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Sinkler MA, Furdock RJ, McMellen CJ, Calcei JG, Voos JE. Biologics, Stem Cells, Growth Factors, Platelet-Rich Plasma, Hemarthrosis, and Scaffolds May Enhance Anterior Cruciate Ligament Surgical Treatment. Arthroscopy 2023; 39:166-175. [PMID: 36370920 DOI: 10.1016/j.arthro.2022.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 11/03/2022] [Indexed: 11/11/2022]
Abstract
Biologics including mesenchymal stem cells (MSCs), growth factors, and platelet-rich plasma may enhance anterior cruciate ligament (ACL) reconstruction and even ACL primary repair. In addition, hemarthrosis after acute ACL injury represents a source of biologic factors. MSCs can differentiate into both fibroblasts and osteoblasts, potentially providing a transition between the ligament or graft and bone. MSCs also produce cytokines and growth factors necessary for cartilage, bone, ligament, and tendon regeneration. MSC sources including bone marrow, synovium, adipose tissue, ACL-remnant, patellar tendon, and umbilical cord. Also, scaffolds may represent a tool for ACL tissue engineering. A scaffold should be porous, which allows cell growth and flow of nutrients and waste, should be biocompatible, and might have mechanical properties that match the native ACL. Scaffolds have the potential to deliver bioactive molecules or stem cells. Synthetic and biologically derived scaffolds are widely available. ACL reconstruction with improved outcome, ACL repair, and ACL tissue engineering are promising goals. LEVEL OF EVIDENCE: Level V, expert opinion.
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Affiliation(s)
- Margaret A Sinkler
- Department of Orthopaedic Surgery, University Hospitals Cleveland Medical Center, Cleveland Ohio, U.S.A..
| | - Ryan J Furdock
- Department of Orthopaedic Surgery, University Hospitals Cleveland Medical Center, Cleveland Ohio, U.S.A
| | - Christopher J McMellen
- Department of Orthopaedic Surgery, University Hospitals Cleveland Medical Center, Cleveland Ohio, U.S.A
| | - Jacob G Calcei
- Department of Orthopaedic Surgery, University Hospitals Cleveland Medical Center, Cleveland Ohio, U.S.A
| | - James E Voos
- Department of Orthopaedic Surgery, University Hospitals Cleveland Medical Center, Cleveland Ohio, U.S.A
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Zhang L, Zhang Q, Cui L, Wu L, Gao S. Kartogenin Combined Platelet-Rich Plasma (PRP) Promoted Tendon-Bone Healing for Anterior Cruciate Ligament (ACL) Reconstruction by Suppressing Inflammatory Response Via targeting AKT/PI3K/NF-κB. Appl Biochem Biotechnol 2023; 195:1284-1296. [PMID: 36346560 DOI: 10.1007/s12010-022-04178-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/28/2022] [Indexed: 11/10/2022]
Abstract
Anterior cruciate ligament (ACL) rupture is the most common sports injuries and PRP has the potential to be a kartogenin (KGN) carrier to promote collagen fibril organization and cartilage regenerative in the tendon-bone interface. This paper aimed to investigate co-injection of KGN-PRP into the bone tunnels of ACL reconstructions which could enhance tendon-bone healing graft osteointegration effectively. HPLC was used to measured release rate of KGN from KGN-PRP gel. Then, an ACL injury reconstruction model in rabbits was established and the rabbits received saline, PRP, and KGN-PRP injection onto the tendon-bone interface after reconstruction. The tissue was harvested from the tendon-bone interface at 4 weeks and 8 weeks post-surgery, and the sections were stained with Safranin O/fast green to detected tendon-bone healing. Immunochemistry staining was used to analyze VEGF, collagen I, and HIF-1α expression, and ELISA assay was used for detecting IL-6, TNF-α, and COX-2 concentrations. The expression levels of AKT/PI3K/NF-κB-related protein and mRNA were presented by Western blot and qPCR. The release rate of KGN was high within 4 h of KGN-PRP gel and followed by a slow release until 7 days. The Safranin O/fast green staining results indicated that tendon-bone interface in sham and mock group existed gap and tissue disorganization. The KGN + PRP group showed the positive color of the healing interface was more obvious and cartilage tissue began to be generated in large amounts at this interface. The maximum tensile force of KGN-PRP injection tendon-bone healing site was significantly higher than that of PRP group, and KGN-PRP effectively promoted fibro chondrogenesis and tendon-bone healing. The expression of collagen I, VEGF, and HIF-1α in regenerated tissues at the healing interface was significantly increased by KGN-PRP treatment compared with the mock and sham groups. The expressions of IL-6, TNF-α, and COX-2 after KGN-PRP treatment were significantly decreased in tendon-bone interface compared to the mock group. WB and qPCR results showed KGN-PRP treatment effectively inhibits AKT/PI3K/NF-κB activation of inflammatory pathways, thereby reducing the level of inflammation to promote wound healing. PRP is an effective carrier for KGN with the sustained release of KGN. After ACL reconstruction, injection of KGN-PRP gel significantly reduced the inflammatory response and inhibited AKT/PI3K/NF-κB activation in cartilage tissue, which promoted tendon-bone healing.
