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Zhang J, Sun J, Chen D, Kang J, Peng C, Chang X, Zhou H. Suppression of matrix degradation and amelioration of disc degeneration by a 970-nm diode laser via inhibition of the p38 MAPK pathway in a rabbit model. Lasers Med Sci 2023; 38:58. [PMID: 36717466 DOI: 10.1007/s10103-023-03717-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 01/16/2023] [Indexed: 02/01/2023]
Abstract
Intervertebral disc degeneration (IVDD) mainly manifests as an imbalance between the synthesis and degradation of cellular and extracellular matrix (ECM) components. The cytokine interleukin (IL)-1β-induced inflammatory response of intervertebral discs causes ECM degradation. The aim of this study was to investigate the effects of a 970-nm diode laser therapy (DLT) on inflammatory cytokine IL-1β and ECM degradation proteinases in nucleus pulposus (NP) tissues in a puncture-induced rabbit IVDD model. Thirty-six New Zealand white rabbits were randomly divided into six groups: the normal group, IVDD group, laser group, sham laser group, IVDD + anisomycin (p38MAPK signaling pathway agonist), and laser + anisomycin group. Effects of laser on IVDD progression were detected using radiographic and magnetic resonance imaging. Hematoxylin and eosin, Alcian blue, safranin O-fast green staining, western blotting, and immunohistochemistry staining were performed for the histological analysis and molecular mechanism underlying protection against puncture-induced matrix degradation in NP tissues by DLT. DLT reduced the degree of disc degeneration in the gross anatomy of the disc and increased the T2-weighted signal intensity of NP. Inflammatory cytokine IL-1β levels in the disc were significantly reduced after DLT suppressed the matrix-degrading proteinases MMP13 and ADAMTS-5 and upregulated the protein expression of collagen II and aggrecan. Moreover, it inhibited the p38MAPK signaling pathway in NP tissues in a puncture-induced rabbit IVDD model. DLT reduced puncture-induced overexpression of inflammatory cytokines, mainly IL-1β, thus inhibiting matrix degeneration of NP tissues and ameliorating IVDD. This may be related to inhibition of the p38 MAPK signaling pathway.
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Affiliation(s)
- Jingyue Zhang
- Department of Pain Management, the Fourth Affiliated Hospital of Harbin Medical University, No.37, Yiyuan Street, Nangang District, Harbin, Heilongjiang Province, 150001, China
- Department of Pain Management, the First Affiliated Hospital of Harbin Medical University, No.25 Post Office Street, Nangang District, Harbin, Heilongjiang Province, 150001, China
- NHC Key Laboratory of Molecular Probes and Targeted Diagnosis and Therapy, Harbin Medical University, Harbin, 150001, China
| | - Juan Sun
- Department of Pain Management, the Fourth Affiliated Hospital of Harbin Medical University, No.37, Yiyuan Street, Nangang District, Harbin, Heilongjiang Province, 150001, China
- NHC Key Laboratory of Molecular Probes and Targeted Diagnosis and Therapy, Harbin Medical University, Harbin, 150001, China
- Department of Anesthesiology, Chongqing Public Health Medical Center, Chongqing, 400036, China
| | - Dezhi Chen
- Department of Pain Management, the Fourth Affiliated Hospital of Harbin Medical University, No.37, Yiyuan Street, Nangang District, Harbin, Heilongjiang Province, 150001, China
- NHC Key Laboratory of Molecular Probes and Targeted Diagnosis and Therapy, Harbin Medical University, Harbin, 150001, China
| | - Jiyu Kang
- Department of Pain Management, the Fourth Affiliated Hospital of Harbin Medical University, No.37, Yiyuan Street, Nangang District, Harbin, Heilongjiang Province, 150001, China
- NHC Key Laboratory of Molecular Probes and Targeted Diagnosis and Therapy, Harbin Medical University, Harbin, 150001, China
| | - Chuan Peng
- Department of Pain Management, the Fourth Affiliated Hospital of Harbin Medical University, No.37, Yiyuan Street, Nangang District, Harbin, Heilongjiang Province, 150001, China
- NHC Key Laboratory of Molecular Probes and Targeted Diagnosis and Therapy, Harbin Medical University, Harbin, 150001, China
| | - Xiaotao Chang
- Department of Pain Management, the Fourth Affiliated Hospital of Harbin Medical University, No.37, Yiyuan Street, Nangang District, Harbin, Heilongjiang Province, 150001, China
- NHC Key Laboratory of Molecular Probes and Targeted Diagnosis and Therapy, Harbin Medical University, Harbin, 150001, China
| | - Huacheng Zhou
- Department of Pain Management, the Fourth Affiliated Hospital of Harbin Medical University, No.37, Yiyuan Street, Nangang District, Harbin, Heilongjiang Province, 150001, China.
