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Wang W, Zhou Z, Ding T, Feng S, Liu H, Liu M, Ge S. Capsaicin attenuates Porphyromonas gingivalis-suppressed osteogenesis of periodontal ligament stem cells via regulating mitochondrial function and activating PI3K/AKT/mTOR pathway. J Periodontal Res 2024. [PMID: 38699845 DOI: 10.1111/jre.13252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 02/04/2024] [Accepted: 02/16/2024] [Indexed: 05/05/2024]
Abstract
BACKGROUND AND OBJECTIVE Prevention of periodontal bone resorption triggered by Porphyromonas gingivalis (P. gingivalis) is crucial for dental stability. Capsaicin, known as the pungent ingredient of chili peppers, can activate key signaling molecules involved in osteogenic process. However, the effect of capsaicin on osteogenesis of periodontal ligament stem cells (PDLSCs) under inflammation remains elusive. METHODS P. gingivalis culture suspension was added to mimic the inflammatory status after capsaicin pretreatment. The effects of capsaicin on the osteogenesis of PDLSCs, as well as mitochondrial morphology, Ca2+ level, reactive oxygen species (ROS), mitochondrial membrane potential (MMP), and osteogenesis-regulated protein expression levels were analyzed. Furthermore, a mouse experimental periodontitis model was established to evaluate the effect of capsaicin on alveolar bone resorption and the expression of osteogenesis-related proteins. RESULTS Under P. gingivalis stimulation, capsaicin increased osteogenesis of PDLSCs. Not surprisingly, capsaicin rescued the damage to mitochondrial morphology, decreased the concentration of intracellular Ca2+ and ROS, enhanced MMP and activated phosphatidylinositol 3-kinase (PI3K)/protein kinase B (AKT)/mammalian target of rapamycin (mTOR) pathway. The in vivo results showed that capsaicin significantly attenuated alveolar bone loss and augmented the expression of bone associated proteins. CONCLUSION Capsaicin increases osteogenesis of PDLSCs under inflammation and reduces alveolar bone resorption in mouse experimental periodontitis.
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Affiliation(s)
- Weijia Wang
- Department of Periodontology & Endodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, Shandong, China
| | - Zhiyan Zhou
- Department of Periodontology & Endodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, Shandong, China
| | - Tian Ding
- Department of Periodontology & Endodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, Shandong, China
| | - Susu Feng
- Department of Periodontology & Endodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, Shandong, China
| | - Hongrui Liu
- Department of Periodontology & Endodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, Shandong, China
| | - Mengmeng Liu
- Department of Periodontology & Endodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, Shandong, China
| | - Shaohua Ge
- Department of Periodontology & Endodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, Shandong, China
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Murugesu S, Jones BP, Serhal P, Ben-Nagi J. Successful preimplantation genetic testing for fibrodysplasia ossificans progressiva: a case report. J Med Case Rep 2024; 18:227. [PMID: 38664849 PMCID: PMC11046953 DOI: 10.1186/s13256-024-04504-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Accepted: 03/10/2024] [Indexed: 04/28/2024] Open
Abstract
PURPOSE OF THE STUDY Fibrodysplasia ossificans progressiva (FOP) is a rare autosomal dominant condition that leads to significant disability and morbidity, characterised by the formation of heterotopic hard tissues within connective tissues. The condition has an incidence of approximately one per two million people worldwide. There is no known single effective treatment available for FOP. We report the world's first case of a healthy infant born following in vitro fertilisation (IVF) and preimplantation genetic testing for monogenic disorder (PGT-M) using Karyomapping for FOP. CASE PRESENTATION A 30-year-old Caucasian female with FOP presented with her partner seeking IVF with PGT-M to achieve a healthy pregnancy with an embryo unaffected by FOP. METHODS The couple underwent IVF and PGT-M using Karyomapping as the testing method. A multi-disciplinary team approach was utilised in planning this case, considering the additional risks of oocyte retrieval, pregnancy and childbirth in women with FOP. MAIN FINDINGS The oocyte retrieval was covered with a 5-day course of prednisolone to reduce the risk of a localised inflammatory reaction, which could result in subsequent heterotopic ossification. This was subsequently weaned down with reducing doses every two days. The patient underwent uncomplicated oocyte retrieval, yielding 12 mature oocytes. Following intracytoplasmic sperm injection (ICSI), ten zygotes having two pro-nuclei were cultured, and six underwent trophoectoderm biopsy and vitrification 5-6 days after retrieval. PGT-M via Karyomapping revealed four out of six (66.7%) of blastocysts were not carriers of the maternal high-risk FOP allele. In total, the patient had three separate embryo transfers. Pregnancy was achieved following the third frozen embryo transfer, which went to 37 weeks' gestation, and delivered by Caesarean section. The baby was born in excellent condition and is unaffected by FOP. CONCLUSION IVF/ICSI and PGT-M using Karyomapping was successfully implemented to identify embryos carrying the high-risk FOP allele resulting in a healthy livebirth.
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Affiliation(s)
- Sughashini Murugesu
- Queen Charlotte's and Chelsea Hospital, Imperial College NHS Trust, Du Cane Road, London, W12 0HS, UK.
- Department of Surgery and Cancer, Imperial College London, London, W12 0NN, UK.
| | - Benjamin P Jones
- Queen Charlotte's and Chelsea Hospital, Imperial College NHS Trust, Du Cane Road, London, W12 0HS, UK
- Department of Surgery and Cancer, Imperial College London, London, W12 0NN, UK
| | - Paul Serhal
- Centre for Reproductive and Genetic Health, 230-232 Great Portland Street, London, W1W 5QS, UK
| | - Jara Ben-Nagi
- Centre for Reproductive and Genetic Health, 230-232 Great Portland Street, London, W1W 5QS, UK
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3
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Prodoehl JA, Bakaes Y, Tucker M, Voss F. Off-label: The results of adjunctive bone morphogenetic protein for challenging femur fractures; a review of two cases. Trauma Case Rep 2024; 50:100979. [PMID: 38357291 PMCID: PMC10863425 DOI: 10.1016/j.tcr.2024.100979] [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] [Accepted: 01/31/2024] [Indexed: 02/16/2024] Open
Abstract
Background Although bone morphogenetic proteins (BMPs) are used as an adjunct to promote healing, they may have unintended effects such as heterotopic ossification (HO). The literature is limited regarding the effect of using off-label BMPs for femur fractures. Case presentation We report two outcomes after off-label use of BMPs for the treatment of femur fractures and propose a possible explanation for the difference. Conclusions BMPs are critical osteoinductive factors in injured bone and muscle that facilitate bony healing. However, it may be important to recognize the potentially negative effects of adding BMP to bone graft material in certain cases to stimulate bone repair. We hope this case series helps surgeons consider the risks and benefits of using BMP for femur fractures, and therefore to decide with caution when BMP is indicated.
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Affiliation(s)
- Julia Anne Prodoehl
- Prisma Health Midlands Department of Orthopaedic Surgery, 2 Medical Park Rd, Columbia, SC 29203, United States of America
| | - Yianni Bakaes
- University of South Carolina School of Medicine Columbia, 2 Medical Park Rd, Columbia, SC 29203, United States of America
| | - Michael Tucker
- Prisma Health Midlands Department of Orthopaedic Surgery, 2 Medical Park Rd, Columbia, SC 29203, United States of America
| | - Frank Voss
- Medical University of South Carolina Department of Orthopaedic Surgery, 135 Rutledge Ave., Charleston, SC 29425, United States of America
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4
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Liu F, Zhao Y, Pei Y, Lian F, Lin H. Role of the NF-kB signalling pathway in heterotopic ossification: biological and therapeutic significance. Cell Commun Signal 2024; 22:159. [PMID: 38439078 PMCID: PMC10910758 DOI: 10.1186/s12964-024-01533-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Accepted: 02/13/2024] [Indexed: 03/06/2024] Open
Abstract
Heterotopic ossification (HO) is a pathological process in which ectopic bone develops in soft tissues within the skeletal system. Endochondral ossification can be divided into the following types of acquired and inherited ossification: traumatic HO (tHO) and fibrodysplasia ossificans progressiva (FOP). Nuclear transcription factor kappa B (NF-κB) signalling is essential during HO. NF-κB signalling can drive initial inflammation through interactions with the NOD-like receptor protein 3 (NLRP3) inflammasome, Sirtuin 1 (SIRT1) and AMP-activated protein kinase (AMPK). In the chondrogenesis stage, NF-κB signalling can promote chondrogenesis through interactions with mechanistic target of rapamycin (mTOR), phosphatidylinositol-3-kinase (PI3K)/AKT (protein kinase B, PKB) and other molecules, including R-spondin 2 (Rspo2) and SRY-box 9 (Sox9). NF-κB expression can modulate osteoblast differentiation by upregulating secreted protein acidic and rich in cysteine (SPARC) and interacting with mTOR signalling, bone morphogenetic protein (BMP) signalling or integrin-mediated signalling under stretch stimulation in the final osteogenic stage. In FOP, mutated ACVR1-induced NF-κB signalling exacerbates inflammation in macrophages and can promote chondrogenesis and osteogenesis in mesenchymal stem cells (MSCs) through interactions with smad signalling and mTOR signalling. This review summarizes the molecular mechanism of NF-κB signalling during HO and highlights potential therapeutics for treating HO.
