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Li SN, Ran RY, Chen J, Liu MC, Dang YM, Lin H. Angiogenesis in heterotopic ossification: From mechanisms to clinical significance. Life Sci 2024; 351:122779. [PMID: 38851421 DOI: 10.1016/j.lfs.2024.122779] [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: 12/28/2023] [Revised: 03/21/2024] [Accepted: 06/04/2024] [Indexed: 06/10/2024]
Abstract
Heterotopic ossification (HO) refers to the formation of pathologic bone in nonskeletal tissues (including muscles, tendons or other soft tissues). HO typically occurs after a severe injury and can occur in any part of the body. HO lesions are highly vascularized. Angiogenesis, which is the formation of new blood vessels, plays an important role in the pathophysiology of HO. Surgical resection is considered an effective treatment for HO. However, it is difficult to completely remove new vessels, which can lead to the recurrence of HO and is often accompanied by significant problems such as intraoperative hemorrhage, demonstrating the important role of angiogenesis in HO. Here, we broadly summarize the current understanding of how angiogenesis contributes to HO; in particular, we focus on new insights into the cellular and signaling mechanisms underlying HO angiogenesis. We also review the development and current challenges associated with antiangiogenic therapy for HO.
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Affiliation(s)
- Sai-Nan Li
- School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang 330006, China; First Clinical School, Jiangxi Medical College, Nanchang University, Nanchang 330006, China
| | - Ruo-Yue Ran
- School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang 330006, China; First Clinical School, Jiangxi Medical College, Nanchang University, Nanchang 330006, China
| | - Jie Chen
- School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang 330006, China
| | - Meng-Chao Liu
- School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang 330006, China
| | - Yan-Miao Dang
- School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang 330006, China
| | - Hui Lin
- School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang 330006, China.
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2
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Shu LZ, Zhang XL, Ding YD, Lin H. From inflammation to bone formation: the intricate role of neutrophils in skeletal muscle injury and traumatic heterotopic ossification. Exp Mol Med 2024:10.1038/s12276-024-01270-7. [PMID: 38945957 DOI: 10.1038/s12276-024-01270-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 03/22/2024] [Accepted: 04/16/2024] [Indexed: 07/02/2024] Open
Abstract
Neutrophils are emerging as an important player in skeletal muscle injury and repair. Neutrophils accumulate in injured tissue, thus releasing inflammatory factors, proteases and neutrophil extracellular traps (NETs) to clear muscle debris and pathogens when skeletal muscle is damaged. During the process of muscle repair, neutrophils can promote self-renewal and angiogenesis in satellite cells. When neutrophils are abnormally overactivated, neutrophils cause collagen deposition, functional impairment of satellite cells, and damage to the skeletal muscle vascular endothelium. Heterotopic ossification (HO) refers to abnormal bone formation in soft tissue. Skeletal muscle injury is one of the main causes of traumatic HO (tHO). Neutrophils play a pivotal role in activating BMPs and TGF-β signals, thus promoting the differentiation of mesenchymal stem cells and progenitor cells into osteoblasts or osteoclasts to facilitate HO. Furthermore, NETs are specifically localized at the site of HO, thereby accelerating the formation of HO. Additionally, the overactivation of neutrophils contributes to the disruption of immune homeostasis to trigger HO. An understanding of the diverse roles of neutrophils will not only provide more information on the pathogenesis of skeletal muscle injury for repair and HO but also provides a foundation for the development of more efficacious treatment modalities for HO.
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Affiliation(s)
- Lin-Zhen Shu
- School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, 330006, Nanchang, Jiangxi, China
| | - Xian-Lei Zhang
- Medical College, Nanchang University, 330006, Nanchang, Jiangxi, China
| | - Yi-Dan Ding
- Medical College, Nanchang University, 330006, Nanchang, Jiangxi, China
| | - Hui Lin
- School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, 330006, Nanchang, Jiangxi, China.
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3
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Li D, Liu C, Wang H, Li Y, Wang Y, An S, Sun S. The Role of Neuromodulation and Potential Mechanism in Regulating Heterotopic Ossification. Neurochem Res 2024; 49:1628-1642. [PMID: 38416374 DOI: 10.1007/s11064-024-04118-8] [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: 11/03/2023] [Revised: 01/17/2024] [Accepted: 01/28/2024] [Indexed: 02/29/2024]
Abstract
Heterotopic ossification (HO) is a pathological process characterized by the aberrant formation of bone in muscles and soft tissues. It is commonly triggered by traumatic brain injury, spinal cord injury, and burns. Despite a wide range of evidence underscoring the significance of neurogenic signals in proper bone remodeling, a clear understanding of HO induced by nerve injury remains rudimentary. Recent studies suggest that injury to the nervous system can activate various signaling pathways, such as TGF-β, leading to neurogenic HO through the release of neurotrophins. These pathophysiological changes lay a robust groundwork for the prevention and treatment of HO. In this review, we collected evidence to elucidate the mechanisms underlying the pathogenesis of HO related to nerve injury, aiming to enhance our understanding of how neurological repair processes can culminate in HO.
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Affiliation(s)
- Dengju Li
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
- Shandong First Medical University, Jinan, Shandong, China
| | - Changxing Liu
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Haojue Wang
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Yunfeng Li
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Yaqi Wang
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Senbo An
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China.
- Shandong First Medical University, Jinan, Shandong, China.
| | - Shui Sun
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China.
- Shandong First Medical University, Jinan, Shandong, China.
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China.
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Vishlaghi N, Guo L, Griswold-Wheeler D, Sun Y, Booker C, Crossley JL, Bancroft AC, Juan C, Korlakunta S, Ramesh S, Pagani CA, Xu L, James AW, Tower RJ, Dellinger M, Levi B. Vegfc-expressing cells form heterotopic bone after musculoskeletal injury. Cell Rep 2024; 43:114049. [PMID: 38573853 DOI: 10.1016/j.celrep.2024.114049] [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: 08/30/2023] [Revised: 02/09/2024] [Accepted: 03/19/2024] [Indexed: 04/06/2024] Open
Abstract
Heterotopic ossification (HO) is a challenging condition that occurs after musculoskeletal injury and is characterized by the formation of bone in non-skeletal tissues. While the effect of HO on blood vessels is well established, little is known about its impact on lymphatic vessels. Here, we use a mouse model of traumatic HO to investigate the relationship between HO and lymphatic vessels. We show that injury triggers lymphangiogenesis at the injury site, which is associated with elevated vascular endothelial growth factor C (VEGF-C) levels. Through single-cell transcriptomic analyses, we identify mesenchymal progenitor cells and tenocytes as sources of Vegfc. We demonstrate by lineage tracing that Vegfc-expressing cells undergo osteochondral differentiation and contribute to the formation of HO. Last, we show that Vegfc haploinsufficiency results in a nearly 50% reduction in lymphangiogenesis and HO formation. These findings shed light on the complex mechanisms underlying HO formation and its impact on lymphatic vessels.
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Affiliation(s)
- Neda Vishlaghi
- Department of Surgery, University of Texas Southwestern, Dallas, TX, USA
| | - Lei Guo
- Department of Population and Data Sciences, University of Texas Southwestern, Dallas, TX, USA
| | | | - Yuxiao Sun
- Department of Surgery, University of Texas Southwestern, Dallas, TX, USA
| | - Cori Booker
- Department of Surgery, University of Texas Southwestern, Dallas, TX, USA
| | - Janna L Crossley
- Department of Surgery, University of Texas Southwestern, Dallas, TX, USA
| | - Alec C Bancroft
- Department of Surgery, University of Texas Southwestern, Dallas, TX, USA
| | - Conan Juan
- Department of Surgery, University of Texas Southwestern, Dallas, TX, USA
| | - Sneha Korlakunta
- Department of Surgery, University of Texas Southwestern, Dallas, TX, USA
| | - Sowmya Ramesh
- Department of Pathology, Johns Hopkins University, Baltimore, MD, USA
| | - Chase A Pagani
- Department of Surgery, University of Texas Southwestern, Dallas, TX, USA
| | - Lin Xu
- Department of Population and Data Sciences, University of Texas Southwestern, Dallas, TX, USA
| | - Aaron W James
- Department of Pathology, Johns Hopkins University, Baltimore, MD, USA
| | - Robert J Tower
- Department of Surgery, University of Texas Southwestern, Dallas, TX, USA
| | - Michael Dellinger
- Department of Surgery, University of Texas Southwestern, Dallas, TX, USA.
| | - Benjamin Levi
- Department of Surgery, University of Texas Southwestern, Dallas, TX, USA.
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5
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Wan T, Li QC, Qin MY, Wang YL, Zhang FS, Zhang XM, Zhang YC, Zhang PX. Strategies for Treating Traumatic Neuromas with Tissue-Engineered Materials. Biomolecules 2024; 14:484. [PMID: 38672500 PMCID: PMC11048257 DOI: 10.3390/biom14040484] [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: 02/18/2024] [Revised: 04/01/2024] [Accepted: 04/10/2024] [Indexed: 04/28/2024] Open
Abstract
Neuroma, a pathological response to peripheral nerve injury, refers to the abnormal growth of nerve tissue characterized by disorganized axonal proliferation. Commonly occurring after nerve injuries, surgeries, or amputations, this condition leads to the formation of painful nodular structures. Traditional treatment options include surgical excision and pharmacological management, aiming to alleviate symptoms. However, these approaches often offer temporary relief without addressing the underlying regenerative challenges, necessitating the exploration of advanced strategies such as tissue-engineered materials for more comprehensive and effective solutions. In this study, we discussed the etiology, molecular mechanisms, and histological morphology of traumatic neuromas after peripheral nerve injury. Subsequently, we summarized and analyzed current nonsurgical and surgical treatment options, along with their advantages and disadvantages. Additionally, we emphasized recent advancements in treating traumatic neuromas with tissue-engineered material strategies. By integrating biomaterials, growth factors, cell-based approaches, and electrical stimulation, tissue engineering offers a comprehensive solution surpassing mere symptomatic relief, striving for the structural and functional restoration of damaged nerves. In conclusion, the utilization of tissue-engineered materials has the potential to significantly reduce the risk of neuroma recurrence after surgical treatment.