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Affiliation(s)
- Lei Zhang
- Department of Orthopedics Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, 050051, Hebei, People's Republic of China
| | - Qian Zhang
- Department of Orthopedics Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, 050051, Hebei, People's Republic of China
| | - Lukuan Cui
- Department of Orthopedics Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, 050051, Hebei, People's Republic of China
| | - Lijie Wu
- Department of Orthopedics Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, 050051, Hebei, People's Republic of China
| | - Shijun Gao
- Department of Orthopedics Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, 050051, Hebei, People's Republic of China.
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Wei B, Li Z, Lin Y, Hu X, Xu L, Wang S, Ji M, Lu J. BMP-2/TGF-β1 gene insertion into ligament-derived stem cells sheet promotes tendon-bone healing in a mouse. Biotechnol J 2023; 18:e2200470. [PMID: 36683552 DOI: 10.1002/biot.202200470] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 12/02/2022] [Accepted: 01/19/2023] [Indexed: 01/24/2023]
Abstract
Bone morphogenetic protein-2 (BMP-2) and transforming growth factor-β1 (TGF-β1) reportedly induce the osteogenic and tenogenic differentiation of anterior cruciate ligament (ACL)-derived stem cells (LDSCs), respectively. However, few studies have investigated the effect of BMP-2/TGF-β1 on the differentiation of LDSC. We developed a BMP-2/TGF-β1 gene insertion into an LDSC cell sheet that promotes tendon-bone healing in a mouse ACL reconstruction (ACLR) model. CD34+ LDSCs were isolated from human ACL stump tissues, virally transduced to express BMP-2 or TGF-β1, and then embedded within cell sheets. All mice underwent ACLR using an autograft wrapped with a cell sheet and were randomly divided into three groups: BMP-2-, TGF-β1-, and BMP-2/TGF-β1-transduced. At 4 and 8 weeks, tendon-bone healing was evaluated by micro-CT, biomechanical test, and histological analysis. BMP-2 and TGF-β1 promoted the osteogenic and tenogenic differentiation of LDSC in vitro. BMP-2/TGF-β1-transduced LDSC sheet application contributed to early improvement in mean failure load and graft stiffness, accelerated maturation of the tendon-bone junction, and inhibited bone tunnel widening. Furthermore, reduced M1 macrophage infiltration and a higher M2 macrophage percentage were observed in the BMP-2/TGF-β1-transduced LDSC group. This work demonstrated that BMP-2 and TGF-β1 promoted CD34+ LDSCs osteogenic and tenogenic differentiation in vitro and in vivo, which accelerated the tendon-bone healing after ACLR using autografts wrapped with cell sheets in a mouse model.
