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Isaji M, Horiuchi K, Kondo S, Nakagawa T, Ishizaka T, Amako M, Chiba K. Suppression of TNF-α activity by immobilization rescues Mkx expression and attenuates tendon ossification in a mouse Achilles tenotomy model. J Orthop Res 2024. [PMID: 38806292 DOI: 10.1002/jor.25906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 04/20/2024] [Accepted: 05/13/2024] [Indexed: 05/30/2024]
Abstract
Traumatic heterotopic ossification is a condition in which extraskeletal bone formation occurs in soft tissues after injury. It most commonly occurs in patients who had major orthopedic surgery and in those with severe extremity injuries. The lesion causes local pain and can impair motor function of the affected limb, but there is currently no established prophylaxis or treatment for this condition. In this study, we show that immobilization at an early stage of the inflammatory response after injury can attenuate ossification formation in a murine Achilles tenotomy model. Gene expression analysis revealed a decrease in the expression of Tnf and an increase in the expression of Mkx, which encodes one of the master regulators of tendon differentiation, Mohawk. Notably, we found that TNF-α suppressed the expression of Mkx transcripts and accelerated the osteogenic differentiation of tendon-derived mesenchymal stem cells (MSCs), suggesting that TNF-α acts as a negative regulator of Mkx transcription. Consistent with these findings, pharmaceutical inhibition of TNF-α increased the expression of Mkx transcripts and suppressed bone formation in this mouse model. These findings reveal the previously unrecognized involvement of TNF-α in regulating tendon MSC fate through suppression of Mkx expression and suggest that TNF-α is a potential target for preventing traumatic heterotopic ossification.
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Affiliation(s)
- Masashi Isaji
- Department of Orthopedic Surgery, National Defense Medical College, Saitama, Japan
| | - Keisuke Horiuchi
- Department of Orthopedic Surgery, National Defense Medical College, Saitama, Japan
| | - Shinya Kondo
- Department of Orthopedic Surgery, National Defense Medical College, Saitama, Japan
| | - Takahiro Nakagawa
- Department of Orthopedic Surgery, National Defense Medical College, Saitama, Japan
| | - Takahiro Ishizaka
- Department of Orthopedic Surgery, National Defense Medical College, Saitama, Japan
| | - Masatoshi Amako
- Department of Rehabilitation Medicine, National Defense Medical College Hospital, Saitama, Japan
| | - Kazuhiro Chiba
- Department of Orthopedic Surgery, National Defense Medical College, Saitama, Japan
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Mejias Rivera L, Shore EM, Mourkioti F. Cellular and Molecular Mechanisms of Heterotopic Ossification in Fibrodysplasia Ossificans Progressiva. Biomedicines 2024; 12:779. [PMID: 38672135 PMCID: PMC11048698 DOI: 10.3390/biomedicines12040779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 03/22/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
Fibrodysplasia ossificans progressiva (FOP) is a debilitating genetic disorder characterized by recurrent episodes of heterotopic ossification (HO) formation in muscles, tendons, and ligaments. FOP is caused by a missense mutation in the ACVR1 gene (activin A receptor type I), an important signaling receptor involved in endochondral ossification. The ACVR1R206H mutation induces increased downstream canonical SMAD-signaling and drives tissue-resident progenitor cells with osteogenic potential to participate in endochondral HO formation. In this article, we review aberrant ACVR1R206H signaling and the cells that give rise to HO in FOP. FOP mouse models and lineage tracing analyses have been used to provide strong evidence for tissue-resident mesenchymal cells as cellular contributors to HO. We assess how the underlying mutation in FOP disrupts muscle-specific dynamics during homeostasis and repair, with a focus on muscle-resident mesenchymal cells known as fibro-adipogenic progenitors (FAPs). Accumulating research points to FAPs as a prominent HO progenitor population, with ACVR1R206H FAPs not only aberrantly differentiating into chondro-osteogenic lineages but creating a permissive environment for bone formation at the expense of muscle regeneration. We will further discuss the emerging role of ACVR1R206H FAPs in muscle regeneration and therapeutic targeting of these cells to reduce HO formation in FOP.
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Affiliation(s)
- Loreilys Mejias Rivera
- Cell and Molecular Biology, Genetics and Epigenetics Graduate Program, University of Pennsylvania, Philadelphia, PA 19104, USA;
- Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, 3450 Hamilton Walk, Philadelphia, PA 19104, USA
- Center for Research in FOP and Related Disorders, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Eileen M. Shore
- Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, 3450 Hamilton Walk, Philadelphia, PA 19104, USA
- Center for Research in FOP and Related Disorders, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Foteini Mourkioti
- Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, 3450 Hamilton Walk, Philadelphia, PA 19104, USA
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Musculoskeletal Program, Penn Institute for Regenerative Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
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Takahashi Y, Yoda M, Tsuji O, Horiuchi K, Watanabe K, Nakamura M. IL-33-ST2 signaling in fibro-adipogenic progenitors alleviates immobilization-induced muscle atrophy in mice. Skelet Muscle 2024; 14:6. [PMID: 38561845 PMCID: PMC10983726 DOI: 10.1186/s13395-024-00338-2] [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: 10/02/2023] [Accepted: 02/29/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND The regenerative and adaptive capacity of skeletal muscles reduces with age, leading to severe disability and frailty in the elderly. Therefore, development of effective therapeutic interventions for muscle wasting is important both medically and socioeconomically. In the present study, we aimed to elucidate the potential contribution of fibro-adipogenic progenitors (FAPs), which are mesenchymal stem cells in skeletal muscles, to immobilization-induced muscle atrophy. METHODS Young (2-3 months), adult (12-14 months), and aged (20-22 months) mice were used for analysis. Muscle atrophy was induced by immobilizing the hind limbs with a steel wire. FAPs were isolated from the hind limbs on days 0, 3, and 14 after immobilization for transcriptome analysis. The expression of ST2 and IL-33 in FAPs was evaluated by flow cytometry and immunostaining, respectively. To examine the role of IL-33-ST2 signaling in vivo, we intraperitoneally administered recombinant IL-33 or soluble ST2 (sST2) twice a week throughout the 2-week immobilization period. After 2-week immobilization, the tibialis anterior muscles were harvested and the cross-sectional area of muscle fibers was evaluated. RESULTS The number of FAPs increased with the progression of muscle atrophy after immobilization in all age-groups. Transcriptome analysis of FAPs collected before and after immobilization revealed that Il33 and Il1rl1 transcripts, which encode the IL-33 receptor ST2, were transiently induced in young mice and, to a lesser extent, in aged mice. The number of FAPs positive for ST2 increased after immobilization in young mice. The number of ST2-positive FAPs also increased after immobilization in aged mice, but the difference from the baseline was not statistically significant. Immunostaining for IL-33 in the muscle sections revealed a significant increase in the number of FAPs expressing IL-33 after immobilization. Administration of recombinant IL-33 suppressed immobilization-induced muscle atrophy in aged mice but not in young mice. CONCLUSIONS Our data reveal a previously unknown protective role of IL-33-ST2 signaling against immobilization-induced muscle atrophy in FAPs and suggest that IL-33-ST2 signaling is a potential new therapeutic target for alleviating disuse muscle atrophy, particularly in older adults.
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Affiliation(s)
- Yoshiyuki Takahashi
- Department of Orthopaedic Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Masaki Yoda
- Department of Orthopaedic Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Osahiko Tsuji
- Department of Orthopaedic Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Keisuke Horiuchi
- Department of Orthopedic Surgery, National Defense Medical College, Namiki 3-2, Tokorozawa, Saitama, 359-8513, Japan
| | - Kota Watanabe
- Department of Orthopaedic Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan.
| | - Masaya Nakamura
- Department of Orthopaedic Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
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Srinivasan D, Arostegui M, Goebel EJ, Hart KN, Aykul S, Lees-Shepard JB, Idone V, Hatsell SJ, Economides AN. How Activin A Became a Therapeutic Target in Fibrodysplasia Ossificans Progressiva. Biomolecules 2024; 14:101. [PMID: 38254701 PMCID: PMC10813747 DOI: 10.3390/biom14010101] [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: 12/11/2023] [Revised: 01/10/2024] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
Fibrodysplasia ossificans progressiva (FOP) is a rare genetic disorder characterized by episodic yet cumulative heterotopic ossification (HO) of skeletal muscles, tendons, ligaments, and fascia. FOP arises from missense mutations in Activin Receptor type I (ACVR1), a type I bone morphogenetic protein (BMP) receptor. Although initial findings implicated constitutive activity of FOP-variant ACVR1 (ACVR1FOP) and/or hyperactivation by BMPs, it was later shown that HO in FOP requires activation of ACVR1FOP by Activin A. Inhibition of Activin A completely prevents HO in FOP mice, indicating that Activin A is an obligate driver of HO in FOP, and excluding a key role for BMPs in this process. This discovery led to the clinical development of garetosmab, an investigational antibody that blocks Activin A. In a phase 2 trial, garetosmab inhibited new heterotopic bone lesion formation in FOP patients. In contrast, antibodies to ACVR1 activate ACVR1FOP and promote HO in FOP mice. Beyond their potential clinical relevance, these findings have enhanced our understanding of FOP's pathophysiology, leading to the identification of fibroadipogenic progenitors as the cells that form HO, and the discovery of non-signaling complexes between Activin A and wild type ACVR1 and their role in tempering HO, and are also starting to inform biological processes beyond FOP.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Aris N. Economides
- Regeneron Pharmaceuticals, Inc., Tarrytown, NY 10591, USA; (D.S.); (M.A.); (E.J.G.); (K.N.H.); (S.A.); (J.B.L.-S.); (V.I.); (S.J.H.)
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Yaghi OK, Hanna BS, Langston PK, Michelson DA, Jayewickreme T, Marin-Rodero M, Benoist C, Mathis D. A discrete 'early-responder' stromal-cell subtype orchestrates immunocyte recruitment to injured tissue. Nat Immunol 2023; 24:2053-2067. [PMID: 37932455 PMCID: PMC10792729 DOI: 10.1038/s41590-023-01669-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 10/05/2023] [Indexed: 11/08/2023]
Abstract
Following acute injury, stromal cells promote tissue regeneration by a diversity of mechanisms. Time-resolved single-cell RNA sequencing of muscle mesenchymal stromal cells (MmSCs) responding to acute injury identified an 'early-responder' subtype that spiked on day 1 and expressed a notable array of transcripts encoding immunomodulators. IL-1β, TNF-α and oncostatin M each strongly and rapidly induced MmSCs transcribing this immunomodulatory program. Macrophages amplified the program but were not strictly required for its induction. Transfer of the inflammatory MmSC subtype, tagged with a unique surface marker, into healthy hindlimb muscle induced inflammation primarily driven by neutrophils and macrophages. Among the abundant inflammatory transcripts produced by this subtype, Cxcl5 was stroma-specific and highly upregulated with injury. Depletion of this chemokine early after injury revealed a substantial impact on recruitment of neutrophils, a prolongation of inflammation to later times and an effect on tissue regeneration. Mesenchymal stromal cell subtypes expressing a comparable inflammatory program were found in a mouse model of muscular dystrophy and in several other tissues and pathologies in both mice and humans. These 'early-responder' mesenchymal stromal cells, already in place, permit rapid and coordinated mobilization and amplification of critical cell collaborators in response to injury.
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Affiliation(s)
- Omar K Yaghi
- Department of Immunology, Harvard Medical School, Boston, MA, USA
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
| | - Bola S Hanna
- Department of Immunology, Harvard Medical School, Boston, MA, USA
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
| | - P Kent Langston
- Department of Immunology, Harvard Medical School, Boston, MA, USA
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
| | - Daniel A Michelson
- Department of Immunology, Harvard Medical School, Boston, MA, USA
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
| | - Teshika Jayewickreme
- Department of Immunology, Harvard Medical School, Boston, MA, USA
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
| | - Miguel Marin-Rodero
- Department of Immunology, Harvard Medical School, Boston, MA, USA
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
| | - Christophe Benoist
- Department of Immunology, Harvard Medical School, Boston, MA, USA
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
| | - Diane Mathis
- Department of Immunology, Harvard Medical School, Boston, MA, USA.
- Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA.
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Gueguen J, Girard D, Rival B, Fernandez J, Goriot ME, Banzet S. Spinal cord injury dysregulates fibro-adipogenic progenitors miRNAs signaling to promote neurogenic heterotopic ossifications. Commun Biol 2023; 6:932. [PMID: 37700159 PMCID: PMC10497574 DOI: 10.1038/s42003-023-05316-w] [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: 11/18/2022] [Accepted: 09/01/2023] [Indexed: 09/14/2023] Open
Abstract
Neurogenic heterotopic ossifications are intramuscular bone formations developing following central nervous system injury. The pathophysiology is poorly understood and current treatments for this debilitating condition remain unsatisfying. Here we explored the role of miRNAs in a clinically relevant mouse model that combines muscle and spinal cord injury, and in patients' cells. We found an osteo-suppressive miRNAs response in injured muscle that was hindered when the spinal cord injury was associated. In isolated fibro-adipogenic progenitors from damaged muscle (cells at the origin of ossification), spinal cord injury induced a downregulation of osteo-suppressive miRNAs while osteogenic markers were overexpressed. The overexpression of selected miRNAs in patient's fibro-adipogenic progenitors inhibited mineralization and osteo-chondrogenic markers in vitro. Altogether, we highlighted an osteo-suppressive mechanism involving multiple miRNAs in response to muscle injury that prevents osteogenic commitment which is ablated by the neurologic lesion in heterotopic ossification pathogenesis. This provides new research hypotheses for preventive treatments.
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Affiliation(s)
- Jules Gueguen
- Institut de Recherche Biomédicale des Armées, 92140, Clamart, France
- INSERM UMR-MD-1197, 92140, Clamart, France
| | - Dorothée Girard
- Institut de Recherche Biomédicale des Armées, 92140, Clamart, France
- INSERM UMR-MD-1197, 92140, Clamart, France
| | - Bastien Rival
- Institut de Recherche Biomédicale des Armées, 92140, Clamart, France
- INSERM UMR-MD-1197, 92140, Clamart, France
| | - Juliette Fernandez
- Institut de Recherche Biomédicale des Armées, 92140, Clamart, France
- INSERM UMR-MD-1197, 92140, Clamart, France
| | - Marie-Emmanuelle Goriot
- Institut de Recherche Biomédicale des Armées, 92140, Clamart, France
- INSERM UMR-MD-1197, 92140, Clamart, France
| | - Sébastien Banzet
- Institut de Recherche Biomédicale des Armées, 92140, Clamart, France.
- INSERM UMR-MD-1197, 92140, Clamart, France.