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Affiliation(s)
- Fangzhou Liu
- Department of Pathophysiology, School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China
- Queen Mary School, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Yike Zhao
- Department of Pathophysiology, School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China
- Queen Mary School, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Yiran Pei
- Department of Pathophysiology, School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China
- Queen Mary School, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Fengyu Lian
- Department of Pathophysiology, School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China
- Queen Mary School, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, 330006, China
| | - Hui Lin
- Department of Pathophysiology, School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China.
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Wang H, Kaplan FS, Pignolo RJ. The HIF-1α and mTOR Pathways Amplify Heterotopic Ossification. Biomolecules 2024; 14:147. [PMID: 38397384 PMCID: PMC10887042 DOI: 10.3390/biom14020147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/16/2024] [Accepted: 01/23/2024] [Indexed: 02/25/2024] Open
Abstract
Fibrodysplasia ossificans progressiva (FOP; MIM# 135100) is an ultra-rare congenital disorder caused by gain-of-function point mutations in the Activin receptor A type I (ACVR1, also known as ALK2) gene. FOP is characterized by episodic heterotopic ossification (HO) in skeletal muscles, tendons, ligaments, or other soft tissues that progressively causes irreversible loss of mobility. FOP mutations cause mild ligand-independent constitutive activation as well as ligand-dependent bone morphogenetic protein (BMP) pathway hypersensitivity of mutant ACVR1. BMP signaling is also a key pathway for mediating acquired HO. However, HO is a highly complex biological process involving multiple interacting signaling pathways. Among them, the hypoxia-inducible factor (HIF) and mechanistic target of rapamycin (mTOR) pathways are intimately involved in both genetic and acquired HO formation. HIF-1α inhibition or mTOR inhibition reduces HO formation in mouse models of FOP or acquired HO in part by de-amplifying the BMP pathway signaling. Here, we review the recent progress on the mechanisms of the HIF-1α and mTOR pathways in the amplification of HO lesions and discuss the future directions and strategies to translate the targeting of HIF-1α and the mTOR pathways into clinical interventions for FOP and other forms of HO.
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Affiliation(s)
- Haitao Wang
- Department of Medicine, Geriatric Medicine & Gerontology, Mayo Clinic, Rochester, MN 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - Frederick S. Kaplan
- Department of Orthopaedic Surgery, The Perelman School of Medicine of the University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Medicine, The Perelman School of Medicine of the University of Pennsylvania, Philadelphia, PA 19104, USA
- The Center for Research in FOP and Related Disorders, The Perelman School of Medicine of the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Robert J. Pignolo
- Department of Medicine, Geriatric Medicine & Gerontology, Mayo Clinic, Rochester, MN 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
- Department of Medicine, Divisions of Endocrinology, Hospital Internal Medicine, Rochester, MN 55905, USA
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Mierzejewski B, Pulik Ł, Grabowska I, Sibilska A, Ciemerych MA, Łęgosz P, Brzoska E. Coding and noncoding RNA profile of human heterotopic ossifications - Risk factors and biomarkers. Bone 2023; 176:116883. [PMID: 37597797 DOI: 10.1016/j.bone.2023.116883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/08/2023] [Accepted: 08/16/2023] [Indexed: 08/21/2023]
Abstract
Heterotopic ossification (HO) means the formation of bone in muscles and soft tissues, such as ligaments or tendons. HO could have a genetic history or develop after a traumatic event, as a result of muscle injury, fractures, burns, surgery, or neurological disorders. Many lines of evidence suggest that the formation of HO is related to the pathological differentiation of stem or progenitor cells present within soft tissues or mobilized from the bone marrow. The cells responsible for the initiation and progression of HO are generally called HO precursor cells. The exact mechanisms behind the development of HO are not fully understood. However, several factors have been identified as potential contributors. For example, local tissue injury and inflammation disturb soft tissue homeostasis. Inflammatory cells release growth factors and cytokines that promote osteogenic or chondrogenic differentiation of HO precursor cells. The bone morphogenetic protein (BMP) is one of the main factors involved in the development of HO. In this study, next-generation sequencing (NGS) and RT-qPCR were performed to analyze the differences in mRNA, miRNA, and lncRNA expression profiles between muscles, control bone samples, and HO samples coming from patients who underwent total hip replacement (THR). As a result, crucial changes in the level of gene expression between HO and healthy tissues were identified. The bioinformatic analysis allowed to describe the processes most severely impacted, as well as genes which level differed the most significantly between HO and control samples. Our analysis showed that the level of transcripts involved in leukocyte migration, differentiation, and activation, as well as markers of chronic inflammatory diseases, that is, miR-148, increased in HO, as compared to muscle. Furthermore, the levels of miR-195 and miR-143, which are involved in angiogenesis, were up-regulated in HO, as compared to bone. Thus, we suggested that inflammation and angiogenesis play an important role in HO formation. Importantly, we noticed that HO is characterized by a higher level of TLR3 expression, compared to muscle and bone. Thus, we suggest that infection may also be a risk factor in HO development. Furthermore, an increased level of transcripts coding proteins involved in osteogenesis and signaling pathways, such as ALPL, SP7, BGLAP, BMP8A, BMP8B, SMPD3 was noticed in HO, as compared to muscles. Interestingly, miR-99b, miR-146, miR-204, and LINC00320 were up-regulated in HO, comparing to muscles and bone. Therefore, we suggested that these molecules could be important biomarkers of HO formation and a potential target for therapies.
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Affiliation(s)
- Bartosz Mierzejewski
- Department of Cytology, Faculty of Biology, University of Warsaw, Miecznikowa 1 St, 02-096 Warsaw, Poland
| | - Łukasz Pulik
- Department of Orthopedics and Traumatology, Medical University of Warsaw, Lindley 4 St, 02-005 Warsaw, Poland
| | - Iwona Grabowska
- Department of Cytology, Faculty of Biology, University of Warsaw, Miecznikowa 1 St, 02-096 Warsaw, Poland
| | - Aleksandra Sibilska
- Department of Orthopedics and Traumatology, Medical University of Warsaw, Lindley 4 St, 02-005 Warsaw, Poland
| | - Maria Anna Ciemerych
- Department of Cytology, Faculty of Biology, University of Warsaw, Miecznikowa 1 St, 02-096 Warsaw, Poland
| | - Paweł Łęgosz
- Department of Orthopedics and Traumatology, Medical University of Warsaw, Lindley 4 St, 02-005 Warsaw, Poland.
| | - Edyta Brzoska
- Department of Cytology, Faculty of Biology, University of Warsaw, Miecznikowa 1 St, 02-096 Warsaw, Poland.