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Affiliation(s)
- Teng Wan
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (T.W.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Centre for Trauma Medicine, Beijing 100044, China
- Beijing Laboratory of Trauma and Nerve Regeneration, Peking University, Beijing 100044, China
| | - Qi-Cheng Li
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (T.W.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Centre for Trauma Medicine, Beijing 100044, China
- Beijing Laboratory of Trauma and Nerve Regeneration, Peking University, Beijing 100044, China
| | - Ming-Yu Qin
- Suzhou Medical College, Soochow University, Suzhou 215026, China
| | - Yi-Lin Wang
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (T.W.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Centre for Trauma Medicine, Beijing 100044, China
- Beijing Laboratory of Trauma and Nerve Regeneration, Peking University, Beijing 100044, China
| | - Feng-Shi Zhang
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (T.W.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Centre for Trauma Medicine, Beijing 100044, China
- Beijing Laboratory of Trauma and Nerve Regeneration, Peking University, Beijing 100044, China
| | - Xiao-Meng Zhang
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (T.W.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Centre for Trauma Medicine, Beijing 100044, China
- Beijing Laboratory of Trauma and Nerve Regeneration, Peking University, Beijing 100044, China
| | - Yi-Chong Zhang
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (T.W.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Centre for Trauma Medicine, Beijing 100044, China
- Beijing Laboratory of Trauma and Nerve Regeneration, Peking University, Beijing 100044, China
| | - Pei-Xun Zhang
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (T.W.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Centre for Trauma Medicine, Beijing 100044, China
- Beijing Laboratory of Trauma and Nerve Regeneration, Peking University, Beijing 100044, China
- Peking University People’s Hospital Qingdao Hospital, Qingdao 266000, China
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Zhao L, Lai Y, Jiao H, Huang J. Nerve growth factor receptor limits inflammation to promote remodeling and repair of osteoarthritic joints. Nat Commun 2024; 15:3225. [PMID: 38622181 PMCID: PMC11018862 DOI: 10.1038/s41467-024-47633-6] [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: 06/06/2023] [Accepted: 04/08/2024] [Indexed: 04/17/2024] Open
Abstract
Osteoarthritis (OA) is a painful, incurable disease affecting over 500 million people. Recent clinical trials of the nerve growth factor (NGF) inhibitors in OA patients have suggested adverse effects of NGF inhibition on joint structure. Here we report that nerve growth factor receptor (NGFR) is upregulated in skeletal cells during OA and plays an essential role in the remodeling and repair of osteoarthritic joints. Specifically, NGFR is expressed in osteochondral cells but not in skeletal progenitor cells and induced by TNFα to attenuate NF-κB activation, maintaining proper BMP-SMAD1 signaling and suppressing RANKL expression in mice. NGFR deficiency hyper-activates NF-κB in murine osteoarthritic joints, which impairs bone formation and enhances bone resorption as exemplified by a reduction in subchondral bone and osteophytes. In human OA cartilage, NGFR is also negatively associated with NF-κB activation. Together, this study suggests a role of NGFR in limiting inflammation for repair of diseased skeletal tissues.
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Affiliation(s)
- Lan Zhao
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Yumei Lai
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Hongli Jiao
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Jian Huang
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA.
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7
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Zhi X, Wu F, Qian J, Ochiai Y, Lian G, Malagola E, Chen D, Ryeom SW, Wang TC. Nociceptive neurons interact directly with gastric cancer cells via a CGRP/Ramp1 axis to promote tumor progression. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.04.583209. [PMID: 38496544 PMCID: PMC10942283 DOI: 10.1101/2024.03.04.583209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Cancer cells have been shown to exploit neurons to modulate their survival and growth, including through establishment of neural circuits within the central nervous system (CNS) 1-3 . Here, we report a distinct pattern of cancer-nerve interactions between the peripheral nervous system (PNS) and gastric cancer (GC). In multiple GC mouse models, nociceptive nerves demonstrated the greatest degree of nerve expansion in an NGF-dependent manner. Neural tracing identified CGRP+ peptidergic neurons as the primary gastric sensory neurons. Three-dimensional co-culture models showed that sensory neurons directly connect with gastric cancer spheroids through synapse-like structures. Chemogenetic activation of sensory neurons induced the release of calcium into the cytoplasm of cancer cells, promoting tumor growth and metastasis. Pharmacological ablation of sensory neurons or treatment with CGRP inhibitors suppressed tumor growth and extended survival. Depolarization of gastric tumor membranes through in vivo optogenetic activation led to enhanced calcium flux in nodose ganglia and CGRP release, defining a cancer cell-peptidergic neuronal circuit. Together, these findings establish the functional connectivity between cancer and sensory neurons, identifying this pathway as a potential therapeutic target.
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8
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Hwang CD, Hoftiezer YAJ, Raasveld FV, Gomez-Eslava B, van der Heijden EPA, Jayakar S, Black BJ, Johnston BR, Wainger BJ, Renthal W, Woolf CJ, Eberlin KR. Biology and pathophysiology of symptomatic neuromas. Pain 2024; 165:550-564. [PMID: 37851396 DOI: 10.1097/j.pain.0000000000003055] [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: 11/28/2022] [Accepted: 06/07/2023] [Indexed: 10/19/2023]
Abstract
ABSTRACT Neuromas are a substantial cause of morbidity and reduction in quality of life. This is not only caused by a disruption in motor and sensory function from the underlying nerve injury but also by the debilitating effects of neuropathic pain resulting from symptomatic neuromas. A wide range of surgical and therapeutic modalities have been introduced to mitigate this pain. Nevertheless, no single treatment option has been successful in completely resolving the associated constellation of symptoms. While certain novel surgical techniques have shown promising results in reducing neuroma-derived and phantom limb pain, their effectiveness and the exact mechanism behind their pain-relieving capacities have not yet been defined. Furthermore, surgery has inherent risks, may not be suitable for many patients, and may yet still fail to relieve pain. Therefore, there remains a great clinical need for additional therapeutic modalities to further improve treatment for patients with devastating injuries that lead to symptomatic neuromas. However, the molecular mechanisms and genetic contributions behind the regulatory programs that drive neuroma formation-as well as the resulting neuropathic pain-remain incompletely understood. Here, we review the histopathological features of symptomatic neuromas, our current understanding of the mechanisms that favor neuroma formation, and the putative contributory signals and regulatory programs that facilitate somatic pain, including neurotrophic factors, neuroinflammatory peptides, cytokines, along with transient receptor potential, and ionotropic channels that suggest possible approaches and innovations to identify novel clinical therapeutics.
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Affiliation(s)
- Charles D Hwang
- Division of Plastic and Reconstructive Surgery, Department of General Surgery, Massachusetts General Hospital, Harvard University, Boston, MA, United States
| | - Yannick Albert J Hoftiezer
- Hand and Arm Center, Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, MA, United States
- Department of Plastic, Reconstructive and Hand Surgery, Radboudumc, Nijmegen, the Netherlands
| | - Floris V Raasveld
- Hand and Arm Center, Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, MA, United States
- Department of Plastic, Reconstructive and Hand Surgery, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Barbara Gomez-Eslava
- Hand and Arm Center, Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, MA, United States
- F.M. Kirby Neurobiology Center, Boston Children's Hospital and Department of Neurobiology, Harvard Medical School, Boston, MA, United States
| | - E P A van der Heijden
- Department of Plastic, Reconstructive and Hand Surgery, Radboudumc, Nijmegen, the Netherlands
- Department of Plastic, Reconstructive and Hand Surgery, Jeroen Bosch Ziekenhuis, Den Bosch, the Netherlands
| | - Selwyn Jayakar
- F.M. Kirby Neurobiology Center, Boston Children's Hospital and Department of Neurobiology, Harvard Medical School, Boston, MA, United States
| | - Bryan James Black
- Department of Biomedical Engineering, UMass Lowell, Lowell, MA, United States
| | - Benjamin R Johnston
- Department of Neurosurgery, Brigham and Women's Hospital, Boston, MA, United States
| | - Brian J Wainger
- Departments of Anesthesia, Critical Care & Pain Medicine and Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | | | - Clifford J Woolf
- F.M. Kirby Neurobiology Center, Boston Children's Hospital and Department of Neurobiology, Harvard Medical School, Boston, MA, United States
| | - Kyle R Eberlin
- Division of Plastic and Reconstructive Surgery, Department of General Surgery, Massachusetts General Hospital, Harvard University, Boston, MA, United States
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Alsaadi H, Peller J, Ghasemlou N, Kawaja MD. Immunohistochemical phenotype of sensory neurons associated with sympathetic plexuses in the trigeminal ganglia of adult nerve growth factor transgenic mice. J Comp Neurol 2024; 532:e25563. [PMID: 37986234 DOI: 10.1002/cne.25563] [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] [Indexed: 11/22/2023]
Abstract
Following peripheral nerve injury, postganglionic sympathetic axons sprout into the affected sensory ganglia and form perineuronal sympathetic plexuses with somata of sensory neurons. This sympathosensory coupling contributes to the onset and persistence of injury-induced chronic pain. We have documented the presence of similar sympathetic plexuses in the trigeminal ganglia of adult mice that ectopically overexpress nerve growth factor (NGF), in the absence of nerve injury. In this study, we sought to further define the phenotype(s) of these trigeminal sensory neurons having sympathetic plexuses in our transgenic mice. Using quantitative immunofluorescence staining analyses, we show that the invading sympathetic axons specifically target sensory somata immunopositive for several biomarkers: NGF high-affinity receptor tyrosine kinase A (trkA), calcitonin gene-related peptide (CGRP), neurofilament heavy chain (NFH), and P2X purinoceptor 3 (P2X3). Based on these phenotypic characteristics, the majority of the sensory somata surrounded by sympathetic plexuses are likely to be NGF-responsive nociceptors (i.e., trkA expressing) that are peptidergic (i.e., CGRP expressing), myelinated (i.e., NFH expressing), and ATP sensitive (i.e., P2X3 expressing). Our data also show that very few sympathetic plexuses surround sensory somata expressing other nociceptive (pain) biomarkers, including substance P and acid-sensing ion channel 3. No sympathetic plexuses are associated with sensory somata that display isolectin B4 binding. Though the cellular mechanisms that trigger the formation of sympathetic plexus (with and without nerve injury) remain unknown, our new observations yield an unexpected specificity with which invading sympathetic axons appear to target a precise subtype of nociceptors. This selectivity likely contributes to pain development and maintenance associated with sympathosensory coupling.