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Liu Y, Puthia M, Sheehy EJ, Ambite I, Petrlova J, Prithviraj S, Oxborg MW, Sebastian S, Vater C, Zwingenberger S, Struglics A, Bourgine PE, O'Brien FJ, Raina DB. Sustained delivery of a heterodimer bone morphogenetic protein-2/7 via a collagen hydroxyapatite scaffold accelerates and improves critical femoral defect healing. Acta Biomater 2023; 162:164-181. [PMID: 36967054 DOI: 10.1016/j.actbio.2023.03.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 03/14/2023] [Accepted: 03/20/2023] [Indexed: 04/07/2023]
Abstract
Despite the glimmer of hope provided by the discovery and commercialization of bone morphogenetic protein-2 (BMP-2) as a bone graft substitute, side effects related to the use of supraphysiological doses have hindered its clinical usage. In this study, we compared the osteoinductive potential of BMP-2 homodimer with a heterodimer of BMP-2/7, both delivered via a collagen-hydroxyapatite (CHA) scaffold delivery system, with the aim to reduce the overall therapeutic BMP doses and the associated side-effects. We first show that the incorporation of hydroxyapatite in collagen-based BMP delivery systems is pivotal for achieving efficient BMP sequestration and controlled release. Using an ectopic implantation model, we then showed that the CHA+BMP-2/7 was more osteoinductive than CHA+BMP-2. Further evaluation of the molecular mechanisms responsible for this increased osteoinductivity at an early stage in the regeneration process indicated that the CHA+BMP-2/7 enhanced progenitor cell homing at the implantation site, upregulated the key transcriptomic determinants of bone formation, and increased the production of bone extracellular matrix components. Using fluorescently labelled BMP-2/7 and BMP-2, we demonstrated that the CHA scaffold provided a long-term delivery of both molecules for at least 20 days. Finally, using a rat femoral defect model, we showed that an ultra-low dose (0.5 µg) of BMP-2/7 accelerated fracture healing and performed at a level comparable to 20-times higher BMP-2 dose. Our results indicate that the sustained delivery of BMP-2/7 via a CHA scaffold could bring us a step closer in the quest for the use of physiological growth factor doses in fracture healing. STATEMENT OF SIGNIFICANCE: • Incorporation of hydroxyapatite (HA) in a collagen scaffold dramatically improves bone morphogenic protein (BMP) sequestration via biophysical interactions with BMP, thereby providing more controlled BMP release compared with pristine collagen. • We then investigate the molecular mechanisms responsible for increased osteoinductive potential of a heterodimer BMP-2/7 with is clinically used counterpart, the BMP-2 homodimer. • The superior osteoinductive properties of BMP-2/7 are a consequence of its direct positive effect on progenitor cell homing at the implantation site, which consequently leads to upregulation of cartilage and bone related genes and biochemical markers. • An ultra-low dose of BMP-2/7 delivered via a collagen-HA (CHA) scaffold leads to accelerated healing of a critical femoral defect in rats while a 20-times higher BMP-2 dose was required to achieve comparable results.
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8
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Liu Y, Ilinski A, Gerstenfeld LC, Bragdon B. Prx1 cell subpopulations identified in various tissues with diverse quiescence and activation ability following fracture and BMP2 stimulation. Front Physiol 2023; 14:1106474. [PMID: 36793419 PMCID: PMC9922707 DOI: 10.3389/fphys.2023.1106474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 01/18/2023] [Indexed: 01/31/2023] Open
Abstract
The expression of Prx1 has been used as a marker to define the skeletal stem cells (SSCs) populations found within the bone marrow and periosteum that contribute to bone regeneration. However, Prx1 expressing SSCs (Prx1-SSCs) are not restricted to the bone compartments, but are also located within the muscle and able to contribute to ectopic bone formation. Little is known however, about the mechanism(s) regulating Prx1-SSCs that reside in muscle and how they participate in bone regeneration. This study compared both the intrinsic and extrinsic factors of the periosteum and muscle derived Prx1-SSCs and analyzed their regulatory mechanisms of activation, proliferation, and skeletal differentiation. There was considerable transcriptomic heterogeneity in the Prx1-SSCs found in muscle or the periosteum however in vitro cells from both tissues showed tri-lineage (adipose, cartilage and bone) differentiation. At homeostasis, periosteal-derived Prx1 cells were proliferative and low levels of BMP2 were able to promote their differentiation, while the muscle-derived Prx1 cells were quiescent and refractory to comparable levels of BMP2 that promoted periosteal cell differentiation. The transplantation of Prx1-SCC from muscle and periosteum into either the same site from which they were isolated, or their reciprocal sites showed that periosteal cell transplanted onto the surface of bone tissues differentiated into bone and cartilage cells but was incapable of similar differentiation when transplanted into muscle. Prx1-SSCs from the muscle showed no ability to differentiate at either site of transplantation. Both fracture and ten times the BMP2 dose was needed to promote muscle-derived cells to rapidly enter the cell cycle as well as undergo skeletal cell differentiation. This study elucidates the diversity of the Prx1-SSC population showing that cells within different tissue sites are intrinsically different. While muscle tissue must have factors that promote Prx1-SSC to remain quiescent, either bone injury or high levels of BMP2 can activate these cells to both proliferate and undergo skeletal cell differentiation. Finally, these studies raise the possibility that muscle SSCs are potential target for skeletal repair and bone diseases.
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Affiliation(s)
| | | | | | - Beth Bragdon
- Department of Orthopaedic Surgery, Boston University School of Medicine, Boston, MA, United States
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Xu Z, Rao ZZ, Tang ZW, Song ZQ, Zeng M, Gong HL, Wen J. Post-traumatic heterotopic ossification in front of the ankle joint for 23 years: A case report and review of literature. World J Clin Cases 2023; 11:193-200. [PMID: 36687178 PMCID: PMC9846978 DOI: 10.12998/wjcc.v11.i1.193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 12/20/2022] [Accepted: 12/23/2022] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Heterotopic ossification (HO) refers to the formation of new bone in non-skeletal tissues such as muscles, tendons or other soft tissues. Severe muscle and soft tissue injury often lead to the formation of HO. However, anterior HO of the ankle is rarely reported.
CASE SUMMARY We report a patient with massive HO in front of the ankle joint for 23 years. In 1998, the patient was injured by a falling object on the right lower extremity, which gradually formed a massive heterotopic bone change in the right calf and dorsum of the foot. The patient did not develop gradual ankle function limitations until nearly 36 mo ago, and underwent resection of HO. Even after 23 years and resection of HO, the ankle joint was still able to move.
CONCLUSION It is recommended that the orthopedist should be aware of HO and distinguish it from bone tumor.
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Affiliation(s)
- Zheng Xu
- Department of Pediatric Orthopedics, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha 410013, Hunan Province, China
| | - Zhou-Zhou Rao
- Key Laboratory of Translational Cancer Stem Cell Research, Department of Physiology, Hunan Normal University School of Medicine, Changsha 410013, Hunan Province, China
| | - Zhong-Wen Tang
- Department of Pediatric Orthopedics, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha 410013, Hunan Province, China
| | - Zhen-Qi Song
- Department of Pediatric Orthopedics, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha 410013, Hunan Province, China
| | - Ming Zeng
- Department of Pediatric Orthopedics, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha 410013, Hunan Province, China
| | - Hao-Li Gong
- Department of Pediatric Orthopedics, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha 410013, Hunan Province, China
| | - Jie Wen
- Department of Pediatric Orthopedics, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha 410013, Hunan Province, China
- Department of Anatomy, Hunan Normal University school of Medicine, Changsha 410013, Hunan, China
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Pathophysiology and Emerging Molecular Therapeutic Targets in Heterotopic Ossification. Int J Mol Sci 2022; 23:ijms23136983. [PMID: 35805978 PMCID: PMC9266941 DOI: 10.3390/ijms23136983] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/19/2022] [Accepted: 06/22/2022] [Indexed: 12/23/2022] Open
Abstract
The term heterotopic ossification (HO) describes bone formation in tissues where bone is normally not present. Musculoskeletal trauma induces signalling events that in turn trigger cells, probably of mesenchymal origin, to differentiate into bone. The aetiology of HO includes extremely rare but severe, generalised and fatal monogenic forms of the disease; and as a common complex disorder in response to musculoskeletal, neurological or burn trauma. The resulting bone forms through a combination of endochondral and intramembranous ossification, depending on the aetiology, initiating stimulus and affected tissue. Given the heterogeneity of the disease, many cell types and biological pathways have been studied in efforts to find effective therapeutic strategies for the disorder. Cells of mesenchymal, haematopoietic and neuroectodermal lineages have all been implicated in the pathogenesis of HO, and the emerging dominant signalling pathways are thought to occur through the bone morphogenetic proteins (BMP), mammalian target of rapamycin (mTOR), and retinoic acid receptor pathways. Increased understanding of these disease mechanisms has resulted in the emergence of several novel investigational therapeutic avenues, including palovarotene and other retinoic acid receptor agonists and activin A inhibitors that target both canonical and non-canonical signalling downstream of the BMP type 1 receptor. In this article we aim to illustrate the key cellular and molecular mechanisms involved in the pathogenesis of HO and outline recent advances in emerging molecular therapies to treat and prevent HO that have had early success in the monogenic disease and are currently being explored in the common complex forms of HO.
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11
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Bohner M, Maazouz Y, Ginebra MP, Habibovic P, Schoenecker JG, Seeherman H, van den Beucken JJ, Witte F. Sustained local ionic homeostatic imbalance caused by calcification modulates inflammation to trigger heterotopic ossification. Acta Biomater 2022; 145:1-24. [PMID: 35398267 DOI: 10.1016/j.actbio.2022.03.057] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 03/30/2022] [Accepted: 03/31/2022] [Indexed: 12/15/2022]
Abstract
Heterotopic ossification (HO) is a condition triggered by an injury leading to the formation of mature lamellar bone in extraskeletal soft tissues. Despite being a frequent complication of orthopedic and trauma surgery, brain and spinal injury, the etiology of HO is poorly understood. The aim of this study is to evaluate the hypothesis that a sustained local ionic homeostatic imbalance (SLIHI) created by mineral formation during tissue calcification modulates inflammation to trigger HO. This evaluation also considers the role SLIHI could play for the design of cell-free, drug-free osteoinductive bone graft substitutes. The evaluation contains five main sections. The first section defines relevant concepts in the context of HO and provides a summary of proposed causes of HO. The second section starts with a detailed analysis of the occurrence and involvement of calcification in HO. It is followed by an explanation of the causes of calcification and its consequences. This allows to speculate on the potential chemical modulators of inflammation and triggers of HO. The end of this second section is devoted to in vitro mineralization tests used to predict the ectopic potential of materials. The third section reviews the biological cascade of events occurring during pathological and material-induced HO, and attempts to propose a quantitative timeline of HO formation. The fourth section looks at potential ways to control HO formation, either acting on SLIHI or on inflammation. Chemical, physical, and drug-based approaches are considered. Finally, the evaluation finishes with a critical assessment of the definition of osteoinduction. STATEMENT OF SIGNIFICANCE: The ability to regenerate bone in a spatially controlled and reproducible manner is an essential prerequisite for the treatment of large bone defects. As such, understanding the mechanism leading to heterotopic ossification (HO), a condition triggered by an injury leading to the formation of mature lamellar bone in extraskeletal soft tissues, would be very useful. Unfortunately, the mechanism(s) behind HO is(are) poorly understood. The present study reviews the literature on HO and based on it, proposes that HO can be caused by a combination of inflammation and calcification. This mechanism helps to better understand current strategies to prevent and treat HO. It also shows new opportunities to improve the treatment of bone defects in orthopedic and dental procedures.
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12
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Identification of distinct non-myogenic skeletal-muscle-resident mesenchymal cell populations. Cell Rep 2022; 39:110785. [PMID: 35545045 PMCID: PMC9535675 DOI: 10.1016/j.celrep.2022.110785] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 02/23/2022] [Accepted: 04/13/2022] [Indexed: 12/13/2022] Open
Abstract
Mesenchymal progenitors of the lateral plate mesoderm give rise to various cell fates within limbs, including a heterogeneous group of muscle-resident mesenchymal cells. Often described as fibro-adipogenic progenitors, these cells are key players in muscle development, disease, and regeneration. To further define this cell population(s), we perform lineage/reporter analysis, flow cytometry, single-cell RNA sequencing, immunofluorescent staining, and differentiation assays on normal and injured murine muscles. Here we identify six distinct Pdgfra+ non-myogenic muscle-resident mesenchymal cell populations that fit within a bipartite differentiation trajectory from a common progenitor. One branch of the trajectory gives rise to two populations of immune-responsive mesenchymal cells with strong adipogenic potential and the capability to respond to acute and chronic muscle injury, whereas the alternative branch contains two cell populations with limited adipogenic capacity and inherent mineralizing capabilities; one of the populations displays a unique neuromuscular junction association and an ability to respond to nerve injury. Leinroth et al. explore the heterogeneity of Pdgfra+ muscle-resident mesenchymal cells, demonstrating that Pdgfra+ subpopulations have unique gene expression profiles, exhibit two distinct cell trajectories from a common progenitor, differ in their abilities to respond to muscle injuries, and show variable adipogenic and mineralizing capacities.
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13
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Tseng HW, Girard D, Alexander KA, Millard SM, Torossian F, Anginot A, Fleming W, Gueguen J, Goriot ME, Clay D, Jose B, Nowlan B, Pettit AR, Salga M, Genêt F, Bousse-Kerdilès MCL, Banzet S, Lévesque JP. Spinal cord injury reprograms muscle fibroadipogenic progenitors to form heterotopic bones within muscles. Bone Res 2022; 10:22. [PMID: 35217633 PMCID: PMC8881504 DOI: 10.1038/s41413-022-00188-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 11/21/2021] [Accepted: 12/06/2021] [Indexed: 12/30/2022] Open
Abstract
The cells of origin of neurogenic heterotopic ossifications (NHOs), which develop frequently in the periarticular muscles following spinal cord injuries (SCIs) and traumatic brain injuries, remain unclear because skeletal muscle harbors two progenitor cell populations: satellite cells (SCs), which are myogenic, and fibroadipogenic progenitors (FAPs), which are mesenchymal. Lineage-tracing experiments using the Cre recombinase/LoxP system were performed in two mouse strains with the fluorescent protein ZsGreen specifically expressed in either SCs or FAPs in skeletal muscles under the control of the Pax7 or Prrx1 gene promoter, respectively. These experiments demonstrate that following muscle injury, SCI causes the upregulation of PDGFRα expression on FAPs but not SCs and the failure of SCs to regenerate myofibers in the injured muscle, with reduced apoptosis and continued proliferation of muscle resident FAPs enabling their osteogenic differentiation into NHOs. No cells expressing ZsGreen under the Prrx1 promoter were detected in the blood after injury, suggesting that the cells of origin of NHOs are locally derived from the injured muscle. We validated these findings using human NHO biopsies. PDGFRα+ mesenchymal cells isolated from the muscle surrounding NHO biopsies could develop ectopic human bones when transplanted into immunocompromised mice, whereas CD56+ myogenic cells had a much lower potential. Therefore, NHO is a pathology of the injured muscle in which SCI reprograms FAPs to undergo uncontrolled proliferation and differentiation into osteoblasts.