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Yang J, Zhang X, Lu B, Mei J, Xu L, Zhang X, Su Z, Xu W, Fang S, Zhu C, Xu D, Zhu W. Inflammation-Responsive Hydrogel Spray for Synergistic Prevention of Traumatic Heterotopic Ossification via Dual-Homeostatic Modulation Strategy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2302905. [PMID: 37635177 PMCID: PMC10602522 DOI: 10.1002/advs.202302905] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 07/31/2023] [Indexed: 08/29/2023]
Abstract
Traumatic heterotopic ossification (THO) represents one of the most prominent contributors to post-traumatic joint dysfunction, which currently lacks an effective and definitive preventative approach. Inflammatory activation due to immune dyshomeostasis during the early stages of trauma is believed to be critical in initiating the THO disease process. This study proposes a dual-homeostatic modulation (DHM) strategy to synergistically prevent THO without compromising normal trauma repair by maintaining immune homeostasis and inducing stem cell homeostasis. A methacrylate-hyaluronic acid-based hydrogel spray device encapsulating a curcumin-loaded zeolitic imidazolate framework-8@ceric oxide (ZIF-8@CeO2, CZC) nanoparticles (CZCH) is designed. Photo-crosslinked CZCH is used to form hydrogel films fleetly in periosteal soft tissues to achieve sustained curcumin and CeO2 nanoparticles release in response to acidity and reactive oxygen species (ROS) in the inflammatory microenvironment. In vitro experiments and RNA-seq results demonstrated that CZCH achieved dual-homeostatic regulation of inflammatory macrophages and stem cells through immune repolarization and enhanced efferocytosis, maintaining immune cell homeostasis and normal differentiation. These findings of the DHM strategy are also validated by establishing THO mice and rat models. In conclusion, the CZCH hydrogel spray developed based on the DHM strategy enables synergistic THO prevention, providing a reference for a standard procedure of clinical operations.
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Affiliation(s)
- Jiazhao Yang
- Department of OrthopedicsThe First Affiliated Hospital of USTCUniversity of Science and Technology of ChinaHefeiAnhui230001P. R. China
| | - Xudong Zhang
- Department of OrthopedicsThe First Affiliated Hospital of USTCUniversity of Science and Technology of ChinaHefeiAnhui230001P. R. China
| | - Baoliang Lu
- Department of OrthopedicsThe First Affiliated Hospital of USTCUniversity of Science and Technology of ChinaHefeiAnhui230001P. R. China
| | - Jiawei Mei
- Department of OrthopedicsThe First Affiliated Hospital of USTCUniversity of Science and Technology of ChinaHefeiAnhui230001P. R. China
| | - Lei Xu
- Department of OrthopedicsThe First Affiliated Hospital of USTCUniversity of Science and Technology of ChinaHefeiAnhui230001P. R. China
| | - Xianzuo Zhang
- Department of OrthopedicsThe First Affiliated Hospital of USTCUniversity of Science and Technology of ChinaHefeiAnhui230001P. R. China
| | - Zheng Su
- Department of OrthopedicsThe First Affiliated Hospital of USTCUniversity of Science and Technology of ChinaHefeiAnhui230001P. R. China
| | - Wei Xu
- Department of OrthopedicsThe First Affiliated Hospital of USTCUniversity of Science and Technology of ChinaHefeiAnhui230001P. R. China
| | - Shiyuan Fang
- Department of OrthopedicsThe First Affiliated Hospital of USTCUniversity of Science and Technology of ChinaHefeiAnhui230001P. R. China
| | - Chen Zhu
- Department of OrthopedicsThe First Affiliated Hospital of USTCUniversity of Science and Technology of ChinaHefeiAnhui230001P. R. China
| | - Dongdong Xu
- Department of OrthopedicsShanghai Jiao Tong University Affiliated Sixth People's HospitalShanghai Jiao Tong UniversityShanghai200233P. R. China
| | - Wanbo Zhu
- Department of OrthopedicsShanghai Jiao Tong University Affiliated Sixth People's HospitalShanghai Jiao Tong UniversityShanghai200233P. R. China
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Kesavan C, Gomez GA, Pourteymoor S, Mohan S. Development of an Animal Model for Traumatic Brain Injury Augmentation of Heterotopic Ossification in Response to Local Injury. Biomedicines 2023; 11:943. [PMID: 36979922 PMCID: PMC10046150 DOI: 10.3390/biomedicines11030943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/09/2023] [Accepted: 03/13/2023] [Indexed: 03/22/2023] Open
Abstract
Heterotopic ossification (HO) is the abnormal growth of bone in soft connective tissues that occurs as a frequent complication in individuals with traumatic brain injury (TBI) and in rare genetic disorders. Therefore, understanding the mechanisms behind ectopic bone formation in response to TBI is likely to have a significant impact on identification of novel therapeutic targets for HO treatment. In this study, we induced repetitive mild TBI (mTBI) using a weight drop model in mice and then stimulated HO formation via a local injury to the Achilles tendon or fibula. The amount of ectopic bone, as evaluated by micro-CT analyses, was increased by four-fold in the injured leg of mTBI mice compared to control mice. However, there was no evidence of HO formation in the uninjured leg of mTBI mice. Since tissue injury leads to the activation of hypoxia signaling, which is known to promote endochondral ossification, we evaluated the effect of IOX2, a chemical inhibitor of PHD2 and a known inducer of hypoxia signaling on HO development in response to fibular injury. IOX2 treatment increased HO volume by five-fold compared to vehicle. Since pericytes located in the endothelium of microvascular capillaries are known to function as multipotent tissue-resident progenitors, we determined if activation of hypoxia signaling promotes pericyte recruitment at the injury site. We found that markers of pericytes, NG2 and PDGFRβ, were abundantly expressed at the site of injury in IOX2 treated mice. Treatment of pericytes with IOX2 for 72 h stimulated expression of targets of hypoxia signaling (Vegf and Epo), as well as markers of chondrocyte differentiation (Col2α1 and Col10α1). Furthermore, serum collected from TBI mice was more effective in promoting the proliferation and differentiation of pericytes than control mouse serum. In conclusion, our data show that the hypoxic state at the injury site in soft tissues of TBI mice provides an environment leading to increased accumulation and activation of pericytes to form endochondral bone.
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Affiliation(s)
- Chandrasekhar Kesavan
- Musculoskeletal Disease Center, VA Loma Linda Healthcare System, Loma Linda, CA 92357, USA
- Department of Medicine, Loma Linda University, Loma Linda, CA 92354, USA
| | - Gustavo A. Gomez
- Musculoskeletal Disease Center, VA Loma Linda Healthcare System, Loma Linda, CA 92357, USA
| | - Sheila Pourteymoor
- Musculoskeletal Disease Center, VA Loma Linda Healthcare System, Loma Linda, CA 92357, USA
| | - Subburaman Mohan
- Musculoskeletal Disease Center, VA Loma Linda Healthcare System, Loma Linda, CA 92357, USA
- Department of Medicine, Loma Linda University, Loma Linda, CA 92354, USA
- Orthopedic Surgery, Loma Linda University, Loma Linda, CA 92354, USA
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9
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Pulik Ł, Mierzejewski B, Sibilska A, Grabowska I, Ciemerych MA, Łęgosz P, Brzóska E. The role of miRNA and lncRNA in heterotopic ossification pathogenesis. Stem Cell Res Ther 2022; 13:523. [PMID: 36522666 PMCID: PMC9753082 DOI: 10.1186/s13287-022-03213-3] [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: 05/18/2022] [Accepted: 12/06/2022] [Indexed: 12/23/2022] Open
Abstract
Heterotopic ossification (HO) is the formation of bone in non-osseous tissues, such as skeletal muscles. The HO could have a genetic or a non-genetic (acquired) background, that is, it could be caused by musculoskeletal trauma, such as burns, fractures, joint arthroplasty (traumatic HO), or cerebral or spinal insult (neurogenetic HO). HO formation is caused by the differentiation of stem or progenitor cells induced by local or systemic imbalances. The main factors described so far in HO induction are TGFβ1, BMPs, activin A, oncostatin M, substance P, neurotrophin-3, and WNT. In addition, dysregulation of noncoding RNAs, such as microRNA or long noncoding RNA, homeostasis may play an important role in the development of HO. For example, decreased expression of miRNA-630, which is responsible for the endothelial-mesenchymal transition, was observed in HO patients. The reduced level of miRNA-421 in patients with humeral fracture was shown to be associated with overexpression of BMP2 and a higher rate of HO occurrence. Down-regulation of miRNA-203 increased the expression of runt-related transcription factor 2 (RUNX2), a crucial regulator of osteoblast differentiation. Thus, understanding the various functions of noncoding RNAs can reveal potential targets for the prevention or treatment of HO.
