
Abstract
Musculoskeletal (MSK) pathology encompasses an array of conditions that can cause anything from mild discomfort to permanent injury. Their prevalence and impact on disability have sparked interest in more effective treatments, particularly within orthopedics. As a result, the human placenta has come into focus within regenerative medicine as a perinatal derivative (PnD). These biologics are sourced from components of the placenta, each possessing a unique composition of collagens, proteins, and factors believed to aid in healing and regeneration. This review aims to explore the current literature on PnD biologics and their potential benefits for treating various MSK pathologies. We delve into different types of PnDs and their healing effects on muscles, tendons, bones, cartilage, ligaments, and nerves. Our discussions highlight the crucial role of immune modulation in the healing process for each condition. PnDs have been observed to influence the balance between anti- and pro-inflammatory factors and, in some cases, act as biologic scaffolds for tissue growth. Additionally, we assess the range of PnDs available, while also addressing gaps in our understanding, particularly regarding biologic processing methods. Although certain PnD biologics have varying levels of support in orthopedic literature, further clinical investigations are necessary to fully evaluate their impact on human patients.
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Affiliation(s)
- Amol H. Trivedi
- Orthopaedic Institute, Allegheny General Hospital, Allegheny Health Network, Pittsburgh, PA 15212, USA; (A.H.T.); (V.Z.W.); (E.J.M.IV); (P.S.V.); (I.R.S.); (E.D.S.); (P.J.D.)
- Drexel University College of Medicine, Drexel University, University City Campus, Philadelphia, PA 19104, USA
| | - Vicki Z. Wang
- Orthopaedic Institute, Allegheny General Hospital, Allegheny Health Network, Pittsburgh, PA 15212, USA; (A.H.T.); (V.Z.W.); (E.J.M.IV); (P.S.V.); (I.R.S.); (E.D.S.); (P.J.D.)
| | - Edward J. McClain
- Orthopaedic Institute, Allegheny General Hospital, Allegheny Health Network, Pittsburgh, PA 15212, USA; (A.H.T.); (V.Z.W.); (E.J.M.IV); (P.S.V.); (I.R.S.); (E.D.S.); (P.J.D.)
| | - Praveer S. Vyas
- Orthopaedic Institute, Allegheny General Hospital, Allegheny Health Network, Pittsburgh, PA 15212, USA; (A.H.T.); (V.Z.W.); (E.J.M.IV); (P.S.V.); (I.R.S.); (E.D.S.); (P.J.D.)
| | - Isaac R. Swink
- Orthopaedic Institute, Allegheny General Hospital, Allegheny Health Network, Pittsburgh, PA 15212, USA; (A.H.T.); (V.Z.W.); (E.J.M.IV); (P.S.V.); (I.R.S.); (E.D.S.); (P.J.D.)
| | - Edward D. Snell
- Orthopaedic Institute, Allegheny General Hospital, Allegheny Health Network, Pittsburgh, PA 15212, USA; (A.H.T.); (V.Z.W.); (E.J.M.IV); (P.S.V.); (I.R.S.); (E.D.S.); (P.J.D.)
| | - Boyle C. Cheng
- Orthopaedic Institute, Allegheny General Hospital, Allegheny Health Network, Pittsburgh, PA 15212, USA; (A.H.T.); (V.Z.W.); (E.J.M.IV); (P.S.V.); (I.R.S.); (E.D.S.); (P.J.D.)
| | - Patrick J. DeMeo
- Orthopaedic Institute, Allegheny General Hospital, Allegheny Health Network, Pittsburgh, PA 15212, USA; (A.H.T.); (V.Z.W.); (E.J.M.IV); (P.S.V.); (I.R.S.); (E.D.S.); (P.J.D.)
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Zhou L, Wang J, Mu W. BMP-2 promotes fracture healing by facilitating osteoblast differentiation and bone defect osteogenesis. Am J Transl Res 2023; 15:6751-6759. [PMID: 38187002 PMCID: PMC10767540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 11/28/2023] [Indexed: 01/09/2024]
Abstract
OBJECTIVE To investigate the role of bone morphogenetic protein-2 (BMP-2) in promoting fracture healing in animal models. METHODS Mouse models with muscle bag heterotopic osteogenesis (HO) were divided into a HO control group (not implanted with 250 μg rhBMP-2 bone repairing material), and a HO observation group (implanted with 250 μg rhBMP-2 bone repairing material); while rat models with bone defect (BD) were divided into a BD control group (not implanted with 250 μg rhBMP-2 bone repairing material) and a BD observation group (implanted with 250 μg rhBMP-2 bone repairing material). At 4 weeks after HO establishment, the new bone formation at the operation site was observed through visual inspections and X-ray scanning. The content of serum alkaline phosphatase (ALP) was detected by automatic biochemical analyzer. The formation of new bone at the operative sites was observed by Hematoxylin and eosin staining and Masson staining. At 0, 2, 4 and 8 weeks after operation, the growth of the defect area and its surrounding callus were observed by X-ray scanning. At 4 and 8 weeks after bone defect establishment in the mouse models, the histological changes and osteogenesis of the bone defect site were observed. RESULTS The heterotopic osteogenesis experiment showed that at 4 weeks after operation, the mass at the muscle bag in the HO observation group became larger in contrast to the HO control group. X-ray scanning showed that there was obvious irregular bone shadow at the back muscle bag of mice from the HO observation group. The content of serum ALP in the HO observation group was significantly higher than that in the HO control group (all P<0.05). The muscle pocket in the HO observation group showed higher ectopic osteogenic activity comparing with the HO control group. Histological staining showed that bone tissue structure was visible in the newly regenerated bone, forming bone trabeculae and bone marrow tissue. Under the microscope, a large number of osteoblasts arranged neatly in a cubic shape presented at the edge of the new bone, and there were bone lacunae formed, and the bone tissue was in a relatively mature stage. In the rat bone defect models, X-ray scanning showed that the high-density development area was further increased. There was a large amount of callus formation in the bone defect area of the BD observation group, while the BD control group still had no high-density development. At 8 weeks after operation, the high-density development area decreased, indicating that there was partial absorption of callus, while there was still no high-density development in the BD control group. The callus of the bone defect area in the BD observation group was reduced and the defect area was gradually repaired, while the bone defect in the BD control group was still obvious and the bone repair was not completed. CONCLUSIONS BMP-2 could promote osteoblast differentiation and bone defect osteogenesis in vivo. Thus, it is worthy of clinical application.
