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Otis C, Bouet E, Keita-Alassane S, Frezier M, Delsart A, Guillot M, Bédard A, Pelletier JP, Martel-Pelletier J, Lussier B, Beaudry F, Troncy E. Face and Predictive Validity of MI-RAT ( Montreal Induction of Rat Arthritis Testing), a Surgical Model of Osteoarthritis Pain in Rodents Combined with Calibrated Exercise. Int J Mol Sci 2023; 24:16341. [PMID: 38003530 PMCID: PMC10671647 DOI: 10.3390/ijms242216341] [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: 09/11/2023] [Revised: 11/02/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023] Open
Abstract
Validating animal pain models is crucial to enhancing translational research and response to pharmacological treatment. This study investigated the effects of a calibrated slight exercise protocol alone or combined with multimodal analgesia on sensory sensitivity, neuroproteomics, and joint structural components in the MI-RAT model. Joint instability was induced surgically on day (D) 0 in female rats (N = 48) distributed into sedentary-placebo, exercise-placebo, sedentary-positive analgesic (PA), and exercise-PA groups. Daily analgesic treatment (D3-D56) included pregabalin and carprofen. Quantitative sensory testing was achieved temporally (D-1, D7, D21, D56), while cartilage alteration (modified Mankin's score (mMs)) and targeted spinal pain neuropeptide were quantified upon sacrifice. Compared with the sedentary-placebo (presenting allodynia from D7), the exercise-placebo group showed an increase in sensitivity threshold (p < 0.04 on D7, D21, and D56). PA treatment was efficient on D56 (p = 0.001) and presented a synergic anti-allodynic effect with exercise from D21 to D56 (p < 0.0001). Histological assessment demonstrated a detrimental influence of exercise (mMs = 33.3%) compared with sedentary counterparts (mMs = 12.0%; p < 0.001), with more mature transformations. Spinal neuropeptide concentration was correlated with sensory sensitization and modulation sites (inflammation and endogenous inhibitory control) of the forced mobility effect. The surgical MI-RAT OA model coupled with calibrated slight exercise demonstrated face and predictive validity, an assurance of higher clinical translatability.
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Affiliation(s)
- Colombe Otis
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
| | - Emilie Bouet
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
| | - Sokhna Keita-Alassane
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
| | - Marilyn Frezier
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
| | - Aliénor Delsart
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
| | - Martin Guillot
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
| | - Agathe Bédard
- Charles River Laboratories Montreal ULC, Senneville, QC H9X 1C1, Canada;
| | - Jean-Pierre Pelletier
- Osteoarthritis Research Unit, Université de Montréal Hospital Research Center (CRCHUM), Montréal, QC H2X 0A9, Canada; (J.-P.P.); (J.M.-P.)
| | - Johanne Martel-Pelletier
- Osteoarthritis Research Unit, Université de Montréal Hospital Research Center (CRCHUM), Montréal, QC H2X 0A9, Canada; (J.-P.P.); (J.M.-P.)
| | - Bertrand Lussier
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
- Osteoarthritis Research Unit, Université de Montréal Hospital Research Center (CRCHUM), Montréal, QC H2X 0A9, Canada; (J.-P.P.); (J.M.-P.)
| | - Francis Beaudry
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
- Osteoarthritis Research Unit, Université de Montréal Hospital Research Center (CRCHUM), Montréal, QC H2X 0A9, Canada; (J.-P.P.); (J.M.-P.)
- Centre de Recherche sur le Cerveau et L’Apprentissage (CIRCA), Université de Montréal, Montréal, QC H3T 1P1, Canada
| | - Eric Troncy
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
- Osteoarthritis Research Unit, Université de Montréal Hospital Research Center (CRCHUM), Montréal, QC H2X 0A9, Canada; (J.-P.P.); (J.M.-P.)
