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Chao D, Tran H, Hogan QH, Pan B. Analgesic dorsal root ganglion field stimulation blocks both afferent and efferent spontaneous activity in sensory neurons of rats with monosodium iodoacetate-induced osteoarthritis. Osteoarthritis Cartilage 2022; 30:1468-1481. [PMID: 36030058 PMCID: PMC9588581 DOI: 10.1016/j.joca.2022.08.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 08/03/2022] [Accepted: 08/18/2022] [Indexed: 02/02/2023]
Abstract
OBJECTIVES Chronic joint pain is common in patients with osteoarthritis (OA). Non-steroidal anti-inflammatory drugs and opioids are used to relieve OA pain, but they are often inadequately effective. Dorsal root ganglion field stimulation (GFS) is a clinically used neuromodulation approach, although it is not commonly employed for patients with OA pain. GFS showed analgesic effectiveness in our previous study using the monosodium iodoacetate (MIA) - induced OA rat pain model. This study was to evaluate the mechanism of GFS analgesia in this model. METHODS After osteoarthritis was induced by intra-articular injection of MIA, pain behavioral tests were performed. Effects of GFS on the spontaneous activity (SA) were tested with in vivo single-unit recordings from teased fiber saphenous nerve, sural nerve, and dorsal root. RESULTS Two weeks after intra-articular MIA injection, rats developed pain-like behaviors. In vivo single unit recordings from bundles teased from the saphenous nerve and third lumbar (L3) dorsal root of MIA-OA rats showed a higher incidence of SA than those from saline-injected control rats. GFS at the L3 level blocked L3 dorsal root SA. MIA-OA reduced the punctate mechanical force threshold for inducing AP firing in bundles teased from the L4 dorsal root, which reversed to normal with GFS. After MIA-OA, there was increased retrograde SA (dorsal root reflex), which can be blocked by GFS. CONCLUSIONS These results indicate that GFS produces analgesia in MIA-OA rats at least in part by producing blockade of afferent inputs, possibly also by blocking efferent activity from the dorsal horn.
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Affiliation(s)
- D Chao
- Department of Anesthesiology, Medical College of Wisconsin, 8701 W Watertown Plank Rd, Milwaukee, WI 53226, USA
| | - H Tran
- Department of Anesthesiology, Medical College of Wisconsin, 8701 W Watertown Plank Rd, Milwaukee, WI 53226, USA
| | - Q H Hogan
- Department of Anesthesiology, Medical College of Wisconsin, 8701 W Watertown Plank Rd, Milwaukee, WI 53226, USA
| | - B Pan
- Department of Anesthesiology, Medical College of Wisconsin, 8701 W Watertown Plank Rd, Milwaukee, WI 53226, USA.
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Morgan M, Thai J, Nazemian V, Song R, Ivanusic JJ. Changes to the activity and sensitivity of nerves innervating subchondral bone contribute to pain in late-stage osteoarthritis. Pain 2022; 163:390-402. [PMID: 34108432 PMCID: PMC8756348 DOI: 10.1097/j.pain.0000000000002355] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/20/2021] [Accepted: 05/07/2021] [Indexed: 11/30/2022]
Abstract
ABSTRACT Although it is clear that osteoarthritis (OA) pain involves activation and/or sensitization of nociceptors that innervate knee joint articular tissues, much less is known about the role of the innervation of surrounding bone. In this study, we used monoiodoacetate (MIA)-induced OA in male rats to test the idea that pain in OA is driven by differential contributions from nerves that innervate knee joint articular tissues vs the surrounding bone. The time-course of pain behavior was assayed using the advanced dynamic weight-bearing device, and histopathology was examined using haematoxylin and eosin histology. Extracellular electrophysiological recordings of knee joint and bone afferent neurons were made early (day 3) and late (day 28) in the pathogenesis of MIA-induced OA. We observed significant changes in the function of knee joint afferent neurons, but not bone afferent neurons, at day 3 when there was histological evidence of inflammation in the joint capsule, but no damage to the articular cartilage or subchondral bone. Changes in the function of bone afferent neurons were only observed at day 28, when there was histological evidence of damage to the articular cartilage and subchondral bone. Our findings suggest that pain early in MIA-induced OA involves activation and sensitization of nerves that innervate the joint capsule but not the underlying subchondral bone, and that pain in late MIA-induced OA involves the additional recruitment of nerves that innervate the subchondral bone. Thus, nerves that innervate bone should be considered important targets for development of mechanism-based therapies to treat pain in late OA.