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Affiliation(s)
- Hanin Alsaadi
- Center for Neuroscience Studies, Queen's University, Kingston, Ontario, Canada
| | - Jacob Peller
- Center for Neuroscience Studies, Queen's University, Kingston, Ontario, Canada
| | - Nader Ghasemlou
- Center for Neuroscience Studies, Queen's University, Kingston, Ontario, Canada
- Department of Anesthesiology and Perioperative Medicine, School of Medicine, Queen's University, Kingston, Ontario, Canada
- Department of Biomedical and Molecular Sciences, School of Medicine, Queen's University, Kingston, Ontario, Canada
| | - Michael D Kawaja
- Center for Neuroscience Studies, Queen's University, Kingston, Ontario, Canada
- Department of Biomedical and Molecular Sciences, School of Medicine, Queen's University, Kingston, Ontario, Canada
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10
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Mei H, Li Z, Lv Q, Li X, Wu Y, Feng Q, Jiang Z, Zhou Y, Zheng Y, Gao Z, Zhou J, Jiang C, Huang S, Li J. Sema3A secreted by sensory nerve induces bone formation under mechanical loads. Int J Oral Sci 2024; 16:5. [PMID: 38238300 PMCID: PMC10796360 DOI: 10.1038/s41368-023-00269-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 12/19/2023] [Accepted: 12/19/2023] [Indexed: 01/22/2024] Open
Abstract
Bone formation and deposition are initiated by sensory nerve infiltration in adaptive bone remodeling. Here, we focused on the role of Semaphorin 3A (Sema3A), expressed by sensory nerves, in mechanical loads-induced bone formation and nerve withdrawal using orthodontic tooth movement (OTM) model. Firstly, bone formation was activated after the 3rd day of OTM, coinciding with a decrease in sensory nerves and an increase in pain threshold. Sema3A, rather than nerve growth factor (NGF), highly expressed in both trigeminal ganglion and the axons of periodontal ligament following the 3rd day of OTM. Moreover, in vitro mechanical loads upregulated Sema3A in neurons instead of in human periodontal ligament cells (hPDLCs) within 24 hours. Furthermore, exogenous Sema3A restored the suppressed alveolar bone formation and the osteogenic differentiation of hPDLCs induced by mechanical overload. Mechanistically, Sema3A prevented overstretching of F-actin induced by mechanical overload through ROCK2 pathway, maintaining mitochondrial dynamics as mitochondrial fusion. Therefore, Sema3A exhibits dual therapeutic effects in mechanical loads-induced bone formation, both as a pain-sensitive analgesic and a positive regulator for bone formation.
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Affiliation(s)
- Hongxiang Mei
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhengzheng Li
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Qinyi Lv
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xingjian Li
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yumeng Wu
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Qingchen Feng
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhishen Jiang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yimei Zhou
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yule Zheng
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ziqi Gao
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jiawei Zhou
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Chen Jiang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shishu Huang
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China.
| | - Juan Li
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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11
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Zhao L, Lai Y, Jiao H, Huang J. Nerve Growth Factor Receptor Limits Inflammation to Promote Remodeling and Repair of Osteoarthritic Joints. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.21.572937. [PMID: 38187570 PMCID: PMC10769345 DOI: 10.1101/2023.12.21.572937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Osteoarthritis (OA) is a painful, incurable disease affecting over 500 million people. The need for relieving OA pain is paramount but inadequately addressed, partly due to limited understandings of how pain signaling regulates non-neural tissues. Here we report that nerve growth factor receptor (NGFR) is upregulated in skeletal cells during OA and plays an essential role in the remodeling and repair of osteoarthritic joints. Specifically, NGFR is expressed in osteochondral cells but not in skeletal progenitor cells and induced by TNFα to attenuate NF-κB activation, maintaining proper BMP-SMAD1 signaling and suppressing RANKL expression. NGFR deficiency hyper-activates NF-κB in murine osteoarthritic joints, which impairs bone formation and enhances bone resorption as exemplified by a reduction in subchondral bone and osteophytes. In human OA cartilage, NGFR is also negatively associated with NF-κB activation. Together, this study uncovers a role of NGFR in limiting inflammation for repair of diseased skeletal tissues.
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Affiliation(s)
- Lan Zhao
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
- These authors contributed equally: Lan Zhao, Jian Huang
| | - Yumei Lai
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Hongli Jiao
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Jian Huang
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
- These authors contributed equally: Lan Zhao, Jian Huang
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12
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Cherief M, Xu J, Li Z, Tower RJ, Ramesh S, Qin Q, Gomez-Salazar M, Yea JH, Lee S, Negri S, Xu M, Price T, Kendal AR, Fan CM, Clemens TL, Levi B, James AW. TrkA-mediated sensory innervation of injured mouse tendon supports tendon sheath progenitor cell expansion and tendon repair. Sci Transl Med 2023; 15:eade4619. [PMID: 38117901 DOI: 10.1126/scitranslmed.ade4619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 11/29/2023] [Indexed: 12/22/2023]
Abstract
Peripheral neurons terminate at the surface of tendons partly to relay nociceptive pain signals; however, the role of peripheral nerves in tendon injury and repair remains unclear. Here, we show that after Achilles tendon injury in mice, there is new nerve growth near tendon cells that express nerve growth factor (NGF). Conditional deletion of the Ngf gene in either myeloid or mesenchymal mouse cells limited both innervation and tendon repair. Similarly, inhibition of the NGF receptor tropomyosin receptor kinase A (TrkA) abrogated tendon healing in mouse tendon injury. Sural nerve transection blocked the postinjury increase in tendon sensory innervation and the expansion of tendon sheath progenitor cells (TSPCs) expressing tubulin polymerization promoting protein family member 3. Single cell and spatial transcriptomics revealed that disruption of sensory innervation resulted in dysregulated inflammatory signaling and transforming growth factor-β (TGFβ) signaling in injured mouse tendon. Culture of mouse TSPCs with conditioned medium from dorsal root ganglia neuron further supported a role for neuronal mediators and TGFβ signaling in TSPC proliferation. Transcriptomic and histologic analyses of injured human tendon biopsy samples supported a role for innervation and TGFβ signaling in human tendon regeneration. Last, treating mice after tendon injury systemically with a small-molecule partial agonist of TrkA increased neurovascular response, TGFβ signaling, TSPC expansion, and tendon tissue repair. Although further studies should investigate the potential effects of denervation on mechanical loading of tendon, our results suggest that peripheral innervation is critical for the regenerative response after acute tendon injury.
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Affiliation(s)
- Masnsen Cherief
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Jiajia Xu
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Zhao Li
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Robert J Tower
- Center for Organogenesis and Trauma, Department of Surgery, University of Texas Southwestern, Dallas, TX 75390, USA
| | - Sowmya Ramesh
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Qizhi Qin
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
| | | | - Ji-Hye Yea
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Seungyong Lee
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Stefano Negri
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
- Department of Orthopaedics and Traumatology, University of Verona, Verona 37129, Italy
| | - Mingxin Xu
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Theodore Price
- Department of Neuroscience, Center for Advanced Pain Studies, University of Texas at Dallas, Dallas, TX 75080, USA
| | - Adrian R Kendal
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, Botnar Research Centre, Windmill Road, Oxford OX3 7LD, UK
| | - Chen-Ming Fan
- Department of Embryology, Carnegie Institution for Science, Baltimore, MD 21208, USA
| | - Thomas L Clemens
- Department of Orthopaedics, University of Maryland, Baltimore, MD 21205, USA
- Baltimore Veterans Administration Medical Center, Baltimore, MD 21201, USA
| | - Benjamin Levi
- Center for Organogenesis and Trauma, Department of Surgery, University of Texas Southwestern, Dallas, TX 75390, USA
| | - Aaron W James
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21205, USA
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13
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Nunez JH, Juan C, Sun Y, Hong J, Bancroft AC, Hwang C, Medrano JM, Huber AK, Tower RJ, Levi B. Neutrophil and NETosis Modulation in Traumatic Heterotopic Ossification. Ann Surg 2023; 278:e1289-e1298. [PMID: 37325925 PMCID: PMC10724380 DOI: 10.1097/sla.0000000000005940] [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] [Indexed: 06/17/2023]
Abstract
OBJECTIVE To characterize the role of neutrophil extracellular traps (NETs) in heterotopic ossification (HO) formation and progression and to use mechanical and pharmacological methods to decrease NETosis and mitigate HO formation. BACKGROUND Traumatic HO is the aberrant osteochondral differentiation of mesenchymal progenitor cells after traumatic injury, burns, or surgery. While the innate immune response has been shown to be necessary for HO formation, the specific immune cell phenotype and function remain unknown. Neutrophils, one of the earliest immune cells to respond after HO-inducing injuries, can extrude DNA, forming highly inflammatory NETs. We hypothesized that neutrophils and NETs would be diagnostic biomarkers and therapeutic targets for the detection and mitigation of HO. METHODS C57BL6J mice underwent burn/tenotomy (a well-established mouse model of HO) or a non-HO-forming sham injury. These mice were either (1) ambulated ad libitum, (2) ambulated ad libitum with daily intraperitoneal hydroxychloroquine, ODN-2088 (both known to affect NETosis pathways), or control injections, or (3) had the injured hind limb immobilized. Single-cell analysis was performed to analyze neutrophils, NETosis, and downstream signaling after the HO-forming injury. Immunofluorescence microscopy was used to visualize NETosis at the HO site and neutrophils were identified using flow cytometry. Serum and cell lysates from HO sites were analyzed using enzyme-linked immunosorbent assay for myeloperoxidase-DNA and ELA2-DNA complexes to identify NETosis. Micro-computerized tomography was performed on all groups to analyze the HO volume. RESULTS Molecular and transcriptional analyses revealed the presence of NETs within the HO injury site, which peaked in the early phases after injury. These NETs were highly restricted to the HO site, with gene signatures derived from both in vitro NET induction and clinical neutrophil characterizations showing a high degree of NET "priming" at the site of injury, but not in neutrophils in the blood or bone marrow. Cell-cell communication analyses revealed that this localized NET formation coincided with high levels of toll-like receptor signaling specific to neutrophils at the injury site. Reducing the overall neutrophil abundance within the injury site, either pharmacologically through treatment with hydroxychloroquine, the toll-like receptor 9 inhibitor OPN-2088, or mechanical treatment with limb offloading, results in the mitigation of HO formation. CONCLUSIONS These data provide a further understanding of the ability of neutrophils to form NETs at the injury site, clarify the role of neutrophils in HO, and identify potential diagnostic and therapeutic targets for HO mitigation.