- Centre de Recherche sur le Cerveau et L’Apprentissage (CIRCA), Université de Montréal, Montréal, QC H3T 1P1, Canada
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2
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Mima Z, Wang K, Liang M, Wang Y, Liu C, Wei X, Luo F, Nie P, Chen X, Xu Y, Ma Q. Blockade of JAK2 retards cartilage degeneration and IL-6-induced pain amplification in osteoarthritis. Int Immunopharmacol 2022; 113:109340. [DOI: 10.1016/j.intimp.2022.109340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 09/27/2022] [Accepted: 10/09/2022] [Indexed: 11/05/2022]
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3
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Keita-Alassane S, Otis C, Bouet E, Guillot M, Frezier M, Delsart A, Moreau M, Bédard A, Gaumond I, Pelletier JP, Martel-Pelletier J, Beaudry F, Lussier B, Lecomte R, Marchand S, Troncy E. Estrogenic impregnation alters pain expression: analysis through functional neuropeptidomics in a surgical rat model of osteoarthritis. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2022; 395:703-715. [PMID: 35318491 DOI: 10.1007/s00210-022-02231-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 03/11/2022] [Indexed: 12/20/2022]
Abstract
PURPOSE Several observational studies suggest that estrogens could bias pain perception. To evaluate the influence of estrogenic impregnation on pain expression, a prospective, randomized, controlled, blinded study was conducted in a Sprague-Dawley rat model of surgically induced osteoarthritis (OA). METHODS Female rats were ovariectomized and pre-emptive 17β-estradiol (0.025 mg, 90-day release time) or placebo pellets were installed subcutaneously during the OVX procedures. Thirty-five days after, OA was surgically induced on both 17β-estradiol (OA-E) and placebo (OA-P) groups. Mechanical hypersensitivity was assessed by static weight-bearing (SWB) and paw withdrawal threshold (PWT) tests. Mass spectrometry coupled with high-performance liquid chromatography (HPLC-MS) was performed to quantify the spinal pronociceptive neuropeptides substance P (SP), calcitonin gene-related peptide (CGRP), bradykinin (BK), somatostatin (SST), and dynorphin-A (Dyn-A). RESULTS Compared to control, ovariectomized rats presented higher SP (P = 0.009) and CGRP (P = 0.017) concentrations. OA induction increased the spinal level of SP (+ 33%, P < 0.020) and decreased the release of BK (- 20%, (P < 0.037)). The OA-E rats at functional assessment put more % body weight on the affected hind limb than OA-P rats at D7 (P = 0.027) and D56 (P = 0.033), and showed higher PWT at D56 (P = 0.009), suggesting an analgesic and anti-allodynic effect of 17β-estradiol. Interestingly, the 17β-estradiol treatment counteracted the increase of spinal concentration of Dyn-A (P < 0.016) and CGRP (P < 0.018). CONCLUSION These results clearly indicate that 17β-estradiol interfers with the development of central sensitization and confirm that gender dimorphism should be considered when looking at pain evaluation.
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Affiliation(s)
- Sokhna Keita-Alassane
- Research Group in Animal Pharmacology of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint Hyacinthe, QC, Canada
| | - Colombe Otis
- Research Group in Animal Pharmacology of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint Hyacinthe, QC, Canada
- Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, QC, Canada
| | - Emilie Bouet
- Research Group in Animal Pharmacology of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint Hyacinthe, QC, Canada
| | - Martin Guillot
- Research Group in Animal Pharmacology of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint Hyacinthe, QC, Canada
- Charles River Laboratories Montreal ULC, Senneville, QC, Canada
| | - Marilyn Frezier
- Research Group in Animal Pharmacology of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint Hyacinthe, QC, Canada
| | - Aliénor Delsart
- Research Group in Animal Pharmacology of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint Hyacinthe, QC, Canada
| | - Maxim Moreau
- Research Group in Animal Pharmacology of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint Hyacinthe, QC, Canada
- Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, QC, Canada
| | - Agathe Bédard
- Charles River Laboratories Montreal ULC, Senneville, QC, Canada
| | - Isabelle Gaumond
- Département de Chirurgie, Département d'anesthésie, Faculté de Médecine Et Des Sciences de La Santé, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Jean-Pierre Pelletier
- Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, QC, Canada
| | - Johanne Martel-Pelletier
- Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, QC, Canada
| | - Francis Beaudry
- Research Group in Animal Pharmacology of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint Hyacinthe, QC, Canada
- Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, QC, Canada
| | - Bertrand Lussier
- Research Group in Animal Pharmacology of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint Hyacinthe, QC, Canada
- Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, QC, Canada
| | - Roger Lecomte
- Sherbrooke Molecular Imaging Center, Department of Nuclear Medicine and Radiobiology, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, QC, Canada
- Centre de Recherche du Centre Hospitalier Universitaire de Sherbrooke (CRCHUS), Sherbrooke, QC, Canada
| | - Serge Marchand
- Département de Chirurgie, Département d'anesthésie, Faculté de Médecine Et Des Sciences de La Santé, Université de Sherbrooke, Sherbrooke, QC, Canada
- Centre de Recherche du Centre Hospitalier Universitaire de Sherbrooke (CRCHUS), Sherbrooke, QC, Canada
| | - Eric Troncy
- Research Group in Animal Pharmacology of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint Hyacinthe, QC, Canada.
- Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, QC, Canada.
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4
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Subramanian G, Duclos B, Johnson PD, Williams T, Ross JT, Bowen SJ, Zhu Y, White JA, Hedke C, Huczek D, Collard W, Javens C, Vairagoundar R, Respondek T, Zachary T, Maddux T, Cox MR, Kamerling S, Gonzales AJ. In Pursuit of an Allosteric Human Tropomyosin Kinase A ( hTrkA) Inhibitor for Chronic Pain. ACS Med Chem Lett 2021; 12:1847-1852. [PMID: 34795875 DOI: 10.1021/acsmedchemlett.1c00483] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 10/21/2021] [Indexed: 12/13/2022] Open
Abstract
Human β-nerve growth factor (β-NGF) and its associated receptor, human tropomyosin receptor kinase A (hTrkA), have been demonstrated to be key factors in the perception of pain. However, efficacious small molecule therapies targeting the intracellularly located hTrkA kinase have not been explored thoroughly for pain management. Herein, we report the pharmacological properties of a selective hTrkA allosteric inhibitor, 1. 1 was shown to be active against the full length hTrkA, showing preferential binding for the inactive kinase, and was confirmed through the X-ray of hTrkA···1 bound complex. 1 was also found to inhibit β-NGF induced neurite outgrowth in rat PC12 cells. Daily oral administration of 1 improved the joint compression threshold of rats injected intra-articularly with monoiodoacetate over a 14-day period. The efficacy of 1 in a relevant chronic pain model of osteoarthritis coupled with in vitro confirmation of target mediation makes allosteric hTrkA inhibitors potential candidates for modulating pain.
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Affiliation(s)
- Govindan Subramanian
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Brian Duclos
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Paul D. Johnson
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Tracey Williams
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Jason T. Ross
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Scott J. Bowen
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Yaqi Zhu
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Julie A. White
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Carolyn Hedke
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Dennis Huczek
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Wendy Collard
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Christopher Javens
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Rajendran Vairagoundar
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Tomasz Respondek
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Theresa Zachary
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Todd Maddux
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Mark R. Cox
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Steven Kamerling
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
| | - Andrea J. Gonzales
- Veterinary Medicine Research & Development, Zoetis, 333 Portage Street, Building 300, Kalamazoo, Michigan 49007, United States
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5
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Ter Heegde F, Luiz AP, Santana-Varela S, Magnúsdóttir R, Hopkinson M, Chang Y, Poulet B, Fowkes RC, Wood JN, Chenu C. Osteoarthritis-related nociceptive behaviour following mechanical joint loading correlates with cartilage damage. Osteoarthritis Cartilage 2020; 28:383-395. [PMID: 31911151 DOI: 10.1016/j.joca.2019.12.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 12/18/2019] [Accepted: 12/22/2019] [Indexed: 02/02/2023]
Abstract
OBJECTIVE In osteoarthritis (OA), the pain-structure relationship remains complex and poorly understood. Here, we used the mechanical joint loading (MJL) model of OA to investigate both knee pathology and nociceptive behaviour. DESIGN MJL was used to induce OA in the right knees of 12-week-old male C57BL/6 mice (40 cycles, 9N, 3x/week for 2 weeks). Mechanical sensitivity thresholds and weight-bearing ratios were measured before loading and at weeks one, three and six post-loading. At these time points, separate groups of loaded and non-loaded mice (n = 12/group) were sacrificed, joints collected, and fur corticosterone levels measured. μCT analyses of subchondral bone integrity was performed before joint sections were prepared for nerve quantification, cartilage or synovium grading (scoring system from 0 to 6). RESULTS Loaded mice showed increased mechanical hypersensitivity paired with altered weight-bearing. Initial ipsilateral cartilage lesions 1-week post-loading (1.8 ± 0.4) had worsened at weeks three (3.0 ± 0.6, CI = -1.8-0.6) and six (2.8 ± 0.4, CI = -1.6-0.4). This increase in lesion severity correlated with mechanical hypersensitivity development (correlation; 0.729, P = 0.0071). Loaded mice displayed increased synovitis (3.6 ± 0.5) compared to non-loaded mice (1.5 ± 0.5, CI = -2.2-0.3) 1-week post-loading which returned to normal by weeks three and six. Similarly, corticosterone levels were only increased at week one post-loading (0.21 ± 0.04 ng/mg) compared to non-loaded controls (0.14 ± 0.01 ng/mg, CI = -1.8-0.1). Subchondral bone integrity and nerve volume remained unchanged. CONCLUSIONS Our data indicates that although the loading induces an initial stress reaction and local inflammation, these processes are not directly responsible for the nociceptive phenotype observed. Instead, MJL-induced allodynia is mainly associated with OA-like progression of cartilage lesions.