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Affiliation(s)
- Hsu-Wen Tseng
- Mater Research Institute-The University of Queensland, Woolloongabba, QLD, Australia
| | - Dorothée Girard
- Institut de Recherche Biomédicale des Armées (IRBA), INSERM UMRS-MD, 1197, Clamart, France
| | - Kylie A Alexander
- Mater Research Institute-The University of Queensland, Woolloongabba, QLD, Australia
| | - Susan M Millard
- Mater Research Institute-The University of Queensland, Woolloongabba, QLD, Australia
| | - Frédéric Torossian
- INSERM UMRS-MD 1197, Université de Paris-Saclay, Hôpital Paul Brousse, Villejuif, France
| | - Adrienne Anginot
- INSERM UMRS-MD 1197, Université de Paris-Saclay, Hôpital Paul Brousse, Villejuif, France
| | - Whitney Fleming
- Mater Research Institute-The University of Queensland, Woolloongabba, QLD, Australia
| | - Jules Gueguen
- Institut de Recherche Biomédicale des Armées (IRBA), INSERM UMRS-MD, 1197, Clamart, France
| | | | - Denis Clay
- INSERM UMS-44, Université de Paris-Saclay, Hôpital Paul Brousse, Villejuif, France
| | - Beulah Jose
- Mater Research Institute-The University of Queensland, Woolloongabba, QLD, Australia
| | - Bianca Nowlan
- Mater Research Institute-The University of Queensland, Woolloongabba, QLD, Australia
| | - Allison R Pettit
- Mater Research Institute-The University of Queensland, Woolloongabba, QLD, Australia
| | - Marjorie Salga
- UPOH (Unité Péri Opératoire du Handicap, Perioperative Disability Unit), Physical and Rehabilitation Medicine department, Raymond-Poincaré Hospital, Assistance Publique - Hôpitaux de Paris (AP-HP), Garches, France.,Université de Versailles Saint Quentin en Yvelines, UFR Simone Veil - Santé, END:ICAP INSERM U1179, Montigny le Bretonneux, France
| | - François Genêt
- UPOH (Unité Péri Opératoire du Handicap, Perioperative Disability Unit), Physical and Rehabilitation Medicine department, Raymond-Poincaré Hospital, Assistance Publique - Hôpitaux de Paris (AP-HP), Garches, France.,Université de Versailles Saint Quentin en Yvelines, UFR Simone Veil - Santé, END:ICAP INSERM U1179, Montigny le Bretonneux, France
| | | | - Sébastien Banzet
- Institut de Recherche Biomédicale des Armées (IRBA), INSERM UMRS-MD, 1197, Clamart, France.
| | - Jean-Pierre Lévesque
- Mater Research Institute-The University of Queensland, Woolloongabba, QLD, Australia.
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14
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Overexpression Effects of miR-424 and BMP2 on the Osteogenesis of Wharton's Jelly-Derived Stem Cells. BIOMED RESEARCH INTERNATIONAL 2021; 2021:7031492. [PMID: 34790821 PMCID: PMC8592721 DOI: 10.1155/2021/7031492] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 10/06/2021] [Accepted: 10/18/2021] [Indexed: 02/07/2023]
Abstract
Recently, the translational application of noncoding RNAs is accelerated dramatically. In this regard, discovering therapeutic roles of microRNAs by developing synthetic RNA and vector-based RNA is attracting attention. Here, we studied the effect of BMP2 and miR-424 on the osteogenesis of Wharton's jelly-derived stem cells (WJSCs). For this purpose, human BMP2 and miR-424 DNA codes were cloned in the third generation of lentiviral vectors and then used for HEK-293T cell transfection. Lentiviral plasmids contained miR424, BMP-2, miR424-BMP2, green fluorescent protein (GFP) genes, and helper vectors. The recombinant lentiviral particles transduced the WJSCs, and the osteogenesis was evaluated by real-time PCR, Western blot, Alizarin Red staining, and alkaline phosphatase enzyme activity. According to the results, there was a significant increase in the expression of the BMP2 gene and secretion of Osteocalcin protein in the group of miR424-BMP2. Moreover, the amount of dye deposition in Alizarin Red staining and alkaline phosphatase activity was significantly higher in the mentioned group (p < 0.05). Thus, the current study results clarify the efficacy of gene therapy by miR424-BMP2 vectors for bone tissue engineering. These data could help guide the development of gene therapy-based protocols for bone tissue engineering.
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15
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Contreras O, Rossi FMV, Theret M. Origins, potency, and heterogeneity of skeletal muscle fibro-adipogenic progenitors-time for new definitions. Skelet Muscle 2021; 11:16. [PMID: 34210364 PMCID: PMC8247239 DOI: 10.1186/s13395-021-00265-6] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 03/22/2021] [Indexed: 12/13/2022] Open
Abstract
Striated muscle is a highly plastic and regenerative organ that regulates body movement, temperature, and metabolism-all the functions needed for an individual's health and well-being. The muscle connective tissue's main components are the extracellular matrix and its resident stromal cells, which continuously reshape it in embryonic development, homeostasis, and regeneration. Fibro-adipogenic progenitors are enigmatic and transformative muscle-resident interstitial cells with mesenchymal stem/stromal cell properties. They act as cellular sentinels and physiological hubs for adult muscle homeostasis and regeneration by shaping the microenvironment by secreting a complex cocktail of extracellular matrix components, diffusible cytokines, ligands, and immune-modulatory factors. Fibro-adipogenic progenitors are the lineage precursors of specialized cells, including activated fibroblasts, adipocytes, and osteogenic cells after injury. Here, we discuss current research gaps, potential druggable developments, and outstanding questions about fibro-adipogenic progenitor origins, potency, and heterogeneity. Finally, we took advantage of recent advances in single-cell technologies combined with lineage tracing to unify the diversity of stromal fibro-adipogenic progenitors. Thus, this compelling review provides new cellular and molecular insights in comprehending the origins, definitions, markers, fate, and plasticity of murine and human fibro-adipogenic progenitors in muscle development, homeostasis, regeneration, and repair.
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Affiliation(s)
- Osvaldo Contreras
- Developmental and Stem Cell Biology Division, Victor Chang Cardiac Research Institute, Darlinghurst, NSW, 2010, Australia.
- St. Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Kensington, 2052, Australia.
- Departamento de Biología Celular y Molecular and Center for Aging and Regeneration (CARE-ChileUC), Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, 8331150, Santiago, Chile.
| | - Fabio M V Rossi
- Biomedical Research Centre, Department of Medical Genetics and School of Biomedical Engineering, University of British Columbia, Vancouver, BC, V6T 1Z3, Canada
| | - Marine Theret
- Biomedical Research Centre, Department of Medical Genetics and School of Biomedical Engineering, University of British Columbia, Vancouver, BC, V6T 1Z3, Canada.
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16
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Kusano T, Nakatani M, Ishiguro N, Ohno K, Yamamoto N, Morita M, Yamada H, Uezumi A, Tsuchida K. Desloratadine inhibits heterotopic ossification by suppression of BMP2-Smad1/5/8 signaling. J Orthop Res 2021; 39:1297-1304. [PMID: 32043642 DOI: 10.1002/jor.24625] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 01/30/2020] [Indexed: 02/04/2023]
Abstract
Heterotopic ossification (HO) is a pathological condition in which ectopic bone forms within soft tissues such as skeletal muscle. Human platelet-derived growth factor receptor α positive (PDGFRα+) cells, which were proved to be the original cells of HO were incubated in osteogenic differentiation medium with Food and Drug Administration-approved compounds. Alkaline phosphatase activity was measured as a screening to inhibit osteogenic differentiation. For the compounds which inhibited osteogenic differentiation of PDGFRα+ cells, we examined dose dependency of its effect using alizarin red S staining and its cell toxicity using WST-8. In addition, regulation of bone morphogenetic proteins (BMP)-Smad signaling which is the major signal of osteogenic differentiation was investigated by Western blotting to elucidate the mechanism of osteogenesis inhibitory effect by the compound. In vivo experiment, complete transverse incision of Achilles tendons in mice was made and mice were fed the compound by mixing with drinking water after operation. Ten weeks after operation, we assessed and quantified HO by micro-computed tomography scan. Intriguingly, we discovered desloratadine inhibited osteogenic differentiation of PDGFRα+ cells using the drug repositioning method. Desloratadine inhibited osteogenic differentiation of the cells dose dependently without cell toxicity. Desloratadine suppressed phosphorylation of Smad1/5/8 induced by BMP2 in PDGFRα+ cells. In Achilles tenotomy mice model, desloratadine treatment significantly inhibited ectopic bone formation compared with control. In conclusion, we discovered desloratadine inhibited osteogenic differentiation using human PDGFRα+ cells and proved its efficacy using Achilles tenotomy ectopic bone formation model in vivo. Our study paved the way to inhibit HO in early clinical use because of its guaranteed safety.
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Affiliation(s)
- Taiki Kusano
- Department of Orthopaedic Surgery, Graduate School of Medicine, Nagoya University, Nagoya, Japan.,Division for Therapies against Intractable Diseases, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake, Japan.,Division of Neurological Diseases and Cancer, Graduate School of Medicine, Nagoya University, Nagoya, Japan
| | - Masashi Nakatani
- Division for Therapies against Intractable Diseases, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake, Japan
| | - Naoki Ishiguro
- Department of Orthopaedic Surgery, Graduate School of Medicine, Nagoya University, Nagoya, Japan
| | - Kinji Ohno
- Division of Neurological Diseases and Cancer, Graduate School of Medicine, Nagoya University, Nagoya, Japan
| | - Naoki Yamamoto
- Center for Joint Research Facilities Support, Fujita Health University, Research Promotion and Support Headquarters, Toyoake, Japan
| | - Mitsuhiro Morita
- Department of Orthopaedic Surgery, Fujita Health University, Toyoake, Japan
| | - Harumoto Yamada
- Department of Orthopaedic Surgery, Fujita Health University, Toyoake, Japan
| | - Akiyoshi Uezumi
- Department of Geriatric Medicine, Tokyo Metropolitan Institute of Gerontology, Itabashi, Tokyo, Japan
| | - Kunihiro Tsuchida
- Division for Therapies against Intractable Diseases, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake, Japan
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17
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Pierce JL, Perrien DS. Do Interactions of Vitamin D 3 and BMP Signaling Hold Implications in the Pathogenesis of Fibrodysplasia Ossificans Progressiva? Curr Osteoporos Rep 2021; 19:358-367. [PMID: 33851285 PMCID: PMC8515998 DOI: 10.1007/s11914-021-00673-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/16/2021] [Indexed: 11/24/2022]
Abstract
PURPOSE OF REVIEW Fibrodysplasia ossificans progressiva (FOP) is a debilitating rare disease known for episodic endochondral heterotopic ossification (HO) caused by gain-of-function mutations in ACVR1/ALK2. However, disease severity varies among patients with identical mutations suggesting disease-modifying factors, including diet, may have therapeutic implications. The roles of vitamin D3 in calcium metabolism and chondrogenesis are known, but its effects on BMP signaling and chondrogenesis are less studied. This review attempts to assess the possibility of vitamin D's effects in FOP by exploring relevant intersections of VD3 with mechanisms of FOP flares. RECENT FINDINGS In vitro and in vivo studies suggest vitamin D suppresses inflammation, while clinical studies suggest that vitamin D3 protects against arteriosclerosis and inversely correlates with non-genetic intramuscular HO. However, the enhancement of chondrogenesis, BMP signaling, and possibly Activin A expression by vitamin D may be more relevant in FOP. There appears to be little potential for vitamin D to reduce HO in FOP, but testing the potential for excess vitamin D to promote HO may be warranted.
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Affiliation(s)
- Jessica L Pierce
- Division of Endocrinology, Metabolism, and Lipids, Department of Medicine, Emory University School of Medicine, 101 Woodruff Circle, WMRB 1027, Atlanta, GA, 30232, USA
| | - Daniel S Perrien
- Division of Endocrinology, Metabolism, and Lipids, Department of Medicine, Emory University School of Medicine, 101 Woodruff Circle, WMRB 1027, Atlanta, GA, 30232, USA.
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18
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Cook B, Walker N, Zhang Q, Chen S, Evans T. The small molecule DIPQUO promotes osteogenic differentiation via inhibition of glycogen synthase kinase 3-beta signaling. J Biol Chem 2021; 296:100696. [PMID: 33895139 PMCID: PMC8138761 DOI: 10.1016/j.jbc.2021.100696] [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: 02/20/2021] [Revised: 04/12/2021] [Accepted: 04/21/2021] [Indexed: 10/24/2022] Open
Abstract
Bone fractures are common impact injuries typically resolved through natural processes of osteogenic regeneration and bone remodeling, restoring the biological and mechanical function. However, dysfunctionality in bone healing and repair often arises in the context of aging-related chronic disorders, such as Alzheimer's disease (AD). There is unmet need for effective pharmacological modulators of osteogenic differentiation and an opportunity to probe the complex links between bone biology and cognitive disorders. We previously discovered the small molecule DIPQUO, which promotes osteoblast differentiation and bone mineralization in mouse and human cell culture models, and in zebrafish developmental and regenerative models. Here, we examined the detailed function of this molecule. First, we used kinase profiling, cellular thermal shift assays, and functional studies to identify glycogen synthase kinase 3-beta (GSK3-β) inhibition as a mechanism of DIPQUO action. Treatment of mouse C2C12 myoblasts with DIPQUO promoted alkaline phosphatase expression and activity, which could be enhanced synergistically by treatment with other GSK3-β inhibitors. Suppression of the expression or function of GSK3-β attenuated DIPQUO-dependent osteogenic differentiation. In addition, DIPQUO synergized with GSK3-β inhibitors to stimulate expression of osteoblast genes in human multipotent progenitors. Accordingly, DIPQUO promoted accumulation and activation of β-catenin. Moreover, DIPQUO suppressed activation of tau microtubule-associated protein, an AD-related effector of GSK3-β signaling. Therefore, DIPQUO has potential as both a lead candidate for bone therapeutic development and a pharmacological modulator of GSK3-β signaling in cell culture and animal models of disorders including AD.
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Affiliation(s)
- Brandoch Cook
- Department of Surgery, Weill Cornell Medicine, New York, New York, USA.
| | - Nicholas Walker
- Department of Surgery, Weill Cornell Medicine, New York, New York, USA; Program in Physiology, Biophysics & Systems Biology, Weill Cornell Medicine, New York, New York, USA
| | - Qisheng Zhang
- Department of Pharmacology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Shuibing Chen
- Department of Surgery, Weill Cornell Medicine, New York, New York, USA
| | - Todd Evans
- Department of Surgery, Weill Cornell Medicine, New York, New York, USA
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19
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Theret M, Rossi FMV, Contreras O. Evolving Roles of Muscle-Resident Fibro-Adipogenic Progenitors in Health, Regeneration, Neuromuscular Disorders, and Aging. Front Physiol 2021; 12:673404. [PMID: 33959042 PMCID: PMC8093402 DOI: 10.3389/fphys.2021.673404] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 03/19/2021] [Indexed: 02/06/2023] Open
Abstract
Normal skeletal muscle functions are affected following trauma, chronic diseases, inherited neuromuscular disorders, aging, and cachexia, hampering the daily activities and quality of life of the affected patients. The maladaptive accumulation of fibrous intramuscular connective tissue and fat are hallmarks of multiple pathologies where chronic damage and inflammation are not resolved, leading to progressive muscle replacement and tissue degeneration. Muscle-resident fibro-adipogenic progenitors are adaptable stromal cells with multilineage potential. They are required for muscle homeostasis, neuromuscular integrity, and tissue regeneration. Fibro-adipogenic progenitors actively regulate and shape the extracellular matrix and exert immunomodulatory functions via cross-talk with multiple other residents and non-resident muscle cells. Remarkably, cumulative evidence shows that a significant proportion of activated fibroblasts, adipocytes, and bone-cartilage cells, found after muscle trauma and disease, descend from these enigmatic interstitial progenitors. Despite the profound impact of muscle disease on human health, the fibrous, fatty, and ectopic bone tissues' origins are poorly understood. Here, we review the current knowledge of fibro-adipogenic progenitor function on muscle homeostatic integrity, regeneration, repair, and aging. We also discuss how scar-forming pathologies and disorders lead to dysregulations in their behavior and plasticity and how these stromal cells can control the onset and severity of muscle loss in disease. We finally explore the rationale of improving muscle regeneration by understanding and modulating fibro-adipogenic progenitors' fate and behavior.