- NHC Key Laboratory of Molecular Probes and Targeted Diagnosis and Therapy, Harbin Medical University, Harbin, 150001, China.
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Xin L, Xu W, Wang J, Yu F, Fan S, Xu X, Yang Y. Proteoglycan-depleted regions of annular injury promote nerve ingrowth in a rabbit disc degeneration model. Open Med (Wars) 2021; 16:1616-1627. [PMID: 34761113 PMCID: PMC8565593 DOI: 10.1515/med-2021-0363] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 07/30/2021] [Accepted: 08/23/2021] [Indexed: 11/20/2022] Open
Abstract
Background To assess the effects of proteoglycan-depleted regions of annular disruptions on nerve ingrowth in the injury site in vivo. Methods New Zealand white rabbits (n = 18) received annular injuries at L3/4, L4/5, and L5/6. The experimental discs were randomly assigned to four groups: (a) an annular defect was created; (b) an annular defect implanted with a poly lactic-co-glycolic acid (PLGA)/fibrin/PBS plug; (c) an annular defect implanted with a PLGA/fibrin/chondroitinase ABC (chABC) plug; and (d) an uninjured L2/3 disc (control). Disc degeneration was evaluated by radiography, MRI, histology, and analysis of the proteoglycan (PG) content. Immunohistochemical detection of nerve fibers and chondroitin sulfate (CS) was performed. Results The injured discs produced progressive and reliable disc degeneration. In the defective discs, the lamellated appearance of AF (Annulus fibrosus) was replaced by extensive fibrocartilaginous-like tissue formation outside the injured sites. In contrast, newly formed tissue was distributed along small fissures, and small blood vessels appeared in the outer part of the disrupted area in the PLGA/fibrin/PBS discs. More sprouting nerve fibers grew further into the depleted annulus regions in the PLGA/fibrin/chABC discs than in the control discs and those receiving PLGA/fibrin/PBS. In addition, the innervation scores of the PLGA/fibrin/chABC discs were significantly increased compared with those of the PLGA/fibrin/PBS discs and defected discs. Conclusion ChABC-based PLGA/fibrin gel showed promising results by achieving biointegration with native annulus tissue and providing a local source for the sustained release of active chABC. Disc-derived PG-mediated inhibition of nerve and blood vessel ingrowth was abrogated by chABC enzymatic deglycosylation in an annular-injured rabbit disc degeneration model.