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Affiliation(s)
- Michael Morgan
- Department of Anatomy and Physiology, University of Melbourne, Victoria, Australia
| | - Jenny Thai
- Department of Anatomy and Physiology, University of Melbourne, Victoria, Australia
| | - Vida Nazemian
- Department of Anatomy and Physiology, University of Melbourne, Victoria, Australia
| | - Richard Song
- Department of Anatomy and Physiology, University of Melbourne, Victoria, Australia
| | - Jason J. Ivanusic
- Department of Anatomy and Physiology, University of Melbourne, Victoria, Australia
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Schulze-Tanzil G. Experimental Therapeutics for the Treatment of Osteoarthritis. J Exp Pharmacol 2021; 13:101-125. [PMID: 33603501 PMCID: PMC7887204 DOI: 10.2147/jep.s237479] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 01/07/2021] [Indexed: 12/18/2022] Open
Abstract
Osteoarthritis (OA) therapy remains a large challenge since no causative treatment options are so far available. Despite some main pathways contributing to OA are identified its pathogenesis is still rudimentary understood. A plethora of therapeutically promising agents are currently tested in experimental OA research to find an opportunity to reverse OA-associated joint damage and prevent its progression. Hence, this review aims to summarize novelly emerging experimental approaches for OA. Due to the diversity of strategies shown only main aspects could be summarized here including herbal medicines, nanoparticular compounds, growth factors, hormones, antibody-, cell- and extracellular vesicle (EV)-based approaches, optimized tools for joint viscosupplementation, genetic regulators such as si- or miRNAs and promising combinations. An abundant multitude of compounds obtained from plants, environmental, autologous or synthetic sources have been identified with anabolic, anti-inflammatory, -catabolic and anti-apoptotic properties. Some ubiquitous signaling pathways such as wingless and Integration site-1 (Wnt), Sirtuin, Toll-like receptor (TLR), mammalian target of rapamycin (mTOR), Nuclear Factor (NF)-κB and complement are involved in OA and addressed by them. Hyaluronan (HA) provided benefit in OA since many decades, and novel HA formulations have been developed now with higher HA content and long-term stability achieved by cross-linking suitable to be combined with other agents such as components from herbals or chemokines to attract regenerative cells. pH- or inflammation-sensitive nanoparticular compounds could serve as versatile slow-release systems of active compounds, for example, miRNAs. Some light has been brought into the intimate regulatory network of small RNAs in the pathogenesis of OA which might be a novel avenue for OA therapy in future. Attraction of autologous regenerative cells by chemokines and exosome-based treatment strategies could also innovate OA therapy.