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Affiliation(s)
- Lei Zhou
- Department of Orthopaedics, Shandong Provincial Hospital, Shandong UniversityJinan, Shandong, China
- Department of Orthopaedics, The Second Affiliated Hospital of Xuzhou Medical UniversityXuzhou, Jiangsu, China
| | - Jianqiang Wang
- Department of Orthopaedics, The Second Affiliated Hospital of Xuzhou Medical UniversityXuzhou, Jiangsu, China
| | - Weidong Mu
- Department of Orthopaedics, Shandong Provincial Hospital, Shandong UniversityJinan, Shandong, China
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Ma C, Park MS, Alves do Monte F, Gokani V, Aruwajoye OO, Ren Y, Liu X, Kim HKW. Local BMP2 hydrogel therapy for robust bone regeneration in a porcine model of Legg-Calvé-Perthes disease. NPJ Regen Med 2023; 8:50. [PMID: 37709818 PMCID: PMC10502123 DOI: 10.1038/s41536-023-00322-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 08/10/2023] [Indexed: 09/16/2023] Open
Abstract
Legg-Calvé-Perthes disease is juvenile idiopathic osteonecrosis of the femoral head (ONFH) that has no effective clinical treatment. Previously, local injection of bone morphogenetic protein-2 (BMP2) for ONFH treatment showed a heterogeneous bone repair and a high incidence of heterotopic ossification (HO) due to the BMP2 leakage. Here, we developed a BMP2-hydrogel treatment via a transphyseal bone wash and subsequential injection of BMP2-loaded hydrogel. In vitro studies showed that a hydrogel of gelatin-heparin-tyramine retained the BMP2 for four weeks. The injection of the hydrogel can efficiently prevent leakage. With the bone wash, the injected hydrogel had a broad distribution in the head. In vivo studies on pigs revealed that the BMP2-hydrogel treatment produced a homogeneous bone regeneration without HO. It preserved the subchondral contour and restored the subchondral endochondral ossification, although it increased growth plate fusions. In summary, the study demonstrated a promising BMP2-hydrogel treatment for ONFH treatment, especially for teenagers.
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Affiliation(s)
- Chi Ma
- Center of Excellence in Hip, Scottish Rite for Children, Dallas, TX, 75219, USA
- Department of Orthopedic Surgery, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
- Department of Biomedical Sciences, Texas A&M College of Dentistry, Dallas, TX, 75246, USA
| | - Min Sung Park
- Center of Excellence in Hip, Scottish Rite for Children, Dallas, TX, 75219, USA
| | | | - Vishal Gokani
- Center of Excellence in Hip, Scottish Rite for Children, Dallas, TX, 75219, USA
| | - Olumide O Aruwajoye
- Center of Excellence in Hip, Scottish Rite for Children, Dallas, TX, 75219, USA
| | - Yinshi Ren
- Center of Excellence in Hip, Scottish Rite for Children, Dallas, TX, 75219, USA
- Department of Orthopedic Surgery, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Xiaohua Liu
- Department of Biomedical Sciences, Texas A&M College of Dentistry, Dallas, TX, 75246, USA
| | - Harry K W Kim
- Center of Excellence in Hip, Scottish Rite for Children, Dallas, TX, 75219, USA.
- Department of Orthopedic Surgery, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA.
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Awad K, Ahuja N, Yacoub AS, Brotto L, Young S, Mikos A, Aswath P, Varanasi V. Revolutionizing bone regeneration: advanced biomaterials for healing compromised bone defects. FRONTIERS IN AGING 2023; 4:1217054. [PMID: 37520216 PMCID: PMC10376722 DOI: 10.3389/fragi.2023.1217054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 07/06/2023] [Indexed: 08/01/2023]
Abstract
In this review, we explore the application of novel biomaterial-based therapies specifically targeted towards craniofacial bone defects. The repair and regeneration of critical sized bone defects in the craniofacial region requires the use of bioactive materials to stabilize and expedite the healing process. However, the existing clinical approaches face challenges in effectively treating complex craniofacial bone defects, including issues such as oxidative stress, inflammation, and soft tissue loss. Given that a significant portion of individuals affected by traumatic bone defects in the craniofacial area belong to the aging population, there is an urgent need for innovative biomaterials to address the declining rate of new bone formation associated with age-related changes in the skeletal system. This article emphasizes the importance of semiconductor industry-derived materials as a potential solution to combat oxidative stress and address the challenges associated with aging bone. Furthermore, we discuss various material and autologous treatment approaches, as well as in vitro and in vivo models used to investigate new therapeutic strategies in the context of craniofacial bone repair. By focusing on these aspects, we aim to shed light on the potential of advanced biomaterials to overcome the limitations of current treatments and pave the way for more effective and efficient therapeutic interventions for craniofacial bone defects.
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Affiliation(s)
- Kamal Awad
- Bone Muscle Research Center, College of Nursing and Health Innovations, University of Texas at Arlington, Arlington, TX, United States
- Department of Materials Science and Engineering, College of Engineering, The University of Texas at Arlington, Arlington, TX, United States
| | - Neelam Ahuja
- Bone Muscle Research Center, College of Nursing and Health Innovations, University of Texas at Arlington, Arlington, TX, United States
| | - Ahmed S. Yacoub
- Bone Muscle Research Center, College of Nursing and Health Innovations, University of Texas at Arlington, Arlington, TX, United States
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Future University in Egypt, Cairo, Egypt
| | - Leticia Brotto
- Bone Muscle Research Center, College of Nursing and Health Innovations, University of Texas at Arlington, Arlington, TX, United States
| | - Simon Young
- Katz Department of Oral and Maxillofacial Surgery, School of Dentistry, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Antonios Mikos
- Center for Engineering Complex Tissues, Center for Excellence in Tissue Engineering, J.W. Cox Laboratory for Biomedical Engineering, Rice University, Houston, TX, United States
| | - Pranesh Aswath
- Department of Materials Science and Engineering, College of Engineering, The University of Texas at Arlington, Arlington, TX, United States
| | - Venu Varanasi
- Bone Muscle Research Center, College of Nursing and Health Innovations, University of Texas at Arlington, Arlington, TX, United States
- Department of Materials Science and Engineering, College of Engineering, The University of Texas at Arlington, Arlington, TX, United States
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Bian Y, Hu T, Lv Z, Xu Y, Wang Y, Wang H, Zhu W, Feng B, Liang R, Tan C, Weng X. Bone tissue engineering for treating osteonecrosis of the femoral head. EXPLORATION (BEIJING, CHINA) 2023; 3:20210105. [PMID: 37324030 PMCID: PMC10190954 DOI: 10.1002/exp.20210105] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 05/12/2022] [Indexed: 06/16/2023]
Abstract
Osteonecrosis of the femoral head (ONFH) is a devastating and complicated disease with an unclear etiology. Femoral head-preserving surgeries have been devoted to delaying and hindering the collapse of the femoral head since their introduction in the last century. However, the isolated femoral head-preserving surgeries cannot prevent the natural progression of ONFH, and the combination of autogenous or allogeneic bone grafting often leads to many undesired complications. To tackle this dilemma, bone tissue engineering has been widely developed to compensate for the deficiencies of these surgeries. During the last decades, great progress has been made in ingenious bone tissue engineering for ONFH treatment. Herein, we comprehensively summarize the state-of-the-art progress made in bone tissue engineering for ONFH treatment. The definition, classification, etiology, diagnosis, and current treatments of ONFH are first described. Then, the recent progress in the development of various bone-repairing biomaterials, including bioceramics, natural polymers, synthetic polymers, and metals, for treating ONFH is presented. Thereafter, regenerative therapies for ONFH treatment are also discussed. Finally, we give some personal insights on the current challenges of these therapeutic strategies in the clinic and the future development of bone tissue engineering for ONFH treatment.
