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Hwang CD, Pagani CA, Nunez JH, Cherief M, Qin Q, Gomez-Salazar M, Kadaikal B, Kang H, Chowdary AR, Patel N, James AW, Levi B. Contemporary perspectives on heterotopic ossification. JCI Insight 2022; 7:158996. [PMID: 35866484 PMCID: PMC9431693 DOI: 10.1172/jci.insight.158996] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Heterotopic ossification (HO) is the formation of ectopic bone that is primarily genetically driven (fibrodysplasia ossificans progressiva [FOP]) or acquired in the setting of trauma (tHO). HO has undergone intense investigation, especially over the last 50 years, as awareness has increased around improving clinical technologies and incidence, such as with ongoing wartime conflicts. Current treatments for tHO and FOP remain prophylactic and include NSAIDs and glucocorticoids, respectively, whereas other proposed therapeutic modalities exhibit prohibitive risk profiles. Contemporary studies have elucidated mechanisms behind tHO and FOP and have described new distinct niches independent of inflammation that regulate ectopic bone formation. These investigations have propagated a paradigm shift in the approach to treatment and management of a historically difficult surgical problem, with ongoing clinical trials and promising new targets.
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Affiliation(s)
- Charles D Hwang
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Massachusetts General Hospital, Harvard University, Boston, Massachusetts, USA
| | - Chase A Pagani
- Department of Surgery, Center for Organogenesis Research and Trauma, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Johanna H Nunez
- Department of Surgery, Center for Organogenesis Research and Trauma, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Masnsen Cherief
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland, USA
| | - Qizhi Qin
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland, USA
| | | | - Balram Kadaikal
- Department of Surgery, Center for Organogenesis Research and Trauma, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Heeseog Kang
- Department of Surgery, Center for Organogenesis Research and Trauma, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Ashish R Chowdary
- Department of Surgery, Center for Organogenesis Research and Trauma, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Nicole Patel
- Division of Plastic and Reconstructive Surgery, Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
| | - Aaron W James
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland, USA
| | - Benjamin Levi
- Department of Surgery, Center for Organogenesis Research and Trauma, University of Texas Southwestern Medical Center, Dallas, Texas, USA
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2
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Prognostic Value of Bone Formation and Resorption Proteins in Heterotopic Ossification in Critically-Ill Patients. a Single-Centre Study. J Crit Care Med (Targu Mures) 2021; 7:37-45. [PMID: 34722902 PMCID: PMC8519375 DOI: 10.2478/jccm-2020-0046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 11/26/2020] [Indexed: 11/21/2022] Open
Abstract
Introduction A potential complication in critically ill patients is the formation of bone in soft tissues, termed heterotopic ossification. The exact pathogenetic mechanisms are still undetermined. Bone morphogenetic proteins induce bone formation, while signalling through the receptor activator of nuclear factor kappa-Β (RANK) and its ligand (RANKL), regulates osteoclast formation, activation, and survival in normal bone modelling and remodelling. Osteoprotegerin protects bone from excessive bone loss by blocking RANKL from binding to RANK. Aim The study aimed to investigate these molecules as potential prognostic biomarkers of heterotopic ossification development in critically ill patients. Materials and Methods In this prospective observational study, BMP-2, RANKL, and osteoprotegerin were measured by ELISA in twenty-eight critically-ill, initially non-septic patients, on admission to an ICU, seven days post-admission, and thirty days after ICU discharge. Results In the critically-ill cohort, nine of the twenty-eight patients developed heterotopic ossification up to the 30-day follow-up time-point. The patients who developed heterotopic ossification exhibited significantly reduced BMP-2 and RANKL levels on ICU admission, compared to patients who did not; Osteoprotegerin readings were similar in both groups. Conclusions Critically-ill patients who will subsequently develop heterotopic ossification, have significantly lower BMP-2 and RANKL levels at the time of ICU admission, suggesting that these proteins may be useful as prognostic markers for this debilitating condition.