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Affiliation(s)
- Gundula Schulze-Tanzil
- Department of Anatomy and Cell Biology, Paracelsus Medical University, Nuremberg, Bavaria, Germany
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4
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Berke IM, Jain E, Yavuz B, McGrath T, Chen L, Silva MJ, Mbalaviele G, Guilak F, Kaplan DL, Setton LA. NF-κB-mediated effects on behavior and cartilage pathology in a non-invasive loading model of post-traumatic osteoarthritis. Osteoarthritis Cartilage 2021; 29:248-256. [PMID: 33246158 PMCID: PMC8023431 DOI: 10.1016/j.joca.2020.10.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 09/25/2020] [Accepted: 10/13/2020] [Indexed: 02/02/2023]
Abstract
OBJECTIVE This study aimed to examine the temporal activation of NF-κB and its relationship to the development of pain-related sensitivity and behavioral changes in a non-invasive murine knee loading model of PTOA. METHOD Following knee injury NF-κB activity was assessed longitudinally via in vivo imaging in FVB. Cg-Tg (HIV-EGFP,luc)8Tsb/J mice. Measures of pain-related sensitivity and behavior were also assessed longitudinally for 16 weeks. Additionally, we antagonized NF-κB signaling via intra-articular delivery of an IκB kinase two antagonist to understand how local NF-κB inhibition might alter disease progression. RESULTS Following joint injury NF-κB signaling within the knee joint was transiently increased and peaked on day 3 with an estimated 1.35 p/s/cm2/sr (95% CI 0.913.1.792 p/s/cm2/sr) fold increase in signaling when compared to control joints. Furthermore, injury resulted in the long-term development of hindpaw allodynia. Hyperalgesia withdrawal thresholds were reduced at injured knee joints, with the largest reduction occurring 2 days following injury (estimate of between group difference 129.1 g with 95% CI 60.9,197.4 g), static weight bearing on injured limbs was also reduced. Local delivery of an NF-κB inhibitor following joint injury reduced chondrocyte death and influenced the development of pain-related sensitivity but did not reduce long-term cartilage degeneration. CONCLUSION These findings underscore the development of behavioral changes in this non-invasive loading model of PTOA and their relationships to NF-κB activation and pathology. They also highlight the potential chondroprotective effects of NF-κB inhibition shortly following joint injury despite limitations in preventing the long-term development of joint degeneration in this model of PTOA.
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Affiliation(s)
- I M Berke
- Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, MO, 63130, USA
| | - E Jain
- Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, MO, 63130, USA
| | - B Yavuz
- Department of Biomedical Engineering, Tufts University School of Engineering, Medford, MA, 02155, USA
| | - T McGrath
- Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, MO, 63130, USA
| | - L Chen
- Division of Biostatistics, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - M J Silva
- Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, MO, 63130, USA; Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO, 63110, USA; Musculoskeletal Research Center, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - G Mbalaviele
- Division of Bone and Mineral Diseases, Washington University School of Medicine, St. Louis, MO 63110, USA; Musculoskeletal Research Center, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - F Guilak
- Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, MO, 63130, USA; Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO, 63110, USA; Musculoskeletal Research Center, Washington University School of Medicine, St. Louis, MO, 63110, USA; Shriners Hospitals for Children - St. Louis, St. Louis, MO, 63110, USA
| | - D L Kaplan
- Department of Biomedical Engineering, Tufts University School of Engineering, Medford, MA, 02155, USA
| | - L A Setton
- Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, MO, 63130, USA; Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO, 63110, USA; Musculoskeletal Research Center, Washington University School of Medicine, St. Louis, MO, 63110, USA.
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5
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Kummer KK, Mitrić M, Kalpachidou T, Kress M. The Medial Prefrontal Cortex as a Central Hub for Mental Comorbidities Associated with Chronic Pain. Int J Mol Sci 2020; 21:E3440. [PMID: 32414089 PMCID: PMC7279227 DOI: 10.3390/ijms21103440] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 05/06/2020] [Accepted: 05/07/2020] [Indexed: 12/13/2022] Open
Abstract
Chronic pain patients frequently develop and suffer from mental comorbidities such as depressive mood, impaired cognition, and other significant constraints of daily life, which can only insufficiently be overcome by medication. The emotional and cognitive components of pain are processed by the medial prefrontal cortex, which comprises the anterior cingulate cortex, the prelimbic, and the infralimbic cortex. All three subregions are significantly affected by chronic pain: magnetic resonance imaging has revealed gray matter loss in all these areas in chronic pain conditions. While the anterior cingulate cortex appears hyperactive, prelimbic, and infralimbic regions show reduced activity. The medial prefrontal cortex receives ascending, nociceptive input, but also exerts important top-down control of pain sensation: its projections are the main cortical input of the periaqueductal gray, which is part of the descending inhibitory pain control system at the spinal level. A multitude of neurotransmitter systems contributes to the fine-tuning of the local circuitry, of which cholinergic and GABAergic signaling are particularly emerging as relevant components of affective pain processing within the prefrontal cortex. Accordingly, factors such as distraction, positive mood, and anticipation of pain relief such as placebo can ameliorate pain by affecting mPFC function, making this cortical area a promising target region for medical as well as psychosocial interventions for pain therapy.