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Affiliation(s)
- Bing Wei
- School of Medicine, Southeast University, Nanjing, Jiangsu Province, China.,Department of Orthopaedic Surgery/Joint and Sports Medicine Center, Zhongda Hospital, Southeast University, Nanjing, Jiangsu Province, China
| | - Zhuang Li
- School of Medicine, Southeast University, Nanjing, Jiangsu Province, China.,Department of Orthopaedic Surgery/Joint and Sports Medicine Center, Zhongda Hospital, Southeast University, Nanjing, Jiangsu Province, China
| | - Yucheng Lin
- School of Medicine, Southeast University, Nanjing, Jiangsu Province, China.,Department of Orthopaedic Surgery/Joint and Sports Medicine Center, Zhongda Hospital, Southeast University, Nanjing, Jiangsu Province, China
| | - Xinyue Hu
- School of Medicine, Southeast University, Nanjing, Jiangsu Province, China.,Department of Orthopaedic Surgery/Joint and Sports Medicine Center, Zhongda Hospital, Southeast University, Nanjing, Jiangsu Province, China
| | - Li Xu
- School of Medicine, Southeast University, Nanjing, Jiangsu Province, China.,Department of Orthopaedic Surgery/Joint and Sports Medicine Center, Zhongda Hospital, Southeast University, Nanjing, Jiangsu Province, China
| | - Shanzheng Wang
- School of Medicine, Southeast University, Nanjing, Jiangsu Province, China.,Department of Orthopaedic Surgery/Joint and Sports Medicine Center, Zhongda Hospital, Southeast University, Nanjing, Jiangsu Province, China
| | - Mingliang Ji
- School of Medicine, Southeast University, Nanjing, Jiangsu Province, China.,Department of Orthopaedic Surgery/Joint and Sports Medicine Center, Zhongda Hospital, Southeast University, Nanjing, Jiangsu Province, China
| | - Jun Lu
- School of Medicine, Southeast University, Nanjing, Jiangsu Province, China.,Department of Orthopaedic Surgery/Joint and Sports Medicine Center, Zhongda Hospital, Southeast University, Nanjing, Jiangsu Province, China
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Deng Z, Luo F, Lin Y, Luo J, Ke D, Song C, Xu J. Research trends of mesenchymal stem cells application in orthopedics: A bibliometric analysis of the past 2 decades. Front Public Health 2022; 10:1021818. [PMID: 36225768 PMCID: PMC9548591 DOI: 10.3389/fpubh.2022.1021818] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 09/07/2022] [Indexed: 01/28/2023] Open
Abstract
Background Bibliometric analysis and visualization tools were used to determine the development trend of mesenchymal stem cells (MSCs) in orthopedics in the past 20 years, so as to guide researchers to explore new directions and hotspots in the field in the future. Methods In the Web of Science Core Collection, all articles about the application of MSCs in orthopedics from 2002 to 2021 were searched. The qualitative and quantitative analysis was performed based on Web of Science and CiteSpace software. Results A total of 2,207 articles were retrieved. After excluding non-article articles such as review and letter and non-English language articles, 1,489 articles were finally included. Over the past 2 decades, the number of publications on the application of MSCs in orthopedic diseases increased. Among them, the United States, China, Japan and the United Kingdom have made significant contributions in this field. The most productive institution was Shanghai Jiao Tong University. Journal of Orthopedic Research published the largest number of publications. The journal with the highest citation frequency was Experimental Hematology. The authors with the highest output and the highest citation frequency on average were Rochy S. Tuan and Scott A. Rodeo, respectively. "Mesenchymal stem cell", "in vitro" and "Differentiation" were the top three keywords that appeared. From the keyword analysis, the current research trend indicates that the primary research hotspots of MSCs in orthopedics are the source of MSCs, in vitro experiments and the differentiation of MSCs into bone and cartilage. The frontiers of this field are the combination of MSCs and platelet-rich plasma (PRP), the treatment of knee diseases such as osteoarthritis, osteogenic differentiation, and the application of biological scaffolds combined with MSCs. Conclusion Over the past 2 decades, the application of MSCs in orthopedic diseases has received increasing attention. Our bibliometric analysis results provide valuable information and research trends for researchers in the field to understand the basic knowledge of the field, identify current research hotspots, potential collaborators, and future research frontiers.