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Affiliation(s)
- Yixin Bian
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Tingting Hu
- State Key Laboratory of Chemical Resource EngineeringBeijing Advanced Innovation Center for Soft Matter Science and EngineeringBeijing University of Chemical TechnologyBeijingChina
| | - Zehui Lv
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Yiming Xu
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Yingjie Wang
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Han Wang
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Wei Zhu
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Bin Feng
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Ruizheng Liang
- State Key Laboratory of Chemical Resource EngineeringBeijing Advanced Innovation Center for Soft Matter Science and EngineeringBeijing University of Chemical TechnologyBeijingChina
| | - Chaoliang Tan
- Department of ChemistryCity University of Hong KongKowloonHong Kong SARChina
| | - Xisheng Weng
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
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Kim H, Ma C, Park M, Monte F, Gokani V, Aruwajoye O, Ren Y, Liu X. Local Administration of Bone Morphogenetic Protein-2 Using a Hydrogel Carrier for Robust Bone Regeneration in a Large Animal Model of Legg-Calvé-Perthes disease. RESEARCH SQUARE 2023:rs.3.rs-2465423. [PMID: 36711714 PMCID: PMC9882687 DOI: 10.21203/rs.3.rs-2465423/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Legg-Calvé-Perthes disease is juvenile idiopathic osteonecrosis of the femoral head (ONFH) that has no effective clinical resolutions. Previously, local injection of bone morphogenetic protein-2 (BMP2) for ONFH treatment showed a heterogeneous bone repair and a high incidence of heterotopic ossification (HO) due to the BMP2 leakage. Here, we developed a BMP2-hydrogel treatment via a transphyseal bone wash and subsequential injection of BMP2-loaded hydrogel. In vivo studies showed that a hydrogel of gelatin-heparin-tyramine retained the BMP2 for four weeks. The injection of the hydrogel can efficiently prevent leakage. With the bone wash, the injected hydrogel had a broad distribution in the head. In vivo studies on pigs revealed that the BMP2-hydrogel treatment produced a homogeneous bone regeneration without HO. It preserved the subchondral contour and restored the subchondral endochondral ossification, although it increased growth plate fusions. In summary, the study demonstrated a promising BMP2-hydrogel treatment for ONFH treatment, especially for teenagers.
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Affiliation(s)
| | - Chi Ma
- Scottish Rite for Children
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Che Z, Song Y, Zhu L, Liu T, Li X, Huang L. Emerging roles of growth factors in osteonecrosis of the femoral head. Front Genet 2022; 13:1037190. [PMID: 36452155 PMCID: PMC9702520 DOI: 10.3389/fgene.2022.1037190] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 10/24/2022] [Indexed: 12/20/2023] Open
Abstract
Osteonecrosis of the femoral head (ONFH) is a potentially disabling orthopedic condition that requires total hip arthroplasty in most late-stage cases. However, mechanisms underlying the development of ONFH remain unknown, and the therapeutic strategies remain limited. Growth factors play a crucial role in different physiological processes, including cell proliferation, invasion, metabolism, apoptosis, and stem cell differentiation. Recent studies have reported that polymorphisms of growth factor-related genes are involved in the pathogenesis of ONFH. Tissue and genetic engineering are attractive strategies for treating early-stage ONFH. In this review, we summarized dysregulated growth factor-related genes and their role in the occurrence and development of ONFH. In addition, we discussed their potential clinical applications in tissue and genetic engineering for the treatment of ONFH.
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Affiliation(s)
- Zhenjia Che
- Department of Orthopaedics, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Yang Song
- Department of Orthopaedics, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Liwei Zhu
- Department of Orthopaedics, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Tengyue Liu
- Department of Orthopaedics, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Xudong Li
- Department of Orthopaedics, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Lanfeng Huang
- Department of Orthopaedics, The Second Hospital of Jilin University, Changchun, Jilin, China
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Multiple Drilling with Recombinant Human Bone Morphogenetic Protein-2 in Korean Patients with Non-Traumatic Osteonecrosis of the Femoral Head: A Prospective Randomized Pilot Study with a Minimum Two-Year Follow-Up. J Clin Med 2022; 11:jcm11195499. [PMID: 36233365 PMCID: PMC9573457 DOI: 10.3390/jcm11195499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/08/2022] [Accepted: 09/16/2022] [Indexed: 11/17/2022] Open
Abstract
We sought to determine whether multiple drilling (MD) combined with the injection of recombinant human bone morphogenetic protein-2 (rhBMP-2) and β-tricalcium phosphate (β-TCP) could improve survival of the femoral head in pre-collapse lesions of non-traumatic osteonecrosis of the femoral head (ONFH) as compared with MD alone. We conducted a single-site, off-label, comparative and prospective cohort study between November 2017 and May 2019. We enrolled 25 hips (25 patients) with non-traumatic ONFH (Ficat–Arlet stage 2A or less). We performed a survival analysis, and the primary outcome was the occurrence of femoral head collapse on follow-up radiograph. Our cohort consisted of 11 men and 9 women of age 52.5 ± 8.8 years and a body mass index of 24.3 ± 3.0 kg/m2. The femoral heads were preserved in 9 hips (45.0%) and collapsed in 11 hips (55.0%) at the final follow-up; mean survival to collapse was 6.9 (range 2.8–13.5) months. There were no significant differences in the survival of the femoral head between the MD alone group and the MD with rhBMP-2 and β-TCP group (five hips survived, 50% vs. four hips survived, 40%, respectively; p = 0.83). MD combined with the injection of rhBMP-2 and β-TCP did not improve femoral head survival compared to MD alone in the pre-collapse non-traumatic ONFH lesion.
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Hixon KR, Katz DB, McKenzie JA, Miller AN, Guilak F, Silva MJ. Cryogel Scaffold-Mediated Delivery of Adipose-Derived Stem Cells Promotes Healing in Murine Model of Atrophic Non-Union. Front Bioeng Biotechnol 2022; 10:851904. [PMID: 35600896 PMCID: PMC9117654 DOI: 10.3389/fbioe.2022.851904] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 03/23/2022] [Indexed: 01/08/2023] Open
Abstract
Non-union is defined as the permanent failure of a bone to heal and occurs clinically in 5% of fractures. Atrophic non-unions, characterized by absent/minimal callus formation, are poorly understood and difficult to treat. We recently demonstrated a novel murine model of atrophic non-union in the 3.6Col1A1-tk (Col1-tk) mouse, wherein dosing with the nucleoside analog ganciclovir (GCV) was used to deplete proliferating osteoprogenitor cells, leading to a radiographic and biomechanical non-union after the mid-shaft femur fracture. Using this Col1-tk atrophic non-union model, we hypothesized that the scaffold-mediated lentiviral delivery of doxycycline-inducible BMP-2 transgenes would induce osteogenesis at the fracture site. Cryogel scaffolds were used as a vehicle for GFP+ and BMP-2+ cell delivery to the site of non-union. Cryogel scaffolds were biofabricated through the cross-linking of a chitosan-gelatin polymer solution at subzero temperatures, which results in a macroporous, spongy structure that may be advantageous for a bone regeneration application. Murine adipose-derived stem cells were seeded onto the cryogel scaffolds, where they underwent lentiviral transduction. Following the establishment of atrophic non-unions in the femurs of Col1-tk mice (4 weeks post-fracture), transduced, seeded scaffolds were surgically placed around the site of non-union, and the animals were given doxycycline water to induce BMP-2 production. Controls included GFP+ cells on the cryogel scaffolds, acellular scaffolds, and sham (no scaffold). Weekly radiographs were taken, and endpoint analysis included micro-CT and histological staining. After 2 weeks of implantation, the BMP-2+ scaffolds were infiltrated with cartilage and woven bone at the non-union site, while GFP+ scaffolds had woven bone formation. Later, timepoints of 8 weeks had woven bone and vessel formation within the BMP-2+ and GFP + scaffolds with cortical bridging of the original fracture site in both groups. Overall, the cell-seeded cryogels promoted osseous healing. However, while the addition of BMP-2 promoted the endochondral ossification, it may provide a slower route to healing. This proof-of-concept study demonstrates the potential for cellularized cryogel scaffolds to enhance the healing of non-unions.