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Affiliation(s)
- Łukasz Pulik
- Department of Orthopaedics and Traumatology, Medical University of Warsaw, Lindley 4 St, 02-005, Warsaw, Poland.
| | - Bartosz Mierzejewski
- Department of Cytology, Faculty of Biology, University of Warsaw, Miecznikowa 1 St, 02-096, Warsaw, Poland
| | - Aleksandra Sibilska
- Department of Orthopaedics and Traumatology, Medical University of Warsaw, Lindley 4 St, 02-005, Warsaw, Poland
| | - Iwona Grabowska
- Department of Cytology, Faculty of Biology, University of Warsaw, Miecznikowa 1 St, 02-096, Warsaw, Poland
| | - Maria Anna Ciemerych
- Department of Cytology, Faculty of Biology, University of Warsaw, Miecznikowa 1 St, 02-096, Warsaw, Poland
| | - Paweł Łęgosz
- Department of Orthopaedics and Traumatology, Medical University of Warsaw, Lindley 4 St, 02-005, Warsaw, Poland
| | - Edyta Brzóska
- Department of Cytology, Faculty of Biology, University of Warsaw, Miecznikowa 1 St, 02-096, Warsaw, Poland
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Huang J, Liu D, Zhang J, Xiao H. A Network Pharmacology Study: Reveal the Mechanisms of Palovarotene Against Heterotopic Ossification. Front Med (Lausanne) 2022; 9:897392. [PMID: 35646981 PMCID: PMC9136101 DOI: 10.3389/fmed.2022.897392] [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: 03/16/2022] [Accepted: 04/14/2022] [Indexed: 11/30/2022] Open
Abstract
Heterotopic ossification (HO) occurs when bone forms within non-ossifying tissues, such as in muscle. Palovarotene, an activator of retinoic acid receptor γ (RAR-γ), has been shown to inhibit the formation of ectopic bone in HO model mice, but its specific mechanism of action remains unclear. This study will explore the target and molecular mechanism of Palovarotene's action on HO by network pharmacology study. We collected the relevant targets of Palovarotene and HO from the database, obtained the potential targets of Palovarotene acting on HO through Venn analysis, and constructed the protein-protein interaction (PPI) network. Then, Gene Ontology (GO) and KEGG (Kyoto Encyclopedia of Genes and Genomes) enrichment Analysis and Module-based Network Analysis were performed for potential targets, and in addition, PPI Network Topology Analysis and Gene-Phenotype Correlation Analysis were performed. The results suggested that MAPK1, MDM2, and other targets as well as P53 signaling pathway and PI3K–Akt signaling pathway may be closely related to Palovarotene treatment of HO. We carried out verification experiments to confirm our finding, alkaline phosphatase and alizarin red staining in vitro and Micro-CT as well as hematoxylin-eosin staining in vivo were performed to verify treatment for HO of Palovarotene, reverse transcription polymerase chain reaction was also used to explore the transcription changes of MAPK1, MDM2, and osteogenic genes. This study systematically elucidated the possible mechanism of Palovarotene in the treatment of HO through network pharmacology study, revealing a new direction for the further application of Palovarotene in the treatment of HO.
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Affiliation(s)
- Junchao Huang
- Department of Orthopedics, Shanghai Fenxian District Central Hospital/Anhui University of Science and Technology Affiliated Fengxian Hospital, Shanghai, China
| | - Dachuan Liu
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Jingwei Zhang
- Department of Orthopedics, Shanghai Fenxian District Central Hospital/Anhui University of Science and Technology Affiliated Fengxian Hospital, Shanghai, China
| | - Haijun Xiao
- Department of Orthopedics, Shanghai Fenxian District Central Hospital/Anhui University of Science and Technology Affiliated Fengxian Hospital, Shanghai, China
- *Correspondence: Haijun Xiao
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11
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Liao Y, Fang Y, Zhu H, Huang Y, Zou G, Dai B, Rausch MA, Shi B. Concentrated Growth Factors Promote hBMSCs Osteogenic Differentiation in a Co-Culture System With HUVECs. Front Bioeng Biotechnol 2022; 10:837295. [PMID: 35387306 PMCID: PMC8979293 DOI: 10.3389/fbioe.2022.837295] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 02/09/2022] [Indexed: 01/01/2023] Open
Abstract
Osteogenesis is a complex physiologic process that occurs during bone regeneration. This process requires several growth factors that act on bone marrow-derived mesenchymal stem cells (BMSCs). Concentrated growth factor (CGF) is a new-generation platelet-rich derivative that is an appealing autologous material for application in tissue repair and bone regenerative medicine because it contains a variety of fibrin and growth factors. In this study, the effects of CGF on the proliferation and osteogenic differentiation of hBMSCs and human umbilical vein endothelial cells (HUVECs) were explored with in vitro cell co-culture experiments. HBMSCs and HUVECs were directly co-cultured at the ratio of 1:2 under different concentrations (0, 2, 5, 10, 20%) of CGF for 7 days. Alkaline phosphatase (ALP) staining and quantitative reverse transcription polymerase chain reaction were used to detect the effects of CGF on the expression of osteogenic genes (ALP, osteocalcin [OCN], type I collagen [COL-1], Runt-related transcription factor 2 [RUNX2]) and connexin 43 (CX43). RNA sequencing was used to explore potential regulated genes and signaling pathways that affect the osteogenesis of co-cultured hBMSCs exposed to CGF. The results showed higher expressions of ALP, COL-1, RUNX2, OCN, and CX43 in the direct co-culture group containing 10% CGF compared to the direct co-culture group without CGF and the indirect co-culture group. In summary, 10% CGF can significantly promote osteogenesis in hBMSCs directly co-cultured with HUVECs. Intercellular communication between the direct co-culture of hBMSCs and HUVECs through CX43 may be one of the main regulatory mechanisms.
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Affiliation(s)
- Yunyang Liao
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Laboratory of Facial Plastic and Reconstruction, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Oral Diseases, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, China
| | - Youran Fang
- Fujian Key Laboratory of Oral Diseases, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, China
| | - Hanghang Zhu
- Fujian Key Laboratory of Oral Diseases, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, China
| | - Yue Huang
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Laboratory of Facial Plastic and Reconstruction, Fujian Medical University, Fuzhou, China
| | - Gengsen Zou
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Laboratory of Facial Plastic and Reconstruction, Fujian Medical University, Fuzhou, China
| | - Bowen Dai
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Laboratory of Facial Plastic and Reconstruction, Fujian Medical University, Fuzhou, China
| | - Macro Aoqi Rausch
- Division of Orthodontics, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
- *Correspondence: Macro Aoqi Rausch, ; Bin Shi,
| | - Bin Shi
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Laboratory of Facial Plastic and Reconstruction, Fujian Medical University, Fuzhou, China
- Fujian Key Laboratory of Oral Diseases, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, China
- *Correspondence: Macro Aoqi Rausch, ; Bin Shi,
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Zhang B, Yuan L, Chen G, Chen X, Yang X, Fan T, Sun C, Fan D, Chen Z. Deciphering Obesity-Related Gene Clusters Unearths SOCS3 Immune Infiltrates and 5mC/m6A Modifiers in Ossification of Ligamentum Flavum Pathogenesis. Front Endocrinol (Lausanne) 2022; 13:861567. [PMID: 35712246 PMCID: PMC9196192 DOI: 10.3389/fendo.2022.861567] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 04/19/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Ossification of ligamentum flavum (OLF) is an insidious and debilitating heterotopic ossifying disease with etiological heterogeneity and undefined pathogenesis. Obese individuals predispose to OLF, whereas the underlying connections between obesity phenotype and OLF pathomechanism are not fully understood. Therefore, this study aims to explore distinct obesity-related genes and their functional signatures in OLF. METHODS The transcriptome sequencing data related to OLF were downloaded from the GSE106253 in the Gene Expression Omnibus (GEO) database. The obesity-related differentially expressed genes (ORDEGs) in OLF were screened, and functional and pathway enrichment analysis were applied for these genes. Furthermore, protein-protein interactions (PPI), module analysis, transcription factor enrichment analysis (TFEA), and experiment validation were used to identify hub ORDEGs. The immune infiltration landscape in OLF was depicted, and correlation analysis between core gene SOCS3 and OLF-related infiltrating immune cells (OIICs) as well as 5mC/m6A modifiers in OLF was constructed. RESULTS Ninety-nine ORDEGs were preliminarily identified, and functional annotations showed these genes were mainly involved in metabolism, inflammation, and immune-related biological functions and pathways. Integrative bioinformatic algorithms determined a crucial gene cluster associated with inflammatory/immune responses, such as TNF signaling pathway, JAK-STAT signaling pathway, and regulation of interferon-gamma-mediated signaling. Eight hub ORDEGs were validated, including 6 down-regulated genes (SOCS3, PPARG, ICAM-1, CCL2, MYC, and NT5E) and 2 up-regulated genes (PTGS2 and VEGFA). Furthermore, 14 differential OIICs were identified by ssGSEA and xCell, and SOCS3 was overlapped to be the core gene, which was associated with multiple immune infiltrates (dendritic cells, macrophage, and T cells) and six m6A modifiers as well as four 5mC regulators in OLF. Reduced SOCS3 and FTO expression and up-regulated DNMT1 level in OLF were validated by Western blotting. CONCLUSION This study deciphered immune/inflammatory signatures of obesity-related gene clusters for the first time, and defined SOCS3 as one core gene. The crosstalk between 5mC/m6A methylation may be a key mediator of SOCS3 expression and immune infiltration. These findings will provide more insights into molecular mechanisms and therapeutic targets of obesity-related OLF.