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Xu J, Ye Z, Han K, Zheng T, Zhang T, Dong S, Jiang J, Yan X, Cai J, Zhao J. Infrapatellar Fat Pad Mesenchymal Stromal Cell-Derived Exosomes Accelerate Tendon-Bone Healing and Intra-articular Graft Remodeling After Anterior Cruciate Ligament Reconstruction. Am J Sports Med 2022; 50:662-673. [PMID: 35224997 DOI: 10.1177/03635465211072227] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Exosomes derived from mesenchymal stromal cells (MSCs) reportedly enhance the healing process. However, no studies have investigated the effect of exosomes from infrapatellar fat pad (IPFP) MSCs on tendon-bone healing and intra-articular graft remodeling after anterior cruciate ligament reconstruction (ACLR). PURPOSE To evaluate the in vivo effect of exosomes from IPFP MSCs on tendon-bone healing and intra-articular graft remodeling in a rat model of ACLR. STUDY DESIGN Controlled laboratory study. METHODS A total of 90 skeletally mature male Sprague Dawley rats underwent unilateral ACLR using an autograft. All rats were randomly divided into 3 groups: sham injection (SI) group (n = 30), control injection (CI) group (n = 30), and IPFP MSC-derived exosome injection (IMEI) group (n = 30). At 2, 4, and 8 weeks postoperatively, tendon-bone healing and intra-articular graft remodeling were evaluated via biomechanical testing, micro-computed tomography, and histological analysis; macrophage polarization was evaluated using immunohistochemical staining. RESULTS Biomechanical testing demonstrated a significantly higher failure load and stiffness in the IMEI group than in the SI and CI groups at 4 and 8 weeks postoperatively. Moreover, a thinner graft-to-bone healing interface with more fibrocartilage was observed in the IMEI group at both time points. Micro-computed tomography revealed greater new bone ingrowth in the IMEI group than in the other groups, as demonstrated by smaller mean bone tunnel areas and a larger bone volume/total volume ratio. Additionally, more cellular infiltration was observed in the intra-articular graft in the IMEI group than in the other groups at 4 weeks, followed by more regularly organized fibers with mature collagen at 8 weeks. Notably, similar trends of macrophage polarization were found at both the graft-to-bone interface and the intra-articular graft in the IMEI group, with significantly fewer proinflammatory M1 macrophages and larger numbers of reparative M2 macrophages than in the SI and CI groups. CONCLUSION IPFP MSC-derived exosomes accelerated tendon-bone healing and intra-articular graft remodeling after ACLR, which may have resulted from the immunomodulation of macrophage polarization. CLINICAL RELEVANCE The IPFP can be easily harvested by most orthopaedic surgeons. Exosomes from IPFP MSCs, constituting a newly emerging cell-free approach, may represent a treatment option for improving tendon-bone healing and intra-articular graft remodeling after ACLR.
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Affiliation(s)
- Junjie Xu
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Zipeng Ye
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Kang Han
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Ting Zheng
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Tianlun Zhang
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Shikui Dong
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Jia Jiang
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Xiaoyu Yan
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Jiangyu Cai
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Jinzhong Zhao
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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Zhu T, Zhou J, Hwang J, Xu X. Effects of Platelet-Rich Plasma on Clinical Outcomes After Anterior Cruciate Ligament Reconstruction: A Systematic Review and Meta-analysis. Orthop J Sports Med 2022; 10:23259671211061535. [PMID: 35127959 PMCID: PMC8811441 DOI: 10.1177/23259671211061535] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 09/03/2021] [Indexed: 12/04/2022] Open
Abstract