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Affiliation(s)
- Katherine R. Hixon
- Department of Orthopaedic Surgery, Musculoskeletal Research Center, Washington University, St. Louis, MO, United States
- Thayer School of Engineering, Dartmouth College, Hanover, NH, United States
| | - Dakota B. Katz
- Department of Orthopaedic Surgery, Musculoskeletal Research Center, Washington University, St. Louis, MO, United States
- Department of Biomedical Engineering, Washington University, St. Louis, MO, United States
- Center of Regenerative Medicine, Washington University, St. Louis, MO, United States
- Shriners Hospitals for Children—St. Louis, St. Louis, MO, United States
| | - Jennifer A. McKenzie
- Department of Orthopaedic Surgery, Musculoskeletal Research Center, Washington University, St. Louis, MO, United States
| | - Anna N. Miller
- Department of Orthopaedic Surgery, Musculoskeletal Research Center, Washington University, St. Louis, MO, United States
| | - Farshid Guilak
- Department of Orthopaedic Surgery, Musculoskeletal Research Center, Washington University, St. Louis, MO, United States
- Department of Biomedical Engineering, Washington University, St. Louis, MO, United States
- Center of Regenerative Medicine, Washington University, St. Louis, MO, United States
- Shriners Hospitals for Children—St. Louis, St. Louis, MO, United States
| | - Matthew J. Silva
- Department of Orthopaedic Surgery, Musculoskeletal Research Center, Washington University, St. Louis, MO, United States
- Department of Biomedical Engineering, Washington University, St. Louis, MO, United States
- Center of Regenerative Medicine, Washington University, St. Louis, MO, United States
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Cha M, Jin YZ, Park JW, Lee KM, Han SH, Choi BS, Lee JH. Three-dimensional printed polylactic acid scaffold integrated with BMP-2 laden hydrogel for precise bone regeneration. Biomater Res 2021; 25:35. [PMID: 34706765 PMCID: PMC8554986 DOI: 10.1186/s40824-021-00233-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Accepted: 09/15/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Critical bone defects remain challenges for clinicians, which cannot heal spontaneously and require medical intervention. Following the development of three-dimensional (3D) printing technology is widely used in bone tissue engineering for its outstanding customizability. The 3D printed scaffolds were usually accompanied with growth factors, such as bone morphometric protein 2 (BMP-2), whose effects have been widely investigated on bone regeneration. We previously fabricated and investigated the effect of a polylactic acid (PLA) cage/Biogel scaffold as a carrier of BMP-2. In this study, we furtherly investigated the effect of another shape of PLA cage/Biogel scaffold as a carrier of BMP-2 in a rat calvaria defect model and an ectopic ossification (EO) model. METHOD The PLA scaffold was printed with a basic commercial 3D printer, and the PLA scaffold was combined with gelatin and alginate-based Biogel and BMP-2 to induce bone regeneration. The experimental groups were divided into PLA scaffold, PLA scaffold with Biogel, PLA scaffold filled with BMP-2, and PLA scaffold with Biogel and BMP-2 and were tested both in vitro and in vivo. One-way ANOVA with Bonferroni post-hoc analysis was used to determine whether statistically significant difference exists between groups. RESULT The in vitro results showed the cage/Biogel scaffold released BMP-2 with an initial burst release and followed by a sustained slow-release pattern. The released BMP-2 maintained its osteoinductivity for at least 14 days. The in vivo results showed the cage/Biogel/BMP-2 group had the highest bone regeneration in the rat calvarial defect model and EO model. Especially, the bone regenerated more regularly in the EO model at the implanted sites, which indicated the cage/Biogel had an outstanding ability to control the shape of regenerated bone. CONCLUSION In conclusion, the 3D printed PLA cage/Biogel scaffold system was proved to be a proper carrier for BMP-2 that induced significant bone regeneration and induced bone formation following the designed shape.
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Affiliation(s)
- Misun Cha
- Biotechnology Institute, Medifab Co. LTD., 70, Dusan-ro, Doksan-dong, Geumcheon-gu, Seoul, 085-84, South Korea.,Department of Orthopedic Surgery, SMG-SNU Boramae Medical Center, 39 Boramae Gil, Dongjak-Gu, Seoul, 156-707, South Korea
| | - Yuan-Zhe Jin
- Department of Orthopedic Surgery, College of Medicine, Seoul National University, Seoul, 110-799, South Korea.,Spine Department, The First Hospital of Jilin University, Changchun, 130031, China.,Jilin Engineering Research Center for Spine and Spinal Cord Injury, Changchun, China
| | - Jin Wook Park
- Biotechnology Institute, Medifab Co. LTD., 70, Dusan-ro, Doksan-dong, Geumcheon-gu, Seoul, 085-84, South Korea
| | - Kyung Mee Lee
- Department of Orthopedic Surgery, SMG-SNU Boramae Medical Center, 39 Boramae Gil, Dongjak-Gu, Seoul, 156-707, South Korea
| | - Shi Huan Han
- Department of Orthopedic Surgery, College of Medicine, Seoul National University, Seoul, 110-799, South Korea
| | - Byung Sun Choi
- Department of Orthopedic Surgery, SMG-SNU Boramae Medical Center, 39 Boramae Gil, Dongjak-Gu, Seoul, 156-707, South Korea
| | - Jae Hyup Lee
- Department of Orthopedic Surgery, SMG-SNU Boramae Medical Center, 39 Boramae Gil, Dongjak-Gu, Seoul, 156-707, South Korea. .,Department of Orthopedic Surgery, College of Medicine, Seoul National University, Seoul, 110-799, South Korea. .,Institute of Medical and Biological Engineering, Seoul National University Medical Research Center, Seoul, 110-799, South Korea.