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Affiliation(s)
- Baoliang Zhang
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Spinal Disease Research, Beijing, China
- Engineering Research Center of Bone and Joint Precision Medicine, Ministry of Education, Beijing, China
| | - Lei Yuan
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Spinal Disease Research, Beijing, China
- Engineering Research Center of Bone and Joint Precision Medicine, Ministry of Education, Beijing, China
| | - Guanghui Chen
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Spinal Disease Research, Beijing, China
- Engineering Research Center of Bone and Joint Precision Medicine, Ministry of Education, Beijing, China
| | - Xi Chen
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Spinal Disease Research, Beijing, China
- Engineering Research Center of Bone and Joint Precision Medicine, Ministry of Education, Beijing, China
| | - Xiaoxi Yang
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Spinal Disease Research, Beijing, China
- Engineering Research Center of Bone and Joint Precision Medicine, Ministry of Education, Beijing, China
| | - Tianqi Fan
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Spinal Disease Research, Beijing, China
- Engineering Research Center of Bone and Joint Precision Medicine, Ministry of Education, Beijing, China
| | - Chuiguo Sun
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Spinal Disease Research, Beijing, China
- Engineering Research Center of Bone and Joint Precision Medicine, Ministry of Education, Beijing, China
| | - Dongwei Fan
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Spinal Disease Research, Beijing, China
- Engineering Research Center of Bone and Joint Precision Medicine, Ministry of Education, Beijing, China
| | - Zhongqiang Chen
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Spinal Disease Research, Beijing, China
- Engineering Research Center of Bone and Joint Precision Medicine, Ministry of Education, Beijing, China
- *Correspondence: Zhongqiang Chen,
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13
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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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Hu Y, Wang Z. Rapamycin prevents heterotopic ossification by inhibiting the mTOR pathway and oxidative stress. Biochem Biophys Res Commun 2021; 573:171-178. [PMID: 34419763 DOI: 10.1016/j.bbrc.2021.07.060] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 07/13/2021] [Accepted: 07/18/2021] [Indexed: 01/02/2023]
Abstract
Rapamycin (RAPA), which was first described as an anti-fungal agent, is a potent immunosuppressant that suppresses tumors and inhibits the mTOR signaling pathway. Heterotopic ossification (HO) is abnormal bone formation outside the skeletal system (e.g., in muscles, tendons, articular capsules and other soft tissues), often due to trauma or injury. There are currently no drugs available to treat traumatic HO, largely due to limited understanding of the disease. In this study, we focused on the role of oxidative stress (OS) in the early stage of traumatic HO, and explored the underlying mechanism of traumatic HO by using RAPA to specifically inhibit the mTOR pathway, which is known to play a role in the pathogenesis of HO. To assess the effects of RAPA in traumatic HO, we used an NSE-BMP4 transgenic mouse model that develops ossification in response to traumatic injury and intramuscular injection of cardiotoxin to initiate injury. These mice were then treated with RAPA or vehicle intraperitoneally every other day for 2 weeks. Our results demonstrate that RAPA can inhibit HO through a number of different mechanisms. We show that OS and a strong inflammatory response contribute to the hypoxia associated with the early stages of HO, and that RAPA inhibits these responses. Furthermore, RAPA reduces the vascularization triggered by mTOR signaling that leads to HO formation. Therefore, we believe that RAPA could be an effective treatment for the early stages of HO.
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Affiliation(s)
- Yangyang Hu
- Department of Pathology, Anhui Provincial Hospital, The First Affiliated Hospital of the University of Science and Technology of China, 230002, Hefei, Anhui, China.
| | - Zhe Wang
- Department of Pathology, Anhui Provincial Hospital, The First Affiliated Hospital of the University of Science and Technology of China, 230002, Hefei, Anhui, China.
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15
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Pavek A, Nartker C, Saleh M, Kirkham M, Khajeh Pour S, Aghazadeh-Habashi A, Barrott JJ. Tissue Engineering Through 3D Bioprinting to Recreate and Study Bone Disease. Biomedicines 2021; 9:551. [PMID: 34068971 PMCID: PMC8156159 DOI: 10.3390/biomedicines9050551] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 05/05/2021] [Accepted: 05/09/2021] [Indexed: 12/12/2022] Open
Abstract
The applications of 3D bioprinting are becoming more commonplace. Since the advent of tissue engineering, bone has received much attention for the ability to engineer normal bone for tissue engraftment or replacement. While there are still debates on what materials comprise the most durable and natural replacement of normal tissue, little attention is given to recreating diseased states within the bone. With a better understanding of the cellular pathophysiology associated with the more common bone diseases, these diseases can be scaled down to a more throughput way to test therapies that can reverse the cellular pathophysiology. In this review, we will discuss the potential of 3D bioprinting of bone tissue in the following disease states: osteoporosis, Paget's disease, heterotopic ossification, osteosarcoma, osteogenesis imperfecta, and rickets disease. The development of these 3D bioprinted models will allow for the advancement of novel therapy testing resulting in possible relief to these chronic diseases.
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Affiliation(s)
- Adriene Pavek
- Department of Biomedical and Pharmaceutical Sciences, Idaho State University, Pocatello, ID 83209, USA; (A.P.); (C.N.); (M.K.); (S.K.P.)
| | - Christopher Nartker
- Department of Biomedical and Pharmaceutical Sciences, Idaho State University, Pocatello, ID 83209, USA; (A.P.); (C.N.); (M.K.); (S.K.P.)
| | | | - Matthew Kirkham
- Department of Biomedical and Pharmaceutical Sciences, Idaho State University, Pocatello, ID 83209, USA; (A.P.); (C.N.); (M.K.); (S.K.P.)
| | - Sana Khajeh Pour
- Department of Biomedical and Pharmaceutical Sciences, Idaho State University, Pocatello, ID 83209, USA; (A.P.); (C.N.); (M.K.); (S.K.P.)
| | - Ali Aghazadeh-Habashi
- Department of Biomedical and Pharmaceutical Sciences, Idaho State University, Pocatello, ID 83209, USA; (A.P.); (C.N.); (M.K.); (S.K.P.)
| | - Jared J. Barrott
- Department of Biomedical and Pharmaceutical Sciences, Idaho State University, Pocatello, ID 83209, USA; (A.P.); (C.N.); (M.K.); (S.K.P.)