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Affiliation(s)
| | | | | | - Michaela Kress
- Institute of Physiology, Medical University of Innsbruck, 6020 Innsbruck, Austria; (K.K.K.); (M.M.); (T.K.)
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6
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LaVallee KT, Maus TP, Stock JD, Stalder KJ, Karriker LA, Murthy NS, Kanwar R, Beutler AS, Unger MD. Quantitation of Gait and Stance Alterations Due to Monosodium Iodoacetate-induced Knee Osteoarthritis in Yucatan Swine. Comp Med 2020; 70:248-257. [PMID: 32331555 DOI: 10.30802/aalas-cm-19-000075] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Knee osteoarthritis is one of the most common causes of chronic pain worldwide, and several animal models have been developed to investigate disease mechanisms and treatments to combat associated morbidities. Here we describe a novel method for assessment of locomotor pain behavior in Yucatan swine. We used monosodium iodoacetate (MIA) to induce osteoarthritis in the hindlimb knee, and then conducted live observation, quantitative gait analysis, and quantitative weight-bearing stance analysis. We used these methods to test the hypothesis that locomotor pain behaviors after osteoarthritis induction would be detected by multiparameter quantitation for at least 12 wk in a novel large animal model of osteoarthritis. MIA-induced knee osteoarthritis produced lameness quantifiable by all measurement techniques, with onset at 2 to 4 wk and persistence until the conclusion of the study at 12 wk. Both live observation and gait analysis of kinetic parameters identified mild and moderate osteoarthritis phenotypes corresponding to a binary dose relationship. Quantitative stance analysis demonstrated the greatest sensitivity, discriminating between mild osteoarthritis states induced by 1.2 and 4.0 mg MIA, with stability of expression for as long as 12 wk. The multiparameter quantitation used in our study allowed rejection of the null hypothesis. This large animal model of quantitative locomotor pain resulting from MIA-induced osteoarthritis may support the assessment of new analgesic strategies for human knee osteoarthritis.
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Affiliation(s)
| | - Timothy P Maus
- Department of Radiology (Section of Interventional Pain Management), Mayo Clinic, Rochester, Minnesota
| | - Joseph D Stock
- Department of Animal Science, Iowa State University, Ames, Iowa
| | | | - Locke A Karriker
- College of Veterinary Medicine, Iowa State University, Ames, Iowa
| | - Naveen S Murthy
- Department of Radiology (Section of Interventional Pain Management), Mayo Clinic, Rochester, Minnesota
| | - Rahul Kanwar
- Departments of Anesthesiology and Oncology, Translational Science Track, Mayo Graduate School, Mayo Clinic, Rochester, Minnesota
| | - Andrea S Beutler
- Departments of Anesthesiology and Oncology, Translational Science Track, Mayo Graduate School, Mayo Clinic, Rochester, Minnesota
| | - Mark D Unger
- Departments of Anesthesiology and Oncology, Translational Science Track, Mayo Graduate School, Mayo Clinic, Rochester, Minnesota;,
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7
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Kawarai Y, Orita S, Nakamura J, Miyamoto S, Suzuki M, Inage K, Hagiwara S, Suzuki T, Nakajima T, Akazawa T, Ohtori S. Analgesic Effect of Duloxetine on an Animal Model of Monosodium Iodoacetate-Induced Hip Osteoarthritis. J Orthop Res 2020; 38:422-430. [PMID: 31538672 DOI: 10.1002/jor.24480] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 09/13/2019] [Indexed: 02/04/2023]
Abstract
We investigated the efficacy of duloxetine on hyperalgesia, histopathological and radiographic findings, pain-related sensory innervation of dorsal-root ganglia (DRG), and spinal changes in a rat model of induced hip osteoarthritis (OA). The right hip joints of male Sprague-Dawley rats (n = 6 rats/group) in the Sham group were injected with 25 μl of sterile saline and 25 μl of sterile saline with 2 mg of monosodium iodoacetate (MIA) were injected to the MIA + Vehicle and MIA + Duloxetine groups. We injected duloxetine 20 mg/kg intraperitoneally in the MIA + Duloxetine group 28 days after injection, whereas rats in the MIA + Vehicle group were injected with 0.5 ml of 20% dimethyl sulfoxide. We assessed hyperalgesia, histopathological changes, immunoreactive (-ir) neurons for calcitonin gene-related peptide and activating transcription factor 3 in DRG, and immunoreactive neurons for ionized-calcium-binding adaptor molecule 1 (Iba1) in the dorsal horn of the spinal cord. MIA administration into the hip joint let to mechanical hyperalgesia of the ipsilateral hind paw (p < 0.05). A single injection of duloxetine significantly attenuated it in induced hip OA (p < 0.05) and suppressed the number of Iba1-ir microglia of the ipsilateral dorsal horn (p < 0.05). These results suggest that a single injection of duloxetine suppressed mechanical hyperalgesia and may influence the expression of Iba1 in the microglia of the ipsilateral dorsal horn in the MIA-induced hip OA. This finding implies the inhibitory effects of duloxetine against neuropathic pain, which may lead to a change of microglial activities. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 38:422-430, 2020.