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11
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Dong H, Zhu T, Zhang M, Wang D, Wang X, Huang G, Wang S, Zhang M. Polymer Scaffolds-Enhanced Bone Regeneration in Osteonecrosis Therapy. Front Bioeng Biotechnol 2021; 9:761302. [PMID: 34631688 PMCID: PMC8498195 DOI: 10.3389/fbioe.2021.761302] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 09/09/2021] [Indexed: 12/12/2022] Open
Abstract
Osteonecrosis without effective early treatment eventually leads to the collapse of the articular surface and causes arthritis. For the early stages of osteonecrosis, core decompression combined with bone grafting, is a procedure worthy of attention and clinical trial. And the study of bone graft substitutes has become a hot topic in the area of osteonecrosis research. In recent years, polymers have received more attention than other materials due to their excellent performance. However, because of the harsh microenvironment in osteonecrosis, pure polymers may not meet the stringent requirements of osteonecrosis research. The combined application of polymers and various other substances makes up for the shortcomings of polymers, and to meet a broad range of requirements for application in osteonecrosis therapy. This review focuses on various applying polymers in osteonecrosis therapy, then discusses the development of biofunctionalized composite polymers based on the polymers combined with different bioactive substances. At the end, we discuss their prospects for translation to clinical practice.
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Affiliation(s)
- Hengliang Dong
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Tongtong Zhu
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Mingran Zhang
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Dapeng Wang
- Department of Orthopedics, Siping Central Hospital, Siping, China
| | - Xukai Wang
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Guanning Huang
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Shuaishuai Wang
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Minglei Zhang
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
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12
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Dong J, Xu X, Zhang Q, Yuan Z, Tan B. Critical implication of the PTEN/PI3K/AKT pathway during BMP2-induced heterotopic ossification. Mol Med Rep 2021; 23:254. [PMID: 33537834 PMCID: PMC7893754 DOI: 10.3892/mmr.2021.11893] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 01/08/2021] [Indexed: 12/19/2022] Open
Abstract
Heterotopic ossification (HO) is characterized by extraskeletal ossification in soft tissue. Thus far, there is a lack of effective drug therapy against HO. Loss of PTEN in osteoblasts has been reported to accumulate bone mass in skeletal development and promote fracture healing in association with the activation of the PI3K/AKT pathway. However, the role of the PTEN/PI3K/AKT signaling in HO pathogenesis remains unknown. The present study investigated the implication of this pathway during BMP2-induced osteogenic differentiation and ectopic bone formation. It was shown that overexpression of PTEN inhibited proliferation but stimulated apoptosis in mesenchymal pluripotent C3H10T1/2 cells. PTEN also inhibited BMP2-induced osteoblast differentiation, whereas BMP2 repressed PTEN expression and subsequently activated PI3K/AKT. The PI3K inhibitor, LY294002, blocked BMP2-induced osteoblastogenesis, suggesting that the PI3K/AKT pathway is critically required for BMP2 to initiate osteoblastogenesis. In vivo, implantation of BMP2 in muscle induced ectopic endochondral ossification. Strikingly, this bone-forming capacity was notably suppressed by the PI3K inhibitor LY294002. Hence, the results of the present study demonstrated that the PI3K/AKT signaling activity is indispensable for BMP2 to induce ectopic new bone. Targeting the PI3K/AKT pathway using inhibitor(s) may represent a potential molecular therapy for the treatment against HO.
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Affiliation(s)
- Jun Dong
- Department of Orthopaedics, Shandong Provincial Hospital, Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| | - Xiqiang Xu
- Department of Orthopaedics, Shandong Provincial Hospital, Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| | - Qingyu Zhang
- Department of Orthopaedics, Shandong Provincial Hospital, Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| | - Zenong Yuan
- Department of Orthopaedics, Shandong Provincial Hospital, Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| | - Bingyi Tan
- Department of Orthopaedics, Shandong Provincial Hospital, Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
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Abstract
This chapter provides an overview of the growth factors active in bone regeneration and healing. Both normal and impaired bone healing are discussed, with a focus on the spatiotemporal activity of the various growth factors known to be involved in the healing response. The review highlights the activities of most important growth factors impacting bone regeneration, with a particular emphasis on those being pursued for clinical translation or which have already been marketed as components of bone regenerative materials. Current approaches the use of bone grafts in clinical settings of bone repair (including bone grafts) are summarized, and carrier systems (scaffolds) for bone tissue engineering via localized growth factor delivery are reviewed. The chapter concludes with a consideration of how bone repair might be improved in the future.
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14
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Licini C, Farinelli L, Cerqueni G, Hosein A, Marchi S, Gigante A, Mattioli-Belmonte M. Heterotopic ossification in a patient with diffuse idiopathic skeletal hyperostosis: Input from histological findings. Eur J Histochem 2020; 64. [PMID: 33272008 PMCID: PMC7731577 DOI: 10.4081/ejh.2020.3176] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 10/27/2020] [Indexed: 02/07/2023] Open
Abstract
A high incidence of heterotopic ossification (HO) has been reported in patients with diffuse idiopathic skeletal hyperostosis (DISH), a metabolic disease characterized by calcifications of entheses at spine and peripheral sites. We performed histological and immunohistochemical analyses in five different HO sites in a patient with DISH to study a possible mutual interaction of bone morphogenetic protein 2 (BMP-2), transforming growth factor beta (TGF-β), and decorin, crucial for bone mass increasing, matrix calcification, and endochondral bone formation. We speculated that the surgical trauma triggered HO, inducing TGF-β release at the lesion site. TGF-β recruits osteoblast precursor cells and determines the overexpression of BMP-2 in the surrounding skeletal muscle, inducing a further osteogenic differentiation, contributing to HO onset.
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Affiliation(s)
- Caterina Licini
- Department of Clinical and Molecular Sciences-DISCLIMO, Università Politecnica delle Marche, Ancona.
| | - Luca Farinelli
- Department of Clinical and Molecular Sciences-DISCLIMO, Università Politecnica delle Marche, Ancona.
| | - Giorgia Cerqueni
- Department of Clinical and Molecular Sciences-DISCLIMO, Università Politecnica delle Marche, Ancona.
| | - Andrell Hosein
- Department of Clinical and Molecular Sciences-DISCLIMO, Università Politecnica delle Marche, Ancona.
| | - Saverio Marchi
- Department of Clinical and Molecular Sciences-DISCLIMO, Università Politecnica delle Marche, Ancona.
| | - Antonio Gigante
- Department of Clinical and Molecular Sciences-DISCLIMO, Università Politecnica delle Marche, Ancona.
| | - Monica Mattioli-Belmonte
- Department of Clinical and Molecular Sciences-DISCLIMO, Università Politecnica delle Marche, Ancona.
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15
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Functionalized Scaffold and Barrier Membrane with Anti-BMP-2 Monoclonal Antibodies for Alveolar Ridge Preservation in a Canine Model. BIOMED RESEARCH INTERNATIONAL 2020; 2020:6153724. [PMID: 33029518 PMCID: PMC7530509 DOI: 10.1155/2020/6153724] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 08/04/2020] [Indexed: 01/14/2023]
Abstract
Introduction The aim of this study was to investigate the ability of anti-bone morphogenetic protein 2 monoclonal antibody (anti-BMP-2 mAb) to functionalize scaffolds to mediate bone regeneration in a canine model. Materials and Methods The mandibular right premolar 4 (PM4) was extracted in eight beagle dogs and grafted with anti-BMP-2 mAb+anorganic bovine bone mineral with 10% collagen (ABBM-C) and porcine bilayer native collagen membrane (CM). The ABBM-C and CM were functionalized with either anti-BMP-2 mAb (test group) or an isotype matched control mAb (control group). Animals were euthanized at 12 weeks for radiographic, histologic, and histomorphometric analyses. Outcomes were compared between groups. Results 3D imaging using cone beam computed tomography (CBCT) revealed that sites treated with ABBM-C and CM functionalized with anti-BMP-2 mAb exhibited significantly more remaining bone width near the alveolar crest, as well as buccal bone height, compared with control groups. Histologic and histomorphometric analyses demonstrated that in anti-BMP-2 mAb-treated sites, total tissue volume was significantly higher in the coronal part of the alveolar bone crest compared with control sites. In anti-BMP-2 mAb-treated sites, bone formation was observed under the barrier membrane. Conclusion Functionalization of the ABBM-C scaffold and CM appeared to have led to bone formation within healing alveolar bone sockets.