Background: Many studies have documented the use of platelet-rich plasma (PRP) alongside anterior cruciate ligament (ACL) reconstruction (ACLR) in the management of ACL injury, but evidence on the benefits of PRP in improving the clinical outcomes of ACLR is inconsistent. Purpose: To help in our understanding, we undertook a systematic review and meta-analysis of randomized controlled trials (RCTs) that evaluated the effects of PRP on patient-reported functional scores, the clinical assessments of knee function and structure, and complications. Study Design: Systematic review; Level of evidence, 1. Methods: We searched 9 online databases for RCTs published in English or Chinese that examined the effects of PRP on ACLR. The primary outcome measures were visual analog scale (VAS) for pain and International Knee Documentation Committee (IKDC) scores. The secondary outcomes included KT-1000 arthrometer, pivot-shift test, Lysholm and Tegner scores, tunnel widening, graft characterization, and complications. Subgroup analyses were performed according to time of assessments. Fixed- and random-effects models were selected for data analysis. Results: A total of 14 studies were included. When PRP was injected to graft tunnels, the pooled VAS scores of the 2 groups were similar (P = .31), and the subgroup analysis found that VAS and IKDC only improved at 3 months postoperatively (P = .0003 and P < .00001, respectively). When PRP was used at the bone–patellar tendon–bone harvest sites, VAS was decreased in the first 6 months postoperatively (P < .00001), whereas IKDC score was not remarkably different (P = .07). After PRP injection, Lysholm scores at 3 months postoperatively was different between the 2 groups (P < .00001), but the Tegner scores (P = .86), KT-1000 measurements (P = .12), the positive rate of pivot-shift test (P = .64), the enlargement of tunnels (femoral, P = .91; tibial, P = .80), and the characterization of grafts (P = .05) were not different. No difference in complications was found in either group. Conclusion: PRP applied alongside ACLR could reduce postoperative pain and improve knee function in the short and medium terms but is ineffective in the long term. PRP does not improve knee stability and the enlargement of tunnels and does not accelerate the healing of grafts. Further studies would be required.
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Affiliation(s)
- Ting Zhu
- Department of Exercise Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Jingbin Zhou
- China National Institute of Sports Medicine, Beijing, China
| | - Jooyeon Hwang
- Department of Occupational and Environmental Health, Hudson College of Public Health, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Xin Xu
- Department of Exercise Rehabilitation, Shanghai University of Sport, Shanghai, China
- Shanghai Anti-doping Laboratory, Shanghai University of Sport, Shanghai, China
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Rodríguez-Merchán EC. Anterior Cruciate Ligament Reconstruction: Is Biological Augmentation Beneficial? Int J Mol Sci 2021; 22:ijms222212566. [PMID: 34830448 PMCID: PMC8625610 DOI: 10.3390/ijms222212566] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 11/17/2021] [Accepted: 11/19/2021] [Indexed: 12/28/2022] Open
Abstract
Surgical reconstruction in anterior cruciate ligament (ACL) ruptures has proven to be a highly effective technique that usually provides satisfactory results. However, despite the majority of patients recovering their function after this procedure, ACL reconstruction (ACLR) is still imperfect. To improve these results, various biological augmentation (BA) techniques have been employed mostly in animal models. They include: (1) growth factors (bone morphogenetic protein, epidermal growth factor, granulocyte colony-stimulating factor, basic fibroblast growth factor, transforming growth factor-β, hepatocyte growth factor, vascular endothelial growth factor, and platelet concentrates such as platelet-rich plasma, fibrin clot, and autologous conditioned serum), (2) mesenchymal stem cells, (3) autologous tissue, (4) various pharmaceuticals (matrix metalloproteinase-inhibitor alpha-2-macroglobulin bisphosphonates), (5) biophysical/environmental methods (hyperbaric oxygen, low-intensity pulsed ultrasound, extracorporeal shockwave therapy), (6) biomaterials (fixation methods, biological coatings, biosynthetic bone substitutes, osteoconductive materials), and (7) gene therapy. All of them have shown good results in experimental studies; however, the clinical studies on BA published so far are highly heterogeneous and have a low degree of evidence. The most widely used technique to date is platelet-rich plasma. My position is that orthopedic surgeons must be very cautious when considering using PRP or other BA methods in ACLR.
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Affiliation(s)
- Emerito Carlos Rodríguez-Merchán
- Department of Orthopedic Surgery, La Paz University Hospital—IdiPaz, 28046 Madrid, Spain;
- Osteoarticular Surgery Research, Hospital La Paz Institute for Health Research—IdiPAZ (La Paz University Hospital—Autonomous University of Madrid), 28046 Madrid, Spain
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