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Affiliation(s)
- Yuya Kawarai
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba, 260-8677, Japan
| | - Sumihisa Orita
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba, 260-8677, Japan
| | - Junichi Nakamura
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba, 260-8677, Japan
| | - Shuichi Miyamoto
- Department of Orthopaedic Surgery, Matsudo City General Hospital, 993-1 Sendabori, Matsudo, Chiba, 270-2296, Japan
| | - Miyako Suzuki
- Department of Bioenvironmental Medicine, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8677, Japan
| | - Kazuhide Inage
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba, 260-8677, Japan
| | - Shigeo Hagiwara
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba, 260-8677, Japan
| | - Takane Suzuki
- Department of Bioenvironmental Medicine, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8677, Japan
| | - Takayuki Nakajima
- Department of Orthopaedic Surgery, Eastern Chiba Medical Center, 3-6-2 Okayamadai, Togane, Chiba, 283-8686, Japan
| | - Tsutomu Akazawa
- Department of Orthopaedic Surgery, St. Marianna University School of Medicine, 2-16-1 Sugao, Miyamae-ku, Kawasaki, Kanagawa, 216-8511, Japan
| | - Seiji Ohtori
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba, 260-8677, Japan
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8
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Gervais JA, Otis C, Lussier B, Guillot M, Martel-Pelletier J, Pelletier JP, Beaudry F, Troncy E. Osteoarthritic pain model influences functional outcomes and spinal neuropeptidomics: A pilot study in female rats. CANADIAN JOURNAL OF VETERINARY RESEARCH = REVUE CANADIENNE DE RECHERCHE VETERINAIRE 2019; 83:133-141. [PMID: 31097875 PMCID: PMC6450163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 08/13/2018] [Indexed: 06/09/2023]
Abstract
Osteoarthritis, the leading cause of chronic joint pain, is studied through different animal models, but none of them is ideal in terms of reliability and translational value. In this pilot study of female rats, 3 surgical models of osteoarthritic pain, i.e., destabilization of the medial meniscus (DMM), cranial cruciate ligament transection (CCLT), and the combination of both surgical models (COMBO) and 1 chemical model [intra-articular injection of monosodium iodoacetate (MIA)] were compared for their impact on functional pain outcomes [static weight-bearing (SWB) and punctate tactile paw withdrawal threshold (PWT)] and spinal neuropeptides [substance P (SP), calcitonin gene-related peptide (CGRP), bradykinin (BK), and somatostatin (SST)]. Six rats were assigned to each model group and a sham group. Both the chemical model (MIA) and surgical COMBO model induced functional alterations in SWB and PWT, with the changes being more persistent in the surgical combination group. Both models also produced an increase in levels of pro-nociceptive and anti-nociceptive neuropeptides at different timepoints. Pain comparison with the MIA model showed the advantage of a surgical model, especially the combination of the DMM and CCLT models, whereas each surgical model alone only led to temporary functional alterations and no change in neuropeptidomics.