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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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de Ruiter RD, Smilde BJ, Pals G, Bravenboer N, Knaus P, Schoenmaker T, Botman E, Sánchez-Duffhues G, Pacifici M, Pignolo RJ, Shore EM, van Egmond M, Van Oosterwyck H, Kaplan FS, Hsiao EC, Yu PB, Bocciardi R, De Cunto CL, Longo Ribeiro Delai P, de Vries TJ, Hilderbrandt S, Jaspers RT, Keen R, Koolwijk P, Morhart R, Netelenbos JC, Rustemeyer T, Scott C, Stockklausner C, ten Dijke P, Triffit J, Ventura F, Ravazzolo R, Micha D, Eekhoff EMW. Fibrodysplasia Ossificans Progressiva: What Have We Achieved and Where Are We Now? Follow-up to the 2015 Lorentz Workshop. Front Endocrinol (Lausanne) 2021; 12:732728. [PMID: 34858325 PMCID: PMC8631510 DOI: 10.3389/fendo.2021.732728] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 09/22/2021] [Indexed: 11/20/2022] Open
Abstract
Fibrodysplasia ossificans progressiva (FOP) is an ultra-rare progressive genetic disease effecting one in a million individuals. During their life, patients with FOP progressively develop bone in the soft tissues resulting in increasing immobility and early death. A mutation in the ACVR1 gene was identified as the causative mutation of FOP in 2006. After this, the pathophysiology of FOP has been further elucidated through the efforts of research groups worldwide. In 2015, a workshop was held to gather these groups and discuss the new challenges in FOP research. Here we present an overview and update on these topics.
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Affiliation(s)
- Ruben D. de Ruiter
- Department of Internal Medicine, Section Endocrinology, Amsterdam University Medical Center (Amsterdam UMC), Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, Netherlands
- *Correspondence: Ruben D. de Ruiter, ; Elisabeth M. W. Eekhoff,
| | - Bernard J. Smilde
- Department of Internal Medicine, Section Endocrinology, Amsterdam University Medical Center (Amsterdam UMC), Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, Netherlands
| | - Gerard Pals
- Department of Clinical Genetics and Bone Histomorphology, Amsterdam University Medical Center (Amsterdam UMC), Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Nathalie Bravenboer
- Department of Clinical Chemistry, Amsterdam University Medical Center (Amsterdam UMC), Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, Netherlands
| | - Petra Knaus
- Freie Universität Berlin, Institute for Chemistry and Biochemistry, Berlin, Germany
| | - Ton Schoenmaker
- Department of Periodontology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit, Amsterdam, Netherlands
| | - Esmée Botman
- Department of Internal Medicine, Section Endocrinology, Amsterdam University Medical Center (Amsterdam UMC), Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, Netherlands
| | | | - Maurizio Pacifici
- Translational Research Program in Pediatric Orthopaedics, Abramson Research Center, Division of Orthopaedic Surgery, The Children’s Hospital of Philadelphia, Philadelphia, PA, United States
| | | | - Eileen M. Shore
- Department of Orthopaedic Surgery and Genetics, and the Center for Research in FOP and Related Disorders, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Marjolein van Egmond
- Department of Molecular Cell Biology and Immunology, Cancer Center Amsterdam, Amsterdam University Medical Center (Amsterdam UMC), Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Hans Van Oosterwyck
- Division of Biomechanics, Department of Mechanical Engineering, Katholieke Universiteit (KU) Leuven, Leuven, Belgium
- Prometheus division of skeletal tissue engineering, Katholieke Universiteit (KU) Leuven, Leuven, Belgium
| | - Frederick S. Kaplan
- Department of Orthopaedic Surgery and Medicine, Center for Research in FOP and Related Disorders, The Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Edward C. Hsiao
- Department of Endocrinology and Metabolism, and the Institute for Human Genetics, Department of Medicine, University of California, San Francisco, CA, United States
| | - Paul B. Yu
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
| | - Renata Bocciardi
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), Università degli Studi di Genova, Medical Genetics Unit, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Carmen Laura De Cunto
- Rheumatology Section, Department of Pediatrics, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | | | - Teun J. de Vries
- Department of Periodontology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit, Amsterdam, Netherlands
| | - Susanne Hilderbrandt
- Freie Universität Berlin, Institute for Chemistry and Biochemistry, Berlin, Germany
- Berlin-Brandenburg Center for Regenerative Therapies, Charité Medical University of Berlin, Berlin, Germany
| | - Richard T. Jaspers
- Laboratory for Myology, Faculty of Behavioural and Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, Netherlands
| | - Richard Keen
- Centre for Metabolic Bone Disease, Royal National Orthopaedic Hospital, Stanmore, United Kingdom
| | - Peter Koolwijk
- Department of Physiology, Amsterdam University Medical Center (Amsterdam UMC), Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Rolf Morhart
- Department of Pediatrics, Garmisch-Partenkichen Medical Center, Garmisch-Partenkirchen, Germany
| | - Jan C. Netelenbos
- Department of Internal Medicine, Section Endocrinology, Amsterdam University Medical Center (Amsterdam UMC), Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, Netherlands
| | - Thomas Rustemeyer
- Department of Dermatology, Amsterdam University Medical Center (AmsterdamUMC), Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Christiaan Scott
- Division of Paediatric Rheumatology, Departmet of Paediatrics and Child Heath, Red Cross War Memorial Children’s Hospital, University of Cape Town, Cape Town, South Africa
| | - Clemens Stockklausner
- Laboratory for Myology, Faculty of Behavioural and Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, Netherlands
| | - Peter ten Dijke
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - James Triffit
- Botnar Research Centre, University of Oxford, Oxford, United Kingdom
| | - Francesc Ventura
- Departamento de Cièncias Fisiológicas, Facultad de Medicina y Ciencias de la Salud, Universitat de Barcelona, Barcelona, Spain
| | - Roberto Ravazzolo
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), Università degli Studi di Genova, Medical Genetics Unit, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Dimitra Micha
- Department of Clinical Genetics and Bone Histomorphology, Amsterdam University Medical Center (Amsterdam UMC), Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Elisabeth M. W. Eekhoff
- Department of Internal Medicine, Section Endocrinology, Amsterdam University Medical Center (Amsterdam UMC), Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, Netherlands
- *Correspondence: Ruben D. de Ruiter, ; Elisabeth M. W. Eekhoff,
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Lin H, Shi F, Jiang S, Wang Y, Zou J, Ying Y, Huang D, Luo L, Yan X, Luo Z. Metformin attenuates trauma-induced heterotopic ossification via inhibition of Bone Morphogenetic Protein signalling. J Cell Mol Med 2020; 24:14491-14501. [PMID: 33169942 PMCID: PMC7754007 DOI: 10.1111/jcmm.16076] [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: 06/03/2020] [Revised: 10/04/2020] [Accepted: 10/25/2020] [Indexed: 11/06/2022] Open
Abstract
AMP‐activated protein kinase (AMPK) is an intracellular sensor of energy homoeostasis that is activated under energy stress and suppressed in energy surplus. AMPK activation leads to inhibition of anabolic processes that consume ATP. Osteogenic differentiation is a process that highly demands ATP during which AMPK is inhibited. The bone morphogenetic proteins (BMPs) signalling pathway plays an essential role in osteogenic differentiation. The present study examines the inhibitory effect of metformin on BMP signalling, osteogenic differentiation and trauma‐induced heterotopic ossification. Our results showed that metformin inhibited Smad1/5 phosphorylation induced by BMP6 in osteoblast MC3T3‐E1 cells, concurrent with up‐regulation of Smad6, and this effect was attenuated by knockdown of Smad6. Furthermore, we found that metformin suppressed ALP activity and mineralization of the cells, an event that was attenuated by the dominant negative mutant of AMPK and mimicked by its constitutively active mutant. Finally, administration of metformin prevented the trauma‐induced heterotopic ossification in mice. In conjuncture, AMPK activity and Smad6 and Smurf1 expression were enhanced by metformin treatment in the muscle of injured area, concurrently with the reduction of ALK2. Collectively, our study suggests that metformin prevents heterotopic ossification via activation of AMPK and subsequent up‐regulation of Smad6. Therefore, metformin could be a potential therapeutic drug for heterotopic ossification induced by traumatic injury.