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Kazezian Z, Bull AMJ. A review of the biomarkers and in vivo models for the diagnosis and treatment of heterotopic ossification following blast and trauma-induced injuries. Bone 2021; 143:115765. [PMID: 33285256 DOI: 10.1016/j.bone.2020.115765] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 10/29/2020] [Accepted: 11/18/2020] [Indexed: 12/29/2022]
Abstract
Heterotopic ossification (HO) is the process of de novo bone formation in non-osseous tissues. HO can occur following trauma and burns and over 60% of military personnel with blast-associated amputations develop HO. This rate is far higher than in other trauma-induced HO development. This suggests that the blast effect itself is a major contributing factor, but the pathway triggering HO following blast injury specifically is not yet fully identified. Also, because of the difficulty of studying the disease using clinical data, the only sources remain the relevant in vivo models. The aim of this paper is first to review the key biomarkers and signalling pathways identified in trauma and blast induced HO in order to summarize the molecular mechanisms underlying HO development, and second to review the blast injury in vivo models developed. The literature derived from trauma-induced HO suggests that inflammatory cytokines play a key role directing different progenitor cells to transform into an osteogenic class contributing to the development of the disease. This highlights the importance of identifying the downstream biomarkers under specific signalling pathways which might trigger similar stimuli in blast to those of trauma induced formation of ectopic bone in the tissues surrounding the site of the injury. The lack of information in the literature regarding the exact biomarkers leading to blast associated HO is hampering the design of specific therapeutics. The majority of existing blast injury in vivo models do not fully replicate the combat scenario in terms of blast, fracture and amputation; these three usually happen in one insult. Hence, this paper highlights the need to replicate the full effect of the blast in preclinical models to better understand the mechanism of blast induced HO development and to enable the design of a specific therapeutic to supress the formation of ectopic bone.
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Affiliation(s)
- Zepur Kazezian
- Centre for Blast Injury Studies, Department of Bioengineering, Imperial College London, Exhibition Road, London SW7 2AZ, United Kingdom.
| | - Anthony M J Bull
- Centre for Blast Injury Studies, Department of Bioengineering, Imperial College London, Exhibition Road, London SW7 2AZ, United Kingdom
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Strong AL, Spreadborough PJ, Dey D, Yang P, Li S, Lee A, Haskins RM, Grimm PD, Kumar R, Bradley MJ, Yu PB, Levi B, Davis TA. BMP Ligand Trap ALK3-Fc Attenuates Osteogenesis and Heterotopic Ossification in Blast-Related Lower Extremity Trauma. Stem Cells Dev 2021; 30:91-105. [PMID: 33256557 PMCID: PMC7826435 DOI: 10.1089/scd.2020.0162] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 11/25/2020] [Indexed: 01/05/2023] Open
Abstract
Traumatic heterotopic ossification (tHO) commonly develops in wounded service members who sustain high-energy and blast-related traumatic amputations. Currently, no safe and effective preventive measures have been identified for this patient population. Bone morphogenetic protein (BMP) signaling blockade has previously been shown to reduce ectopic bone formation in genetic models of HO. In this study, we demonstrate the efficacy of small-molecule inhibition with LDN193189 (ALK2/ALK3 inhibition), LDN212854 (ALK2-biased inhibition), and BMP ligand trap ALK3-Fc at inhibiting early and late osteogenic differentiation of tissue-resident mesenchymal progenitor cells (MPCs) harvested from mice subjected to burn/tenotomy, a well-characterized trauma-induced model of HO. Using an established rat tHO model of blast-related extremity trauma and methicillin-resistant Staphylococcus aureus infection, a significant decrease in ectopic bone volume was observed by micro-computed tomography imaging following treatment with LDN193189, LDN212854, and ALK3-Fc. The efficacy of LDN193189 and LDN212854 in this model was associated with weight loss (17%-19%) within the first two postoperative weeks, and in the case of LDN193189, delayed wound healing and metastatic infection was observed, while ALK3-Fc was well tolerated. At day 14 following injury, RNA-Seq and quantitative reverse transcriptase-polymerase chain reaction analysis revealed that ALK3-Fc enhanced the expression of skeletal muscle structural genes and myogenic transcriptional factors while inhibiting the expression of inflammatory genes. Tissue-resident MPCs harvested from rats treated with ALK3-Fc exhibited reduced osteogenic differentiation, proliferation, and self-renewal capacity and diminished expression of genes associated with endochondral ossification and SMAD-dependent signaling pathways. Together, these results confirm the contribution of BMP signaling in osteogenic differentiation and ectopic bone formation and that a selective ligand-trap approach such as ALK3-Fc may be an effective and tolerable prophylactic strategy for tHO.
