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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: 19] [Impact Index Per Article: 19.0] [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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Larkin MB, Karas PJ, McGinnis JP, McCutcheon IE, Viswanathan A. Stereotactic Radiosurgery Hypophysectomy for Palliative Treatment of Refractory Cancer Pain: A Historical Review and Update. Front Oncol 2020; 10:572557. [PMID: 33392075 PMCID: PMC7773820 DOI: 10.3389/fonc.2020.572557] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 10/21/2020] [Indexed: 11/21/2022] Open
Abstract
Medically refractory pain in those with advanced cancer significantly reduces one's quality of life. Therefore, palliative interventions to mitigate cancer pain and reduce opioid requirements are necessary to reduce patient suffering and opioid-induced side effects. Hypophysectomy, a largely forgotten pain procedure with several technical variations, has been repeatedly studied in small series with encouraging results, though historically has been fraught with complications. As a result, the minimally invasive and more tolerable stereotactic radiosurgery (SRS) hypophysectomy has resurfaced as a possible treatment for cancer-related pain. While the mechanism of pain relief is not entirely understood, the hypothalamohypophyseal axis appears to play an essential role in pain perception and transmission and involves C fiber signal processing and downstream modulation of the brainstem and spinal cord via the hypothalamus. This review highlights the role of hypophysectomy in alleviating advanced cancer pain, both in hormonal and nonhormonal malignancy and the current mechanistic understanding of pain relief for the three primary hypophysectomy modalities used historically: surgical and chemical adenolysis, as well as the more recent, SRS hypophysectomy. Given the lack of high-quality evidence for stereotactic radiosurgery hypophysectomy, there is a need for further rigorous and prospective clinical studies despite its ideal and noninvasive approach.
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Affiliation(s)
- M. Benjamin Larkin
- Department of Neurosurgery, Baylor College of Medicine, Houston, TX, United States
| | - Patrick J. Karas
- Department of Neurosurgery, Baylor College of Medicine, Houston, TX, United States
| | - John P. McGinnis
- Department of Neurosurgery, Baylor College of Medicine, Houston, TX, United States
| | - Ian E. McCutcheon
- Department of Neurosurgery, University of Texas, MD Anderson, Houston, TX, United States
| | - Ashwin Viswanathan
- Department of Neurosurgery, Baylor College of Medicine, Houston, TX, United States
- Department of Neurosurgery, University of Texas, MD Anderson, Houston, TX, United States
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Oostinga D, Steverink JG, van Wijck AJM, Verlaan JJ. An understanding of bone pain: A narrative review. Bone 2020; 134:115272. [PMID: 32062002 DOI: 10.1016/j.bone.2020.115272] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 02/10/2020] [Accepted: 02/12/2020] [Indexed: 12/20/2022]
Abstract
Skeletal pathologies are often accompanied by bone pain, which has negative effects on the quality of life and functional status of patients. Bone pain can be caused by a wide variety of injuries and diseases including (poorly healed) fractures, bone cancer, osteoarthritis and also iatrogenic by skeletal interventions. Orthopedic interventions are considered to be the most painful surgical procedures overall. Two major groups of medication currently used to attenuate bone pain are NSAIDs and opioids. However, these systemic drugs frequently introduce adverse events, emphasizing the need for alternative therapies that are directed at the pathophysiological mechanisms underlying bone pain. The periosteum, cortical bone and bone marrow are mainly innervated by sensory A-delta fibers and C-fibers. These fibers are mostly present in the periosteum rendering this structure most sensitive to nociceptive stimuli. A-delta fibers and C-fibers can be activated upon mechanical distortion, acidic environment and increased intramedullary pressure. After activation, these fibers can be sensitized by inflammatory mediators, phosphorylation of acid-sensing ion channels and cytokine receptors, or by upregulation of transcription factors. This can result in a change of pain perception such that normally non-noxious stimuli are now perceived as noxious. Pathological conditions in the bone can produce neurotrophic factors that bind to receptors on A-delta fibers and C-fibers. These fibers then start to sprout and increase the innervation density of the bone, making it more sensitive to nociceptive stimuli. In addition, repetitive painful stimuli cause neurochemical and electrophysiological alterations in afferent sensory neurons in the spinal cord, which leads to central sensitization, and can contribute to chronic bone pain. Understanding the pathophysiological mechanisms underlying bone pain in different skeletal injuries and diseases is important for the development of alternative, targeted pain treatments. These pain mechanism-based alternatives have the potential to improve the quality of life of patients suffering from bone pain without introducing undesirable systemic effects.