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16
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Zhu T, Cui Y, Zhang M, Zhao D, Liu G, Ding J. Engineered three-dimensional scaffolds for enhanced bone regeneration in osteonecrosis. Bioact Mater 2020; 5:584-601. [PMID: 32405574 PMCID: PMC7210379 DOI: 10.1016/j.bioactmat.2020.04.008] [Citation(s) in RCA: 103] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 04/11/2020] [Accepted: 04/11/2020] [Indexed: 12/15/2022] Open
Abstract
Osteonecrosis, which is typically induced by trauma, glucocorticoid abuse, or alcoholism, is one of the most severe diseases in clinical orthopedics. Osteonecrosis often leads to joint destruction, and arthroplasty is eventually required. Enhancement of bone regeneration is a critical management strategy employed in osteonecrosis therapy. Bone tissue engineering based on engineered three-dimensional (3D) scaffolds with appropriate architecture and osteoconductive activity, alone or functionalized with bioactive factors, have been developed to enhance bone regeneration in osteonecrosis. In this review, we elaborate on the ideal properties of 3D scaffolds for enhanced bone regeneration in osteonecrosis, including biocompatibility, degradability, porosity, and mechanical performance. In addition, we summarize the development of 3D scaffolds alone or functionalized with bioactive factors for accelerating bone regeneration in osteonecrosis and discuss their prospects for translation to clinical practice. Engineered three-dimensional scaffolds boost bone regeneration in osteonecrosis. The ideal properties of three-dimensional scaffolds for osteonecrosis treatment are discussed. Bioactive factors-functionalized three-dimensional scaffolds are promising bone regeneration devices for osteonecrosis management. The challenges and opportunities of engineered three-dimensional scaffolds for osteonecrosis therapy are predicted.
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Affiliation(s)
- Tongtong Zhu
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, 126 Xiantai Street, Changchun, 130033, PR China
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022, PR China
| | - Yutao Cui
- Department of Orthopedics, The Second Hospital of Jilin University, 218 Ziqiang Road, Changchun, 130041, PR China
| | - Mingran Zhang
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, 126 Xiantai Street, Changchun, 130033, PR China
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022, PR China
| | - Duoyi Zhao
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022, PR China
| | - Guangyao Liu
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, 126 Xiantai Street, Changchun, 130033, PR China
- Corresponding author.
| | - Jianxun Ding
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022, PR China
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Huang J, Lin D, Wei Z, Li Q, Zheng J, Zheng Q, Cai L, Li X, Yuan Y, Li J. Parathyroid Hormone Derivative with Reduced Osteoclastic Activity Promoted Bone Regeneration via Synergistic Bone Remodeling and Angiogenesis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1905876. [PMID: 31962381 DOI: 10.1002/smll.201905876] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 12/20/2019] [Indexed: 06/10/2023]
Abstract
Osteogenesis, osteoclastogenesis, and angiogenesis are the most important processes in bone repair. Parathyroid hormone (PTH) has pro-osteogenic, pro-osteoclastogenic, and proangiogenic effects and may be a candidate for use in bone defect repair. However, the local application of PTH to bone defects is counterproductive due to its excessive osteoclastic and bone resorptive effects. In this study, a PTH derivative, PTHrP-2, is developed that can be applied to local bone defects. First, a modified peptide with a calcium-binding repeat glutamine tail undergoes controlled local release from a ceramic material and is shown to be a better fit for the repair process than the unmodified peptide. Second, the modified peptide is shown to have strong pro-osteogenic activity due to mineralization and its facilitation of serine (Ser) phosphorylation. Third, the modified peptide is shown to maintain the pro-osteoclastogenic and proangiogenic properties of the unmodified peptide, but its pro-osteoclastogenic activity is reduced compared to that of the unmodified peptide. The reduced pro-osteoclastogenic and increased pro-osteogenic properties of the modified peptide reverse the imbalance between osteoblasts and osteoclasts with local PTH application and shift bone resorption to bone regeneration.
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Affiliation(s)
- Jinghuan Huang
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai, 200233, China
| | - Dan Lin
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, China
| | - Zhanying Wei
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai, 200233, China
| | - Qi Li
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai, 200233, China
| | - Jin Zheng
- Department of Neurology and Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Qixin Zheng
- Department of Neurology and Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Lin Cai
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Xiaolin Li
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai, 200233, China
| | - Yuan Yuan
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, China
| | - Jingfeng Li
- Department of Orthopedics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
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Meyer HL, Burggraf M, Polan C, Husen M, Dudda M, Kauther MD. Lollipop Sign - Ossification at Wire Ends after Osteosynthesis? J Orthop Case Rep 2019; 9:52-55. [PMID: 31534935 PMCID: PMC6727445 DOI: 10.13107/jocr.2250-0685.1368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Introduction: Heterotopic ossification (HO) is abnormal formation of new bone in the soft tissue. HO occurs outside the normal bone within soft tissues such as muscles and tendons, and histologically, it is no different from skeletal bone. It is still not clear what factors stimulate HO. The soft tissue around the hip joint has been identified as the most common location for HO. Patients with HO usually have no clinical symptoms; however, it can become very painful and lead to severe functional limitations. The standard diagnostic procedure consists of conventional X-ray diagnostics and/or skeletal scintigraphy. Local radiation and nonsteroidal anti-inflammatory drugs are the classical options for treatment and prophylaxis of HO. We describe two pediatric patients with “lollipop-like” HO at the end of Kirschner wires (K-wires, steel) and titanium elastic nails (TENs, titanium). Case Report: A 9-year-old girl, 1 year after Salter and Pemberton osteotomy with K-wires, and a 15-year-old boy, 1 year after fracture of the right femur treated by osteosynthesis with TENs, were treated in our department due to HO. The girl did not report any symptoms, while the boy had pain in the location where the ossification had formed. However, examination of the girl’s hip showed that the range of motion in the hip affected by HO was limited in comparison with the opposite unaffected hip. Conclusion: To the best of our knowledge, lollipop-like HO around protruding K-wires or TENs has not yet been described. According to literature, HO is mainly located in the pelvic region and at the elbow. Most studies investigating HO describe cases which have occurred after cemented or uncemented hip replacement surgery. In the cases presented here, HO might have been stimulated by repetitive muscle trauma above the protruding K-wire and TENs, the trauma caused by the operation, bone marrow cells dispersed intraoperatively, or by a combination of these and other factors. There are numerous studies on strategies to prevent HO after joint replacement. We suggest “lollipop sign” as a name for this rare type of HO around the end of K-wires/TENs in pediatric patients.