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Affiliation(s)
- Amy L. Strong
- Division of Plastic Surgery, Department of Surgery, University of Michigan Health Systems, Ann Arbor, Michigan, USA
| | - Philip J. Spreadborough
- Regenerative Medicine Department, Naval Medical Research Center, Silver Spring, Maryland, USA
- Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | - Devaveena Dey
- Regenerative Medicine Department, Naval Medical Research Center, Silver Spring, Maryland, USA
- Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | - Peiran Yang
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Shuli Li
- Division of Plastic Surgery, Department of Surgery, University of Michigan Health Systems, Ann Arbor, Michigan, USA
| | - Arthur Lee
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland, USA
| | - Ryan M. Haskins
- Regenerative Medicine Department, Naval Medical Research Center, Silver Spring, Maryland, USA
| | - Patrick D. Grimm
- Regenerative Medicine Department, Naval Medical Research Center, Silver Spring, Maryland, USA
- Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | - Ravi Kumar
- Acceleron Pharma, Inc., Cambridge, Massachusetts, USA
| | - Matthew J. Bradley
- Regenerative Medicine Department, Naval Medical Research Center, Silver Spring, Maryland, USA
- Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | - Paul B. Yu
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Benjamin Levi
- Division of Plastic Surgery, Department of Surgery, University of Michigan Health Systems, Ann Arbor, Michigan, USA
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Thomas A. Davis
- Regenerative Medicine Department, Naval Medical Research Center, Silver Spring, Maryland, USA
- Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
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Cappato S, Gamberale R, Bocciardi R, Brunelli S. Genetic and Acquired Heterotopic Ossification: A Translational Tale of Mice and Men. Biomedicines 2020; 8:biomedicines8120611. [PMID: 33327623 PMCID: PMC7765130 DOI: 10.3390/biomedicines8120611] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 12/10/2020] [Accepted: 12/13/2020] [Indexed: 12/11/2022] Open
Abstract
Heterotopic ossification is defined as an aberrant formation of bone in extraskeletal soft tissue, for which both genetic and acquired conditions are known. This pathologic process may occur in many different sites such as the skin, subcutaneous tissue, skeletal muscle and fibrous tissue adjacent to joints, ligaments, walls of blood vessels, mesentery and other. The clinical spectrum of this disorder is wide: lesions may range from small foci of ossification to massive deposits of bone throughout the body, typical of the progressive genetically determined conditions such as fibrodysplasia ossificans progressiva, to mention one of the most severe and disabling forms. The ectopic bone formation may be regarded as a failed tissue repair process in response to a variety of triggers and evolving towards bone formation through a multistage differentiation program, with several steps common to different clinical presentations and distinctive features. In this review, we aim at providing a comprehensive view of the genetic and acquired heterotopic ossification disorders by detailing the clinical and molecular features underlying the different human conditions in comparison with the corresponding, currently available mouse models.