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Affiliation(s)
- Johanna H Nunez
- Department of Surgery, Center for Organogenesis and Trauma, University of Texas, Southwestern, Dallas, TX
| | - Conan Juan
- Department of Surgery, Center for Organogenesis and Trauma, University of Texas, Southwestern, Dallas, TX
| | - Yuxiao Sun
- Department of Surgery, Center for Organogenesis and Trauma, University of Texas, Southwestern, Dallas, TX
| | - Jonathan Hong
- Department of Surgery, Center for Organogenesis and Trauma, University of Texas, Southwestern, Dallas, TX
| | - Alec C Bancroft
- Department of Surgery, Center for Organogenesis and Trauma, University of Texas, Southwestern, Dallas, TX
| | - Charles Hwang
- Department of Plastic Surgery, Harvard University, Cambridge, MA
| | - Jessica Marie Medrano
- Department of Surgery, Center for Organogenesis and Trauma, University of Texas, Southwestern, Dallas, TX
| | - Amanda K Huber
- Department of Radiation Oncology, University of Michigan, Ann Arbor, MI
| | - Robert J Tower
- Department of Surgery, Center for Organogenesis and Trauma, University of Texas, Southwestern, Dallas, TX
| | - Benjamin Levi
- Department of Surgery, Center for Organogenesis and Trauma, University of Texas, Southwestern, Dallas, TX
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Crossley JL, Ostashevskaya-Gohstand S, Comazzetto S, Hook JS, Guo L, Vishlaghi N, Juan C, Xu L, Horswill AR, Hoxhaj G, Moreland JG, Tower RJ, Levi B. Itaconate-producing neutrophils regulate local and systemic inflammation following trauma. JCI Insight 2023; 8:e169208. [PMID: 37707952 PMCID: PMC10619500 DOI: 10.1172/jci.insight.169208] [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: 01/27/2023] [Accepted: 09/05/2023] [Indexed: 09/16/2023] Open
Abstract
Modulation of the immune response to initiate and halt the inflammatory process occurs both at the site of injury as well as systemically. Due to the evolving role of cellular metabolism in regulating cell fate and function, tendon injuries that undergo normal and aberrant repair were evaluated by metabolic profiling to determine its impact on healing outcomes. Metabolomics revealed an increasing abundance of the immunomodulatory metabolite itaconate within the injury site. Subsequent single-cell RNA-Seq and molecular and metabolomic validation identified a highly mature neutrophil subtype, not macrophages, as the primary producers of itaconate following trauma. These mature itaconate-producing neutrophils were highly inflammatory, producing cytokines that promote local injury fibrosis before cycling back to the bone marrow. In the bone marrow, itaconate was shown to alter hematopoiesis, skewing progenitor cells down myeloid lineages, thereby regulating systemic inflammation. Therapeutically, exogenous itaconate was found to reduce injury-site inflammation, promoting tenogenic differentiation and impairing aberrant vascularization with disease-ameliorating effects. These results present an intriguing role for cycling neutrophils as a sensor of inflammation induced by injury - potentially regulating immune cell production in the bone marrow through delivery of endogenously produced itaconate - and demonstrate a therapeutic potential for exogenous itaconate following tendon injury.
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Affiliation(s)
| | | | | | | | - Lei Guo
- Quantitative Biomedical Research Center, Peter O’Donnell Jr. School of Public Health, UT Southwestern Medical Center, Dallas, Texas, USA
| | | | | | - Lin Xu
- Department of Pediatrics, and
- Quantitative Biomedical Research Center, Peter O’Donnell Jr. School of Public Health, UT Southwestern Medical Center, Dallas, Texas, USA
| | - Alexander R. Horswill
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Gerta Hoxhaj
- Children’s Research Institute and Department of Pediatrics
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15
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Hassan MG, Horenberg AL, Coler-Reilly A, Grayson WL, Scheller EL. Role of the Peripheral Nervous System in Skeletal Development and Regeneration: Controversies and Clinical Implications. Curr Osteoporos Rep 2023; 21:503-518. [PMID: 37578676 PMCID: PMC10543521 DOI: 10.1007/s11914-023-00815-5] [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: 07/25/2023] [Indexed: 08/15/2023]
Abstract
PURPOSE OF REVIEW This review examines the diverse functional relationships that exist between the peripheral nervous system (PNS) and bone, including key advances over the past century that inform our efforts to translate these discoveries for skeletal repair. RECENT FINDINGS The innervation of the bone during development, homeostasis, and regeneration is highly patterned. Consistent with this, there have been nearly 100 studies over the past century that have used denervation approaches to isolate the effects of the different branches of the PNS on the bone. Overall, a common theme of balance emerges whereby an orchestration of both local and systemic neural functions must align to promote optimal skeletal repair while limiting negative consequences such as pain. An improved understanding of the functional bidirectional pathways linking the PNS and bone has important implications for skeletal development and regeneration. Clinical advances over the next century will necessitate a rigorous identification of the mechanisms underlying these effects that is cautious not to oversimplify the in vivo condition in diverse states of health and disease.
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Affiliation(s)
- Mohamed G Hassan
- Department of Medicine, Division of Bone and Mineral Diseases, Washington University, 660 South Euclid Avenue, Campus Box 8301, St. Louis, MO, 63110, USA
| | - Allison L Horenberg
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA
- Translational Tissue Engineering Center, Johns Hopkins University, Baltimore, MD, USA
| | - Ariella Coler-Reilly
- Department of Medicine, Division of Bone and Mineral Diseases, Washington University, 660 South Euclid Avenue, Campus Box 8301, St. Louis, MO, 63110, USA
| | - Warren L Grayson
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA
- Translational Tissue Engineering Center, Johns Hopkins University, Baltimore, MD, USA
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, USA
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD, USA
- Institute for Nanobiotechnology, Johns Hopkins University, Baltimore, MD, USA
| | - Erica L Scheller
- Department of Medicine, Division of Bone and Mineral Diseases, Washington University, 660 South Euclid Avenue, Campus Box 8301, St. Louis, MO, 63110, USA.
- Department of Biomedical Engineering, Washington University, MO, St. Louis, USA.
- Department of Cell Biology and Physiology, Washington University, MO, St. Louis, USA.
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16
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Nguyen TM, Ngoc DTM, Choi JH, Lee CH. Unveiling the Neural Environment in Cancer: Exploring the Role of Neural Circuit Players and Potential Therapeutic Strategies. Cells 2023; 12:1996. [PMID: 37566075 PMCID: PMC10417274 DOI: 10.3390/cells12151996] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/27/2023] [Accepted: 08/01/2023] [Indexed: 08/12/2023] Open
Abstract
The regulation of the immune environment within the tumor microenvironment has provided new opportunities for cancer treatment. However, an important microenvironment surrounding cancer that is often overlooked despite its significance in cancer progression is the neural environment surrounding the tumor. The release of neurotrophic factors from cancer cells is implicated in cancer growth and metastasis by facilitating the infiltration of nerve cells into the tumor microenvironment. This nerve-tumor interplay can elicit cancer cell proliferation, migration, and invasion in response to neurotransmitters. Moreover, it is possible that cancer cells could establish a network resembling that of neurons, allowing them to communicate with one another through neurotransmitters. The expression levels of players in the neural circuits of cancers could serve as potential biomarkers for cancer aggressiveness. Notably, the upregulation of certain players in the neural circuit has been linked to poor prognosis in specific cancer types such as breast cancer, pancreatic cancer, basal cell carcinoma, and stomach cancer. Targeting these players with inhibitors holds great potential for reducing the morbidity and mortality of these carcinomas. However, the efficacy of anti-neurogenic agents in cancer therapy remains underexplored, and further research is necessary to evaluate their effectiveness as a novel approach for cancer treatment. This review summarizes the current knowledge on the role of players in the neural circuits of cancers and the potential of anti-neurogenic agents for cancer therapy.
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Affiliation(s)
- Tuan Minh Nguyen
- College of Pharmacy, Dongguk University, Goyang 10326, Republic of Korea; (T.M.N.); (D.T.M.N.)
| | - Dinh Thi Minh Ngoc
- College of Pharmacy, Dongguk University, Goyang 10326, Republic of Korea; (T.M.N.); (D.T.M.N.)
| | - Jung-Hye Choi
- College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Chang-Hoon Lee
- College of Pharmacy, Dongguk University, Goyang 10326, Republic of Korea; (T.M.N.); (D.T.M.N.)
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17
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Yea JH, Gomez-Salazar M, Onggo S, Li Z, Thottappillil N, Cherief M, Negri S, Xing X, Qin Q, Tower RJ, Fan CM, Levi B, James AW. Tppp3 + synovial/tendon sheath progenitor cells contribute to heterotopic bone after trauma. Bone Res 2023; 11:39. [PMID: 37479686 PMCID: PMC10361999 DOI: 10.1038/s41413-023-00272-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 05/18/2023] [Accepted: 05/28/2023] [Indexed: 07/23/2023] Open
Abstract
Heterotopic ossification (HO) is a pathological process resulting in aberrant bone formation and often involves synovial lined tissues. During this process, mesenchymal progenitor cells undergo endochondral ossification. Nonetheless, the specific cell phenotypes and mechanisms driving this process are not well understood, in part due to the high degree of heterogeneity of the progenitor cells involved. Here, using a combination of lineage tracing and single-cell RNA sequencing (scRNA-seq), we investigated the extent to which synovial/tendon sheath progenitor cells contribute to heterotopic bone formation. For this purpose, Tppp3 (tubulin polymerization-promoting protein family member 3)-inducible reporter mice were used in combination with either Scx (Scleraxis) or Pdgfra (platelet derived growth factor receptor alpha) reporter mice. Both tendon injury- and arthroplasty-induced mouse experimental HO models were utilized. ScRNA-seq of tendon-associated traumatic HO suggested that Tppp3 is an early progenitor cell marker for either tendon or osteochondral cells. Upon HO induction, Tppp3 reporter+ cells expanded in number and partially contributed to cartilage and bone formation in either tendon- or joint-associated HO. In double reporter animals, both Pdgfra+Tppp3+ and Pdgfra+Tppp3- progenitor cells gave rise to HO-associated cartilage. Finally, analysis of human samples showed a substantial population of TPPP3-expressing cells overlapping with osteogenic markers in areas of heterotopic bone. Overall, these data demonstrate that synovial/tendon sheath progenitor cells undergo aberrant osteochondral differentiation and contribute to HO after trauma.
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Affiliation(s)
- Ji-Hye Yea
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Mario Gomez-Salazar
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Sharon Onggo
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Zhao Li
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA
| | | | - Masnsen Cherief
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Stefano Negri
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA
- Orthopaedic and Trauma Surgery Unit, Department of Surgery, Dentistry, Paediatrics and Gynaecology of the University of Verona, Verona, Italy
| | - Xin Xing
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Qizhi Qin
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Robert Joel Tower
- Center for Organogenesis and Trauma, Department of Surgery, University of Texas Southwestern, Dallas, TX, USA
| | - Chen-Ming Fan
- Carnegie Institution for Science, Baltimore, MD, USA
| | - Benjamin Levi
- Center for Organogenesis and Trauma, Department of Surgery, University of Texas Southwestern, Dallas, TX, USA
| | - Aaron W James
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA.