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Affiliation(s)
- Heinz-Lothar Meyer
- Department for Trauma, Hand and Reconstruction Surgery, University Hospital Essen Germany, Hufelandstraße 55, Essen, Germany
| | - Manuel Burggraf
- Department for Trauma, Hand and Reconstruction Surgery, University Hospital Essen Germany, Hufelandstraße 55, Essen, Germany
| | - Christina Polan
- Department for Trauma, Hand and Reconstruction Surgery, University Hospital Essen Germany, Hufelandstraße 55, Essen, Germany
| | - Martin Husen
- Department for Trauma, Hand and Reconstruction Surgery, University Hospital Essen Germany, Hufelandstraße 55, Essen, Germany
| | - Marcel Dudda
- Department for Trauma, Hand and Reconstruction Surgery, University Hospital Essen Germany, Hufelandstraße 55, Essen, Germany
| | - Max Daniel Kauther
- Department for Trauma, Hand and Reconstruction Surgery, University Hospital Essen Germany, Hufelandstraße 55, Essen, Germany
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Wang JF, Lee M, Tsai T, Leiferman EM, Trask DJ, Squire MW, Li W. Bone Morphogenetic Protein-6 Attenuates Type 1 Diabetes Mellitus-Associated Bone Loss. Stem Cells Transl Med 2019; 8:522-534. [PMID: 30784225 PMCID: PMC6525561 DOI: 10.1002/sctm.18-0150] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Accepted: 01/21/2019] [Indexed: 01/03/2023] Open
Abstract
Patients with type 1 diabetes mellitus (T1DM) often suffer from osteopenia or osteoporosis. Although most agree that T1DM-induced hyperglycemia is a risk factor for progressive bone loss, the mechanisms for the link between T1DM and bone loss still remain elusive. In this study, we found that bone marrow-derived mesenchymal stem cells (BMSCs) isolated from T1DM donors were less inducible for osteogenesis than those from non-T1DM donors and further identified a mechanism involving bone morphogenetic protein-6 (BMP6) that was produced significantly less in BMSCs derived from T1DM donors than that in control cells. With addition of exogenous BMP6 in culture, osteogenesis of BMSCs from T1DM donors was restored whereas the treatment of BMP6 seemed not to affect non-T1DM control cells. We also demonstrated that bone mineral density (BMD) was reduced in streptozotocin-induced diabetic mice compared with that in control animals, and intraperitoneal injection of BMP6 mitigated bone loss and increased BMD in diabetic mice. Our results suggest that bone formation in T1DM patients is impaired by reduction of endogenous BMP6, and supplementation of BMP6 enhances osteogenesis of BMSCs to restore BMD in a mouse model of T1DM, which provides insight into the development of clinical treatments for T1DM-assocaited bone loss. Stem Cells Translational Medicine 2019;8:522-534.
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Affiliation(s)
- Jesse F. Wang
- Department of Orthopedics and RehabilitationUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
- Department of Biomedical EngineeringUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Ming‐Song Lee
- Department of Orthopedics and RehabilitationUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
- Department of Biomedical EngineeringUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Tsung‐Lin Tsai
- Department of Orthopedics and RehabilitationUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
- Department of Biomedical EngineeringUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Ellen M. Leiferman
- Department of Orthopedics and RehabilitationUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Darrin J. Trask
- Department of Orthopedics and RehabilitationUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Matthew W. Squire
- Department of Orthopedics and RehabilitationUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Wan‐Ju Li
- Department of Orthopedics and RehabilitationUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
- Department of Biomedical EngineeringUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
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20
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Helbig L, Omlor GW, Ivanova A, Guehring T, Sonntag R, Kretzer JP, Minkwitz S, Wildemann B, Schmidmaier G. Bone morphogenetic proteins - 7 and - 2 in the treatment of delayed osseous union secondary to bacterial osteitis in a rat model. BMC Musculoskelet Disord 2018; 19:261. [PMID: 30049273 PMCID: PMC6062917 DOI: 10.1186/s12891-018-2203-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Accepted: 07/18/2018] [Indexed: 01/08/2023] Open
Abstract
Background Bone infections due to trauma and subsequent delayed or impaired fracture healing represent a great challenge in orthopedics and trauma surgery. The prevalence of such bacterial infection-related types of delayed non-union is high in complex fractures, particularly in open fractures with additional extensive soft-tissue damage. The aim of this study was to establish a rat model of delayed osseous union secondary to bacterial osteitis and investigate the impact of rhBMP-7 and rhBMP-2 on fracture healing in the situation of an ongoing infection. Methods After randomization to four groups 72 Sprague-Dawley rats underwent a transverse fracture of the midshaft tibia stabilized by intramedullary titanium K-wires. Three groups received an intramedullary inoculation with Staphylococcus aureus (103 colony-forming units) before stabilization and the group without bacteria inoculation served as healing control. After 5 weeks, a second surgery was performed with irrigation of the medullary canal and local rhBMP-7 and rhBMP-2 treatment whereas control group and infected control group received sterile saline. After further 5 weeks rats were sacrificed and underwent biomechanical testing to assess the mechanical stability of the fractured bone. Additional micro-CT analysis, histological, and histomorphometric analysis were done to evaluate bone consolidation or delayed union, respectively, and to quantify callus formation and the mineralized area of the callus. Results Biomechanical testing showed a significantly higher fracture torque in the non-infected control group and the infected rhBMP-7- and rhBMP-2 group compared with the infected control group (p < 0.001). RhBMP-7 and rhBMP-2 groups did not show statistically significant differences (p = 0.57). Histological findings supported improved bone-healing after rhBMP treatment but quantitative micro-CT and histomorphometric results still showed significantly more hypertrophic callus tissue in all three infected groups compared to the non-infected group. Results from a semiquantitative bone-healing-score revealed best bone-healing in the non-infected control group. The expected chronic infection was confirmed in all infected groups. Conclusions In delayed bone healing secondary to infection rhBMP treatment promotes bone healing with no significant differences in the healing efficacy of rhBMP-2 and rhBMP-7 being noted. Further new therapeutic bone substitutes should be analyzed with the present rat model for delayed osseous union secondary to bacterial osteitis.