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Affiliation(s)
- Serena Cappato
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Sciences (DINOGMI), University of Genova, 16132 Genova, Italy;
| | - Riccardo Gamberale
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Milano, Italy; (R.G.); (S.B.)
| | - Renata Bocciardi
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Sciences (DINOGMI), University of Genova, 16132 Genova, Italy;
- UOC Genetica Medica, IRCCS Giannina Gaslini, 16147 Genova, Italy
- Correspondence:
| | - Silvia Brunelli
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Milano, Italy; (R.G.); (S.B.)
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Liu X, Liu M, Turner R, Iwaniec U, Kim H, Halloran B. Dried plum mitigates spinal cord injury-induced bone loss in mice. JOR Spine 2020; 3:e1113. [PMID: 33392451 PMCID: PMC7770201 DOI: 10.1002/jsp2.1113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 07/01/2020] [Accepted: 07/02/2020] [Indexed: 11/07/2022] Open
Abstract
Spinal cord injury (SCI) is accompanied by rapid loss of bone and increased risk of low impact fractures. Current pharmacological treatment approaches have proven to be relatively ineffective in preventing or treating bone loss after SCI. Dietary supplementation with dried plum (DP) has been shown to have dramatic effects on bone in various other disease models. In this study, we tested the efficacy of DP in preventing bone loss after SCI and restoring bone that has already been lost in response to SCI. Male C57BL/6J mice (3-month-old) underwent SCI and were fed a diet containing 25% DP by weight or a control diet for up to 4 weeks to assess whether DP can prevent bone loss. To determine whether DP could restore bone already lost due to SCI, mice were put on a control diet for 2 weeks (to allow bone loss) and then shifted to a DP supplemented diet for an additional 2 weeks. The skeletal responses to SCI and dietary supplementation with DP were assessed using microCT analysis, bone histomorphometry and strength testing. Dietary supplementation with DP completely prevented the loss of bone and bone strength induced by SCI in acutely injured mice. DP also could restore a fraction of the bone lost and attenuate the loss of bone strength after SCI. These results suggest that dietary supplementation with DP or factors derived from DP may prove to be an effective treatment for the loss of bone in patients with SCI.
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Affiliation(s)
- Xuhui Liu
- San Francisco Veterans Affairs Medical CenterDepartment of Veterans AffairsSan FranciscoCaliforniaUSA
- Department of Orthopedic SurgeryUniversity of California at San FranciscoSan FranciscoCaliforniaUSA
| | - Mengyao Liu
- San Francisco Veterans Affairs Medical CenterDepartment of Veterans AffairsSan FranciscoCaliforniaUSA
- Department of Orthopedic SurgeryUniversity of California at San FranciscoSan FranciscoCaliforniaUSA
| | - Russell Turner
- Skeletal Biology Laboratory, College of Public Health and Human ScienceOregon State UniversityCorvallisOregonUSA
| | - Urszula Iwaniec
- Skeletal Biology Laboratory, College of Public Health and Human ScienceOregon State UniversityCorvallisOregonUSA
| | - Hubert Kim
- San Francisco Veterans Affairs Medical CenterDepartment of Veterans AffairsSan FranciscoCaliforniaUSA
- Department of Orthopedic SurgeryUniversity of California at San FranciscoSan FranciscoCaliforniaUSA
| | - Bernard Halloran
- San Francisco Veterans Affairs Medical CenterDepartment of Veterans AffairsSan FranciscoCaliforniaUSA
- Department of MedicineUniversity of California at San FranciscoSan FranciscoCaliforniaUSA
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7
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Shi F, Gao J, Zou J, Ying Y, Lin H. Targeting heterotopic ossification by inhibiting activin receptor‑like kinase 2 function (Review). Mol Med Rep 2019; 20:2979-2989. [PMID: 31432174 PMCID: PMC6755183 DOI: 10.3892/mmr.2019.10556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 07/15/2019] [Indexed: 11/17/2022] Open
Abstract
Heterotopic ossification (HO) refers to the appearance of osteoblasts in soft tissues under pathological conditions, such as trauma or infection. HO arises in an unpredictable way without any recognizable initiation. Activin receptor-like kinase-2 (ALK2) is a type I cell surface receptor for bone morphogenetic proteins (BMPs). The dysregulation of ALK2 signaling is associated with a variety of diseases, including cancer and HO. At present, the prevention and treatment of HO in the clinic predominantly includes nonsteroidal anti-inflammatory drugs (NSAIDs), bisphosphonates and other drug treatments, low-dose local radiation therapy and surgical resection, rehabilitation treatment and physical therapy. However, most of these therapies have adverse effects. These methods do not prevent the occurrence of HO. The pathogenesis of HO is not being specifically targeted; the current treatment strategies target the symptoms, not the disease. These treatments also cannot solve the fundamental problem of the occurrence of HO. Therefore, scholars have been working to develop targeted therapies based on the pathogenesis of HO. The present review focuses on advances in the understanding of the underlying mechanisms of HO, and possible options for the prevention and treatment of HO. In addition, the role of ALK2 in the process of HO is introduced and the progress made towards the targeted inhibition of ALK2 is discussed. The present study aims to offer a platform for further research on possible targets for the prevention and treatment of HO.