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Affiliation(s)
- Marine Theret
- Biomedical Research Centre, Department of Medical Genetics, School of Biomedical Engineering, The University of British Columbia, Vancouver, BC, Canada
| | - Fabio M. V. Rossi
- Biomedical Research Centre, Department of Medical Genetics, School of Biomedical Engineering, The University of British Columbia, Vancouver, BC, Canada
| | - Osvaldo Contreras
- Departamento de Biología Celular y Molecular, Center for Aging and Regeneration (CARE-ChileUC), Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
- St. Vincent’s Clinical School, Faculty of Medicine, UNSW Sydney, Kensington, NSW, Australia
- Developmental and Stem Cell Biology Division, Victor Chang Cardiac Research Institute, Darlinghurst, NSW, Australia
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20
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Girard D, Torossian F, Oberlin E, Alexander KA, Gueguen J, Tseng HW, Genêt F, Lataillade JJ, Salga M, Levesque JP, Le Bousse-Kerdilès MC, Banzet S. Neurogenic Heterotopic Ossifications Recapitulate Hematopoietic Stem Cell Niche Development Within an Adult Osteogenic Muscle Environment. Front Cell Dev Biol 2021; 9:611842. [PMID: 33748104 PMCID: PMC7973025 DOI: 10.3389/fcell.2021.611842] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 02/17/2021] [Indexed: 12/11/2022] Open
Abstract
Hematopoiesis and bone interact in various developmental and pathological processes. Neurogenic heterotopic ossifications (NHO) are the formation of ectopic hematopoietic bones in peri-articular muscles that develop following severe lesions of the central nervous system such as traumatic cerebral or spinal injuries or strokes. This review will focus on the hematopoietic facet of NHO. The characterization of NHO demonstrates the presence of hematopoietic marrow in which quiescent hematopoietic stem cells (HSC) are maintained by a functional stromal microenvironment, thus documenting that NHOs are neo-formed ectopic HSC niches. Similarly to adult bone marrow, the NHO permissive environment supports HSC maintenance, proliferation and differentiation through bidirectional signaling with mesenchymal stromal cells and endothelial cells, involving cell adhesion molecules, membrane-bound growth factors, hormones, and secreted matrix proteins. The participation of the nervous system, macrophages and inflammatory cytokines including oncostatin M and transforming growth factor (TGF)-β in this process, reveals how neural circuitry fine-tunes the inflammatory response to generate hematopoietic bones in injured muscles. The localization of NHOs in the peri-articular muscle environment also suggests a role of muscle mesenchymal cells and bone metabolism in development of hematopoiesis in adults. Little is known about the establishment of bone marrow niches and the regulation of HSC cycling during fetal development. Similarities between NHO and development of fetal bones make NHOs an interesting model to study the establishment of bone marrow hematopoiesis during development. Conversely, identification of stage-specific factors that specify HSC developmental state during fetal bone development will give more mechanistic insights into NHO.
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Affiliation(s)
- Dorothée Girard
- INSERM UMRS-MD 1197, Institut de Recherche Biomédicale des Armées (IRBA), Clamart, France
| | - Frédéric Torossian
- INSERM UMRS-MD 1197, Université Paris-Saclay, Hôpital Paul Brousse, Villejuif, France
| | - Estelle Oberlin
- INSERM UMRS-MD 1197, Université Paris-Saclay, Hôpital Paul Brousse, Villejuif, France
| | - Kylie A Alexander
- Mater Research Institute-The University of Queensland, Woolloongabba, QLD, Australia
| | - Jules Gueguen
- INSERM UMRS-MD 1197, Institut de Recherche Biomédicale des Armées (IRBA), Clamart, France
| | - Hsu-Wen Tseng
- Mater Research Institute-The University of Queensland, Woolloongabba, QLD, Australia
| | - François Genêt
- INSERM U1179, Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), Versailles, France
| | | | - Marjorie Salga
- INSERM U1179, Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), Versailles, France
| | - Jean-Pierre Levesque
- Mater Research Institute-The University of Queensland, Woolloongabba, QLD, Australia
| | | | - Sébastien Banzet
- INSERM UMRS-MD 1197, Institut de Recherche Biomédicale des Armées (IRBA), Clamart, France
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21
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Elashry MI, Gaertner K, Klymiuk MC, Eldaey A, Wenisch S, Arnhold S. Characterisation of stemness and multipotency of ovine muscle-derived stem cells from various muscle sources. J Anat 2021; 239:336-350. [PMID: 33641201 PMCID: PMC8273587 DOI: 10.1111/joa.13420] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 02/16/2021] [Accepted: 02/16/2021] [Indexed: 12/25/2022] Open
Abstract
Muscle stem cells (MSCs) are a promising tool for cell‐based therapy and tissue regeneration in veterinary medicine. Evaluation of MSCs from muscles of different origins improves our understanding of their regenerative potential. The present study compared the stemness, cell proliferation, migration potential, myogenic differentiation (MD), and multipotency of MSCs for four developmentally different muscles of ovine origin. MSCs were isolated from the hind limb (HL), diaphragm (DI), extraocular (EO), and masseter (MS) muscles. Cell proliferation, migration, and stemness were examined using sulforhodamine B, and colony formation assays. Evaluation of multipotency was examined using histological and morphometric analyses, alkaline phosphatase (ALP) activity, and the expression of myogenic, adipogenic, and osteogenic markers using RT‐qPCR. Data were statistically analysed using analysis of variance. The results revealed that all experimental groups expressed stem cell markers paired box transcription factor Pax7, α7‐integrin, CD90, and platelet‐derived growth factor receptor alpha. DI and HL muscle cells displayed higher proliferation, migration, and colony formation capacities compared to the EO and MS muscle cells. HL and DI muscle cells showed increased MD, as indicated by myotube formation and relative expression of MyoD at day 7 and Myogenin at day 14. Although MS and EO muscle cells displayed impaired MD, these cells were more prone to adipogenic differentiation, as indicated by Oil Red O staining and upregulated fatty acid‐binding protein 4 and peroxisome proliferator‐activated receptor gamma expression. DI muscle cells demonstrated a higher osteogenic differentiation capability, as shown by the upregulation of osteopontin expression and an elevated ALP activity. Our data indicate that ovine HL and DI MSCs have a higher regenerative and multipotent potential than the EO and MS muscle cells. These results could be valuable for regional muscle biopsies and cell‐based therapies.
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Affiliation(s)
- Mohamed I Elashry
- Institute of Veterinary Anatomy, Histology and Embryology, Justus-Liebig-University of Giessen, Giessen, Germany
| | - Kateryna Gaertner
- Institute of Veterinary Anatomy, Histology and Embryology, Justus-Liebig-University of Giessen, Giessen, Germany
| | - Michele C Klymiuk
- Institute of Veterinary Anatomy, Histology and Embryology, Justus-Liebig-University of Giessen, Giessen, Germany
| | - Asmaa Eldaey
- Clinic of Small Animals, c/o Institute of Veterinary Anatomy, Histology and Embryology, Justus-Liebig-University of Giessen, Giessen, Germany.,Anatomy and Embryology Department, Faculty of Veterinary Medicine, University of Mansoura, Mansoura, Egypt
| | - Sabine Wenisch
- Clinic of Small Animals, c/o Institute of Veterinary Anatomy, Histology and Embryology, Justus-Liebig-University of Giessen, Giessen, Germany
| | - Stefan Arnhold
- Institute of Veterinary Anatomy, Histology and Embryology, Justus-Liebig-University of Giessen, Giessen, Germany
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22
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Shirasawa H, Matsumura N, Yoda M, Okubo K, Shimoda M, Uezumi A, Matsumoto M, Nakamura M, Horiuchi K. Retinoic Acid Receptor Agonists Suppress Muscle Fatty Infiltration in Mice. Am J Sports Med 2021; 49:332-339. [PMID: 33428447 DOI: 10.1177/0363546520984122] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND The infiltration of fat tissue into skeletal muscle, a condition referred to as muscle fatty infiltration or fatty degeneration, is regarded as an irreversible event that significantly compromises the motor function of skeletal muscle. PURPOSE To investigate the effect of retinoic acid receptor (RAR) agonists in suppressing the adipogenic differentiation of fibroadipogenic progenitors (FAPs) in vitro and fatty infiltration after rotator cuff tear in mice. STUDY DESIGN Controlled laboratory study. METHODS FAPs isolated from mouse skeletal muscle were cultured in adipogenic differentiation medium in the presence or absence of an RAR agonist. At the end of cell culture, adipogenic differentiation was evaluated by gene expression analysis and oil red O staining. A mouse model of fatty infiltration-which includes the resection of the rotator cuff, removal of the humeral head, and denervation the supraspinatus muscle-was used to induce fatty infiltration in the supraspinatus muscle. The mice were orally or intramuscularly administered with an RAR agonist after the surgery. Muscle fatty infiltration was evaluated by histology and gene expression analysis. RESULTS RAR agonists effectively inhibited the adipogenic differentiation of FAPs in vitro. Oral and intramuscular administration of RAR agonists suppressed the development of muscle fatty infiltration in the mice after rotator cuff tear. In accordance, we found a significant decrease in the number of intramuscular fat cells and suppressed expression in adipogenic markers. RAR agonists also increased the expression of the transcripts for collagens; however, an accumulation of collagenous tissues was not histologically evident in the present model. CONCLUSION Muscle fatty infiltration can be alleviated by RAR agonists through suppressing the adipogenic differentiation of FAPs. The results also suggest that RAR agonists are potential therapeutic agents for treating patients who are at risk of developing muscle fatty infiltration. The consequence of the increased expression of collagen transcripts by RAR agonists needs to be clarified. CLINICAL RELEVANCE RAR agonists can be used to prevent the development of muscle fatty infiltration after rotator cuff tear. Nevertheless, further studies are mandatory in a large animal model to examine the safety and efficacy of intramuscular injection of RAR agonists.
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Affiliation(s)
- Hideyuki Shirasawa
- Department of Orthopedic Surgery, School of Medicine, Keio University, Tokyo, Japan
| | - Noboru Matsumura
- Department of Orthopedic Surgery, School of Medicine, Keio University, Tokyo, Japan
| | - Masaki Yoda
- Laboratory of Cell and Tissue Biology, School of Medicine, Keio University, Tokyo, Japan
| | - Kazumasa Okubo
- Pharmacology, Pharmaceutical Research Department, Sato Pharmaceutical Co, Ltd, Tokyo, Japan
| | - Masayuki Shimoda
- Department of Pathology, School of Medicine, Keio University, Tokyo, Japan
| | - Akiyoshi Uezumi
- Department of Geriatric Medicine, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Morio Matsumoto
- Department of Orthopedic Surgery, School of Medicine, Keio University, Tokyo, Japan
| | - Masaya Nakamura
- Department of Orthopedic Surgery, School of Medicine, Keio University, Tokyo, Japan
| | - Keisuke Horiuchi
- Department of Orthopedic Surgery, School of Medicine, Keio University, Tokyo, Japan.,Department of Orthopedic Surgery, National Defense Medical College, Saitama, Japan
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23
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Caplliure-Llopis J, Escrivá D, Benlloch M, de la Rubia Ortí JE, Estrela JM, Barrios C. Poor Bone Quality in Patients With Amyotrophic Lateral Sclerosis. Front Neurol 2021; 11:599216. [PMID: 33391162 PMCID: PMC7775537 DOI: 10.3389/fneur.2020.599216] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 11/23/2020] [Indexed: 12/30/2022] Open
Abstract
Objective: Musculoskeletal functional deterioration in Amyotrophic lateral sclerosis (ALS) is associated with an increase in bone fractures. The purpose of this study was to evaluate the influence of sex, ALS type, on bone quality in patients with ALS compared to healthy controls. The impact on bone health of the clinical status and some metabolic parameters was also analyzed in ALS patients. Methods: A series of 33 voluntary patients with ALS, and 66 healthy individuals matched in sex and age underwent assessment of bone mass quality using quantitative ultrasound (QUS) of the calcaneus. Ultrasonic broadband attenuation (BUA), the speed of sound (SOS), stiffness index and T-score were measured. Bone mineral density (BMD) was estimated using standard equations. Apart from fat and muscle mass percentage determinations, clinical baseline measures in ALS patients included ALSFRS-R score, Barthel index for activities of daily living, pulmonary function measured using FVC, and muscular strength assessed by a modified MRC grading scale. Laboratory tests included serum calcium, 25-HO-cholecalciferol (Vitamin D), alkaline phosphatase (ALP), T4 and TSH. Results: All bone parameters evaluated were statistically significant lower in ALS patients than in healthy controls. ALS females showed significantly lower bone parameters than healthy females. According to the estimated BMD, there were 25 ALS patients (75.8%) and 36 (54.5%) healthy individuals showing an osteoporotic profile (BMD <0.700 g/cm2). Only 16.7% of the ALS females had T-scores indicative of healthy bones. There was no correlation between any of the clinical parameters analyzed and the bone QUS measurements. Vitamin D and TSH levels positively correlated with all the bone parameters. Conclusions: This study confirms that ALS patients, particularly females, exhibited deteriorated bone health as compared to healthy individuals. These structural bone changes were independent of ALS subtype and clinical status. Bone health in ALS patients seems to be related to certain metabolic parameters such as Vitamin D and TSH levels.
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Affiliation(s)
- Jordi Caplliure-Llopis
- School of Doctorate, Valencia Catholic University, Valencia, Spain.,Primary Care Services, La Ribera University Hospital, Alzira, Spain
| | - Dolores Escrivá
- Intensive Care Unit, La Fe Polytechnic and University Hospital, Valencia, Spain
| | - María Benlloch
- Department of Anatomy and Physiology, School of Medicine and Health Sciences, Valencia Catholic University, Valencia, Spain
| | - José Enrique de la Rubia Ortí
- Department of Anatomy and Physiology, School of Medicine and Health Sciences, Valencia Catholic University, Valencia, Spain
| | | | - Carlos Barrios
- Institute of Research on Musculoskeletal Disorders, Valencia Catholic University, Valencia, Spain
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24
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Endo T. M-Ras is Muscle-Ras, Moderate-Ras, Mineral-Ras, Migration-Ras, and Many More-Ras. Exp Cell Res 2020; 397:112342. [PMID: 33130177 DOI: 10.1016/j.yexcr.2020.112342] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 10/23/2020] [Indexed: 11/19/2022]
Abstract
The Ras family of small GTPases comprises about 36 members in humans. M-Ras is related to classical Ras with regard to its regulators and effectors, but solely constitutes a subfamily among the Ras family members. Although classical Ras strongly binds Raf and highly activates the ERK pathway, M-Ras less strongly binds Raf and moderately but sustainedly activates the ERK pathway to induce neuronal differentiation. M-Ras also possesses specific effectors, including RapGEFs and the PP1 complex Shoc2-PP1c, which dephosphorylates Raf to activate the ERK pathway. M-Ras is highly expressed in the brain and plays essential roles in dendrite formation during neurogenesis, in contrast to the axon formation by R-Ras. M-Ras is also highly expressed in the bone and induces osteoblastic differentiation and transdifferentiation accompanied by calcification. Moreover, M-Ras elicits epithelial-mesenchymal transition-mediated collective and single cell migration through the PP1 complex-mediated ERK pathway activation. Activating missense mutations in the MRAS gene have been detected in Noonan syndrome, one of the RASopathies, and MRAS gene amplification occurs in several cancers. Furthermore, several SNPs in the MRAS gene are associated with coronary artery disease, obesity, and dyslipidemia. Therefore, M-Ras carries out a variety of cellular, physiological, and pathological functions. Further investigations may reveal more functions of M-Ras.