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Affiliation(s)
- Douwe Oostinga
- Department of Orthopedics, University Medical Centre Utrecht, Heidelberglaan 100, 3508 GA Utrecht, the Netherlands.
| | - Jasper G Steverink
- Department of Orthopedics, University Medical Centre Utrecht, Heidelberglaan 100, 3508 GA Utrecht, the Netherlands.
| | - Albert J M van Wijck
- Department of Anesthesiology, University Medical Centre Utrecht, Heidelberglaan 100, 3508 GA Utrecht, the Netherlands.
| | - Jorrit-Jan Verlaan
- Department of Orthopedics, University Medical Centre Utrecht, Heidelberglaan 100, 3508 GA Utrecht, the Netherlands.
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Chung H, Chung SH. Correlation between anterior thigh pain and morphometric mismatch of femoral stem. Yeungnam Univ J Med 2019; 37:40-46. [PMID: 31661754 PMCID: PMC6986963 DOI: 10.12701/yujm.2019.00325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Accepted: 09/05/2019] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND Postoperative pain occurring after hip arthroplasty has become common since the expanded use of cementless femoral stems. The characteristic pain develop in the anterolateral thigh area. This study aimed to predict anterior thigh pain based on the measurements of postoperative anteroposterior (AP) and lateral (Lat) radiographs of the hip joint. METHODS The present study included 26 patients (29 hips) who underwent total hip replacement or bipolar hemiarthroplasty between March 2010 and May 2016, whose complete clinical information was available. AP and Lat radiographs of the affected hip were taken on the day of surgery and 1 and 6 months postoperatively. Patients with improper radiographs were excluded. The distance from the femoral stem to the nearest cortical bone in the distal region of the stem was measured. The patient group with a visual analog scale (VAS) score of ≥6 points was designated as patients with anterior thigh pain. RESULTS Sex, age, weight, height, body mass index, and bone mineral density in the lumbar spine and femur did not have a significant effect on postoperative VAS scores (p>0.05). Presence of contact between the femoral stem and cortical bone was associated with postoperative anterior thigh pain. CONCLUSION Hip AP and Lat radiographs are usually taken to confirm fixation and alignment of the femoral stem after hip arthroplasty. The measurement method introduced in this study can be utilized for predicting anterior thigh pain after hip arthroplasty.
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Affiliation(s)
- Haksun Chung
- Department of Orthopaedic Surgery, Kosin University College of Medicine, Busan, Korea
| | - So Hak Chung
- Department of Orthopaedic Surgery, Kosin University College of Medicine, Busan, Korea
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Brazill JM, Beeve AT, Craft CS, Ivanusic JJ, Scheller EL. Nerves in Bone: Evolving Concepts in Pain and Anabolism. J Bone Miner Res 2019; 34:1393-1406. [PMID: 31247122 PMCID: PMC6697229 DOI: 10.1002/jbmr.3822] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 05/28/2019] [Accepted: 06/18/2019] [Indexed: 12/21/2022]
Abstract
The innervation of bone has been described for centuries, and our understanding of its function has rapidly evolved over the past several decades to encompass roles of subtype-specific neurons in skeletal homeostasis. Current research has been largely focused on the distribution and function of specific neuronal populations within bone, as well as their cellular and molecular relationships with target cells in the bone microenvironment. This review provides a historical perspective of the field of skeletal neurobiology that highlights the diverse yet interconnected nature of nerves and skeletal health, particularly in the context of bone anabolism and pain. We explore what is known regarding the neuronal subtypes found in the skeleton, their distribution within bone compartments, and their central projection pathways. This neuroskeletal map then serves as a foundation for a comprehensive discussion of the neural control of skeletal development, homeostasis, repair, and bone pain. Active synthesis of this research recently led to the first biotherapeutic success story in the field. Specifically, the ongoing clinical trials of anti-nerve growth factor therapeutics have been optimized to titrated doses that effectively alleviate pain while maintaining bone and joint health. Continued collaborations between neuroscientists and bone biologists are needed to build on this progress, leading to a more complete understanding of neural regulation of the skeleton and development of novel therapeutics. © 2019 The Authors. Journal of Bone and Mineral Research published by Wiley Periodicals, Inc.