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Affiliation(s)
- Hui Lin
- Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology and Department of Pathophysiology, School of Basic Medical Sciences, Queen Mary School, Nanchang University, Nanchang, China
| | - Fuli Shi
- Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology and Department of Pathophysiology, School of Basic Medical Sciences, Queen Mary School, Nanchang University, Nanchang, China
| | - Shanshan Jiang
- Institute of Hematological Research, Shaanxi Provincial People's Hospital, Xi'an, China
| | - Yuanyuan Wang
- Clinical Systems Biology Laboratory, The First Affiliated Hospital, Zhengzhou University, Zhengzhou, China
| | - Junrong Zou
- Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology and Department of Pathophysiology, School of Basic Medical Sciences, Queen Mary School, Nanchang University, Nanchang, China
| | - Ying Ying
- Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology and Department of Pathophysiology, School of Basic Medical Sciences, Queen Mary School, Nanchang University, Nanchang, China
| | - Deqiang Huang
- Research Institute of Digestive Diseases, The First Affiliated Hospital, Nanchang University, Nanchang, China
| | - Lingyu Luo
- Research Institute of Digestive Diseases, The First Affiliated Hospital, Nanchang University, Nanchang, China
| | - Xiaohua Yan
- Institute of Basic Biomedical Sciences and Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Nanchang University, Nanchang, China
| | - Zhijun Luo
- Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology and Department of Pathophysiology, School of Basic Medical Sciences, Queen Mary School, Nanchang University, Nanchang, China
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19
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Strong AL, Spreadborough PJ, Pagani CA, Haskins RM, Dey D, Grimm PD, Kaneko K, Marini S, Huber AK, Hwang C, Westover K, Mishina Y, Bradley MJ, Levi B, Davis TA. Small molecule inhibition of non-canonical (TAK1-mediated) BMP signaling results in reduced chondrogenic ossification and heterotopic ossification in a rat model of blast-associated combat-related lower limb trauma. Bone 2020; 139:115517. [PMID: 32622875 PMCID: PMC7945876 DOI: 10.1016/j.bone.2020.115517] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 06/29/2020] [Accepted: 06/30/2020] [Indexed: 12/13/2022]
Abstract
Heterotopic ossification (HO) is defined as ectopic bone formation around joints and in soft tissues following trauma, particularly blast-related extremity injuries, thermal injuries, central nerve injuries, or orthopaedic surgeries, leading to increased pain and diminished quality of life. Current treatment options include pharmacotherapy with non-steroidal anti-inflammatory drugs, radiotherapy, and surgical excision, but these treatments have limited efficacy and have associated complication profiles. In contrast, small molecule inhibitors have been shown to have higher specificity and less systemic cytotoxicity. Previous studies have shown that bone morphogenetic protein (BMP) signaling and downstream non-canonical (SMAD-independent) BMP signaling mediated induction of TGF-β activated kinase-1 (TAK1) contributes to HO. In the current study, small molecule inhibition of TAK1, NG-25, was evaluated for its efficacy in limiting ectopic bone formation following a rat blast-associated lower limb trauma and a murine burn tenotomy injury model. A significant decrease in total HO volume in the rat blast injury model was observed by microCT imaging with no systemic complications following NG-25 therapy. Furthermore, tissue-resident mesenchymal progenitor cells (MPCs) harvested from rats treated with NG-25 demonstrated decreased proliferation, limited osteogenic differentiation capacity, and reduced gene expression of Tac1, Col10a1, Ibsp, Smad3, and Sox2 (P < 0.05). Single cell RNA-sequencing of murine cells harvested from the injury site in a burn tenotomy injury model showed increased expression of these genes in MPCs during stages of chondrogenic differentiation. Additional in vitro cell cultures of murine tissue-resident MPCs and osteochondrogenic progenitors (OCPs) treated with NG-25 demonstrated reduced chondrogenic differentiation by 10.2-fold (P < 0.001) and 133.3-fold (P < 0.001), respectively, as well as associated reduction in chondrogenic gene expression. Induction of HO in Tak1 knockout mice demonstrated a 7.1-fold (P < 0.001) and 2.7-fold reduction (P < 0.001) in chondrogenic differentiation of murine MPCs and OCPs, respectively, with reduced chondrogenic gene expression. Together, our in vivo models and in vitro cell culture studies demonstrate the importance of TAK1 signaling in chondrogenic differentiation and HO formation and suggest that small molecule inhibition of TAK1 is a promising therapy to limit the formation and progression of HO.
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Affiliation(s)
- Amy L Strong
- Division of Plastic Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI, United States of America
| | - Philip J Spreadborough
- Regenerative Medicine Department, Naval Medical Research Center, Silver Spring, MD, United States of America; Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America; Academic Department of Military Surgery and Trauma, Royal Centre for Defense Medicine, Birmingham, United Kingdom
| | - Chase A Pagani
- Division of Plastic Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI, United States of America
| | - Ryan M Haskins
- Regenerative Medicine Department, Naval Medical Research Center, Silver Spring, MD, United States of America
| | - Devaveena Dey
- Regenerative Medicine Department, Naval Medical Research Center, Silver Spring, MD, United States of America; Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America
| | - Patrick D Grimm
- Regenerative Medicine Department, Naval Medical Research Center, Silver Spring, MD, United States of America; Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America
| | - Keiko Kaneko
- Division of Plastic Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI, United States of America
| | - Simone Marini
- Division of Plastic Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI, United States of America
| | - Amanda K Huber
- Division of Plastic Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI, United States of America
| | - Charles Hwang
- Division of Plastic Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI, United States of America
| | - Kenneth Westover
- Departments of Biochemistry and Radiation Oncology, The University of Texas Southwestern Medical Center at Dallas, Dallas, TX, United States of America
| | - Yuji Mishina
- Department of Biologic and Materials Science and Prosthodontics, University of Michigan School of Dentistry, Ann Arbor, MI, United States of America
| | - Matthew J Bradley
- Regenerative Medicine Department, Naval Medical Research Center, Silver Spring, MD, United States of America; Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America
| | - Benjamin Levi
- Division of Plastic Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI, United States of America.
| | - Thomas A Davis
- Regenerative Medicine Department, Naval Medical Research Center, Silver Spring, MD, United States of America; Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America.
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20
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Dai G, Li Y, Liu J, Zhang C, Chen M, Lu P, Rui Y. Higher BMP Expression in Tendon Stem/Progenitor Cells Contributes to the Increased Heterotopic Ossification in Achilles Tendon With Aging. Front Cell Dev Biol 2020; 8:570605. [PMID: 33102476 PMCID: PMC7546413 DOI: 10.3389/fcell.2020.570605] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 09/04/2020] [Indexed: 12/18/2022] Open
Abstract
Although the mineralization in tendon tissue has been reported in a series of aging and disease models, the underlying mechanisms remain unknown. This study aimed to describe the appearance of heterotopic ossification in rat Achilles tendon and further verify whether this tissue metaplasia is related to the enhanced osteogenic differentiation of tendon stem/progenitor cells (TSPCs) owing to the higher expression of bone morphogenetic proteins (BMP-2/4/7) with aging. The male SD rats, aged 4, 8, and 20 months (M), were used. The analyses of ossification and BMP expression in tendon were tested by radiological view (X-ray and CT), histological staining [hematoxylin and eosin (HE), Alcian blue, and Alizarin red], immunohistochemistry, and Western blot. The osteogenic differentiation potential and BMP expression of TSPCs were examined by Alizarin red S staining and real-time PCR. TSPCs were treated with BMP-2 or noggin, and the osteogenic differentiation potential was also examined. X-ray and CT showed the appearance of heterotopic ossification in tendon, and the volume and density of ossification was increased with aging. Histological staining showed the appearance of calcified region surrounded by chondrocyte-like cells and the increased osteogenesis-related gene and BMP expression in ossified tendon with aging. Moreover, the osteogenic differentiation potential and BMP expression in TSPCs isolated from ossified tendon were increased with aging. Additionally, BMP-2 increased the calcium nodule formation and osteogenesis-related gene expression in TSPCs. The addition of noggin inhibited BMP-induced enhancement of osteogenic differentiation. Thus, these findings suggested that the enhanced osteogenic differentiation of TSPCs contributes to the increased heterotopic ossification in aged tendon, which might be induced by the higher expression of BMPs with aging.