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Affiliation(s)
- Long Xin
- Department of Spine Surgery, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang Province, China
| | - Weixin Xu
- Department of Spine Surgery, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang Province, China
| | - Jian Wang
- Department of Spine Surgery, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang Province, China
| | - Fang Yu
- Department of Spine Surgery, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang Province, China
| | - Shunwu Fan
- Department of Spine Surgery, The Affiliated Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou 310020, Zhejiang Province, China
| | - Xinwei Xu
- Department of Spine Surgery, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang Province, China
| | - Yang Yang
- Department of Spine Surgery, Tongde Hospital of Zhejiang Province, No. 234 Gucui Road, Hangzhou 310012, Zhejiang Province, China
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Wang Y, Kang J, Guo X, Zhu D, Liu M, Yang L, Zhang G, Kang X. Intervertebral Disc Degeneration Models for Pathophysiology and Regenerative Therapy -Benefits and Limitations. J INVEST SURG 2021; 35:935-952. [PMID: 34309468 DOI: 10.1080/08941939.2021.1953640] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Aim:This review summarized the recent intervertebral disc degeneration (IDD) models and described their advantages and potential disadvantages, aiming to provide an overview for the current condition of IDD model establishment and new ideas for new strategies development of the treatment and prevention of IDD.Methods:The database of PubMed was searched up to May 2021 with the following search terms: nucleus pulposus, annulus fibrosus, cartilage endplate, intervertebral disc(IVD), intervertebral disc degeneration, animal model, organ culture, bioreactor, inflammatory reaction, mechanical stress, pathophysiology, epidemiology. Any IDD model-related articles were collected and summarized.Results:The best IDD model should have the features of repeatability, measurability and controllability. There are a lot of aspects to be considered in the selection of animals. Mice, rats and rabbits are low-cost and easy to access. However, their IVD size and shape are more different from human anatomy than pigs, cattle, sheep and goats. Organ culture models and animal models are two options in model establishment for IDD. The IVD organ culture model can put the studying variables into the controllable system for transitional research. Unlike the animal model, the organ culture model can only be used to evaluate the short-term effects and it is not applicable in simulating the complex process of IDD. Similarly, the animal models induced by different methods also have their advantages and disadvantages. For studying the mechanism of IDD and the corresponding treatment and prevention strategies, the selection of model should be individualized based on the purpose of each study.Conclusions:Various models have different characteristics and scope of application due to their different rationales and methods of construction. Currently, there is no experimental model that can perfectly mimic the degenerative process of human IVD. Personalized selection of appropriate model based on study purpose and experimental designing can enhance the possibility to obtain reliable and real results.
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Affiliation(s)
- Yidian Wang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, P.R. China
| | - Jihe Kang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, P.R. China
| | - Xudong Guo
- The Second Clinical Medical College, Lanzhou University, Lanzhou, P.R. China
| | - Daxue Zhu
- The Second Clinical Medical College, Lanzhou University, Lanzhou, P.R. China
| | - Mingqiang Liu
- The Second Clinical Medical College, Lanzhou University, Lanzhou, P.R. China
| | - Liang Yang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, P.R. China
| | - Guangzhi Zhang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, P.R. China
| | - Xuewen Kang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, P.R. China.,Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, P.R. China.,The International Cooperation Base of Gansu Province for The Pain Research in Spinal Disorders, Gansu, P.R. China
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Peng Y, Qing X, Shu H, Tian S, Yang W, Chen S, Lin H, Lv X, Zhao L, Chen X, Pu F, Huang D, Cao X, Shao Z, Yp, Zs, Xc, Yp, Yp, Xq, Hs, St, Wy, Yp, Xq, Hs, St, Hl, Xl, Lz, Xc, Fp, Sc, Yp, Xq, Hs, St, Yp, Xq, Wy, Hl, Xl, Lz, Xc, Fp, Sc, Hdh, Wy, Hl, Xl, Lz, Xc, Fp, Sc, Hdh, Zs, Xc. Proper animal experimental designs for preclinical research of biomaterials for intervertebral disc regeneration. BIOMATERIALS TRANSLATIONAL 2021; 2:91-142. [PMID: 35836965 PMCID: PMC9255780 DOI: 10.12336/biomatertransl.2021.02.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 06/09/2021] [Indexed: 01/17/2023]
Abstract
Low back pain is a vital musculoskeletal disease that impairs life quality, leads to disability and imposes heavy economic burden on the society, while it is greatly attributed to intervertebral disc degeneration (IDD). However, the existing treatments, such as medicines, chiropractic adjustments and surgery, cannot achieve ideal disc regeneration. Therefore, advanced bioactive therapies are implemented, including stem cells delivery, bioreagents administration, and implantation of biomaterials etc. Among these researches, few reported unsatisfying regenerative outcomes. However, these advanced therapies have barely achieved successful clinical translation. The main reason for the inconsistency between satisfying preclinical results and poor clinical translation may largely rely on the animal models that cannot actually simulate the human disc degeneration. The inappropriate animal model also leads to difficulties in comparing the efficacies among biomaterials in different reaches. Therefore, animal models that better simulate the clinical charateristics of human IDD should be acknowledged. In addition, in vivo regenerative outcomes should be carefully evaluated to obtain robust results. Nevertheless, many researches neglect certain critical characteristics, such as adhesive properties for biomaterials blocking annulus fibrosus defects and hyperalgesia that is closely related to the clinical manifestations, e.g., low back pain. Herein, in this review, we summarized the animal models established for IDD, and highlighted the proper models and parameters that may result in acknowledged IDD models. Then, we discussed the existing biomaterials for disc regeneration and the characteristics that should be considered for regenerating different parts of discs. Finally, well-established assays and parameters for in vivo disc regeneration are explored.