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Affiliation(s)
- Fuli Shi
- Jiangxi Province Key Laboratory of Tumor Pathogens and Molecular Pathology, Department of Pathophysiology, School of Basic Medicine Sciences, Nanchang University Medical College, Nanchang, Jiangxi 330006, P.R. China
| | - Jiayu Gao
- Jiangxi Province Key Laboratory of Tumor Pathogens and Molecular Pathology, Department of Pathophysiology, School of Basic Medicine Sciences, Nanchang University Medical College, Nanchang, Jiangxi 330006, P.R. China
| | - Junrong Zou
- Jiangxi Province Key Laboratory of Tumor Pathogens and Molecular Pathology, Department of Pathophysiology, School of Basic Medicine Sciences, Nanchang University Medical College, Nanchang, Jiangxi 330006, P.R. China
| | - Ying Ying
- Jiangxi Province Key Laboratory of Tumor Pathogens and Molecular Pathology, Department of Pathophysiology, School of Basic Medicine Sciences, Nanchang University Medical College, Nanchang, Jiangxi 330006, P.R. China
| | - Hui Lin
- Jiangxi Province Key Laboratory of Tumor Pathogens and Molecular Pathology, Department of Pathophysiology, School of Basic Medicine Sciences, Nanchang University Medical College, Nanchang, Jiangxi 330006, P.R. China
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8
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Wu J, Ren B, Shi F, Hua P, Lin H. BMP and mTOR signaling in heterotopic ossification: Does their crosstalk provide therapeutic opportunities? J Cell Biochem 2019; 120:12108-12122. [PMID: 30989716 DOI: 10.1002/jcb.28710] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 03/17/2019] [Accepted: 03/22/2019] [Indexed: 12/23/2022]
Abstract
Heterotopic ossification (HO) refers to the pathological formation of ectopic bone in soft tissues, it occurs following severe trauma or in patients with a rare genetic disorder known as fibrodysplasia ossificans progressiva. The pathological process of HO formation is a two-step mechanism: inflammation and destruction of connective tissues, followed by bone formation. The latter is further subdivided into three stages: fibroproliferation/angiogenesis, chondrogenesis, and osteogenesis. Currently, therapeutic options for HO are limited. New potential therapeutics will most likely arise from a more detailed understanding of the signaling pathways implicated in each stage of ectopic bone formation and molecular targets that may be effective at both the early and late stages of HO. Bone morphogenetic protein (BMP) signaling is believed to play a key role in the overall HO process. Recently, the mammalian target of rapamycin (mTOR) signaling pathway has received attention as a critical pathway for chondrogenesis, osteogenesis, and HO. Inhibition of mTOR signaling has been shown to block trauma-induced and genetic HO. Intriguingly, recent studies have revealed crosstalk between mTOR and BMP signaling. Moreover, mTOR has emerged as a factor involved in the early hypoxic and inflammatory stages of HO. We will summarize the current knowledge of the roles of mTOR and BMP signaling in HO, with a particular focus on the crosstalk between mTOR and BMP signaling. We also discuss the activation of AMP activated protein kinase (AMPK) by the most widely used drug for type 2 diabetes, metformin, which exerts a dual negative regulatory effect on mTOR and BMP signaling, suggesting that metformin is a promising drug treatment for HO. The discovery of an mTOR-BMP signaling network may be a potential molecular mechanism of HO and may represent a novel therapeutic target for the pharmacological control of HO.