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Affiliation(s)
- Takeshi Endo
- Department of Biology, Graduate School of Science, Chiba University, 1-33 Yayoicho, Inageku, Chiba, Chiba 263-8522, Japan.
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25
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Zhang Y, Chen XF, Li J, He F, Li X, Guo Y. lncRNA Neat1 Stimulates Osteoclastogenesis Via Sponging miR-7. J Bone Miner Res 2020; 35:1772-1781. [PMID: 32353178 DOI: 10.1002/jbmr.4039] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 04/10/2020] [Accepted: 04/22/2020] [Indexed: 12/25/2022]
Abstract
Increasing evidence uncover the essential role of long noncoding RNA (lncRNAs) in bone metabolism and the association of lncRNA with genetic risk of osteoporosis. However, whether lncRNA nuclear paraspeckle assembly transcript 1 (Neat1) is involved remains largely unknown. In the present study, we found that Neat1 is induced by osteoclastic differentiation stimuli. Knockdown of Neat1 attenuates osteoclast formation whereas overexpression of Neat1 accelerates osteoclast formation. In vivo evidence showed that enhanced Neat1 expression stimulates osteoclastogenesis and reduces bone mass in mice. Mechanically, Neat1 competitively binds with microRNA 7 (miR-7) and blocks its function for regulating protein tyrosine kinase 2 (PTK2). Intergenic SNP rs12789028 acts as allele-specific long-range enhancer for NEAT1 via chromatin interactions. We establish for the first time that Neat1 plays an essential role in osteoclast differentiation, and provide genetic mechanism underlying the association of NEAT1 locus with osteoporosis risk. These results enrich the current knowledge of NEAT1 function, and uncover the potential of NEAT1 as a therapeutic target for osteoporosis. © 2020 American Society for Bone and Mineral Research.
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Affiliation(s)
- Yan Zhang
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, People's Republic of China
| | - Xiao-Feng Chen
- Key Laboratory of Biomedical Information Engineering of Ministry of Education, and Biomedical Informatics & Genomics Center, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, People's Republic of China
| | - Jing Li
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, People's Republic of China
| | - Fang He
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, People's Republic of China
| | - Xu Li
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, People's Republic of China
| | - Yan Guo
- Key Laboratory of Biomedical Information Engineering of Ministry of Education, and Biomedical Informatics & Genomics Center, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, People's Republic of China
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26
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Wolcott KM, Woodard GE. CD34 positive cells isolated from traumatized human skeletal muscle require the CD34 protein for multi-potential differentiation. Cell Signal 2020; 74:109711. [PMID: 32702440 DOI: 10.1016/j.cellsig.2020.109711] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 07/08/2020] [Accepted: 07/08/2020] [Indexed: 01/24/2023]
Abstract
The CD34 protein is regarded as a marker of stem cells from multiple origins. Recently a mesenchymal progenitor CD34 positive cell identified from traumatized human skeletal muscle demonstrates differentiation capability into vascular endothelial cells, osteoblasts and adipocytes. Here they were treated with a small inhibitory RNA for CD34, which significantly reduced the cellular level of the CD34 protein. These treated cells had a reduced capacity to proliferate, and migrate. They were both unable to differentiation down multiple pathways and to undergo vascular endothelial differentiation as reflected by a lack of expression of VE cadherin, Tie 2 and CD31. Additionally the cells were unable to form tube-like structures in an endothelial tube assay. These treated cells were also unable to undergo osteogenesis, as revealed by lack of alizarin red and alkaline phosphatase staining and were unable to undergo adipogenesis as revealed by lack of oil red O staining. Finally, when CD34 was expressed in cells lacking this protein, the cells were able to undergo vascular endothelial differentiation as revealed by expression of Tie2, VE-cadherin and CD31. These data indicate that in cells derived from traumatized muscle the CD34 protein is required for enhanced proliferation, migration and differentiation down multiple pathways.
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Affiliation(s)
- Karen M Wolcott
- Laboratory of Genome Integrity, Nation Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Geoffrey E Woodard
- Uniformed Services University of Health Sciences, Bethesda, MD, United States.
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27
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Contreras O, Soliman H, Theret M, Rossi FMV, Brandan E. TGF-β-driven downregulation of the Wnt/β-Catenin transcription factor TCF7L2/TCF4 in PDGFRα+ fibroblasts. J Cell Sci 2020; 133:jcs.242297. [DOI: 10.1242/jcs.242297] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 04/29/2020] [Indexed: 12/12/2022] Open
Abstract
Mesenchymal stromal/stem cells (MSCs) are multipotent progenitors essential for organogenesis, tissue homeostasis, regeneration, and scar formation. Tissue injury upregulates TGF-β signaling, which modulates myofibroblast fate, extracellular matrix remodeling, and fibrosis. However, the molecular determinants of MSCs differentiation and survival remain poorly understood. The canonical Wnt Tcf/Lef transcription factors regulate development and stemness, but the mechanisms by which injury-induced cues modulate their expression remain underexplored. Here, we studied the cell-specific gene expression of Tcf/Lef and, more specifically, we investigated whether damage-induced TGF-β impairs the expression and function of TCF7L2, using several models of MSCs, including skeletal muscle fibro-adipogenic progenitors. We show that Tcf/Lefs are differentially expressed and that TGF-β reduces the expression of TCF7L2 in MSCs but not in myoblasts. We also found that the ubiquitin-proteasome system regulates TCF7L2 proteostasis and participates in TGF-β-mediated TCF7L2 protein downregulation. Finally, we show that TGF-β requires HDACs activity to repress the expression of TCF7L2. Thus, our work found a novel interplay between TGF-β and Wnt canonical signaling cascades in PDGFRα+ fibroblasts and suggests that this mechanism could be targeted in tissue repair and regeneration.
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Affiliation(s)
- Osvaldo Contreras
- Departamento de Biología Celular y Molecular and Center for Aging and Regeneration (CARE-ChileUC), Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, 8331150 Santiago, Chile
- Biomedical Research Centre, Department of Medical Genetics and School of Biomedical Engineering, University of British Columbia, V6T 1Z3 Vancouver, BC, Canada
- Present address: Developmental and Stem Cell Biology Division, Victor Chang Cardiac Research Institute, Darlinghurst, NSW, 2010, Australia
| | - Hesham Soliman
- Biomedical Research Centre, Department of Medical Genetics and School of Biomedical Engineering, University of British Columbia, V6T 1Z3 Vancouver, BC, Canada
- Faculty of Pharmacy, Minia University, 61519 Minia, Egypt
| | - Marine Theret
- Biomedical Research Centre, Department of Medical Genetics and School of Biomedical Engineering, University of British Columbia, V6T 1Z3 Vancouver, BC, Canada
| | - Fabio M. V. Rossi
- Biomedical Research Centre, Department of Medical Genetics and School of Biomedical Engineering, University of British Columbia, V6T 1Z3 Vancouver, BC, Canada
| | - Enrique Brandan
- Departamento de Biología Celular y Molecular and Center for Aging and Regeneration (CARE-ChileUC), Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, 8331150 Santiago, Chile
- Fundación Ciencia & Vida, Santiago, Chile
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28
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Zhu Y, Long HT, Zeng L, Tang YF, Zhao RB, Lin ZY, Zhao SS, Cheng L. MiR-19b-3p regulates osteogenic differentiation of PDGFRα + muscle cells by specifically targeting PTEN. Cell Biol Int 2019; 43:565-573. [PMID: 30958604 DOI: 10.1002/cbin.11133] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 03/16/2019] [Indexed: 01/08/2023]
Abstract
Heterotopic ossification (HO) is a common disturbing complication of intra-articular fractures. Its prevention and treatment are still difficult as its pathogenesis is unclear. It was reported that PDGFRα+ muscle cells in skeletal muscle may participate in the formation of HO; however, the specific mechanism is still unknown. This study investigated the function of miR-19b-3p in osteogenic differentiation of PDGFRα+ muscle cells. MiR-19b-3p was upregulated during PDGFRα+ muscle cell osteogenic differentiation. The exogenous expression of miR-19b-3p led to an increase in osteogenic marker gene transcription and translation during the osteogenic differentiation of PDGFRα+ muscle cells. Furthermore, both alkaline phosphatase and alizarin red staining increased in miR-19b-3p mimic transfected cells. Over-expression of miR-19b-3p led to the down-regulation of gene of phosphate and tension homology deleted on chromosome ten (PTEN). Additionally, the dual luciferase reporter assay demonstrated that PTEN was a direct target of miR-19b-3p. The increase of osteocalcin, osteopontin, and Runt-related transcription factor 2 protein levels induced by ectopic miR-19b-3p expression could be partially reversed by PTEN over-expression. In conclusion, our results suggested that miR-19b-3p may be a promising target in inhibiting PDGFRα+ muscle cell osteogenic differentiation and treatment of HO.
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Affiliation(s)
- Yong Zhu
- Department of Orthopaedics, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008 Hunan, People's Republic of China
| | - Hai-Tao Long
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008 Hunan, People's Republic of China
| | - Lei Zeng
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008 Hunan, People's Republic of China
| | - Yi-Fu Tang
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008 Hunan, People's Republic of China
| | - Rui-Bo Zhao
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008 Hunan, People's Republic of China
| | - Zhang-Yuan Lin
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008 Hunan, People's Republic of China
| | - Shu-Shan Zhao
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008 Hunan, People's Republic of China
| | - Liang Cheng
- Department of Orthopaedics, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008 Hunan, People's Republic of China
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29
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Teng S, Huang P. The effect of type 2 diabetes mellitus and obesity on muscle progenitor cell function. Stem Cell Res Ther 2019; 10:103. [PMID: 30898146 PMCID: PMC6427880 DOI: 10.1186/s13287-019-1186-0] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
In addition to its primary function to provide movement and maintain posture, the skeletal muscle plays important roles in energy and glucose metabolism. In healthy humans, skeletal muscle is the major site for postprandial glucose uptake and impairment of this process contributes to the pathogenesis of type 2 diabetes mellitus (T2DM). A key component to the maintenance of skeletal muscle integrity and plasticity is the presence of muscle progenitor cells, including satellite cells, fibroadipogenic progenitors, and some interstitial progenitor cells associated with vessels (myo-endothelial cells, pericytes, and mesoangioblasts). In this review, we aim to discuss the emerging concepts related to these progenitor cells, focusing on the identification and characterization of distinct progenitor cell populations, and the impact of obesity and T2DM on these cells. The recent advances in stem cell therapies by targeting diabetic and obese muscle are also discussed.
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Affiliation(s)
- Shuzhi Teng
- The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, 126 Xinmin Street, Changchun, Jilin, 130021, People's Republic of China.
| | - Ping Huang
- The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, 126 Xinmin Street, Changchun, Jilin, 130021, People's Republic of China.
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30
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Li X, Zheng Y, Zheng Y, Huang Y, Zhang Y, Jia L, Li W. Circular RNA CDR1as regulates osteoblastic differentiation of periodontal ligament stem cells via the miR-7/GDF5/SMAD and p38 MAPK signaling pathway. Stem Cell Res Ther 2018; 9:232. [PMID: 30170617 PMCID: PMC6119336 DOI: 10.1186/s13287-018-0976-0] [Citation(s) in RCA: 190] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 08/03/2018] [Accepted: 08/08/2018] [Indexed: 12/22/2022] Open
Abstract
Background Periodontal ligament stem cells (PDLSCs) are considered as candidate cells for the regeneration of periodontal and alveolar bone tissues. Antisense to the cerebellar degeneration-related protein 1 transcript (CDR1as), which is a newly discovered circular RNA (circRNA), has been reported to act as an miR-7 sponge and to be involved in many biological processes. Here, we investigated the potential roles of CDR1as and miR-7 in the osteogenic differentiation of PDLSCs. Methods The expression pattern of CDR1as and miR-7 in PDLSCs during osteogenesis was detected by quantitative reverse-transcription polymerase chain reaction (qRT-PCR). Then we overexpressed or knocked down CDR1as or miR-7 to confirm whether they were involved in the regulation of osteoblast differentiation in PDLSCs. Alkaline phosphatase (ALP) and alizarin red S (ARS) staining were used to detect the activity of osteoblasts and mineral deposition. Furthermore, a dual luciferase reporter assay was conducted to analyze the binding of miR-7 to growth differentiation factor (GDF)5. To further verify the role of CDR1as in osteoblast differentiation, we conducted animal experiments in vivo. New bone formation in specimens was analyzed by microcomputed tomography (micro-CT), hematoxylin and eosin staining, and immunofluorescence staining. Results We observed that CDR1as was significantly upregulated during the osteogenic differentiation, whereas miR-7 was significantly downregulated. Moreover, knockdown of CDR1as and overexpression of miR-7 inhibited the ALP activity, ARS staining, and expression of osteogenic genes. Overexpression of miR-7 significantly reduced the activity of luciferase reporter vectors containing the wild-type, but not the mutant, 3’ untranslated region (UTR) sequence of GDF5. Furthermore, knockdown of GDF5 partially reversed the effects of miR-7 inhibitor on osteoblast differentiation. Downregulation of CDR1as or GDF5 subsequently inhibited phosphorylation of Smad1/5/8 and p38 mitogen-activated protein kinases (MAPK), while upregulation of miR-7 decreased the level of phosphorylated Smad1/5/8 and p38 MAPK. In vivo, CDR1as knockdown lead to less bone formation compared with the control group as revealed by micro-CT and the histological analysis. Conclusions Our results demonstrated that CDR1as acts as a miR-7 inhibitor, triggering the upregulation of GDF5 and subsequent Smad1/5/8 and p38 MAPK phosphorylation to promote osteogenic differentiation of PDLSCs. This study provides a novel understanding of the mechanisms of osteogenic differentiation, and suggests a potential method for promoting bone formation. Electronic supplementary material The online version of this article (10.1186/s13287-018-0976-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xiaobei Li
- Department of Orthodontics, Peking University School and Hospital of Stomatology, 22 Zhongguancun Avenue South, Haidian District, Beijing, 100081, People's Republic of China
| | - Yunfei Zheng
- Department of Orthodontics, Peking University School and Hospital of Stomatology, 22 Zhongguancun Avenue South, Haidian District, Beijing, 100081, People's Republic of China
| | - Yan Zheng
- Department of Oral Implantology, Peking University School and Hospital of Stomatology, 22 Zhongguancun Avenue South, Haidian District, Beijing, 100081, People's Republic of China
| | - Yiping Huang
- Department of Orthodontics, Peking University School and Hospital of Stomatology, 22 Zhongguancun Avenue South, Haidian District, Beijing, 100081, People's Republic of China
| | - Yixin Zhang
- Department of Orthodontics, Peking University School and Hospital of Stomatology, 22 Zhongguancun Avenue South, Haidian District, Beijing, 100081, People's Republic of China
| | - Lingfei Jia
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, 22 Zhongguancun Avenue South, Haidian District, Beijing, 100081, People's Republic of China. .,Central Laboratory, Peking University School and Hospital of Stomatology, 22 Zhongguancun Avenue South, Haidian District, Beijing, 100081, People's Republic of China.
| | - Weiran Li
- Department of Orthodontics, Peking University School and Hospital of Stomatology, 22 Zhongguancun Avenue South, Haidian District, Beijing, 100081, People's Republic of China.