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Affiliation(s)
- Yizhong Peng
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Xiangcheng Qing
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Hongyang Shu
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China,Hubei Key Laboratory of Genetics and Molecular Mechanism of Cardiologic Disorders, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Shuo Tian
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Wenbo Yang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Songfeng Chen
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Hui Lin
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Xiao Lv
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Lei Zhao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Xi Chen
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Feifei Pu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Donghua Huang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Xu Cao
- Department of Orthopaedic Surgery, Institute for Cell Engineering, Johns Hopkins University, Baltimore, MD, USA,Corresponding authors: Zengwu Shao, ; Xu Cao,
| | - Zengwu Shao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China,Corresponding authors: Zengwu Shao, ; Xu Cao,
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Gluais M, Clouet J, Fusellier M, Decante C, Moraru C, Dutilleul M, Veziers J, Lesoeur J, Dumas D, Abadie J, Hamel A, Bord E, Chew SY, Guicheux J, Le Visage C. In vitro and in vivo evaluation of an electrospun-aligned microfibrous implant for Annulus fibrosus repair. Biomaterials 2019; 205:81-93. [PMID: 30909111 DOI: 10.1016/j.biomaterials.2019.03.010] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 02/21/2019] [Accepted: 03/11/2019] [Indexed: 12/29/2022]
Abstract
Annulus fibrosus (AF) impairment is associated with reherniation, discogenic pain, and disc degeneration after surgical partial discectomy. Due to a limited intrinsic healing capacity, defects in the AF persist over time and it is hence necessary to adopt an appropriate strategy to close and repair the damaged AF. In this study, a cell-free biodegradable scaffold made of polycaprolactone (PCL), electrospun, aligned microfibers exhibited high levels of cell colonization, alignment, and AF-like extracellular matrix deposition when evaluated in an explant culture model. The biomimetic multilayer fibrous scaffold was then assessed in an ovine model of AF impairment. After 4 weeks, no dislocation of the implants was detected, and only one sample out of six showed a partial delamination. Histological and immunohistochemical analyses revealed integration of the implant with the surrounding tissue as well as homogeneously aligned collagen fiber organization within each lamella compared to the disorganized and scarcer fibrous tissue in a randomly organized control fibrous scaffold. In conclusion, this biomimetic electrospun implant exhibited promising properties in terms of AF defect closure, with AF-like neotissue formation that fully integrated with the surrounding ovine tissue.
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Affiliation(s)
- Maude Gluais
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, Université de Nantes, ONIRIS, Nantes, F-44042, France; Université de Nantes, UFR Odontologie, Nantes, F-44042, France
| | - Johann Clouet
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, Université de Nantes, ONIRIS, Nantes, F-44042, France; Université de Nantes, UFR Odontologie, Nantes, F-44042, France; CHU Nantes, Pharmacie Centrale, PHU 11, Nantes, F-44093, France; Université de Nantes, UFR Sciences Biologiques et Pharmaceutiques, Nantes, F-44035, France
| | - Marion Fusellier
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, Université de Nantes, ONIRIS, Nantes, F-44042, France; Department of Diagnostic Imaging, CRIP, ONIRIS, College of Veterinary Medicine, Food Science and Engineering, Nantes, F-44307, France
| | - Cyrille Decante
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, Université de Nantes, ONIRIS, Nantes, F-44042, France; CHU Nantes, Service de Chirurgie Infantile, PHU5, Nantes, F-44093, France
| | - Constantin Moraru
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, Université de Nantes, ONIRIS, Nantes, F-44042, France; CHU Nantes, Service de Neurotraumatologie, PHU4 OTONN, Nantes, F-44093, France
| | - Maeva Dutilleul
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, Université de Nantes, ONIRIS, Nantes, F-44042, France; Université de Nantes, UFR Odontologie, Nantes, F-44042, France; INSERM, UMS 016, CNRS 3556, Structure Fédérative de Recherche François Bonamy, SC3M Facility, CHU Nantes, Université de Nantes, Nantes, F-44042, France