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Affiliation(s)
- Lars Helbig
- Clinic for Orthopedics and Trauma Surgery, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118, Heidelberg, Germany
| | - Georg W Omlor
- Clinic for Orthopedics and Trauma Surgery, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118, Heidelberg, Germany.
| | - Adriana Ivanova
- Clinic for Orthopedics and Trauma Surgery, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118, Heidelberg, Germany
| | - Thorsten Guehring
- Clinic for Trauma and Orthopaedic Surgery, BG Trauma Center Ludwigshafen at Heidelberg University Hospital, Ludwig-Guttmann-Strasse 13, 67071, Ludwigshafen on the Rhine, Germany
| | - Robert Sonntag
- Laboratory of Biomechanics and Implant Research, Clinic for Orthopedics and Trauma Surgery, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118, Heidelberg, Germany
| | - J Philippe Kretzer
- Laboratory of Biomechanics and Implant Research, Clinic for Orthopedics and Trauma Surgery, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118, Heidelberg, Germany
| | - Susann Minkwitz
- Berlin-Brandenburg Center for Regenerative Therapies, Charité-Universitätsmedizin Berlin, 13353, Berlin, Germany
| | - Britt Wildemann
- Berlin-Brandenburg Center for Regenerative Therapies, Charité-Universitätsmedizin Berlin, 13353, Berlin, Germany.,Experimental Trauma Surgery, Universitätsklinikum Jena, 07747, Jena, Germany
| | - Gerhard Schmidmaier
- Clinic for Orthopedics and Trauma Surgery, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118, Heidelberg, Germany
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21
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Wang C, Zang H, Zhou D. Bone morphogenetic protein-2 exhibits therapeutic benefits for osteonecrosis of the femoral head through induction of cartilage and bone cells. Exp Ther Med 2018; 15:4298-4308. [PMID: 29849774 PMCID: PMC5962870 DOI: 10.3892/etm.2018.5941] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Accepted: 10/20/2017] [Indexed: 12/29/2022] Open
Abstract
Osteonecrosis of the femoral head is an orthopedic disease caused by femoral head damage or insufficient blood supply, which leads to the death of bone cells and bone marrow. Osteonecrosis of the femoral head leads to changes in the structure of the femoral head, femoral head collapse and joint dysfunction. Bone morphogenetic protein-2 (BMP-2) exhibits beneficial effects on bone formation, repair and angiogenesis at the femoral head. In the present study, the therapeutic effects of recombinant human BMP-2 containing an Fc fragment (rBMP-2/Fc) were investigated on a steroid induced mouse model of osteonecrosis of the femoral head. Bone cell viability was used to determine the in vitro effects of rBMP-2/Fc. The therapeutic efficacies of rBMP-2/Fc on mice with osteonecrosis of the femoral head were evaluated using clinical arthritis scores. The expression levels of inflammatory factors in the mice were analyzed by reverse transcription-quantitative polymerase chain reaction. Histological analysis was used to evaluate the effects of rBMP-2/Fc on the femoral head. The results revealed that rBMP-2/Fc treatment significantly increased the IL-6, IL-10, vascular endothelial growth factor and macrophage colony-stimulating factor expression levels in synovial cells compared with the control group (P<0.01). Furthermore, it was observed that rBMP-2/Fc significantly improved the viability and growth of synovial cells (P<0.01) through the nuclear factor (NF)-κB signaling pathway. Treatment with rBMP-2/Fc significantly decreased receptor activator of NF-κB ligand expression levels. Furthermore, in vivo experiments demonstrated that rBMP-2/Fc treatment markedly relieved the arthralgia and damage caused by osteonecrosis of the femoral head. In conclusion, rBMP-2/Fc treatment may be beneficial for articular cartilage repair by the upregulation of angiogenesis factors through the down regulation of the NF-κB signaling pathway in mice with osteonecrosis of the femoral head. This preclinical data suggests that rBMP-2/Fc may be a promising novel agent for treatment of osteonecrosis of the femoral head.
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Affiliation(s)
- Chunhui Wang
- Department of Orthopedics, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong 250021, P.R. China
| | - Huimei Zang
- Department of Cardiovascular Medicine, Shandong University Qilu Hospital Research Center for Cell Therapy, Key Laboratory of Cardiovascular Remodeling and Function, Jinan, Shandong 250012, P.R. China
| | - Dongsheng Zhou
- Department of Orthopedics, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong 250021, P.R. China
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Bajwa NM, Kesavan C, Mohan S. Long-term Consequences of Traumatic Brain Injury in Bone Metabolism. Front Neurol 2018; 9:115. [PMID: 29556212 PMCID: PMC5845384 DOI: 10.3389/fneur.2018.00115] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 02/15/2018] [Indexed: 12/14/2022] Open
Abstract
Traumatic brain injury (TBI) leads to long-term cognitive, behavioral, affective deficits, and increase neurodegenerative diseases. It is only in recent years that there is growing awareness that TBI even in its milder form poses long-term health consequences to not only the brain but to other organ systems. Also, the concept that hormonal signals and neural circuits that originate in the hypothalamus play key roles in regulating skeletal system is gaining recognition based on recent mouse genetic studies. Accordingly, many TBI patients have also presented with hormonal dysfunction, increased skeletal fragility, and increased risk of skeletal diseases. Research from animal models suggests that TBI may exacerbate the activation and inactivation of molecular pathways leading to changes in both osteogenesis and bone destruction. TBI has also been found to induce the formation of heterotopic ossification and increased callus formation at sites of muscle or fracture injury through increased vascularization and activation of systemic factors. Recent studies also suggest that the disruption of endocrine factors and neuropeptides caused by TBI may induce adverse skeletal effects. This review will discuss the long-term consequences of TBI on the skeletal system and TBI-induced signaling pathways that contribute to the formation of ectopic bone, altered fracture healing, and reduced bone mass.
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Affiliation(s)
- Nikita M Bajwa
- Musculoskeletal Disease Center, VA Loma Linda Healthcare System, Loma Linda, CA, United States
| | - Chandrasekhar Kesavan
- Musculoskeletal Disease Center, VA Loma Linda Healthcare System, Loma Linda, CA, United States.,Department of Medicine, Loma Linda University, Loma Linda, CA, United States
| | - Subburaman Mohan
- Musculoskeletal Disease Center, VA Loma Linda Healthcare System, Loma Linda, CA, United States.,Department of Medicine, Loma Linda University, Loma Linda, CA, United States.,Department of Orthopedic Surgery, Loma Linda University, Loma Linda, CA, United States
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23
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Guo L, Min S, Su Y, Tang J, Du J, Goh BT, Saigo L, Wang S, Ansari S, Moshaverinia A, Zadeh HH, Liu Y. Collagen sponge functionalized with chimeric anti-BMP-2 monoclonal antibody mediates repair of nonunion tibia defects in a nonhuman primate model: An exploratory study. J Biomater Appl 2017; 32:425-432. [DOI: 10.1177/0885328217733262] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Lijia Guo
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, China
- Department of Orthodontics, Capital Medical University School of Stomatology, Beijing, China
| | - Seiko Min
- Laboratory for Immunoregulation and Tissue Engineering (LITE), Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, USA
| | - Yingying Su
- Department of Stomatology, Beijing Tiantan Hospital, Capital Medical University School of Stomatology, Beijing, China
| | - Jianxia Tang
- Department of Oral and Maxillofacial Surgery, Xiangya Stomatological Hospital, Central South University, Changsha, Hunan, China
| | - Juan Du
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, China
| | - Bee Tin Goh
- Department of Oral & Maxillofacial Surgery, National Dental Centre, Singapore
| | - Leonardo Saigo
- Department of Oral & Maxillofacial Surgery, National Dental Centre, Singapore
| | - Songlin Wang
- Molecular Laboratory for Gene Therapy and Tooth Regeneration, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, China
| | - Sahar Ansari
- Division of Growth and Development, School of Dentistry, University of California, Los Angeles, CA, USA
| | - Alireza Moshaverinia
- Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, CA, USA
| | - Homayoun H Zadeh
- Laboratory for Immunoregulation and Tissue Engineering (LITE), Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, USA
| | - Yi Liu
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, China
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