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Affiliation(s)
- Jianhui Wu
- Jiangxi Medical School, Nanchang University, Nanchang, Jiangx, China.,Nanchang Joint Programme, Queen Mary University of London, London, UK
| | - Bowen Ren
- Jiangxi Medical School, Nanchang University, Nanchang, Jiangx, China.,Nanchang Joint Programme, Queen Mary University of London, London, UK
| | - Fuli Shi
- Jiangxi Province Key Laboratory of Tumor Pathogens and Molecular Pathology and Department of Pathophysiology, School of Basic Medical Sciences, Nanchang University, Nanchang, Jiangxi, China
| | - Ping Hua
- Jiangxi Province Key Laboratory of Tumor Pathogens and Molecular Pathology and Department of Pathophysiology, School of Basic Medical Sciences, Nanchang University, Nanchang, Jiangxi, China
| | - Hui Lin
- Jiangxi Province Key Laboratory of Tumor Pathogens and Molecular Pathology and Department of Pathophysiology, School of Basic Medical Sciences, Nanchang University, Nanchang, Jiangxi, China
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Tuzmen C, Verdelis K, Weiss L, Campbell P. Crosstalk between substance P and calcitonin gene-related peptide during heterotopic ossification in murine Achilles tendon. J Orthop Res 2018; 36:1444-1455. [PMID: 29227562 PMCID: PMC6449576 DOI: 10.1002/jor.23833] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 12/04/2017] [Indexed: 02/04/2023]
Abstract
Heterotopic ossification (HO) is abnormal bone formation within soft tissue, usually predisposed by neurogenic or musculoskeletal trauma. Inflammation resulting from trauma is considered to be the main trigger for HO by eliciting changes within the injury site, including elevation of bone morphogenetic proteins (BMPs). Recent research, however, has also associated changes in sensory neuropeptide expression with HO. Substance P (SP) and calcitonin gene-related peptide (CGRP) are two of those neuropeptides that have been implicated with various aspects of HO, including regulation of inflammation and BMP signaling. Despite discoveries associating SP and CGRP with soft tissue HO, it remains unclear whether SP and CGRP have a direct role in the induction of HO. Here, we investigated the effect of SP and CGRP in vivo with the aid of inkjet-based biopatterning technology to controllably deliver these neuropeptides onto a murine Achilles tendon. While we did not observe any significant effect with CGRP, SP alone promoted HO in vivo with increased expression of BMP2. Remarkably, when SP and CGRP were delivered together, CGRP counteracted the effect of SP and essentially blocked SP-induced HO. This report contributes to the understanding of the complex problem of HO pathophysiology and warrants more study to better elucidate the interplay between SP and CGRP in the induction of HO. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:1444-1455, 2018.