| | - Joëlle Veziers
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, Université de Nantes, ONIRIS, Nantes, F-44042, France; Université de Nantes, UFR Odontologie, Nantes, F-44042, France; INSERM, UMS 016, CNRS 3556, Structure Fédérative de Recherche François Bonamy, SC3M Facility, CHU Nantes, Université de Nantes, Nantes, F-44042, France; CHU Nantes, PHU4 OTONN, Nantes, F-44093, France
| | - Julie Lesoeur
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, Université de Nantes, ONIRIS, Nantes, F-44042, France; Université de Nantes, UFR Odontologie, Nantes, F-44042, France; INSERM, UMS 016, CNRS 3556, Structure Fédérative de Recherche François Bonamy, SC3M Facility, CHU Nantes, Université de Nantes, Nantes, F-44042, France
| | - Dominique Dumas
- Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), UMR 7365 CNRS - Université de Lorraine, Vandœuvre-lès-Nancy, F54505, France; UMS2008 IBSLor - CNRS-UL-INSERM Plateforme d'Imagerie et de Biophysique Cellulaire PTIBC-IBISA, Vandœuvre-lès-Nancy, F54505, France
| | - Jérôme Abadie
- Animal Cancers as Models for Research in Comparative Oncology (AMaROC), ONIRIS, College of Veterinary Medicine, Food Science and Engineering, Nantes, F-44307, France
| | - Antoine Hamel
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, Université de Nantes, ONIRIS, Nantes, F-44042, France; CHU Nantes, Service de Chirurgie Infantile, PHU5, Nantes, F-44093, France
| | - Eric Bord
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, Université de Nantes, ONIRIS, Nantes, F-44042, France; CHU Nantes, Service de Neurotraumatologie, PHU4 OTONN, Nantes, F-44093, France
| | - Sing Yian Chew
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 637459, Singapore; Lee Kong Chian School of Medicine, Nanyang Technological University, 308232, Singapore
| | - Jérôme Guicheux
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, Université de Nantes, ONIRIS, Nantes, F-44042, France; Université de Nantes, UFR Odontologie, Nantes, F-44042, France; CHU Nantes, PHU4 OTONN, Nantes, F-44093, France
| | - Catherine Le Visage
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, Université de Nantes, ONIRIS, Nantes, F-44042, France; Université de Nantes, UFR Odontologie, Nantes, F-44042, France.
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MiR-532 downregulation of the Wnt/β-catenin signaling via targeting Bcl-9 and induced human intervertebral disc nucleus pulposus cells apoptosis. J Pharmacol Sci 2018; 138:263-270. [DOI: 10.1016/j.jphs.2018.10.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 09/20/2018] [Accepted: 10/04/2018] [Indexed: 12/20/2022] Open
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Thorpe AA, Bach FC, Tryfonidou MA, Le Maitre CL, Mwale F, Diwan AD, Ito K. Leaping the hurdles in developing regenerative treatments for the intervertebral disc from preclinical to clinical. JOR Spine 2018; 1:e1027. [PMID: 31463447 PMCID: PMC6686834 DOI: 10.1002/jsp2.1027] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 06/07/2018] [Accepted: 06/28/2018] [Indexed: 12/11/2022] Open
Abstract
Chronic back and neck pain is a prevalent disability, often caused by degeneration of the intervertebral disc. Because current treatments for this condition are less than satisfactory, a great deal of effort is being applied to develop new solutions, including regenerative strategies. However, the path from initial promising idea to clinical use is fraught with many hurdles to overcome. Many of the keys to success are not necessarily linked to science or innovation. Successful translation to clinic will also rely on planning and awareness of the hurdles. It will be essential to plan your entire path to clinic from the outset and to do this with a multidisciplinary team. Take advice early on regulatory aspects and focus on generating the proof required to satisfy regulatory approval. Scientific demonstration and societal benefits are important, but translation cannot occur without involving commercial parties, which are instrumental to support expensive clinical trials. This will only be possible when intellectual property can be protected sufficiently to support a business model. In this manner, commercial, societal, medical, and scientific partners can work together to ultimately improve patient health. Based on literature surveys and experiences of the co-authors, this opinion paper presents this pathway, highlights the most prominent issues and hopefully will aid in your own translational endeavors.