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Affiliation(s)
- Jennifer M Brazill
- Department of Internal Medicine, Division of Bone and Mineral Diseases, Washington University, St. Louis, MO, USA
| | - Alec T Beeve
- Department of Internal Medicine, Division of Bone and Mineral Diseases, Washington University, St. Louis, MO, USA.,Department of Biomedical Engineering, Washington University, St. Louis, MO, USA
| | - Clarissa S Craft
- Department of Internal Medicine, Division of Bone and Mineral Diseases, Washington University, St. Louis, MO, USA.,Department of Cell Biology and Physiology, Washington University, St. Louis, MO, USA
| | - Jason J Ivanusic
- Department of Anatomy and Neuroscience, University of Melbourne, Melbourne, Victoria, Australia
| | - Erica L Scheller
- Department of Internal Medicine, Division of Bone and Mineral Diseases, Washington University, St. Louis, MO, USA.,Department of Cell Biology and Physiology, Washington University, St. Louis, MO, USA
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Ivanusic JJ. Molecular Mechanisms That Contribute to Bone Marrow Pain. Front Neurol 2017; 8:458. [PMID: 28955292 PMCID: PMC5601959 DOI: 10.3389/fneur.2017.00458] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Accepted: 08/18/2017] [Indexed: 12/11/2022] Open
Abstract
Pain associated a bony pathology puts a significant burden on individuals, society, and the health-care systems worldwide. Pathology that involves the bone marrow activates sensory nerve terminal endings of peripheral bone marrow nociceptors, and is the likely trigger for pain. This review presents our current understanding of how bone marrow nociceptors are influenced by noxious stimuli presented in pathology associated with bone marrow. A number of ion channels and receptors are emerging as important modulators of the activity of peripheral bone marrow nociceptors. Nerve growth factor (NGF) sequestration has been trialed for the management of inflammatory bone pain (osteoarthritis), and there is significant evidence for interaction of NGF with bone marrow nociceptors. Activation of transient receptor potential cation channel subfamily V member 1 sensitizes bone marrow nociceptors and could contribute to increased sensitivity of patients to noxious stimuli in various bony pathologies. Acid-sensing ion channels sense changes to tissue pH in the bone marrow microenvironment and could be targeted to treat pathology that involves acidosis of the bone marrow. Piezo2 is a mechanically gated ion channel that has recently been reported to be expressed by most myelinated bone marrow nociceptors and might be a target for treatments directed against mechanically induced bone pain. These ion channels and receptors could be useful targets for the development of peripherally acting drugs to treat pain of bony origin.