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Affiliation(s)
- Ceren Tuzmen
- Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, Pennsylvania
| | - Kostas Verdelis
- Center for Craniofacial Regeneration, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Lee Weiss
- Robotics Institute, Carnegie Mellon University, Pittsburgh, Pennsylvania,Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania,McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Phil Campbell
- Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, Pennsylvania,Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania,McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania,Engineering Research Accelerator, Carnegie Mellon University, Pittsburgh, Pennsylvania
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Tecilla M, Bielli M, Savarino P, Roccabianca P. MESENTERIC HETEROTOPIC OSSIFICANS IN A FERRET ( MUSTELA PUTORIUS FURO ): A RARE CAUSE OF SOFT TISSUE OSSIFICATION. J Exot Pet Med 2018. [DOI: 10.1053/j.jepm.2018.02.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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11
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Kan C, Chen L, Hu Y, Ding N, Lu H, Li Y, Kessler JA, Kan L. Conserved signaling pathways underlying heterotopic ossification. Bone 2018; 109:43-48. [PMID: 28455214 PMCID: PMC5801212 DOI: 10.1016/j.bone.2017.04.014] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Revised: 04/17/2017] [Accepted: 04/24/2017] [Indexed: 02/06/2023]
Abstract
Heterotopic ossification (HO), a serious disorder of extra-skeletal bone formation, occurs as a common complication of trauma or in rare genetic disorders. Many conserved signaling pathways have been implicated in HO; however, the exact underlying molecular mechanisms for many forms of HO are still unclear. The emerging picture is that dysregulation of bone morphogenetic protein (BMP) signaling plays a central role in the process, but that other conserved signaling pathways, such as Hedgehog (HH), Wnt/β-catenin and Fibroblast growth factors (FGF), are also involved, either through cross-talk with BMP signaling or through other independent mechanisms. Deep understanding of the conserved signaling pathways is necessary for the effective prevention and treatment of HO. In this review, we update and integrate recent progress in this area. Hopefully, our discussion will point to novel promising, druggable loci for further translational research and successful clinical applications.
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Affiliation(s)
- Chen Kan
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China
| | - Lijun Chen
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China
| | - Yangyang Hu
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China
| | - Na Ding
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China
| | - Haimei Lu
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China
| | - Yuyun Li
- Department of Medical Laboratory Science, Bengbu Medical College, Bengbu 233030, China
| | - John A Kessler
- Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Lixin Kan
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China; Department of Medical Laboratory Science, Bengbu Medical College, Bengbu 233030, China; Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA.
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12
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Debaud C, Salga M, Begot L, Holy X, Chedik M, de l’Escalopier N, Torossian F, Levesque JP, Lataillade JJ, Le Bousse-Kerdilès MC, Genêt F. Peripheral denervation participates in heterotopic ossification in a spinal cord injury model. PLoS One 2017; 12:e0182454. [PMID: 28854256 PMCID: PMC5576715 DOI: 10.1371/journal.pone.0182454] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 07/18/2017] [Indexed: 12/26/2022] Open
Abstract
We previously reported the development of a new acquired neurogenic HO (NHO) mouse model, combining spinal cord transection (SCI) and chemical muscle injury. Pathological mechanisms responsible for ectopic osteogenesis after central neurological damage are still to be elucidated. In this study, we first hypothesized that peripheral nervous system (PNS) might convey pathological signals from injured spinal cord to muscles in NHO mouse model. Secondly, we sought to determine whether SCI could lead to intramuscular modifications of BMP2 signaling pathways. Twenty one C57Bl6 mice were included in this protocol. Bilateral cardiotoxin (CTX) injection in hamstring muscles was associated with a two-stage surgical procedure, combining thoracic SCI with unilateral peripheral denervation. Volumes of HO (Bone Volume, BV) were measured 28 days after surgery using micro-computed tomography imaging techniques and histological analyses were made to confirm intramuscular osteogenesis. Volume comparisons were conducted between right and left hind limb of each animal, using a Wilcoxon signed rank test. Quantitative polymerase chain reaction (qPCR) was performed to explore intra muscular expression of BMP2, Alk3 and Id1. Nineteen mice survive the complete SCI and peripheral denervation procedure. When CTX injections were done right after surgery (n = 7), bilateral HO were detected in all animals after 28 days. Micro-CT measurements showed significantly increased BV in denervated paws (1.47 mm3 +/- 0.5) compared to contralateral sides (0.56 mm3 +/-0.4), p = 0.03. When peripheral denervation and CTX injections were performed after sham SCI surgery (n = 6), bilateral HO were present in three mice at day 28. Quantitative PCR analyses showed no changes in intra muscular BMP2 expression after SCI as compared to control mice (shamSCI). Peripheral denervation can be reliably added to spinal cord transection in NHO mouse model. This new experimental design confirms that neuro inflammatory mechanisms induced by central or peripheral nervous system injury plays a key role in triggering ectopic osteogenesis.