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Affiliation(s)
- Abbey A. Thorpe
- Biomolecular Sciences Research CentreSheffield Hallam UniversitySheffieldUK
| | - Frances C. Bach
- Department of Clinical Sciences of Companion Animals, Faculty of Veterinary MedicineUtrecht UniversityUtrechtthe Netherlands
| | - Marianna A. Tryfonidou
- Department of Clinical Sciences of Companion Animals, Faculty of Veterinary MedicineUtrecht UniversityUtrechtthe Netherlands
| | | | - Fackson Mwale
- Department of SurgeryMcGill UniversityMontrealCanada
| | - Ashish D. Diwan
- Spine Service, Department of Orthopaedic SurgerySt. George & Sutherland Clinical School, University of New South WalesSydneyAustralia
| | - Keita Ito
- Orthopaedic Biomechanics Division, Department of Biomedical EngineeringEindhoven University of TechnologyEindhoventhe Netherlands
- Department of OrthopedicsUniversity Medical Centre UtrechtUtrechtthe Netherlands
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Henry N, Clouet J, Fragale A, Griveau L, Chédeville C, Véziers J, Weiss P, Le Bideau J, Guicheux J, Le Visage C. Pullulan microbeads/Si-HPMC hydrogel injectable system for the sustained delivery of GDF-5 and TGF-β1: new insight into intervertebral disc regenerative medicine. Drug Deliv 2017; 24:999-1010. [PMID: 28645219 PMCID: PMC8241148 DOI: 10.1080/10717544.2017.1340362] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 05/31/2017] [Accepted: 06/06/2017] [Indexed: 12/16/2022] Open
Abstract
Discogenic low back pain is considered a major health concern and no etiological treatments are today available to tackle this disease. To clinically address this issue at early stages, there is a rising interest in the stimulation of local cells by in situ injection of growth factors targeting intervertebral disc (IVD) degenerative process. Despite encouraging safety and tolerability results in clinic, growth factors efficacy may be further improved. To this end, the use of a delivery system allowing a sustained release, while protecting growth factors from degradation appears of particular interest. We propose herein the design of a new injectable biphasic system, based on the association of pullulan microbeads (PMBs) into a cellulose-based hydrogel (Si-HPMC), for the TGF-β1 and GDF-5 growth factors sustained delivery. We present for the first time the design and mechanical characterization of both the PMBs and the called biphasic system (PMBs/Si-HPMC). Their loading and release capacities were also studied and we were able to demonstrate a sustained release of both growth factors, for up to 28 days. Noteworthy, the growth factors biological activity on human cells was maintained. Altogether, these data suggest that this PMBs/Si-HPMC biphasic system may be a promising candidate for the development of an innovative bioactive delivery system for IVD regenerative medicine.