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32
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Cholok D, Chung MT, Ranganathan K, Ucer S, Day D, Davis TA, Mishina Y, Levi B. Heterotopic ossification and the elucidation of pathologic differentiation. Bone 2018; 109:12-21. [PMID: 28987285 PMCID: PMC6585944 DOI: 10.1016/j.bone.2017.09.019] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 09/27/2017] [Accepted: 09/27/2017] [Indexed: 01/23/2023]
Abstract
Tissue regeneration following acute or persistent inflammation can manifest a spectrum of phenotypes ranging from the adaptive to the pathologic. Heterotopic Ossification (HO), the endochondral formation of bone within soft-tissue structures following severe injury serves as a prominent example of pathologic differentiation; and remains a persistent clinical issue incurring significant patient morbidity and expense to adequately diagnose and treat. The pathogenesis of HO provides an intriguing opportunity to better characterize the cellular and cell-signaling contributors to aberrant differentiation. Indeed, recent work has continued to resolve the unique cellular lineages, and causative pathways responsible for ectopic bone development yielding promising avenues for the development of novel therapeutic strategies shown to be successful in analogous animal models of HO development. This review details advances in the understanding of HO in the context of inciting inflammation, and explains how these advances inform the current standards of diagnosis and treatment.
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Affiliation(s)
- David Cholok
- Department of Surgery, University of Michigan Health System, Ann Arbor, MI, USA
| | - Michael T Chung
- Department of Surgery, University of Michigan Health System, Ann Arbor, MI, USA
| | - Kavitha Ranganathan
- Department of Surgery, University of Michigan Health System, Ann Arbor, MI, USA
| | - Serra Ucer
- Department of Surgery, University of Michigan Health System, Ann Arbor, MI, USA
| | - Devaveena Day
- Regenerative Medicine Department, Naval Medical Research Center, Silver Spring, MD, USA
| | - Thomas A Davis
- Regenerative Medicine Department, Naval Medical Research Center, Silver Spring, MD, USA; Department of Surgery, Uniformed Services University of the Health Sciences & the Walter Reed National Military Medical Center, Bethesda, MD, USA
| | - Yuji Mishina
- School of Dentistry, University of Michigan, Ann Arbor, MI, USA
| | - Benjamin Levi
- Department of Surgery, University of Michigan Health System, Ann Arbor, MI, USA.
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Lees-Shepard JB, Goldhamer DJ. Stem cells and heterotopic ossification: Lessons from animal models. Bone 2018; 109:178-186. [PMID: 29409971 PMCID: PMC5866227 DOI: 10.1016/j.bone.2018.01.029] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Revised: 01/22/2018] [Accepted: 01/24/2018] [Indexed: 12/21/2022]
Abstract
Put most simply, heterotopic ossification (HO) is the abnormal formation of bone at extraskeletal sites. HO can be classified into two main subtypes, genetic and acquired. Acquired HO is a common complication of major connective tissue injury, traumatic central nervous system injury, and surgical interventions, where it can cause significant pain and postoperative disability. A particularly devastating form of HO is manifested in the rare genetic disorder, fibrodysplasia ossificans progressiva (FOP), in which progressive heterotopic bone formation occurs throughout life, resulting in painful and disabling cumulative immobility. While the central role of stem/progenitor cell populations in HO is firmly established, the identity of the offending cell type(s) remains to be conclusively determined, and little is known of the mechanisms that direct these progenitor cells to initiate cartilage and bone formation. In this review, we summarize current knowledge of the cells responsible for acquired HO and FOP, highlighting the strengths and weaknesses of animal models used to interrogate the cellular origins of HO.
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Affiliation(s)
- John B Lees-Shepard
- Department of Molecular & Cell Biology, University of Connecticut Stem Cell Institute, University of Connecticut, Storrs, CT 06269, United States
| | - David J Goldhamer
- Department of Molecular & Cell Biology, University of Connecticut Stem Cell Institute, University of Connecticut, Storrs, CT 06269, United States.
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Wang H, Yi J, Li X, Xiao Y, Dhakal K, Zhou J. ALS-associated mutation SOD1 G93A leads to abnormal mitochondrial dynamics in osteocytes. Bone 2018; 106:126-138. [PMID: 29030231 PMCID: PMC5718158 DOI: 10.1016/j.bone.2017.10.010] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 10/05/2017] [Accepted: 10/09/2017] [Indexed: 12/13/2022]
Abstract
While the death of motor neuron is a pathological hallmark of amyotrophic lateral sclerosis (ALS), defects in other cell types or organs may also actively contribute to ALS disease progression. ALS patients experience progressive skeletal muscle wasting that may not only exacerbate neuronal degeneration, but likely has a significant impact on bone function. In our previous published study, we have discovered severe bone loss in an ALS mouse model with overexpression of ALS-associated mutation SOD1G93A (G93A). Here we further provide a mechanistic understanding of the bone loss in ALS animal and cellular models. Combining mitochondrial fluorescent indicators and confocal live cell imaging, we discovered abnormalities in mitochondrial network and dynamics in primary osteocytes derived from the same ALS mouse model G93A. Those mitochondrial defects occur in ALS mice after the onset of neuromuscular symptoms, indicating that mitochondria in bone cells respond to muscle atrophy during ALS disease progression. To examine whether ALS mutation has a direct contribution to mitochondrial dysfunction independent of muscle atrophy, we evaluated mitochondrial morphology and motility in cultured osteocytes (MLO-Y4) with overexpression of mitochondrial targeted SOD1G93A. Compared with osteocytes overexpressing the wild type SOD1 as a control, the SOD1G93A osteocytes showed similar defects in mitochondrial network and dynamic as that of the primary osteocytes derived from the ALS mouse model. In addition, we further discovered that overexpression of SOD1G93A enhanced the expression level of dynamin-related protein 1 (Drp1), a key protein promoting mitochondrial fission activity, and reduced the expression level of optic atrophy protein 1 (OPA1), a key protein related to mitochondrial fusion. A specific mitochondrial fission inhibitor (Mdivi-1) partially reversed the effect of SOD1G93A on mitochondrial network and dynamics, indicating that SOD1G93A likely promotes mitochondrial fission, but suppresses the fusion activity. Our data provide the first evidence that mitochondria show abnormality in osteocytes derived from an ALS mouse model. The accumulation of mutant SOD1G93A protein inside mitochondria directly causes dysfunction in mitochondrial dynamics in cultured MLO-Y4 osteocytes. In addition, the ALS mutation SOD1G93A-mediated dysfunction in mitochondrial dynamics is associated with an enhanced apoptosis in osteocytes, which could be a potential mechanism underlying the bone loss during ALS progression.
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Affiliation(s)
- Huan Wang
- Kansas City University of Medicine and Bioscience, Kansas City, MO, USA
| | - Jianxun Yi
- Kansas City University of Medicine and Bioscience, Kansas City, MO, USA
| | - Xuejun Li
- Kansas City University of Medicine and Bioscience, Kansas City, MO, USA
| | - Yajuan Xiao
- Kansas City University of Medicine and Bioscience, Kansas City, MO, USA
| | - Kamal Dhakal
- Kansas City University of Medicine and Bioscience, Kansas City, MO, USA
| | - Jingsong Zhou
- Kansas City University of Medicine and Bioscience, Kansas City, MO, USA.
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Gu H, Xu J, Huang Z, Wu L, Zhou K, Zhang Y, Chen J, Xia J, Yin X. Identification and differential expression of microRNAs in 1, 25-dihydroxyvitamin D3-induced osteogenic differentiation of human adipose-derived mesenchymal stem cells. Am J Transl Res 2017; 9:4856-4871. [PMID: 29218085 PMCID: PMC5714771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Accepted: 10/18/2017] [Indexed: 06/07/2023]
Abstract
The aim of this study was to identify specific microRNAs (miRNAs) and their regulatory roles in the process of 1, 25-dihydroxyvitamin D3-induced (VD3-induced) osteogenic differentiation of human adipose-derived Mesenchymal stem cells (hAMSCs). The differentially expressed miRNAs in VD3-induced hAMSCs was examined. The putative target genes of these miRNAs were predicted. A total of 76 conserved miRNAs, including 18 miRNAs were significantly up-regulated and 58 miRNAs were significantly downregulated, and significantly differentially expressed between the two samples. The expression of 4 upregulated miRNAs (miR-1-3p, miR-1247-5p, miR-217, and miRNA-483) and 5 downregulated miRNAs (miR-1284, miR-218, miR-582-3p, miR-187-3p, and miRNA-122-5p) were verified. The highly enriched GOs and KEGG pathway showed target genes of these miRNAs were significantly involved in multiple biological processes (signal transduction, cell differentiation, cell adhesion and cell proliferation), and several osteogenic pathways (MAPK signaling pathway, TGF-β/BMP signaling pathway, and Wnt signaling pathway). Finally, TGF-β/BMP signaling pathway was selected for target verification and function analysis. We observed that a number of osteo-genes in the TGF-β/BMP superfamily, such as BMPRI, BMPRII, TGFBRI, TGFBRII, BMP4, TGFβ, Smad2, 3, 8, were predicted to be target gene of the differentially expressed miRNAs. Among them, TGFB, BMP4, BMPRI, and Smad8, which are positive regulators in osteoblast differentiation, were confirmed to be significantly up-regulated in VD3-induced cells by qRT-PCR; while Smad6 and activinRI, which are negative regulators of the TGF-β/BMP superfamily, were shown to be significantly down-regulated. These results will help to understand the role of miRNA in the regulation of the osteogenic differentiation of hAMSCs.
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Affiliation(s)
- Huijie Gu
- Department of Orthopedics, Minhang Hospital, Fudan UniversityShanghai 201199, China
| | - Jun Xu
- Department of Orthopedics, Minhang Hospital, Fudan UniversityShanghai 201199, China
| | - Zhongyue Huang
- Department of Orthopedics, Minhang Hospital, Fudan UniversityShanghai 201199, China
| | - Liang Wu
- Department of Orthopedics, Minhang Hospital, Fudan UniversityShanghai 201199, China
| | - Kaifeng Zhou
- Department of Orthopedics, Minhang Hospital, Fudan UniversityShanghai 201199, China
| | - Yiming Zhang
- Department of Orthopedics, Minhang Hospital, Fudan UniversityShanghai 201199, China
| | - Jiong Chen
- Department of Orthopedics, Minhang Hospital, Fudan UniversityShanghai 201199, China
| | - Jiangni Xia
- Department of Orthopedics, Minhang Hospital, Fudan UniversityShanghai 201199, China
| | - Xiaofan Yin
- Department of Orthopedics, Minhang Hospital, Fudan UniversityShanghai 201199, China
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Torossian F, Guerton B, Anginot A, Alexander KA, Desterke C, Soave S, Tseng HW, Arouche N, Boutin L, Kulina I, Salga M, Jose B, Pettit AR, Clay D, Rochet N, Vlachos E, Genet G, Debaud C, Denormandie P, Genet F, Sims NA, Banzet S, Levesque JP, Lataillade JJ, Le Bousse-Kerdilès MC. Macrophage-derived oncostatin M contributes to human and mouse neurogenic heterotopic ossifications. JCI Insight 2017; 2:96034. [PMID: 29093266 DOI: 10.1172/jci.insight.96034] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Accepted: 09/26/2017] [Indexed: 02/04/2023] Open
Abstract
Neurogenic heterotopic ossification (NHO) is the formation of ectopic bone generally in muscles surrounding joints following spinal cord or brain injury. We investigated the mechanisms of NHO formation in 64 patients and a mouse model of spinal cord injury-induced NHO. We show that marrow from human NHOs contains hematopoietic stem cell (HSC) niches, in which mesenchymal stromal cells (MSCs) and endothelial cells provide an environment supporting HSC maintenance, proliferation, and differentiation. The transcriptomic signature of MSCs from NHOs shows a neuronal imprinting associated with a molecular network required for HSC support. We demonstrate that oncostatin M (OSM) produced by activated macrophages promotes osteoblastic differentiation and mineralization of human muscle-derived stromal cells surrounding NHOs. The key role of OSM was confirmed using an experimental model of NHO in mice defective for the OSM receptor (OSMR). Our results provide strong evidence that macrophages contribute to NHO formation through the osteogenic action of OSM on muscle cells within an inflammatory context and suggest that OSM/OSMR could be a suitable therapeutic target. Altogether, the evidence of HSCs in ectopic bones growing at the expense of soft tissue in spinal cord/brain-injured patients indicates that inflammation and muscle contribute to HSC regulation by the brain-bone-blood triad.