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Affiliation(s)
- Julie Anne Gervais
- GREPAQ (Research Group in Animal Pharmacology of Quebec), Département de biomédecine vétérinaire (Gervais, Otis, Guillot, Beaudry, Troncy) and Département de sciences cliniques (Lussier), Faculté de médecine vétérinaire, Université de Montréal, C.P. 5000, Saint-Hyacinthe, Québec; Osteoarthritis Research Unit, Université de Montréal Hospital Research Centre (CRCHUM), Montreal, Quebec (Lussier, Martel-Pelletier, Pelletier, Troncy)
| | - Colombe Otis
- GREPAQ (Research Group in Animal Pharmacology of Quebec), Département de biomédecine vétérinaire (Gervais, Otis, Guillot, Beaudry, Troncy) and Département de sciences cliniques (Lussier), Faculté de médecine vétérinaire, Université de Montréal, C.P. 5000, Saint-Hyacinthe, Québec; Osteoarthritis Research Unit, Université de Montréal Hospital Research Centre (CRCHUM), Montreal, Quebec (Lussier, Martel-Pelletier, Pelletier, Troncy)
| | - Bertrand Lussier
- GREPAQ (Research Group in Animal Pharmacology of Quebec), Département de biomédecine vétérinaire (Gervais, Otis, Guillot, Beaudry, Troncy) and Département de sciences cliniques (Lussier), Faculté de médecine vétérinaire, Université de Montréal, C.P. 5000, Saint-Hyacinthe, Québec; Osteoarthritis Research Unit, Université de Montréal Hospital Research Centre (CRCHUM), Montreal, Quebec (Lussier, Martel-Pelletier, Pelletier, Troncy)
| | - Martin Guillot
- GREPAQ (Research Group in Animal Pharmacology of Quebec), Département de biomédecine vétérinaire (Gervais, Otis, Guillot, Beaudry, Troncy) and Département de sciences cliniques (Lussier), Faculté de médecine vétérinaire, Université de Montréal, C.P. 5000, Saint-Hyacinthe, Québec; Osteoarthritis Research Unit, Université de Montréal Hospital Research Centre (CRCHUM), Montreal, Quebec (Lussier, Martel-Pelletier, Pelletier, Troncy)
| | - Johanne Martel-Pelletier
- GREPAQ (Research Group in Animal Pharmacology of Quebec), Département de biomédecine vétérinaire (Gervais, Otis, Guillot, Beaudry, Troncy) and Département de sciences cliniques (Lussier), Faculté de médecine vétérinaire, Université de Montréal, C.P. 5000, Saint-Hyacinthe, Québec; Osteoarthritis Research Unit, Université de Montréal Hospital Research Centre (CRCHUM), Montreal, Quebec (Lussier, Martel-Pelletier, Pelletier, Troncy)
| | - Jean-Pierre Pelletier
- GREPAQ (Research Group in Animal Pharmacology of Quebec), Département de biomédecine vétérinaire (Gervais, Otis, Guillot, Beaudry, Troncy) and Département de sciences cliniques (Lussier), Faculté de médecine vétérinaire, Université de Montréal, C.P. 5000, Saint-Hyacinthe, Québec; Osteoarthritis Research Unit, Université de Montréal Hospital Research Centre (CRCHUM), Montreal, Quebec (Lussier, Martel-Pelletier, Pelletier, Troncy)
| | - Francis Beaudry
- GREPAQ (Research Group in Animal Pharmacology of Quebec), Département de biomédecine vétérinaire (Gervais, Otis, Guillot, Beaudry, Troncy) and Département de sciences cliniques (Lussier), Faculté de médecine vétérinaire, Université de Montréal, C.P. 5000, Saint-Hyacinthe, Québec; Osteoarthritis Research Unit, Université de Montréal Hospital Research Centre (CRCHUM), Montreal, Quebec (Lussier, Martel-Pelletier, Pelletier, Troncy)
| | - Eric Troncy
- GREPAQ (Research Group in Animal Pharmacology of Quebec), Département de biomédecine vétérinaire (Gervais, Otis, Guillot, Beaudry, Troncy) and Département de sciences cliniques (Lussier), Faculté de médecine vétérinaire, Université de Montréal, C.P. 5000, Saint-Hyacinthe, Québec; Osteoarthritis Research Unit, Université de Montréal Hospital Research Centre (CRCHUM), Montreal, Quebec (Lussier, Martel-Pelletier, Pelletier, Troncy)
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9
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Bapat S, Hubbard D, Munjal A, Hunter M, Fulzele S. Pros and cons of mouse models for studying osteoarthritis. Clin Transl Med 2018; 7:36. [PMID: 30460596 PMCID: PMC6246759 DOI: 10.1186/s40169-018-0215-4] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 10/31/2018] [Indexed: 01/08/2023] Open