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Affiliation(s)
- Charlotte Debaud
- Spine Division Orthopaedic Surgery Department, Hôpital Européen Georges Pompidou, APHP, Paris, France
- University of Versailles Saint Quentin en Yvelines, U1179 INSERM, UFR des Sciences de la Santé – Simone Veil, Montigny-le-Bretonneux, France
- * E-mail:
| | - Marjorie Salga
- University of Versailles Saint Quentin en Yvelines, U1179 INSERM, UFR des Sciences de la Santé – Simone Veil, Montigny-le-Bretonneux, France
- Rehabilitation Service, Hôpital Raymond Poincaré, APHP, CIC-IT 1429, Garches, France
| | - Laurent Begot
- Institut de Recherche Biomédicale des Armées, Brétigny-sur-Orge, France
| | - Xavier Holy
- Institut de Recherche Biomédicale des Armées, Brétigny-sur-Orge, France
| | - Malha Chedik
- University of Versailles Saint Quentin en Yvelines, U1179 INSERM, UFR des Sciences de la Santé – Simone Veil, Montigny-le-Bretonneux, France
| | | | - Fréderic Torossian
- University of Paris-Sud, INSERM UMR-S/MD 1197, Hôpital Paul Brousse, APHP, Villejuif, France
| | - Jean-Pierre Levesque
- Blood and Bone Diseases Program, Mater Research Institute, University of Queensland, Woolloongabba and School of Medicine, University of Queensland, Herston, Queensland, Australia
| | - Jean-Jacques Lataillade
- University of Paris-Sud, Unité mixte Inserm/SSA 1197, IRBA/CTSA/HIA Percy, École du Val de Grâce, Clamart, France
| | | | - François Genêt
- University of Versailles Saint Quentin en Yvelines, U1179 INSERM, UFR des Sciences de la Santé – Simone Veil, Montigny-le-Bretonneux, France
- Rehabilitation Service, Hôpital Raymond Poincaré, APHP, CIC-IT 1429, Garches, France
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13
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The traumatic bone: trauma-induced heterotopic ossification. Transl Res 2017; 186:95-111. [PMID: 28668522 PMCID: PMC6715128 DOI: 10.1016/j.trsl.2017.06.004] [Citation(s) in RCA: 91] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Revised: 05/22/2017] [Accepted: 06/08/2017] [Indexed: 01/08/2023]
Abstract
Heterotopic ossification (HO) is a common occurrence after multiple forms of extensive trauma. These include arthroplasties, traumatic brain and spinal cord injuries, extensive burns in the civilian setting, and combat-related extremity injuries in the battlefield. Irrespective of the form of trauma, heterotopic bone is typically endochondral in structure and is laid down via a cartilaginous matrix. Once formed, the heterotopic bone typically needs to be excised surgically, which may result in wound healing complications, in addition to a risk of recurrence. Refinements of existing diagnostic modalities, like micro- and nano-CT are being adapted toward early intervention. Trauma-induced HO is a consequence of aberrant wound healing, systemic and local immune system activation, infections, extensive vascularization, and innervation. This intricate molecular crosstalk culminates in activation of stem cells that initiate heterotopic endochondral ossification. Development of animal models recapitulating the unique traumatic injuries has greatly facilitated the mechanistic understanding of trauma-induced HO. These same models also serve as powerful tools to test the efficacy of small molecules which specifically target the molecular pathways underlying ectopic ossification. This review summarizes the recent advances in the molecular understanding, diagnostic and treatment modalities in the field of trauma-induced HO.
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