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Affiliation(s)
- Frédéric Torossian
- Inserm UMR-S-MD1197, Paris 11 University, Paul Brousse Hospital, Villejuif, France
| | - Bernadette Guerton
- Inserm UMR-S-MD1197, Paris 11 University, Paul Brousse Hospital, Villejuif, France
| | - Adrienne Anginot
- Inserm UMR-S-MD1197, Paris 11 University, Paul Brousse Hospital, Villejuif, France
| | - Kylie A Alexander
- Mater Research Institute, The University of Queensland, Translational Research Institute, Woolloongabba, Queensland, Australia
| | | | - Sabrina Soave
- Inserm UMR-S-MD1197, Paris 11 University, Paul Brousse Hospital, Villejuif, France
| | - Hsu-Wen Tseng
- Mater Research Institute, The University of Queensland, Translational Research Institute, Woolloongabba, Queensland, Australia
| | - Nassim Arouche
- Inserm UMR-S-MD1197, Paris 11 University, Paul Brousse Hospital, Villejuif, France
| | - Laetitia Boutin
- Inserm UMR-S-MD1197, Paris 11 University, Paul Brousse Hospital, Villejuif, France
| | - Irina Kulina
- Mater Research Institute, The University of Queensland, Translational Research Institute, Woolloongabba, Queensland, Australia
| | - Marjorie Salga
- Mater Research Institute, The University of Queensland, Translational Research Institute, Woolloongabba, Queensland, Australia.,Université de Versailles Saint-Quentin-en-Yvelines, Evolution of neuromuscular diseases: innovative concepts and practices, Inserm U1179, Montigny le Bretonneux, France
| | - Beulah Jose
- Mater Research Institute, The University of Queensland, Translational Research Institute, Woolloongabba, Queensland, Australia
| | - Allison R Pettit
- Mater Research Institute, The University of Queensland, Translational Research Institute, Woolloongabba, Queensland, Australia
| | - Denis Clay
- UMS33, Paris 11 University, Paul Brousse Hospital, Villejuif, France
| | - Nathalie Rochet
- Université Côte d'Azur, CNRS, Inserm, Institut de Biologie Valrose, Nice, France
| | - Erica Vlachos
- Service de Médecine Physique et de Réadaptation, Paris 12 University, Garches, France
| | - Guillaume Genet
- Service de Médecine Physique et de Réadaptation, Paris 12 University, Garches, France
| | - Charlotte Debaud
- Université de Versailles Saint-Quentin-en-Yvelines, Evolution of neuromuscular diseases: innovative concepts and practices, Inserm U1179, Montigny le Bretonneux, France.,Service de Médecine Physique et de Réadaptation, Paris 12 University, Garches, France
| | - Philippe Denormandie
- Service de Médecine Physique et de Réadaptation, Paris 12 University, Garches, France
| | - François Genet
- Université de Versailles Saint-Quentin-en-Yvelines, Evolution of neuromuscular diseases: innovative concepts and practices, Inserm U1179, Montigny le Bretonneux, France.,Service de Médecine Physique et de Réadaptation, Paris 12 University, Garches, France
| | - Natalie A Sims
- St. Vincent's Institute of Medical Research and Department of Medicine, St. Vincent's Hospital, The University of Melbourne, Fitzroy, Victoria, Australia
| | - Sébastien Banzet
- Inserm UMR-S-MD1197, Paris 11 University, Paul Brousse Hospital, Villejuif, France.,Centre de Transfusion Sanguine des Armées, L'Institut de Recherche Biomédicale des Armées, Clamart, France
| | - Jean-Pierre Levesque
- Mater Research Institute, The University of Queensland, Translational Research Institute, Woolloongabba, Queensland, Australia
| | - Jean-Jacques Lataillade
- Inserm UMR-S-MD1197, Paris 11 University, Paul Brousse Hospital, Villejuif, France.,Centre de Transfusion Sanguine des Armées, L'Institut de Recherche Biomédicale des Armées, Clamart, France
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Kim KI, Jeong S, Han N, Oh JM, Oh KH, Kim IW. Identification of differentially expressed miRNAs associated with chronic kidney disease-mineral bone disorder. Front Med 2017. [PMID: 28623542 DOI: 10.1007/s11684-017-0541-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The purpose of this study is to characterize a meta-signature of differentially expressed mRNA in chronic kidney disease (CKD) to predict putative microRNA (miRNA) in CKD-mineral bone disorder (CKD-MBD) and confirm the changes in these genes and miRNA expression under uremic conditions by using a cell culture system. PubMed searches using MeSH terms and keywords related to CKD, uremia, and mRNA arrays were conducted. Through a computational analysis, a meta-signature that characterizes the significant intersection of differentially expressed mRNA and expected miRNAs associated with CKD-MBD was determined. Additionally, changes in gene and miRNA expressions under uremic conditions were confirmed with human Saos-2 osteoblast-like cells. A statistically significant mRNA meta-signature of upregulated and downregulated mRNA levels was identified. Furthermore, miRNA expression profiles were inferred, and computational analyses were performed with the imputed microRNA regulation based on weighted ranked expression and putative microRNA targets (IMRE) method to identify miRNAs associated with CKD occurrence. TLR4 and miR-146b levels were significantly associated with CKD-MBD. TLR4 levels were significantly downregulated, whereas primiR- 146b and miR-146b were upregulated in the presence of uremic toxins in human Saos-2 osteoblast-like cells. Differentially expressed miRNAs associated with CKD-MBD were identified through a computational analysis, and changes in gene and miRNA expressions were confirmed with an in vitro cell culture system.
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Affiliation(s)
- Kyung Im Kim
- College of Pharmacy, Korea University, Sejong, 30019, Republic of Korea
| | - Sohyun Jeong
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Nayoung Han
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jung Mi Oh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Kook-Hwan Oh
- Division of Nephrology, Department of Internal Medicine, Seoul National University Hospital, Seoul, 03080, Republic of Korea
| | - In-Wha Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
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Shirasawa H, Matsumura N, Shimoda M, Oki S, Yoda M, Tohmonda T, Kanai Y, Matsumoto M, Nakamura M, Horiuchi K. Inhibition of PDGFR signaling prevents muscular fatty infiltration after rotator cuff tear in mice. Sci Rep 2017; 7:41552. [PMID: 28139720 PMCID: PMC5282512 DOI: 10.1038/srep41552] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 12/21/2016] [Indexed: 12/15/2022] Open
Abstract
Fatty infiltration in muscle is often observed in patients with sizable rotator cuff tear (RCT) and is thought to be an irreversible event that significantly compromises muscle plasticity and contraction strength. These changes in the mechanical properties of the affected muscle render surgical repair of RCT highly formidable. Therefore, it is important to learn more about the pathology of fatty infiltration to prevent this undesired condition. In the present study, we aimed to generate a mouse model that can reliably recapitulate some of the important characteristics of muscular fatty infiltration after RCT in humans. We found that fatty infiltration can be efficiently induced by a combination of the following procedures: denervation of the suprascapular nerve, transection of the rotator cuff tendon, and resection of the humeral head. Using this model, we found that platelet-derived growth factor receptor-α (PDGFRα)-positive mesenchymal stem cells are induced after this intervention and that inhibition of PDGFR signaling by imatinib treatment can significantly suppress fatty infiltration. Taken together, the present study presents a reliable fatty infiltration mouse model and suggests a key role for PDGFRα-positive mesenchymal stem cells in the process of fatty infiltration after RCT in humans.
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Affiliation(s)
- Hideyuki Shirasawa
- Department of Orthopedic Surgery, and Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Noboru Matsumura
- Department of Orthopedic Surgery, and Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Masayuki Shimoda
- Department of Pathology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Satoshi Oki
- Department of Orthopedic Surgery, and Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Masaki Yoda
- Department of Orthopedic Surgery, and Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Takahide Tohmonda
- Department of Orthopedic Surgery, and Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Yae Kanai
- Department of Pathology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Morio Matsumoto
- Department of Orthopedic Surgery, and Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Masaya Nakamura
- Department of Orthopedic Surgery, and Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Keisuke Horiuchi
- Department of Orthopedic Surgery, and Keio University School of Medicine, Tokyo 160-8582, Japan
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Osteogenic Differentiation Capacity of In Vitro Cultured Human Skeletal Muscle for Expedited Bone Tissue Engineering. BIOMED RESEARCH INTERNATIONAL 2017; 2017:8619385. [PMID: 28210626 PMCID: PMC5292195 DOI: 10.1155/2017/8619385] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 12/15/2016] [Accepted: 12/26/2016] [Indexed: 11/18/2022]
Abstract
Expedited bone tissue engineering employs the biological stimuli to harness the intrinsic regenerative potential of skeletal muscle to trigger the reparative process in situ to improve or replace biological functions. When genetically modified with adenovirus mediated BMP2 gene transfer, muscle biopsies from animals have demonstrated success in regenerating bone within rat bony defects. However, it is uncertain whether the human adult skeletal muscle displays an osteogenic potential in vitro when a suitable biological trigger is applied. In present study, human skeletal muscle cultured in a standard osteogenic medium supplemented with dexamethasone demonstrated significant increase in alkaline phosphatase activity approximately 24-fold over control at 2-week time point. More interestingly, measurement of mRNA levels revealed the dramatic results for osteoblast transcripts of alkaline phosphatase, bone sialoproteins, transcription factor CBFA1, collagen type I, and osteocalcin. Calcified mineral deposits were demonstrated on superficial layers of muscle discs after an extended 8-week osteogenic induction. Taken together, these are the first data supporting human skeletal muscle tissue as a promising potential target for expedited bone regeneration, which of the technologies is a valuable method for tissue repair, being not only effective but also inexpensive and clinically expeditious.
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Papanagiotou M, Dailiana ZH, Karachalios T, Varitimidis S, Hantes M, Dimakopoulos G, Vlychou M, Malizos KN. Heterotopic ossification after the use of recombinant human bone morphogenetic protein-7. World J Orthop 2017; 8:36-41. [PMID: 28144577 PMCID: PMC5241543 DOI: 10.5312/wjo.v8.i1.36] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2016] [Revised: 08/21/2016] [Accepted: 10/27/2016] [Indexed: 02/06/2023] Open
Abstract
AIM To present the incidence of heterotopic ossification after the use of recombinant human bone morphogenetic protein-7 (rhBMP-7) for the treatment of nonunions.
METHODS Bone morphogenetic proteins (BMPs) promote bone formation by auto-induction. Recombinant human BMP-7 in combination with bone grafts was used in 84 patients for the treatment of long bone nonunions. All patients were evaluated radiographicaly for the development of heterotopic ossification during the standard assessment for the nonunion healing. In all patients (80.9%) with radiographic signs of heterotopic ossification, a CT scan was performed. Nonunion site palpation and ROM evaluation of the adjacent joints were also carried out. Factors related to the patient (age, gender), the nonunion (location, size, chronicity, number of previous procedures, infection, surrounding tissues condition) and the surgical procedure (graft and fixation type, amount of rhBMP-7) were correlated with the development of heterotopic ossification and statistical analysis with Pearsons χ2 test was performed.
RESULTS Eighty point nine percent of the nonunions treated with rhBMP-7, healed with no need for further procedures. Heterotopic bone formation occurred in 15 of 84 patients (17.8%) and it was apparent in the routine radiological evaluation of the nonunion site, in a mean time of 5.5 mo after the rhBMP-7 application (range 3-12). The heterotopic ossification was located at the femur in 8 cases, at the tibia in 6, and at the humerus in οne patient. In 4 patients a palpable mass was present and only in one patient, with a para-articular knee nonunion treated with rhBMP-7, the size of heterotopic ossification affected the knee range of motion. All the patients with heterotopic ossification were male. Statistical analysis proved that patient’s gender was the only important factor for the development of heterotopic ossification (P = 0.007).
CONCLUSION Heterotopic ossification after the use of rhBMP-7 in nonunions was common but it did not compromise the final clinical outcome in most cases, and affected only male patients.
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Abstract
Mesenchymal stem cells (MSC) from bone marrow and periosteum are known to be heavily involved in fracture repair and bone regeneration is thought to be impaired when the surrounding skeletal muscle is damaged. Recent literature from mouse in vivo models suggest that cells originating from skeletal muscle can occupy a fracture callus during open fracture repair when periosteum is compromised. This systematic review set out to ascertain whether there are MSCs residing in human skeletal muscle and whether cells from human skeletal muscle are capable of forming bone in vitro and in vivo. Original journal articles were selected if they included the terms "skeletal muscle" and "mesenchymal" and used human skeletal muscle samples. Between January 2005 and September 2016, 1000 articles were screened of which, 16 studies met the inclusion criteria for this review. Human skeletal muscle derived cells (SMDC) had the MSC phenotype, positive for CD73, CD90 and CD105 and negative for CD34 and CD45 as well as the potential to differentiate into osteoblasts, chondrocytes and adipocytes in vitro. In addition, SMDC could form bone in vivo when seeded onto an osteoinductive scaffold. A subset of SMDC expressing a pericyte marker (PDGFRα) also expressed the MSC phenotype and were more osteogenic in vivo in comparison to SMDC expressing a satellite cell marker (CD56). The studies included were limited through variation of SMDC extraction methods and tissue culture conditions, which causes heterogeneuous cell cultures. Also, in vitro differentiation assays were not always carried out with bone marrow MSC positive controls. Current evidence suggests that cells with the MSC phenotype reside within human skeletal muscle and are capable of in vivo bone formation in combination with osteoinductive bone scaffolds. This has implications of future development of guided bone regeneration strategies to enhance large bone defect repair, whereby more thought into whether the fracture site should be "blocked" from the skeletal muscle should be carried out.
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Dey D, Bagarova J, Hatsell SJ, Armstrong KA, Huang L, Ermann J, Vonner AJ, Shen Y, Mohedas AH, Lee A, Eekhoff EMW, van Schie A, Demay MB, Keller C, Wagers AJ, Economides AN, Yu PB. Two tissue-resident progenitor lineages drive distinct phenotypes of heterotopic ossification. Sci Transl Med 2016; 8:366ra163. [PMID: 27881824 PMCID: PMC6407419 DOI: 10.1126/scitranslmed.aaf1090] [Citation(s) in RCA: 146] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Accepted: 09/23/2016] [Indexed: 12/31/2022]
Abstract
Fibrodysplasia ossificans progressiva (FOP), a congenital heterotopic ossification (HO) syndrome caused by gain-of-function mutations of bone morphogenetic protein (BMP) type I receptor ACVR1, manifests with progressive ossification of skeletal muscles, tendons, ligaments, and joints. In this disease, HO can occur in discrete flares, often triggered by injury or inflammation, or may progress incrementally without identified triggers. Mice harboring an Acvr1R206H knock-in allele recapitulate the phenotypic spectrum of FOP, including injury-responsive intramuscular HO and spontaneous articular, tendon, and ligament ossification. The cells that drive HO in these diverse tissues can be compartmentalized into two lineages: an Scx+ tendon-derived progenitor that mediates endochondral HO of ligaments and joints without exogenous injury, and a muscle-resident interstitial Mx1+ population that mediates intramuscular, injury-dependent endochondral HO. Expression of Acvr1R206H in either lineage confers aberrant gain of BMP signaling and chondrogenic differentiation in response to activin A and gives rise to mutation-expressing hypertrophic chondrocytes in HO lesions. Compared to Acvr1R206H, expression of the man-made, ligand-independent ACVR1Q207D mutation accelerates and increases the penetrance of all observed phenotypes, but does not abrogate the need for antecedent injury in muscle HO, demonstrating the need for an injury factor in addition to enhanced BMP signaling. Both injury-dependent intramuscular and spontaneous ligament HO in Acvr1R206H knock-in mice were effectively controlled by the selective ACVR1 inhibitor LDN-212854. Thus, diverse phenotypes of HO found in FOP are rooted in cell-autonomous effects of dysregulated ACVR1 signaling in nonoverlapping tissue-resident progenitor pools that may be addressed by systemic therapy or by modulating injury-mediated factors involved in their local recruitment.
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Affiliation(s)
- Devaveena Dey
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
| | - Jana Bagarova
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
| | - Sarah J Hatsell
- Regeneron Pharmaceuticals Inc., 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA
| | - Kelli A Armstrong
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
| | - Lily Huang
- Regeneron Pharmaceuticals Inc., 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA
| | - Joerg Ermann
- Division of Rheumatology, Immunology, and Allergy, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Ashley J Vonner
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
| | - Yue Shen
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
| | - Agustin H Mohedas
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
| | - Arthur Lee
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA
| | - Elisabeth M W Eekhoff
- Departments of Internal Medicine, Endocrine Section, and Epidemiology and Biostatistics, VU University Medical Center, PO Box 7057, Amsterdam 1007 MB, Netherlands
| | - Annelies van Schie
- Departments of Internal Medicine, Endocrine Section, and Epidemiology and Biostatistics, VU University Medical Center, PO Box 7057, Amsterdam 1007 MB, Netherlands
| | - Marie B Demay
- Endocrine Unit, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA 02114, USA
| | - Charles Keller
- Children's Cancer Therapy Development Institute, 12655 SW Beaverdam Road-West, Beaverton, OR 97005, USA
| | - Amy J Wagers
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA
- Joslin Diabetes Center, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
| | - Aris N Economides
- Regeneron Pharmaceuticals Inc., 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA
- Regeneron Genetics Center, Tarrytown, NY 10591, USA
| | - Paul B Yu
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA.