Abstract
Osteoarthritis (OA) is one of the most common chronic conditions in the world today. It results in breakdown of cartilage in joints and causes the patient to experience intense pain and even disability. The pathophysiology of OA is not fully understood; therefore, there is currently no cure for OA. Many researchers are investigating the pathophysiology of the disease and attempting to develop methods to alleviate the symptoms or cure the OA entirely using animal models. Most studies on OA use animal models; this is necessary as the disease develops very slowly in humans and presents differently in each patient. This makes it difficult to effectively study the progression of osteoarthritis. Animal models can be spontaneous, in which OA naturally occurs in the animal. Genetic modifications can be used to make the mice more susceptible to developing OA. Osteoarthritis can also be induced via surgery, chemical injections, or non-invasive trauma. This review aims to describe animal models of inducing osteoarthritis with a focus on the models used on mice and their advantages and disadvantages that each model presents.
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Affiliation(s)
- Santul Bapat
- Department of Orthopedics Surgery, Augusta University, Augusta, GA, 30904, USA
| | - Daniel Hubbard
- Department of Orthopedics Surgery, Augusta University, Augusta, GA, 30904, USA
| | - Akul Munjal
- Department of Orthopedics Surgery, Augusta University, Augusta, GA, 30904, USA
| | - Monte Hunter
- Department of Orthopedics Surgery, Augusta University, Augusta, GA, 30904, USA
| | - Sadanand Fulzele
- Department of Orthopedics Surgery, Augusta University, Augusta, GA, 30904, USA. .,Institute of Regenerative and Reparative Medicine, Augusta University, Augusta, GA, USA.
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Kawarai Y, Orita S, Nakamura J, Miyamoto S, Suzuki M, Inage K, Hagiwara S, Suzuki T, Nakajima T, Akazawa T, Ohtori S. Changes in proinflammatory cytokines, neuropeptides, and microglia in an animal model of monosodium iodoacetate-induced hip osteoarthritis. J Orthop Res 2018; 36:2978-2986. [PMID: 29888808 DOI: 10.1002/jor.24065] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 06/03/2018] [Indexed: 02/04/2023]
Abstract
The aim of this study was to investigate the local production of proinflammatory cytokines, pain-related sensory innervation of dorsal-root ganglia (DRG), and spinal changes in a rat model of induced hip osteoarthritis (OA). Seventy-five Sprague-Dawley rats were used, including 25 controls and 50 injected into the right hip joints (sham group, injected with 25 µl of sterile saline: N = 25; and monosodium iodoacetate (MIA) group, injected with 25 µl of sterile saline with 2 mg of MIA: N = 25). We measured the local production of TNF-α, immunoreactive (-ir) neurons for calcitonin gene-related peptide (CGRP), and growth associated protein-43 (GAP-43) in DRG, and immunoreactive neurons for ionized-calcium-binding adaptor molecule-1 (Iba-1) in the dorsal horn of spinal cord, on post-induction days 7, 14, 28, 42, and 56 (N = 5 rats/group/time point). For post-induction days 7-42, the MIA group presented significantly elevated concentrations of TNF-α than the other groups (p < 0.01), and a higher expression of CGRP-ir in FG-labeled DRG neurons than the sham group (p < 0.01). MIA rats also presented significantly more FG-labeled GAP-43-ir DRG neurons than the sham group on post-induction days 28, 42, and 56 (p < 0.05), and a significantly higher number of Iba-1-ir microglia in the ipsilateral dorsal horn than the other groups, on post-induction days 28, 42, and 56. The results suggest that in rat models, pain-related pathologies due to MIA-induced hip OA, originate from inflammation caused by cytokines, which leads to progressive, chronic neuronal damage that may cause neuropathic pain. © 2018 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:2978-2986, 2018.