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Lu J, Li H, Zhang Z, Xu R, Wang J, Jin H. Platelet-rich plasma in the pathologic processes of tendinopathy: a review of basic science studies. Front Bioeng Biotechnol 2023; 11:1187974. [PMID: 37545895 PMCID: PMC10401606 DOI: 10.3389/fbioe.2023.1187974] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 07/10/2023] [Indexed: 08/08/2023] Open
Abstract
Tendinopathy is a medical condition that includes a spectrum of inflammatory and degenerative tendon changes caused by traumatic or overuse injuries. The pathological mechanism of tendinopathy has not been well defined, and no ideal treatment is currently available. Platelet-rich plasma (PRP) is an autologous whole blood derivative containing a variety of cytokines and other protein components. Various basic studies have found that PRP has the therapeutic potential to promote cell proliferation and differentiation, regulate angiogenesis, increase extracellular matrix synthesis, and modulate inflammation in degenerative tendons. Therefore, PRP has been widely used as a promising therapeutic agent for tendinopathy. However, controversies exist over the optimal treatment regimen and efficacy of PRP for tendinopathy. This review focuses on the specific molecular and cellular mechanisms by which PRP manipulates tendon healing to better understand how PRP affects tendinopathy and explore the reason for the differences in clinical trial outcomes. This article has also pointed out the future direction of basic research and clinical application of PRP in the treatment of tendinopathy, which will play a guiding role in the design of PRP treatment protocols for tendinopathy.
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Affiliation(s)
- Jialin Lu
- Department of Pain, The Second Hospital of Jilin University, Changchun, China
- Norman Bethune Health Science Center of Jilin University, Changchun, China
| | - Han Li
- Norman Bethune Health Science Center of Jilin University, Changchun, China
| | - Ziyu Zhang
- Norman Bethune Health Science Center of Jilin University, Changchun, China
| | - Rui Xu
- Department of Endocrinology and Metabolism, Ruijin Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Jincheng Wang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, China
| | - Hui Jin
- Department of Pain, The Second Hospital of Jilin University, Changchun, China
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, China
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19
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Zhang Z, Wang F, Huang X, Sun H, Xu J, Qu H, Yan X, Shi W, Teng W, Jin X, Shao Z, Zhang Y, Zhao S, Wu Y, Ye Z, Yu X. Engineered Sensory Nerve Guides Self-Adaptive Bone Healing via NGF-TrkA Signaling Pathway. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2206155. [PMID: 36725311 PMCID: PMC10074090 DOI: 10.1002/advs.202206155] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 01/10/2023] [Indexed: 06/17/2023]
Abstract
The upstream role of sensory innervation during bone homeostasis is widely underestimated in bone repairing strategies. Herein, a neuromodulation approach is proposed to orchestrate bone defect healing by constructing engineered sensory nerves (eSN) in situ to leverage the adaptation feature of SN during tissue formation. NGF liberated from ECM-constructed eSN effectively promotes sensory neuron differentiation and enhances CGRP secretion, which lead to improved RAOECs mobility and osteogenic differentiation of BMSC. In turn, such eSN effectively drives ossification in vivo via NGF-TrkA signaling pathway, which substantially accelerates critical size bone defect healing. More importantly, eSN also adaptively suppresses excessive bone formation and promotes bone remodeling by activating osteoclasts via CGRP-dependent mechanism when combined with BMP-2 delivery, which ingeniously alleviates side effects of BMP-2. In sum, this eSN approach offers a valuable avenue to harness the adaptive role of neural system to optimize bone homeostasis under various clinical scenario.
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Affiliation(s)
- Zengjie Zhang
- Department of Orthopedic SurgeryThe Second Affiliated HospitalZhejiang University School of MedicineOrthopedics Research Institute of Zhejiang UniversityKey Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province88 Jiefang RoadHangzhou CityZhejiang Province310003P. R. China
| | - Fangqian Wang
- Department of Orthopedic SurgeryThe Second Affiliated HospitalZhejiang University School of MedicineOrthopedics Research Institute of Zhejiang UniversityKey Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province88 Jiefang RoadHangzhou CityZhejiang Province310003P. R. China
| | - Xin Huang
- Department of Orthopedic SurgeryThe Second Affiliated HospitalZhejiang University School of MedicineOrthopedics Research Institute of Zhejiang UniversityKey Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province88 Jiefang RoadHangzhou CityZhejiang Province310003P. R. China
| | - Hangxiang Sun
- Department of Orthopedic SurgeryThe Second Affiliated HospitalZhejiang University School of MedicineOrthopedics Research Institute of Zhejiang UniversityKey Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province88 Jiefang RoadHangzhou CityZhejiang Province310003P. R. China
| | - Jianxiang Xu
- Department of Orthopedic SurgeryThe Second Affiliated HospitalZhejiang University School of MedicineOrthopedics Research Institute of Zhejiang UniversityKey Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province88 Jiefang RoadHangzhou CityZhejiang Province310003P. R. China
| | - Hao Qu
- Department of Orthopedic SurgeryThe Second Affiliated HospitalZhejiang University School of MedicineOrthopedics Research Institute of Zhejiang UniversityKey Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province88 Jiefang RoadHangzhou CityZhejiang Province310003P. R. China
| | - Xiaobo Yan
- Department of Orthopedic SurgeryThe Second Affiliated HospitalZhejiang University School of MedicineOrthopedics Research Institute of Zhejiang UniversityKey Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province88 Jiefang RoadHangzhou CityZhejiang Province310003P. R. China
| | - Wei Shi
- Department of OrthopedicTaizhou First People's HospitalWenzhou Medical University218 Hengjie Road, Huangyan DistrictTaizhou CityZhejiang Province318020P. R. China
| | - Wangsiyuan Teng
- Department of Orthopedic SurgeryThe Second Affiliated HospitalZhejiang University School of MedicineOrthopedics Research Institute of Zhejiang UniversityKey Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province88 Jiefang RoadHangzhou CityZhejiang Province310003P. R. China
| | - Xiaoqiang Jin
- Department of Orthopedic SurgeryThe Second Affiliated HospitalZhejiang University School of MedicineOrthopedics Research Institute of Zhejiang UniversityKey Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province88 Jiefang RoadHangzhou CityZhejiang Province310003P. R. China
| | - Zhenxuan Shao
- Department of Orthopedic SurgeryThe Second Affiliated HospitalZhejiang University School of MedicineOrthopedics Research Institute of Zhejiang UniversityKey Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province88 Jiefang RoadHangzhou CityZhejiang Province310003P. R. China
| | - Yongxing Zhang
- Department of Orthopedic SurgeryThe Second Affiliated HospitalZhejiang University School of MedicineOrthopedics Research Institute of Zhejiang UniversityKey Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province88 Jiefang RoadHangzhou CityZhejiang Province310003P. R. China
| | - Shenzhi Zhao
- Department of Orthopedic SurgeryThe Second Affiliated HospitalZhejiang University School of MedicineOrthopedics Research Institute of Zhejiang UniversityKey Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province88 Jiefang RoadHangzhou CityZhejiang Province310003P. R. China
| | - Yan Wu
- Department of Orthopedic SurgeryThe Second Affiliated HospitalZhejiang University School of MedicineOrthopedics Research Institute of Zhejiang UniversityKey Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province88 Jiefang RoadHangzhou CityZhejiang Province310003P. R. China
| | - Zhaoming Ye
- Department of Orthopedic SurgeryThe Second Affiliated HospitalZhejiang University School of MedicineOrthopedics Research Institute of Zhejiang UniversityKey Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province88 Jiefang RoadHangzhou CityZhejiang Province310003P. R. China
| | - Xiaohua Yu
- Department of Orthopedic SurgeryThe Second Affiliated HospitalZhejiang University School of MedicineOrthopedics Research Institute of Zhejiang UniversityKey Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province88 Jiefang RoadHangzhou CityZhejiang Province310003P. R. China
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Denervation during mandibular distraction osteogenesis results in impaired bone formation. Sci Rep 2023; 13:2097. [PMID: 36747028 PMCID: PMC9902545 DOI: 10.1038/s41598-023-27921-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 01/10/2023] [Indexed: 02/08/2023] Open
Abstract
Mandibular distraction osteogenesis (DO) is mediated by skeletal stem cells (SSCs) in mice, which enact bone regeneration via neural crest re-activation. As peripheral nerves are essential to progenitor function during development and in response to injury, we questioned if denervation impairs mandibular DO. C57Bl6 mice were divided into two groups: DO with a segmental defect in the inferior alveolar nerve (IAN) at the time of mandibular osteotomy ("DO Den") and DO with IAN intact ("DO Inn"). DO Den demonstrated significantly reduced histological and radiological osteogenesis relative to DO Inn. Denervation preceding DO results in reduced SSC amplification and osteogenic potential in mice. Single cell RNA sequencing analysis revealed that there was a predominance of innervated SSCs in clusters dominated by pathways related to bone formation. A rare human patient specimen was also analyzed and suggested that histological, radiological, and transcriptional alterations seen in mouse DO may be conserved in the setting of denervated human mandible distraction. Fibromodulin (FMOD) transcriptional and protein expression were reduced in denervated relative to innervated mouse and human mandible regenerate. Finally, when exogenous FMOD was added to DO-Den and DO-Inn SSCs undergoing in vitro osteogenic differentiation, the osteogenic potential of DO-Den SSCs was increased in comparison to control untreated DO-Den SSCs, modeling the superior osteogenic potential of DO-Inn SSCs.
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21
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Liu S, Liu S, Li S, Liang B, Han X, Liang Y, Wei X. Nerves within bone and their application in tissue engineering of bone regeneration. Front Neurol 2023; 13:1085560. [PMID: 36818724 PMCID: PMC9933508 DOI: 10.3389/fneur.2022.1085560] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 12/02/2022] [Indexed: 02/05/2023] Open
Abstract
Nerves within bone play an irreplaceable role in promoting bone regeneration. Crosstalk between the nerve system and bone has arisen to the attention of researchers in the field of basic medicine, clinical medicine, and biomaterials science. Successful bone regeneration relies on the appropriate participation of neural system components including nerve fibers, signaling molecules, and neural-related cells. Furthermore, more about the mechanisms through which nerves took part in bone regeneration and how these mechanisms could be integrated into tissue engineering scaffolds were under exploration. In the present review, we aimed to systematically elaborate on the structural and functional interrelationship between the nerve system and bone. In particular, peripheral nerves interact with the bone through innervated axons, multiple neurotrophins, and bone resident cells. Also, we aimed to summarize research that took advantage of the neuro-osteogenic network to design tissue engineering scaffolds for bone repair.
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22
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Pei F, Ma L, Jing J, Feng J, Yuan Y, Guo T, Han X, Ho TV, Lei J, He J, Zhang M, Chen JF, Chai Y. Sensory nerve niche regulates mesenchymal stem cell homeostasis via FGF/mTOR/autophagy axis. Nat Commun 2023; 14:344. [PMID: 36670126 PMCID: PMC9859800 DOI: 10.1038/s41467-023-35977-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 01/10/2023] [Indexed: 01/22/2023] Open
Abstract
Mesenchymal stem cells (MSCs) reside in microenvironments, referred to as niches, which provide structural support and molecular signals. Sensory nerves are niche components in the homeostasis of tissues such as skin, bone marrow and hematopoietic system. However, how the sensory nerve affects the behavior of MSCs remains largely unknown. Here we show that the sensory nerve is vital for mesenchymal tissue homeostasis and maintenance of MSCs in the continuously growing adult mouse incisor. Loss of sensory innervation leads to mesenchymal disorder and a decrease in MSCs. Mechanistically, FGF1 from the sensory nerve directly acts on MSCs by binding to FGFR1 and activates the mTOR/autophagy axis to sustain MSCs. Modulation of mTOR/autophagy restores the MSCs and rescues the mesenchymal tissue disorder of Fgfr1 mutant mice. Collectively, our study provides insights into the role of sensory nerves in the regulation of MSC homeostasis and the mechanism governing it.