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Affiliation(s)
- Nina Henry
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team STEP “Skeletal Physiopathology and Joint Regenerative Medicine”, Nantes, France
- Institut des Matériaux Jean Rouxel (IMN), Université de Nantes, CNRS, Nantes, France
- UFR Odontologie, Université de Nantes, Nantes, France
| | - Johann Clouet
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team STEP “Skeletal Physiopathology and Joint Regenerative Medicine”, Nantes, France
- UFR Odontologie, Université de Nantes, Nantes, France
- CHU Nantes, PHU 11 Pharmacie, Pharmacie Centrale, Nantes, France
- UFR Sciences Biologiques et Pharmaceutiques, Université de Nantes, Nantes, France
| | - Audrey Fragale
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team STEP “Skeletal Physiopathology and Joint Regenerative Medicine”, Nantes, France
- UFR Odontologie, Université de Nantes, Nantes, France
| | - Louise Griveau
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team STEP “Skeletal Physiopathology and Joint Regenerative Medicine”, Nantes, France
| | - Claire Chédeville
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team STEP “Skeletal Physiopathology and Joint Regenerative Medicine”, Nantes, France
| | - Joëlle Véziers
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team STEP “Skeletal Physiopathology and Joint Regenerative Medicine”, Nantes, France
- UFR Odontologie, Université de Nantes, Nantes, France
- SC3M platform, UMS INSERM 016/CNRS 3556, SFR François Bonamy, Nantes, France
- CHU Nantes, PHU 4 OTONN, Nantes, France
| | - Pierre Weiss
- UFR Odontologie, Université de Nantes, Nantes, France
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team REGOS “Regenerative Medicine of Bone Tissues”, Nantes, France
| | - Jean Le Bideau
- Institut des Matériaux Jean Rouxel (IMN), Université de Nantes, CNRS, Nantes, France
| | - Jérôme Guicheux
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team STEP “Skeletal Physiopathology and Joint Regenerative Medicine”, Nantes, France
- UFR Odontologie, Université de Nantes, Nantes, France
- CHU Nantes, PHU 4 OTONN, Nantes, France
| | - Catherine Le Visage
- INSERM, UMRS 1229, RMeS “Regenerative Medicine and Skeleton”, Team STEP “Skeletal Physiopathology and Joint Regenerative Medicine”, Nantes, France
- UFR Odontologie, Université de Nantes, Nantes, France
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Le Fournier L, Fusellier M, Halgand B, Lesoeur J, Gauthier O, Menei P, Montero-Menei C, Guicheux J, Clouet J. The transpedicular surgical approach for the development of intervertebral disc targeting regenerative strategies in an ovine model. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2017; 26:2072-2083. [DOI: 10.1007/s00586-017-5199-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Revised: 04/24/2017] [Accepted: 06/16/2017] [Indexed: 12/29/2022]
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10
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Wang S, Liu C, Sun Z, Yan P, Liang H, Huang K, Li C, Tian J. IL-1β increases asporin expression via the NF-κB p65 pathway in nucleus pulposus cells during intervertebral disc degeneration. Sci Rep 2017. [PMID: 28646230 PMCID: PMC5482889 DOI: 10.1038/s41598-017-04384-3] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Disc degeneration (DD) is a multifaceted chronic process that alters the structure and function of intervertebral discs. The pathophysiology of degeneration is not completely understood, but the consensus is that changes in genes encoding extracellular matrix (ECM) proteins in the disc are the leading factors contributing to DD. Asporin is an ECM protein that has been shown to be increased in degenerated intervertebral discs, but little is known about how asporin is regulated during DD. In exploring the intricate mechanism, we confirmed that asporin was abundantly increased in patients’ degenerated nucleus pulposus. Consistently, the increased asporin expression with degeneration was also proved by rabbit intervertebral disc degeneration (IDD) model. Mechanistically, IL-1β upregulated asporin expression by activating the p65 pathway in human nucleus pulposus cells. Furthermore, p65 mediated asporin expression by binding to −41/−31 bp on asporin promoter. Functionally, asporin was the intermediator of IL-1β-inhibited aggrecan and collagen Π expression and played a negative role in TGF-β-induced aggrecan and collagen Π formation in human nucleus pulposus cells. Therefore, identifying asporin as a negative regulator of aggrecan and collagen Π and elucidating its induction mechanisms in human nucleus pulposus cells provides new insight for asporin induction during IDD.
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Affiliation(s)
- Shengjie Wang
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100, Haining Road, Shanghai, 200080, People's Republic of China
| | - Chao Liu
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100, Haining Road, Shanghai, 200080, People's Republic of China
| | - Zhongyi Sun
- Department of Orthopedics, Songjiang District Central Hospital of Shanghai, 746, middle-Zhongshan Road, Shanghai, 201600, People's Republic of China
| | - Peng Yan
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100, Haining Road, Shanghai, 200080, People's Republic of China
| | - He Liang
- Department of Orthopedics, Songjiang District Central Hospital of Shanghai, 746, middle-Zhongshan Road, Shanghai, 201600, People's Republic of China
| | - Kai Huang
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100, Haining Road, Shanghai, 200080, People's Republic of China
| | - Changwei Li
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases with Integrated Chinese-Western Medicine, Shanghai Institute of Traumatology and Orthopedics, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, People's Republic of China.
| | - Jiwei Tian
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100, Haining Road, Shanghai, 200080, People's Republic of China.
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