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Affiliation(s)
- Guangchun Dai
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,School of Medicine, Southeast University, Nanjing, China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China.,Trauma Center, Zhongda Hospital, Southeast University, Nanjing, China
| | - Yingjuan Li
- Department of Geriatrics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Junyan Liu
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,School of Medicine, Southeast University, Nanjing, China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China.,Trauma Center, Zhongda Hospital, Southeast University, Nanjing, China
| | - Cheng Zhang
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,School of Medicine, Southeast University, Nanjing, China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China.,Trauma Center, Zhongda Hospital, Southeast University, Nanjing, China
| | - Minhao Chen
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,School of Medicine, Southeast University, Nanjing, China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China.,Trauma Center, Zhongda Hospital, Southeast University, Nanjing, China
| | - Panpan Lu
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,School of Medicine, Southeast University, Nanjing, China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China.,Trauma Center, Zhongda Hospital, Southeast University, Nanjing, China
| | - Yunfeng Rui
- Department of Orthopaedics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, China.,Trauma Center, Zhongda Hospital, Southeast University, Nanjing, China.,China Orthopedic Regenerative Medicine Group, Hangzhou, China
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21
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Ruolan W, Liangjiao C, Longquan S. The mTOR/ULK1 signaling pathway mediates the autophagy-promoting and osteogenic effects of dicalcium silicate nanoparticles. J Nanobiotechnology 2020; 18:119. [PMID: 32867795 PMCID: PMC7457372 DOI: 10.1186/s12951-020-00663-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 07/20/2020] [Indexed: 12/18/2022] Open
Abstract
A novel bioactive inorganic material containing silicon, calcium and oxygen, calcium silicate (Ca2SiO4, C2S) with a CaO-SiO2 ingredient, has been identified as a potential candidate for artificial bone. Autophagy has an essential function in adult tissue homoeostasis and tumorigenesis. However, little is known about whether silicate nanoparticles (C2S NPs) promote osteoblastic differentiation by inducing autophagy. Here we investigated the effects of C2S NPs on bone marrow mesenchymal stem cell differentiation (BMSCs) in osteoblasts. Furthermore, we identified the osteogenic gene and protein expression in BMSCs treated with C2S NPs. We found that autophagy is important for the ability of C2S NPs to induce osteoblastic differentiation of BMSCs. Our results showed that treatment with C2S NPs upregulated the expression of BMP2, UNX2, and OSX in BMSCs, and significantly promoted the expression of LC3 and Beclin, while P62 (an autophagy substrate) was downregulated. C2S NP treatment could also enhance Alizarin red S dye (ARS), although alkaline phosphatase (ALP) activity was not significantly changed. However, all these effects could be partially reversed by 3-MA. We then detected potential signaling pathways involved in this biological effect and found that C2S NPs could activate autophagy by suppressing mTOR and facilitating ULK1 expression. Autophagy further activated β-catenin expression and promoted osteogenic differentiation. In conclusion, C2S NPs promote bone formation and osteogenic differentiation in BMSCs by activating autophagy. They achieve this effect by activating mTOR/ULK1, inducing autophagy, and subsequently triggering the WNT/β-catenin pathway to boost the differentiation and biomineralization of osteoblasts.
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Affiliation(s)
- Wang Ruolan
- Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.,Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Guangzhou, 510515, China
| | - Chen Liangjiao
- Key Laboratory of Oral Medicine, Guangzhou Institute of Oral Disease, Stomatology Hospital of Guangzhou Medical University, Guangzhou, 510140, China
| | - Shao Longquan
- Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China. .,Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Guangzhou, 510515, China.
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22
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Pulik Ł, Mierzejewski B, Ciemerych MA, Brzóska E, Łęgosz P. The Survey of Cells Responsible for Heterotopic Ossification Development in Skeletal Muscles-Human and Mouse Models. Cells 2020; 9:cells9061324. [PMID: 32466405 PMCID: PMC7349686 DOI: 10.3390/cells9061324] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 05/16/2020] [Accepted: 05/21/2020] [Indexed: 12/18/2022] Open
Abstract
Heterotopic ossification (HO) manifests as bone development in the skeletal muscles and surrounding soft tissues. It can be caused by injury, surgery, or may have a genetic background. In each case, its development might differ, and depending on the age, sex, and patient's conditions, it could lead to a more or a less severe outcome. In the case of the injury or surgery provoked ossification development, it could be, to some extent, prevented by treatments. As far as genetic disorders are concerned, such prevention approaches are highly limited. Many lines of evidence point to the inflammatory process and abnormalities in the bone morphogenetic factor signaling pathway as the molecular and cellular backgrounds for HO development. However, the clear targets allowing the design of treatments preventing or lowering HO have not been identified yet. In this review, we summarize current knowledge on HO types, its symptoms, and possible ways of prevention and treatment. We also describe the molecules and cells in which abnormal function could lead to HO development. We emphasize the studies involving animal models of HO as being of great importance for understanding and future designing of the tools to counteract this pathology.
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Affiliation(s)
- Łukasz Pulik
- Department of Orthopaedics and Traumatology, Medical University of Warsaw, Lindley 4 St, 02-005 Warsaw, Poland;
| | - Bartosz Mierzejewski
- Department of Cytology, Faculty of Biology, University of Warsaw, Miecznikowa 1 St, 02-096 Warsaw, Poland; (B.M.); (M.A.C.)
| | - Maria A. Ciemerych
- Department of Cytology, Faculty of Biology, University of Warsaw, Miecznikowa 1 St, 02-096 Warsaw, Poland; (B.M.); (M.A.C.)
| | - Edyta Brzóska
- Department of Cytology, Faculty of Biology, University of Warsaw, Miecznikowa 1 St, 02-096 Warsaw, Poland; (B.M.); (M.A.C.)
- Correspondence: (E.B.); (P.Ł.); Tel.: +48-22-5542-203 (E.B.); +48-22-5021-514 (P.Ł.)
| | - Paweł Łęgosz
- Department of Orthopaedics and Traumatology, Medical University of Warsaw, Lindley 4 St, 02-005 Warsaw, Poland;
- Correspondence: (E.B.); (P.Ł.); Tel.: +48-22-5542-203 (E.B.); +48-22-5021-514 (P.Ł.)
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23
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Huang Y, Wang X, Lin H. The hypoxic microenvironment: a driving force for heterotopic ossification progression. Cell Commun Signal 2020; 18:20. [PMID: 32028956 PMCID: PMC7006203 DOI: 10.1186/s12964-020-0509-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 01/02/2020] [Indexed: 12/23/2022] Open
Abstract
Heterotopic ossification (HO) refers to the formation of bone tissue outside the normal skeletal system. According to its pathogenesis, HO is divided into hereditary HO and acquired HO. There currently lack effective approaches for HO prevention or treatment. A deep understanding of its pathogenesis will provide promising strategies to prevent and treat HO. Studies have shown that the hypoxia-adaptive microenvironment generated after trauma is a potent stimulus of HO. The hypoxic microenvironment enhances the stability of hypoxia-inducible factor-1α (HIF-1α), which regulates a complex network including bone morphogenetic proteins (BMPs), vascular endothelial growth factor (VEGF), and neuropilin-1 (NRP-1), which are implicated in the formation of ectopic bone. In this review, we summarize the current understanding of the triggering role and underlying molecular mechanisms of the hypoxic microenvironment in the initiation and progression of HO, focusing mainly on HIF-1 and it's influenced genes BMP, VEGF, and NRP-1. A better understanding of the role of hypoxia in HO unveils novel therapeutic targets for HO that reduce the local hypoxic microenvironment and inhibit HIF-1α activity. Video Abstract. (MP4 52403 kb)
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Affiliation(s)
- Yifei Huang
- First Clinical Medical School, Nanchang University, Nanchang, 330006, Jiangxi Province, China
| | - Xinyi Wang
- First Clinical Medical School, Nanchang University, Nanchang, 330006, Jiangxi Province, China
| | - Hui Lin
- Department of Pathophysiology, School of Basic Medical Sciences, Nanchang University, 461 BaYi Avenue, Nanchang, 330006, Jiangxi Province, China.
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