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Affiliation(s)
- Fei Pei
- Center for Craniofacial Molecular Biology, University of Southern California, 2250 Alcazar Street, CSA 103, Los Angeles, CA, 90033, USA
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, 430079, Wuhan, China
| | - Li Ma
- Center for Craniofacial Molecular Biology, University of Southern California, 2250 Alcazar Street, CSA 103, Los Angeles, CA, 90033, USA
| | - Junjun Jing
- Center for Craniofacial Molecular Biology, University of Southern California, 2250 Alcazar Street, CSA 103, Los Angeles, CA, 90033, USA
| | - Jifan Feng
- Center for Craniofacial Molecular Biology, University of Southern California, 2250 Alcazar Street, CSA 103, Los Angeles, CA, 90033, USA
| | - Yuan Yuan
- Center for Craniofacial Molecular Biology, University of Southern California, 2250 Alcazar Street, CSA 103, Los Angeles, CA, 90033, USA
| | - Tingwei Guo
- Center for Craniofacial Molecular Biology, University of Southern California, 2250 Alcazar Street, CSA 103, Los Angeles, CA, 90033, USA
| | - Xia Han
- Center for Craniofacial Molecular Biology, University of Southern California, 2250 Alcazar Street, CSA 103, Los Angeles, CA, 90033, USA
| | - Thach-Vu Ho
- Center for Craniofacial Molecular Biology, University of Southern California, 2250 Alcazar Street, CSA 103, Los Angeles, CA, 90033, USA
| | - Jie Lei
- Center for Craniofacial Molecular Biology, University of Southern California, 2250 Alcazar Street, CSA 103, Los Angeles, CA, 90033, USA
| | - Jinzhi He
- Center for Craniofacial Molecular Biology, University of Southern California, 2250 Alcazar Street, CSA 103, Los Angeles, CA, 90033, USA
| | - Mingyi Zhang
- Center for Craniofacial Molecular Biology, University of Southern California, 2250 Alcazar Street, CSA 103, Los Angeles, CA, 90033, USA
| | - Jian-Fu Chen
- Center for Craniofacial Molecular Biology, University of Southern California, 2250 Alcazar Street, CSA 103, Los Angeles, CA, 90033, USA
| | - Yang Chai
- Center for Craniofacial Molecular Biology, University of Southern California, 2250 Alcazar Street, CSA 103, Los Angeles, CA, 90033, USA.
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23
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Mei H, Wu Y, Feng Q, Li X, Zhou J, Jiang F, Huang S, Li J. The interplay between the nerves and skeleton: a 30-year bibliometric analysis. ANNALS OF TRANSLATIONAL MEDICINE 2023; 11:9. [PMID: 36760256 PMCID: PMC9906194 DOI: 10.21037/atm-22-3323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 10/18/2022] [Indexed: 01/15/2023]
Abstract
Background The mechanisms and effects of the interplay between the nerves and skeleton remain a popular research topic. This study aimed to analyze and evaluate publications on nerve-bone interactions using bibliometrics and to identify the state of the art of current research, hotspots, and future directions. Methods This study included 1989 articles and reviews from the Web of Science Core Collection (WoSCC) published from January 1, 1991, to June 22, 2022. The Bibliometrix package of R 4.2.0 (The R Foundation for Statistical Computing, Vienna, Austria) was used to analyze basic information about the publications, including the annual number of publications, institution analysis, author influence analysis, journal analysis, and the national cooperation network. We also used CiteSpace 5.8.R3 for bibliometric analysis, including co-occurrence, co-citation, and cluster analysis. Results We discovered a significant increase in the number of articles on nerve-bone interactions published over the last 10 years. The most active country and institution were the United States and the University of Minnesota, respectively. In terms of journals and cocited journals, Bone was ranked highest with respect to the number of publications, while Journal of Bone and Mineral Research was ranked highest among cited journals. Wang Lei was the author with the most publications, and Bjurholm A was the most cited author. The analysis of references and keywords revealed that the impact of nerve- and neuromodulation-related factors on stem cell differentiation was a persistently hot topic. Osteoarthritis, neuropeptide Y, and osteoclastogenic process are likely to be the next era of research hotspots. The neurovascular crosstalk within bone has received great attention, especially in skeletal diseases, which may provide potential targets for future treatments. Conclusions We used a bibliometric method to provide an efficient, objective, and comprehensive assessment of existing research about the interplay between the skeletal and nervous systems and to accurately identify hotspots and research frontiers, providing valuable information for future research.
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Affiliation(s)
- Hongxiang Mei
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yumeng Wu
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Qingchen Feng
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xingjian Li
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jiawei Zhou
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Fulin Jiang
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shishu Huang
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, China
| | - Juan Li
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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24
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Biological and Mechanical Factors and Epigenetic Regulation Involved in Tendon Healing. Stem Cells Int 2023; 2023:4387630. [PMID: 36655033 PMCID: PMC9842431 DOI: 10.1155/2023/4387630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/18/2022] [Accepted: 12/28/2022] [Indexed: 01/11/2023] Open
Abstract
Tendons are an important part of the musculoskeletal system. Connecting muscles to bones, tendons convert force into movement. Tendon injury can be acute or chronic. Noticeably, tendon healing requires a long time span and includes inflammation, proliferation, and remodeling processes. The mismatch between endogenous and exogenous healing may lead to adhesion causing further negative effects. Management of tendon injuries and complications such as subsequent adhesion formation are still challenges for clinicians. Due to numerous factors, tendon healing is a complex process. This review introduces the role of various biological and mechanical factors and epigenetic regulation processes involved in tendon healing.
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25
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Hallmarks of peripheral nerve function in bone regeneration. Bone Res 2023; 11:6. [PMID: 36599828 PMCID: PMC9813170 DOI: 10.1038/s41413-022-00240-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 09/27/2022] [Accepted: 11/03/2022] [Indexed: 01/06/2023] Open
Abstract
Skeletal tissue is highly innervated. Although different types of nerves have been recently identified in the bone, the crosstalk between bone and nerves remains unclear. In this review, we outline the role of the peripheral nervous system (PNS) in bone regeneration following injury. We first introduce the conserved role of nerves in tissue regeneration in species ranging from amphibians to mammals. We then present the distribution of the PNS in the skeletal system under physiological conditions, fractures, or regeneration. Furthermore, we summarize the ways in which the PNS communicates with bone-lineage cells, the vasculature, and immune cells in the bone microenvironment. Based on this comprehensive and timely review, we conclude that the PNS regulates bone regeneration through neuropeptides or neurotransmitters and cells in the peripheral nerves. An in-depth understanding of the roles of peripheral nerves in bone regeneration will inform the development of new strategies based on bone-nerve crosstalk in promoting bone repair and regeneration.
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26
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Han X, Ma Y, Lu W, Yan J, Qin W, He J, Niu LN, Jiao K. Bioactive semaphorin 3A promotes sequential formation of sensory nerve and type H vessels during in situ osteogenesis. Front Bioeng Biotechnol 2023; 11:1138601. [PMID: 36949886 PMCID: PMC10025372 DOI: 10.3389/fbioe.2023.1138601] [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: 01/05/2023] [Accepted: 02/24/2023] [Indexed: 03/08/2023] Open
Abstract
Introduction: Sensory nerves and vessels are critical for skeletal development and regeneration, but crosstalk between neurovascular network and mineralization are not clear. The aim of this study was to explore neurovascular changes and identify bioactive regulators during in situ osteogenesis. Method: In situ osteogenesis model was performed in male rats following Achilles tenotomy. At 3, 6 and 9 weeks after surgery, mineralization, blood vessels, sensory innervation, and bioactive regulators expression were evaluated via micro-computed tomography, immunofluorescent staining, histology and reverse transcriptase-polymerase chain reaction analyses. Result: In the process of in situ osteogenesis, the mineral density increased with time, and the locations of minerals, nerves and blood vessels were highly correlated at each time point. The highest density of sensory nerve was observed in the experimental group at the 3rd week, and then gradually decreased with time, but still higher than that in the sham control group. Among many regulatory factors, semaphorin 3A (Sema3A) was highly expressed in experimental model and its expression was temporally sequential and spatially correlated sensory nerve. Conclusion: The present study showes that during in situ osteogenesis, innervation and angiogenesis are highly correlated, and Sema3A is associated with the position and expression of the sensory nerve.