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Affiliation(s)
- Jason J Ivanusic
- Department of Anatomy and Neuroscience, University of Melbourne, Melbourne, VIC, Australia
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Nencini S, Ivanusic JJ. The Physiology of Bone Pain. How Much Do We Really Know? Front Physiol 2016; 7:157. [PMID: 27199772 PMCID: PMC4844598 DOI: 10.3389/fphys.2016.00157] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Accepted: 04/11/2016] [Indexed: 01/23/2023] Open
Abstract
Pain is associated with most bony pathologies. Clinical and experimental observations suggest that bone pain can be derived from noxious stimulation of the periosteum or bone marrow. Sensory neurons are known to innervate the periosteum and marrow cavity, and most of these have a morphology and molecular phenotype consistent with a role in nociception. However, little is known about the physiology of these neurons, and therefore information about mechanisms that generate and maintain bone pain is lacking. The periosteum has received greater attention relative to the bone marrow, reflecting the easier access of the periosteum for experimental assessment. With the electrophysiological preparations used, investigators have been able to record from single periosteal units in isolation, and there is a lot of information available about how they respond to different stimuli, including those that are noxious. In contrast, preparations used to study sensory neurons that innervate the bone marrow have been limited to recording multi-unit activity in whole nerves, and whilst they clearly report responses to noxious stimulation, it is not possible to define responses for single sensory neurons that innervate the bone marrow. There is only limited evidence that peripheral sensory neurons that innervate bone can be sensitized or that they can be activated by multiple stimulus types, and at present this only exists in part for periosteal units. In the central nervous system, it is clear that spinal dorsal horn neurons can be activated by noxious stimuli applied to bone. Some can be sensitized under pathological conditions and may contribute in part to secondary or referred pain associated with bony pathology. Activity related to stimulation of sensory nerves that innervate bone has also been reported in neurons of the spinoparabrachial pathway and the somatosensory cortices, both known for roles in coding information about pain. Whilst these provide some clues as to the way information about bone pain is centrally coded, they need to be expanded to further our understanding of other central territories involved. There is a lot more to learn about the physiology of peripheral sensory neurons that innervate bone and their central projections.
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Affiliation(s)
- Sara Nencini
- Department of Anatomy and Neuroscience, University of Melbourne Melbourne, VIC, Australia
| | - Jason J Ivanusic
- Department of Anatomy and Neuroscience, University of Melbourne Melbourne, VIC, Australia
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Lambert GA, Hoskin KL, Michalicek J, Panahi SE, Truong L, Zagami AS. Stimulation of dural vessels excites the SI somatosensory cortex of the cat via a relay in the thalamus. Cephalalgia 2013; 34:243-57. [DOI: 10.1177/0333102413508239] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Aim We carried out experiments in cats to determine the thalamo-cortical projection sites of trigeminovascular sensory neurons. Methods 1) We stimulated the middle meningeal artery (MMA) with C-fibre intensity electrical shocks and made field potential recordings over the somatosensory cortical surface. 2) We then recorded neurons in the ventroposteromedial (VPM) nucleus of the thalamus in search of neurons which could be activated from the skin, MMA and superior sagittal sinus. 3) Finally, we attempted to antidromically activate the neurons found in stage 2 by stimulating the responsive cortical areas revealed in stage 1. Results VPM neurons received trigeminovascular input, input from the V1 facial skin and could also be activated by electrical stimulation of the somatosensory cortex. VPM neurons activated from the cortex responded with short and invariant latencies (6.7 ± 7.7 msec mean and SD). They could follow high rates of stimulation and sometimes showed collision with orthodromic action potentials. Conclusions We conclude that somatosensory (SI) cortical stimulation excites trigeminovascular VPM neurons antidromically. In consequence, these VPM neurons project to the somatosensory cortex. These findings may help to explain the ability of migraineurs with headache in the trigeminal distribution to localise their pain to a particular region in this distribution.
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Affiliation(s)
| | - Karen L Hoskin
- Prince of Wales Clinical School, Faculty of Medicine, University of New South Wales, Australia
| | - Jan Michalicek
- Prince of Wales Clinical School, Faculty of Medicine, University of New South Wales, Australia
| | - Seyed E Panahi
- Prince of Wales Clinical School, Faculty of Medicine, University of New South Wales, Australia
| | - Linda Truong
- Prince of Wales Clinical School, Faculty of Medicine, University of New South Wales, Australia
| | - Alessandro S Zagami
- Prince of Wales Clinical School, Faculty of Medicine, University of New South Wales, Australia
- Institute of Neurological Sciences, Prince of Wales Hospital, Australia
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Motofei IG. A dual physiological character for cerebral mechanisms of sexuality and cognition: common somatic peripheral afferents. BJU Int 2011; 108:1634-9. [DOI: 10.1111/j.1464-410x.2011.10116.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Ivanusic JJ. Size, neurochemistry, and segmental distribution of sensory neurons innervating the rat tibia. J Comp Neurol 2009; 517:276-83. [DOI: 10.1002/cne.22160] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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