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Affiliation(s)
- Yuya Kawarai
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
| | - Sumihisa Orita
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
| | - Junichi Nakamura
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
| | - Shuichi Miyamoto
- Department of Orthopaedic Surgery, Kimitsu Chuo Hospital 1010 Sakurai, Kisarazu City, Chiba 292-8535, Japan
| | - Miyako Suzuki
- Department of Bioenvironmental Medicine, Graduate School of Medicine, Chiba University 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
| | - Kazuhide Inage
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
| | - Shigeo Hagiwara
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
| | - Takane Suzuki
- Department of Bioenvironmental Medicine, Graduate School of Medicine, Chiba University 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
| | - Takayuki Nakajima
- Department of Orthopaedic Surgery, Eastern Chiba Medical Center, 3-6-2 Okayamadai, Togane, Chiba 283-8686, Japan
| | - Tsutomu Akazawa
- Department of Orthopaedic Surgery, St. Marianna University School of Medicine, 2-16-1 Sugao, Miyamae-ku, Kawasaki, Kanagawa 216-8511, Japan
| | - Seiji Ohtori
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
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McGaraughty S, Chu KL, Xu J. Characterization and pharmacological modulation of noci-responsive deep dorsal horn neurons across diverse rat models of pathological pain. J Neurophysiol 2018; 120:1893-1905. [DOI: 10.1152/jn.00325.2018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
This overview compares the activity of wide dynamic range (WDR) and nociceptive specific (NS) neurons located in the deep dorsal horn across different rat models of pathological pain and following modulation by diverse pharmacology. The data were collected by our group under the same experimental conditions over numerous studies to facilitate comparison. Spontaneous firing of WDR neurons was significantly elevated (>3.7 Hz) in models of neuropathic, inflammation, and osteoarthritic pain compared with naive animals (1.9 Hz) but was very low (<0.5 Hz) and remained unchanged in NS neurons. WDR responses to low-intensity mechanical stimulation were elevated in neuropathic and inflammation models. WDR responses to high-intensity stimuli were enhanced in inflammatory (heat) and osteoarthritis (mechanical) models. NS responses to high-intensity stimulation did not change relative to control in any model examined. Several therapeutic agents reduced both evoked and spontaneous firing of WDR neurons (e.g., TRPV1, TRPV3, Nav1.7, Nav1.8, P2X7, P2X3, H3), other targets affected neither evoked nor spontaneous firing of WDR neurons (e.g., H4, TRPM8, KCNQ2/3), and some only modulated evoked (e.g, ASIC1a, Cav3.2) whereas others decreased evoked but affected spontaneous activity only in specific models (e.g., TRPA1, CB2). Spontaneous firing of WDR neurons was not altered by any peripherally restricted compound or by direct administration of compounds to peripheral sites, although the same compounds decreased evoked activity. Compounds acting centrally were effective against this endpoint. The diversity of incoming/modulating inputs to the deep dorsal horn positions this group of neurons as an important intersection within the pain system to validate novel therapeutics. NEW & NOTEWORTHY Data from multiple individual experiments were combined to show firing properties of wide dynamic range and nociceptive specific spinal dorsal horn neurons across varied pathological pain models. This high-powered analysis describes the sensitization following different forms of injury. Effects of diverse pharmacology on these neurons is also summarized from published and unpublished data all recorded under the same conditions to facilitate comparison. This comprehensive overview describes the function and utility of these neurons.
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Affiliation(s)
| | | | - Jun Xu
- AbbVie Discovery, North Chicago, Illinois
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PECULIARITIES OF THE SPATIAL ORGANIZATION OF THE ARTIBLE REPLACEMENT OF THE KNEE JOINT OF THE RAT DURING THE INTRODUCTION OF CRYOPRESSED PLACENT. WORLD OF MEDICINE AND BIOLOGY 2018. [DOI: 10.26724/2079-8334-2018-4-66-188-190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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