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Affiliation(s)
- Xiaoxiao Han
- The College of Life Science, Northwest University, Xi’an, Shaanxi, China
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Yuxuan Ma
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Weicheng Lu
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Jianfei Yan
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Wenpin Qin
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Jiaying He
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Li-Na Niu
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Kai Jiao
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an, Shaanxi, China
- *Correspondence: Kai Jiao,
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27
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Pang K, Wang W, Qin J, Shi Z, Hao L, Ma Y, Xu H, Wu Z, Pan D, Chen Z, Han C. Role of protein phosphorylation in cell signaling, disease, and the intervention therapy. MedComm (Beijing) 2022; 3:e175. [DOI: 10.1002/mco2.175] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 08/18/2022] [Accepted: 08/22/2022] [Indexed: 11/06/2022] Open
Affiliation(s)
- Kun Pang
- Department of Urology, Xuzhou Central Hospital, Xuzhou Clinical School of Xuzhou Medical College The Affiliated Xuzhou Hospital of Medical College of Southeast University The Affiliated Xuzhou Center Hospital of Nanjing University of Chinese Medicine Xuzhou Jiangsu China
| | - Wei Wang
- Department of Medical College Southeast University Nanjing Jiangsu China
| | - Jia‐Xin Qin
- Department of Urology, Xuzhou Central Hospital, Xuzhou Clinical School of Xuzhou Medical College The Affiliated Xuzhou Hospital of Medical College of Southeast University The Affiliated Xuzhou Center Hospital of Nanjing University of Chinese Medicine Xuzhou Jiangsu China
| | - Zhen‐Duo Shi
- Department of Urology, Xuzhou Central Hospital, Xuzhou Clinical School of Xuzhou Medical College The Affiliated Xuzhou Hospital of Medical College of Southeast University The Affiliated Xuzhou Center Hospital of Nanjing University of Chinese Medicine Xuzhou Jiangsu China
| | - Lin Hao
- Department of Urology, Xuzhou Central Hospital, Xuzhou Clinical School of Xuzhou Medical College The Affiliated Xuzhou Hospital of Medical College of Southeast University The Affiliated Xuzhou Center Hospital of Nanjing University of Chinese Medicine Xuzhou Jiangsu China
| | - Yu‐Yang Ma
- Graduate School Bengbu Medical College Bengbu Anhui China
| | - Hao Xu
- Graduate School Bengbu Medical College Bengbu Anhui China
| | - Zhuo‐Xun Wu
- Department of Pharmaceutical Sciences College of Pharmacy and Health Sciences St. John's University, Queens New York New York USA
| | - Deng Pan
- Graduate School Bengbu Medical College Bengbu Anhui China
| | - Zhe‐Sheng Chen
- Department of Pharmaceutical Sciences College of Pharmacy and Health Sciences St. John's University, Queens New York New York USA
| | - Cong‐Hui Han
- Department of Urology, Xuzhou Central Hospital, Xuzhou Clinical School of Xuzhou Medical College The Affiliated Xuzhou Hospital of Medical College of Southeast University The Affiliated Xuzhou Center Hospital of Nanjing University of Chinese Medicine Xuzhou Jiangsu China
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28
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Qin Q, Lee S, Patel N, Walden K, Gomez-Salazar M, Levi B, James AW. Neurovascular coupling in bone regeneration. Exp Mol Med 2022; 54:1844-1849. [PMID: 36446849 PMCID: PMC9722927 DOI: 10.1038/s12276-022-00899-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 10/11/2022] [Accepted: 10/11/2022] [Indexed: 11/30/2022] Open
Abstract
The mammalian skeletal system is densely innervated by both neural and vascular networks. Peripheral nerves in the skeleton include sensory and sympathetic nerves. The crosstalk between skeletal and neural tissues is critical for skeletal development and regeneration. The cellular processes of osteogenesis and angiogenesis are coupled in both physiological and pathophysiological contexts. The cellular and molecular regulation of osteogenesis and angiogenesis have yet to be fully defined. This review will provide a detailed characterization of the regulatory role of nerves and blood vessels during bone regeneration. Furthermore, given the importance of the spatial relationship between nerves and blood vessels in bone, we discuss neurovascular coupling during physiological and pathological bone formation. A better understanding of the interactions between nerves and blood vessels will inform future novel therapeutic neural and vascular targeting for clinical bone repair and regeneration.
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Affiliation(s)
- Qizhi Qin
- grid.21107.350000 0001 2171 9311Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21205 USA
| | - Seungyong Lee
- grid.260024.20000 0004 0627 4571Department of Physiology, College of Graduate Studies, Midwestern University, Glendale, AZ 85308 USA ,grid.412977.e0000 0004 0532 7395Department of Physical Education, Incheon National University, Incheon, 22012 South Korea
| | - Nirali Patel
- grid.260024.20000 0004 0627 4571Arizona College of Osteopathic Medicine, Midwestern University, Glendale, AZ 85308 USA
| | - Kalah Walden
- grid.260024.20000 0004 0627 4571Arizona College of Osteopathic Medicine, Midwestern University, Glendale, AZ 85308 USA
| | - Mario Gomez-Salazar
- grid.21107.350000 0001 2171 9311Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21205 USA
| | - Benjamin Levi
- grid.267313.20000 0000 9482 7121Departments of Surgery, UT Southwestern Medical Center, Dallas, TX 75390 USA
| | - Aaron W. James
- grid.21107.350000 0001 2171 9311Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21205 USA
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29
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Cherief M, Negri S, Qin Q, Pagani CA, Lee S, Yang YP, Clemens TL, Levi B, James AW. TrkA+ Neurons Induce Pathologic Regeneration After Soft Tissue Trauma. Stem Cells Transl Med 2022; 11:1165-1176. [PMID: 36222619 PMCID: PMC9672853 DOI: 10.1093/stcltm/szac073] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 09/03/2022] [Indexed: 11/13/2022] Open
Abstract
Heterotopic ossification (HO) is a dynamic, complex pathologic process that often occurs after severe polytrauma trauma, resulting in an abnormal mesenchymal stem cell differentiation leading to ectopic bone growth in soft-tissues including tendons, ligaments, and muscles. The abnormal bone structure and location induce pain and loss of mobility. Recently, we observed that NGF (Nerve growth factor)-responsive TrkA (Tropomyosin receptor kinase A)-expressing nerves invade sites of soft-tissue trauma, and this is a necessary feature for heterotopic bone formation at sites of injury. Here, we assayed the effects of the partial TrkA agonist Gambogic amide (GA) in peritendinous heterotopic bone after extremity trauma. Mice underwent HO induction using the burn/tenotomy model with or without systemic treatment with GA, followed by an examination of the injury site via radiographic imaging, histology, and immunohistochemistry. Single-cell RNA Sequencing confirmed an increase in neurotrophin signaling activity after HO-inducing extremity trauma. Next, TrkA agonism led to injury site hyper-innervation, more brisk expression of cartilage antigens within the injured tendon, and a shift from FGF to TGFβ signaling activity among injury site cells. Nine weeks after injury, this culminated in higher overall levels of heterotopic bone among GA-treated animals. In summary, these studies further link injury site hyper-innervation with increased vascular ingrowth and ultimately heterotopic bone after trauma. In the future, modulation of TrkA signaling may represent a potent means to prevent the trauma-induced heterotopic bone formation and improve tissue regeneration.
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Affiliation(s)
- Masnsen Cherief
- Department of Pathology, Johns Hopkins University, Baltimore, MD, USA
| | - Stefano Negri
- Department of Pathology, Johns Hopkins University, Baltimore, MD, USA.,Department of Orthopaedics and Traumatology, University of Verona, Verona, Italy
| | - Qizhi Qin
- Department of Pathology, Johns Hopkins University, Baltimore, MD, USA
| | - Chase A Pagani
- Center for Organogenesis and Trauma, Department of Surgery, University of Texas, Southwestern, TX, USA
| | - Seungyong Lee
- Department of Pathology, Johns Hopkins University, Baltimore, MD, USA
| | - Yunzhi Peter Yang
- Department of Orthopaedic Surgery, Stanford University, Stanford, CA, USA
| | - Thomas L Clemens
- Department of Orthopaedics, Johns Hopkins University, Baltimore, MD, USA.,Baltimore Veterans Administration Medical Center, Baltimore, MD, USA
| | - Benjamin Levi
- Center for Organogenesis and Trauma, Department of Surgery, University of Texas, Southwestern, TX, USA
| | - Aaron W James
- Department of Pathology, Johns Hopkins University, Baltimore, MD, USA
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30
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Spreadborough PJ, Strong AL, Mares J, Levi B, Davis TA. Tourniquet use following blast-associated complex lower limb injury and traumatic amputation promotes end organ dysfunction and amplified heterotopic ossification formation. J Orthop Surg Res 2022; 17:422. [PMID: 36123728 PMCID: PMC9484189 DOI: 10.1186/s13018-022-03321-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 09/13/2022] [Indexed: 11/10/2022] Open
Abstract
Background Traumatic heterotopic ossification (tHO) is characterized by ectopic bone formation in extra-skeletal sites leading to impaired wound healing, entrapment of neurovascular structures, pain, and reduced range of motion. HO has become a signature pathology affecting wounded military personnel who have sustained blast-associated traumatic amputations during the recent conflicts in Iraq and Afghanistan and can compound recovery by causing difficulty with prosthesis limb wearing. Tourniquet use to control catastrophic limb hemorrhage prior to surgery has become almost ubiquitous during this time, with the recognition the prolonged use may risk an ischemia reperfusion injury and associated complications. While many factors influence the formation of tHO, the extended use of tourniquets to limit catastrophic hemorrhage during prolonged field care has not been explored. Methods Utilizing an established pre-clinical model of blast-associated complex lower limb injury and traumatic amputation, we evaluated the effects of tourniquet use on tHO formation. Adult male rats were subjected to blast overpressure exposure, femur fracture, and soft tissue crush injury. Pneumatic tourniquet (250–300 mmHg) applied proximal to the injured limb for 150-min was compared to a control group without tourniquet, before a trans-femoral amputation was performed. Outcome measures were volume to tHO formation at 12 weeks and changes in proteomic and genomic markers of early tHO formation between groups. Results At 12 weeks, volumetric analysis with microCT imaging revealed a 70% increase in total bone formation (p = 0.007) near the site of injury compared to rats with no tourniquet time in the setting of blast-injuries. Rats subjected to tourniquet usage had increased expression of danger-associated molecular patterns (DAMPs) and end organ damage as early as 6 h and as late as 7 days post injury. The expressions of pro-inflammatory cytokines and chemokines and osteochondrogenic genes using quantitative RT-PCR similarly revealed increased expression as early as 6 h post injury, and these genes along with hypoxia associated genes remained elevated for 7 days compared to no tourniquet use. Conclusion These findings suggest that tourniquet induced ischemia leads to significant increases in key transcription factors associated with early endochondral bone formation, systemic inflammatory and hypoxia, resulting in increased HO formation.
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Affiliation(s)
- Philip J Spreadborough
- Department of Surgery, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD, 20814, USA.,Academic Department of Military Surgery and Trauma, Royal Centre for Defence Medicine, Birmingham, UK
| | - Amy L Strong
- Division of Plastic and Reconstructive Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | - John Mares
- Department of Surgery, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD, 20814, USA
| | - Benjamin Levi
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Thomas A Davis
- Department of Surgery, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD, 20814, USA.
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31
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Hwang CD, Pagani CA, Nunez JH, Cherief M, Qin Q, Gomez-Salazar M, Kadaikal B, Kang H, Chowdary AR, Patel N, James AW, Levi B. Contemporary perspectives on heterotopic ossification. JCI Insight 2022; 7:158996. [PMID: 35866484 PMCID: PMC9431693 DOI: 10.1172/jci.insight.158996] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Heterotopic ossification (HO) is the formation of ectopic bone that is primarily genetically driven (fibrodysplasia ossificans progressiva [FOP]) or acquired in the setting of trauma (tHO). HO has undergone intense investigation, especially over the last 50 years, as awareness has increased around improving clinical technologies and incidence, such as with ongoing wartime conflicts. Current treatments for tHO and FOP remain prophylactic and include NSAIDs and glucocorticoids, respectively, whereas other proposed therapeutic modalities exhibit prohibitive risk profiles. Contemporary studies have elucidated mechanisms behind tHO and FOP and have described new distinct niches independent of inflammation that regulate ectopic bone formation. These investigations have propagated a paradigm shift in the approach to treatment and management of a historically difficult surgical problem, with ongoing clinical trials and promising new targets.