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Agarwal S, Loder S, Cholok D, Li J, Breuler C, Drake J, Brownley C, Peterson J, Li S, Levi B. Surgical Excision of Heterotopic Ossification Leads to Re-Emergence of Mesenchymal Stem Cell Populations Responsible for Recurrence. Stem Cells Transl Med 2016; 6:799-806. [PMID: 28297577 PMCID: PMC5442786 DOI: 10.5966/sctm.2015-0365] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Accepted: 08/29/2016] [Indexed: 01/04/2023] Open
Abstract
Trauma‐induced heterotopic ossification (HO) occurs after severe musculoskeletal injuries and burns, and presents a significant barrier to patient rehabilitation. Interestingly, the incidence of HO significantly increases with repeated operations and after resection of previous HO. Treatment of established heterotopic ossification is challenging because surgical excision is often incomplete, with evidence of persistent heterotopic bone. As a result, patients may continue to report the signs or symptoms of HO, including chronic pain, nonhealing wounds, and joint restriction. In this study, we designed a model of recurrent HO that occurs after surgical excision of mature HO in a mouse model of hind‐limb Achilles’ tendon transection with dorsal burn injury. We first demonstrated that key signaling mediators of HO, including bone morphogenetic protein signaling, are diminished in mature bone. However, upon surgical excision, we have noted upregulation of downstream mediators of osteogenic differentiation, including pSMAD 1/5. Additionally, surgical excision resulted in re‐emergence of a mesenchymal cell population marked by expression of platelet‐derived growth factor receptor‐α (PDGFRα) and present in the initial developing HO lesion but absent in mature HO. In the recurrent lesion, these PDGFRα+ mesenchymal cells are also highly proliferative, similar to the initial developing HO lesion. These findings indicate that surgical excision of HO results in recurrence through similar mesenchymal cell populations and signaling mechanisms that are present in the initial developing HO lesion. These results are consistent with findings in patients that new foci of ectopic bone can develop in excision sites and are likely related to de novo formation rather than extension of unresected bone. Stem Cells Translational Medicine2017;6:799–806
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Affiliation(s)
- Shailesh Agarwal
- Burn/Wound and Regenerative Medicine Laboratory, Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
| | - Shawn Loder
- Burn/Wound and Regenerative Medicine Laboratory, Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
| | - David Cholok
- Burn/Wound and Regenerative Medicine Laboratory, Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
| | - John Li
- Burn/Wound and Regenerative Medicine Laboratory, Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
| | - Chris Breuler
- Burn/Wound and Regenerative Medicine Laboratory, Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
| | - James Drake
- Burn/Wound and Regenerative Medicine Laboratory, Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
| | - Cameron Brownley
- Burn/Wound and Regenerative Medicine Laboratory, Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
| | - Joshua Peterson
- Burn/Wound and Regenerative Medicine Laboratory, Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
| | - Shuli Li
- Burn/Wound and Regenerative Medicine Laboratory, Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
| | - Benjamin Levi
- Burn/Wound and Regenerative Medicine Laboratory, Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
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O’Rourke M, Cullen CL, Auderset L, Pitman KA, Achatz D, Gasperini R, Young KM. Evaluating Tissue-Specific Recombination in a Pdgfrα-CreERT2 Transgenic Mouse Line. PLoS One 2016; 11:e0162858. [PMID: 27626928 PMCID: PMC5023134 DOI: 10.1371/journal.pone.0162858] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Accepted: 08/30/2016] [Indexed: 11/18/2022] Open
Abstract
In the central nervous system (CNS) platelet derived growth factor receptor alpha (PDGFRα) is expressed exclusively by oligodendrocyte progenitor cells (OPCs), making the Pdgfrα promoter an ideal tool for directing transgene expression in this cell type. Two Pdgfrα-CreERT2 mouse lines have been generated for this purpose which, when crossed with cre-sensitive reporter mice, allow the temporally restricted labelling of OPCs for lineage-tracing studies. These mice have also been used to achieve the deletion of CNS-specific genes from OPCs. However the ability of Pdgfrα-CreERT2 mice to induce cre-mediated recombination in PDGFRα+ cell populations located outside of the CNS has not been examined. Herein we quantify the proportion of PDGFRα+ cells that become YFP-labelled following Tamoxifen administration to adult Pdgfrα-CreERT2::Rosa26-YFP transgenic mice. We report that the vast majority (>90%) of PDGFRα+ OPCs in the CNS, and a significant proportion of PDGFRα+ stromal cells within the bone marrow (~38%) undergo recombination and become YFP-labelled. However, only a small proportion of the PDGFRα+ cell populations found in the sciatic nerve, adrenal gland, pituitary gland, heart, gastrocnemius muscle, kidney, lung, liver or intestine become YFP-labelled. These data suggest that Pdgfrα-CreERT2 transgenic mice can be used to achieve robust recombination in OPCs, while having a minimal effect on most PDGFRα+ cell populations outside of the CNS.
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Affiliation(s)
- Megan O’Rourke
- Menzies Institute for Medical Research, University of Tasmania, Liverpool Street, Hobart, Tasmania 7000, Australia
| | - Carlie L. Cullen
- Menzies Institute for Medical Research, University of Tasmania, Liverpool Street, Hobart, Tasmania 7000, Australia
| | - Loic Auderset
- Menzies Institute for Medical Research, University of Tasmania, Liverpool Street, Hobart, Tasmania 7000, Australia
| | - Kimberley A. Pitman
- Menzies Institute for Medical Research, University of Tasmania, Liverpool Street, Hobart, Tasmania 7000, Australia
| | - Daniela Achatz
- Menzies Institute for Medical Research, University of Tasmania, Liverpool Street, Hobart, Tasmania 7000, Australia
| | - Robert Gasperini
- Menzies Institute for Medical Research, University of Tasmania, Liverpool Street, Hobart, Tasmania 7000, Australia
- School of Medicine, University of Tasmania, Liverpool Street, Hobart, Tasmania 7000, Australia
| | - Kaylene M. Young
- Menzies Institute for Medical Research, University of Tasmania, Liverpool Street, Hobart, Tasmania 7000, Australia
- * E-mail:
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45
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Hesse E. Muscle and Bone: Combating the Evil Side of the Connection. J Bone Miner Res 2016; 31:1647-51. [PMID: 27429170 DOI: 10.1002/jbmr.2912] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 07/10/2016] [Accepted: 07/12/2016] [Indexed: 12/17/2022]
Affiliation(s)
- Eric Hesse
- Heisenberg-Group for Molecular Skeletal Biology, Department of Trauma, Hand and Reconstructive Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, IN, USA
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Martin E, Qureshi A, Dasa V, Freitas M, Gimble J, Davis T. MicroRNA regulation of stem cell differentiation and diseases of the bone and adipose tissue: Perspectives on miRNA biogenesis and cellular transcriptome. Biochimie 2016; 124:98-111. [DOI: 10.1016/j.biochi.2015.02.012] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Accepted: 02/17/2015] [Indexed: 12/19/2022]
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Molligan J, Mitchell R, Schon L, Achilefu S, Zahoor T, Cho Y, Loube J, Zhang Z. Influence of Bone and Muscle Injuries on the Osteogenic Potential of Muscle Progenitors: Contribution of Tissue Environment to Heterotopic Ossification. Stem Cells Transl Med 2016; 5:745-53. [PMID: 27112178 DOI: 10.5966/sctm.2015-0082] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Accepted: 02/15/2016] [Indexed: 12/17/2022] Open
Abstract
UNLABELLED : By using surgical mouse models, this study investigated how the tissue environment influences the osteogenic potential of muscle progenitors (m-progenitors) and potentially contributes to heterotopic ossification (HO). Injury was induced by clamping the gluteus maximus and medius (group M) or osteotomy of greater trochanter (group O) on the right hip, as well as combined muscle injury and osteotomy of greater trochanter (group M+O). The gluteus maximus and medius of the operated hips were harvested at days 1, 3, 5, and 10 for isolation of m-progenitors. The cells were cultured in an osteogenic medium for 3 weeks, and osteogenesis was evaluated by matrix mineralization and the expression of osteogenesis-related genes. The expression of type I collagen, RUNX2 (runt-related transcription factor 2), and osteocalcin by the m-progenitors of group M+O was significantly increased, compared with groups M and O. Osteogenic m-progenitors in group O increased the expression of bone morphogenetic protein 2 and also bone morphogenetic protein antagonist differential screening-selected gene aberrative in neuroblastoma. On histology, there was calcium deposition mostly in the muscles of group M+O harvested at day 10. CD56, representing myogenic progenitors, was highly expressed in the m-progenitors isolated from group M (day 10), but m-progenitors of group M+O (day 10) exhibited the highest expression of platelet-derived growth factor receptor α (PDGFR-α), a marker of muscle-derived mesenchymal stem cells (M-MSCs). The expressions of PDGFR-α and RUNX2 were colocalized in osteogenic m-progenitors. The data indicate that the tissue environment simulated in the M+O model is a favorable condition for HO formation. Most likely, M-MSCs, rather than myogenic progenitors, in the m-progenitors participate in HO formation. SIGNIFICANCE The prevalence of traumatic heterotopic ossification (HO) is high in war injury. The pathogenesis of HO is still unknown. This study clarified the contribution of a tissue environment created by bone or muscle injury to the formation of HO. The study also found that muscle-derived mesenchymal stem cells, but not myogenic progenitors, are involved in the formation of HO. The findings of this study could be used to strategize the prevention and treatment of HO.
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Affiliation(s)
- Jeremy Molligan
- Orthobiologic Laboratory, MedStar Union Memorial Hospital, Baltimore, Maryland, USA
| | - Reed Mitchell
- Orthobiologic Laboratory, MedStar Union Memorial Hospital, Baltimore, Maryland, USA
| | - Lew Schon
- Orthobiologic Laboratory, MedStar Union Memorial Hospital, Baltimore, Maryland, USA
| | - Samuel Achilefu
- Department of Radiology, School of Medicine, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Talal Zahoor
- Orthobiologic Laboratory, MedStar Union Memorial Hospital, Baltimore, Maryland, USA
| | - Young Cho
- Orthobiologic Laboratory, MedStar Union Memorial Hospital, Baltimore, Maryland, USA
| | - Jeffery Loube
- Orthobiologic Laboratory, MedStar Union Memorial Hospital, Baltimore, Maryland, USA
| | - Zijun Zhang
- Orthobiologic Laboratory, MedStar Union Memorial Hospital, Baltimore, Maryland, USA
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Eisenstein NM, Cox SC, Williams RL, Stapley SA, Grover LM. Bedside, Benchtop, and Bioengineering: Physicochemical Imaging Techniques in Biomineralization. Adv Healthc Mater 2016; 5:507-28. [PMID: 26789418 DOI: 10.1002/adhm.201500617] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 09/10/2015] [Indexed: 01/10/2023]
Abstract
The need to quantify physicochemical properties of mineralization spans many fields. Clinicians, mineralization researchers, and bone tissue bioengineers need to be able to measure the distribution, quantity, and the mechanical and chemical properties of mineralization within a wide variety of substrates from injured muscle to electrospun polymer scaffolds and everything in between. The techniques available to measure these properties are highly diverse in terms of their complexity and utility. Therefore it is of the utmost importance that those who intend to use them have a clear understanding of the advantages and disadvantages of each technique and its appropriateness to their specific application. This review provides all of this information for each technique and uses heterotopic ossification and engineered bone substitutes as examples to illustrate how these techniques have been applied. In addition, we provide novel data using advanced techniques to analyze human samples of combat related heterotopic ossification.
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Affiliation(s)
- Neil M. Eisenstein
- Chemical Engineering; University of Birmingham; Edgbaston B15 2TT UK
- Royal Centre for Defence Medicine; ICT Centre; Vincent Drive; Edgbaston B15 2SQ UK
| | - Sophie C. Cox
- Chemical Engineering; University of Birmingham; Edgbaston B15 2TT UK
| | | | - Sarah A. Stapley
- Royal Centre for Defence Medicine; ICT Centre; Vincent Drive; Edgbaston B15 2SQ UK
| | - Liam M. Grover
- Chemical Engineering; University of Birmingham; Edgbaston B15 2TT UK
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Sun Y, Cai J, Yu S, Chen S, Li F, Fan C. MiR-630 Inhibits Endothelial-Mesenchymal Transition by Targeting Slug in Traumatic Heterotopic Ossification. Sci Rep 2016; 6:22729. [PMID: 26940839 PMCID: PMC4778133 DOI: 10.1038/srep22729] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Accepted: 02/18/2016] [Indexed: 12/16/2022] Open
Abstract
Heterotopic ossification (HO) is the abnormal formation of mature bone in extraskeletal soft tissues that occurs as a result of inflammation caused by traumatic injury or associated with genetic mutation. Despite extensive research to identify the source of osteogenic progenitors, the cellular origins of HO are controversial and the underlying mechanisms, which are important for the early detection of HO, remain unclear. Here, we used in vitro and in vivo models of BMP4 and TGF-β2-induced HO to identify the cellular origin and the mechanisms mediating the formation of ectopic bone in traumatic HO. Our results suggest an endothelial origin of ectopic bone in early phase of traumatic HO and indicate that the inhibition of endothelial-mesenchymal transition by miR-630 targeting Slug plays a role in the formation of ectopic bone in HO. A matched case-control study showed that miR-630 is specifically downregulated during the early stages of HO and can be used to distinguish HO from other processes leading to bone formation. Our findings suggest a potential mechanism of post-traumatic ectopic bone formation and identify miR-630 as a potential early indicator of HO.
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Affiliation(s)
- Yangbai Sun
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Jiangyu Cai
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Shiyang Yu
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Shuai Chen
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Fengfeng Li
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Cunyi Fan
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
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50
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Dey D, Goldhamer DJ, Yu PB. Contributions of muscle-resident progenitor cells to homeostasis and disease. CURRENT MOLECULAR BIOLOGY REPORTS 2015; 1:175-188. [PMID: 29075589 PMCID: PMC5654566 DOI: 10.1007/s40610-015-0025-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Adult skeletal muscle maintains a homeostatic state with modest levels of cellular turnover, unlike the skin or blood. However, the muscle is highly sensitive to tissue injury, which unleashes a cascade of regenerative and inflammatory processes. Muscle regeneration involves cross-talk between numerous cytokine signaling axes, and the coordinated activity of multiple muscle-resident and circulating progenitor populations. Satellite cells, closely associated with myofibers, are established as the canonical muscle stem cell, with self-renewal and myofiber-regenerating capacity. However, a heterogeneous group of mesenchymal progenitor cells residing within the muscle interstitium are also highly responsive to muscle injury and exhibit varying degrees of regenerative potential. These cells interact with satellite cells via direct and indirect mechanisms to regulate regeneration or repair. We describe the known phylogenetic and functional relationships of the multiple progenitor populations residing within skeletal muscle, their putative roles in the coordination of injury repair, and their possible contributions to health and disease.
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Affiliation(s)
- Devaveena Dey
- Department of Medicine, Division of Cardiovascular Medicine, Brigham and Women’s Hospital, Boston, MA 02115-6119, USA
| | - David J. Goldhamer
- Department of Molecular and Cell Biology, University of Connecticut Stem Cell Institute, University of Connecticut, Storrs, CT 06269-3125, USA
| | - Paul B. Yu
- Department of Medicine, Division of Cardiovascular Medicine, Brigham and Women’s Hospital, Boston, MA 02115-6119, USA
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