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Affiliation(s)
- Charles D Hwang
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Massachusetts General Hospital, Harvard University, Boston, Massachusetts, USA
| | - Chase A Pagani
- Department of Surgery, Center for Organogenesis Research and Trauma, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Johanna H Nunez
- Department of Surgery, Center for Organogenesis Research and Trauma, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Masnsen Cherief
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland, USA
| | - Qizhi Qin
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland, USA
| | | | - Balram Kadaikal
- Department of Surgery, Center for Organogenesis Research and Trauma, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Heeseog Kang
- Department of Surgery, Center for Organogenesis Research and Trauma, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Ashish R Chowdary
- Department of Surgery, Center for Organogenesis Research and Trauma, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Nicole Patel
- Division of Plastic and Reconstructive Surgery, Department of Surgery, University of Michigan, Ann Arbor, Michigan, USA
| | - Aaron W James
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland, USA
| | - Benjamin Levi
- Department of Surgery, Center for Organogenesis Research and Trauma, University of Texas Southwestern Medical Center, Dallas, Texas, USA
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32
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Qin Q, Gomez-Salazar M, Cherief M, Pagani CA, Lee S, Hwang C, Tower RJ, Onggo S, Sun Y, Piplani A, Li Z, Ramesh S, Clemens TL, Levi B, James AW. Neuron-to-vessel signaling is a required feature of aberrant stem cell commitment after soft tissue trauma. Bone Res 2022; 10:43. [PMID: 35641477 PMCID: PMC9156761 DOI: 10.1038/s41413-022-00216-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 04/04/2022] [Accepted: 04/29/2022] [Indexed: 11/10/2022] Open
Abstract
The functional interdependence of nerves and blood vessels is a well-established concept during tissue morphogenesis, yet the role of neurovascular coupling in proper and aberrant tissue repair is an emerging field of interest. Here, we sought to define the regulatory relationship of peripheral nerves on vasculature in a severe extremity trauma model in mice, which results in aberrant cell fate and heterotopic ossification (HO). First, a high spatial degree of neurovascular congruency was observed to exist within extremity injury associated heterotopic ossification. Vascular and perivascular cells demonstrate characteristic responses to injury, as assessed by single cell RNA sequencing. This vascular response to injury was blunted in neurectomized mice, including a decrease in endothelial proliferation and type H vessel formation, and a downregulation of key transcriptional networks associated with angiogenesis. Independent mechanisms to chemically or genetically inhibit axonal ingrowth led to similar deficits in HO site angiogenesis, a reduction in type H vessels, and heterotopic bone formation. Finally, a combination of single cell transcriptomic approaches within the dorsal root ganglia identified key neural-derived angiogenic paracrine factors that may mediate neuron-to-vascular signaling in HO. These data provide further understanding of nerve-to-vessel crosstalk in traumatized soft tissues, which may reflect a key determinant of mesenchymal progenitor cell fate after injury.
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Affiliation(s)
- Qizhi Qin
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Mario Gomez-Salazar
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Masnsen Cherief
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Chase A Pagani
- Center for Organogenesis and Trauma, Department of Surgery, University of Texas, Southwestern, TX, USA
| | - Seungyong Lee
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Charles Hwang
- Department of Plastic Surgery, Harvard, Cambridge, MA, 02138, USA
| | - Robert J Tower
- Center for Organogenesis and Trauma, Department of Surgery, University of Texas, Southwestern, TX, USA
- Department of Orthopaedics, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Sharon Onggo
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Yuxiao Sun
- Center for Organogenesis and Trauma, Department of Surgery, University of Texas, Southwestern, TX, USA
| | - Abhinav Piplani
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Zhao Li
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Sowmya Ramesh
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA
| | - Thomas L Clemens
- Department of Orthopaedics, Johns Hopkins University, Baltimore, MD, 21205, USA
- Baltimore Veterans Administration Medical Center, Baltimore, MD, 21201, USA
| | - Benjamin Levi
- Center for Organogenesis and Trauma, Department of Surgery, University of Texas, Southwestern, TX, USA.
| | - Aaron W James
- Department of Pathology, Johns Hopkins University, Baltimore, MD, 21205, USA.
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33
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Lee S, Shin YA, Cho J, Park DH, Kim C. Trabecular Bone Microarchitecture Improvement Is Associated With Skeletal Nerve Increase Following Aerobic Exercise Training in Middle-Aged Mice. Front Physiol 2022; 12:800301. [PMID: 35273515 PMCID: PMC8902445 DOI: 10.3389/fphys.2021.800301] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 12/21/2021] [Indexed: 01/27/2023] Open
Abstract
Advancing age is associated with bone loss and an increased risk of osteoporosis. Exercise training improves bone metabolism and peripheral nerve regeneration, and may play a critical role in osteogenesis and increase in skeletal nerve fiber density. In this study, the potential positive role of aerobic exercise training in bone metabolism and skeletal nerve regeneration was comprehensively evaluated in 14-month-old male C57BL/6 mice. The mice were divided into two groups: no exercise (non-exercise group) and 8-weeks of aerobic exercise training (exercise group), with six mice in each group. Dual-energy X-ray absorptiometry and micro-computed tomography showed that femoral and tibial bone parameters improved after aerobic exercise training. Greater skeletal nerve fiber density was also observed in the distal femoral and proximal tibial periostea, measured and analyzed by immunofluorescence staining and confocal microscopy. Pearson correlation analysis revealed a significant association between skeletal nerve densities and trabecular bone volume/total volume ratios (distal femur; R 2 = 0.82, p < 0.05, proximal tibia; R 2 = 0.59, p = 0.07) in the exercise group; while in the non-exercise group no significant correlation was found (distal femur; R 2 = 0.10, p = 0.54, proximal tibia; R 2 = 0.12, p = 0.51). Analysis of archival microarray database confirmed that aerobic exercise training changed the microRNA profiles in the mice femora. The differentially expressed microRNAs reinforce the role of aerobic exercise training in the osteogenic and neurogenic potential of femora and tibiae. In conclusion, 8-weeks of aerobic exercise training positively regulate bone metabolism, an effect that paralleled a significant increase in skeletal nerve fiber density. These findings suggest that aerobic exercise training may have dual utility, both as a direct stimulator of bone remodeling and a positive regulator of skeletal nerve regeneration.
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Affiliation(s)
- Seungyong Lee
- Department of Physiology, College of Graduate Studies, Midwestern University, Glendale, AZ, United States
| | - Yun-A Shin
- Department of Exercise Prescription and Rehabilitation, College of Sports Science, Dankook University, Cheonan, South Korea
| | - Jinkyung Cho
- Department of Sport Science, Korea Institute of Sport Science, Seoul, South Korea
| | - Dong-Ho Park
- Department of Kinesiology, Inha University, Incheon, South Korea.,Department of Biomedical Science, Program in Biomedical Science and Engineering, Inha University, Incheon, South Korea
| | - Changsun Kim
- Department of Physical Education, Dongduk Women's University, Seoul, South Korea
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34
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Negri S, Samuel TJ, Lee S. The Potential Role of Exercise Training and Mechanical Loading on Bone-Associated Skeletal Nerves. J Bone Metab 2021; 28:267-277. [PMID: 34905674 PMCID: PMC8671028 DOI: 10.11005/jbm.2021.28.4.267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 11/07/2021] [Indexed: 11/11/2022] Open
Abstract
The spatial distribution, innervation, and functional role of the bone-associated skeletal nerves have been previously reported in detail. However, studies examining exercise-induced associations between skeletal nerves and bone metabolism are limited. This review introduces a potential relationship between exercise and the skeletal nerves and discusses how it can contribute to exercise-induced bone anabolism. First, the background and current understanding of nerve fiber types and their functions in the skeleton are provided. Next, the influence of exercise and mechanical loading on the skeletal nervous system is elaborated. Effective synthesis of recent studies could serve as an established baseline for the novel discovery of the effects of exercise on skeletal nerve density and bone anabolic activity in the future. Therefore, this review overviews the existing evidence for the neural control of bone metabolism and the potential positive effects of exercise on the peripheral skeletal nervous system. The influence of exercise training models on the relationships of sensory nerve signals with osteoblast-mediated bone formation and the increased bone volume provides the first insight on the potential importance of exercise training in stimulating positive adaptations in the skeletal nerve-bone interaction and its downstream effect on bone metabolism, thereby highlighting its therapeutic potential in a variety of clinical populations.
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Affiliation(s)
- Stefano Negri
- Department of Orthopedics and Trauma Surgery, Department of Surgery, Dentistry, Pediatrics and Gynecology of the University of Verona, Verona, Italy
| | - T Jake Samuel
- Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Seungyong Lee
- Department of Physiology, College of Graduate Studies, Midwestern University Arizona College of Osteopathic Medicine, Glendale, AZ, USA
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35
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Liu X, Zhu B, Li Y, Liu X, Guo S, Wang C, Li S, Wang D. The Role of Vascular Endothelial Growth Factor in Tendon Healing. Front Physiol 2021; 12:766080. [PMID: 34777022 PMCID: PMC8579915 DOI: 10.3389/fphys.2021.766080] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 09/27/2021] [Indexed: 11/13/2022] Open
Abstract
Angiogenesis is crucial to facilitate tendon healing, such as delivering oxygen and nutrients, removing waste products, and controlling immune responses. Vascular endothelial growth factor (VEGF) is one of the most vital angiogenic factors that regulate blood vessel formation in tendon healing. Recently, biological therapies, including the application of exogenous VEGF, have been attracting increasing attention. However, at present, the effect of the application of exogenous VEGF in tendon healing is controversial, as the role of endogenous VEGF in tendons has also not been fully elucidated. This article will summarize the role of both endogenous and exogenous VEGF in tendon healing and discuss possible reasons for the controversy. The present review shows that tendon repair is facilitated only by proper angiogenesis and VEGF at the early stage, whereas the persistent high VEGF expression and prolonged presence of blood vessels may impair tendon repair at a later stage.
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Affiliation(s)
- Xueli Liu
- Institute of Physical Education, Southwest Medical University, Luzhou, China.,Department of Rehabilitation, Sichuan Vocational College of Health and Rehabilitation, Zigong, China
| | - Bin Zhu
- Institute of Physical Education, Southwest Medical University, Luzhou, China
| | - Yujie Li
- Institute of Physical Education, Southwest Medical University, Luzhou, China
| | - Xinyue Liu
- Institute of Physical Education, Southwest Medical University, Luzhou, China
| | - Sheng Guo
- Spinal Surgery Department, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Chenglong Wang
- Spinal Surgery Department, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Sen Li
- Spinal Surgery Department, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Dingxuan Wang
- Institute of Physical Education, Southwest Medical University, Luzhou, China
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36
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Leucht P, Einhorn TA. What's New in Musculoskeletal Basic Science. J Bone Joint Surg Am 2021; 103:00004623-990000000-00355. [PMID: 34637402 DOI: 10.2106/jbjs.21.01065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Philipp Leucht
- Departments of Orthopaedic Surgery and Cell Biology, NYU Grossman School of Medicine, New York, NY
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