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Affiliation(s)
- F Ter Heegde
- Skeletal Biology Group, Comparative Biomedical Science, Royal Veterinary College, London NW1 0TU, UK; Molecular Nociception Group, Wolfson Institute for Biomedical Research, University College London, London WC1E 6BT, UK.
| | - A P Luiz
- Molecular Nociception Group, Wolfson Institute for Biomedical Research, University College London, London WC1E 6BT, UK.
| | - S Santana-Varela
- Molecular Nociception Group, Wolfson Institute for Biomedical Research, University College London, London WC1E 6BT, UK.
| | - R Magnúsdóttir
- Skeletal Biology Group, Comparative Biomedical Science, Royal Veterinary College, London NW1 0TU, UK.
| | - M Hopkinson
- Skeletal Biology Group, Comparative Biomedical Science, Royal Veterinary College, London NW1 0TU, UK.
| | - Y Chang
- Research Office, Royal Veterinary College, London NW1 0TU, UK.
| | - B Poulet
- Muscoskeletal Biology, Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool L69 3BX, UK.
| | - R C Fowkes
- Endocrine Signalling Group, Comparative Biomedical Science, Royal Veterinary College, London NW1 0TU, UK.
| | - J N Wood
- Molecular Nociception Group, Wolfson Institute for Biomedical Research, University College London, London WC1E 6BT, UK.
| | - C Chenu
- Skeletal Biology Group, Comparative Biomedical Science, Royal Veterinary College, London NW1 0TU, UK.
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6
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Otis C, Guillot M, Moreau M, Pelletier JP, Beaudry F, Troncy E. Sensitivity of functional targeted neuropeptide evaluation in testing pregabalin analgesic efficacy in a rat model of osteoarthritis pain. Clin Exp Pharmacol Physiol 2019; 46:723-733. [PMID: 31046168 DOI: 10.1111/1440-1681.13100] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 03/22/2019] [Accepted: 04/28/2019] [Indexed: 12/27/2022]
Abstract
The monosodium iodoacetate (MIA)-induced joint degeneration in rats is the most used animal model to screen analgesic drugs to alleviate osteoarthritis (OA) pain. This study aimed to evaluate the analgesic efficacy of pregabalin (PGB) in an MIA-induced OA model in rodents by using functional and neuroproteomic pain assessment methods. Treatment group included PGB in curative intent over 9 days compared to gold standard therapy (positive controls) and placebo (negative control). Functional assessments of pain (quantitative sensory testing and operant test) were performed concomitantly with spinal neuropeptides quantification. At day 21 post-OA induction, PGB in MIA rats reduced tactile allodynia (P = 0.028) and improved the place escape/avoidance behaviour (P = 0.04) compared to values recorded at last time-point before initiating analgesic therapy. All spinal neuropeptide concentrations, such as substance P, calcitonin gene-related peptide, bradykinin and somatostatin, came back to normal (non-affected) rat values, compared to their increase observed in MIA rats receiving the placebo (P < 0.0001). Initiated 13 days after chemical OA induction, repeated medication with PGB provided analgesia according to quantitative sensory testing, operant test and targeted neuropeptides pain assessment methods. This report highlights the interest of using reliable and sensitive methods like targeted neuropeptide quantification to detect the analgesic effects of a test article with concomitant functional assessments of pain when studying OA pain components.
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Affiliation(s)
- Colombe Otis
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
| | - Martin Guillot
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, Quebec, Canada
| | - Maxim Moreau
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, Quebec, Canada
| | - Jean-Pierre Pelletier
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, Quebec, Canada
| | - Francis Beaudry
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, Quebec, Canada
| | - Eric Troncy
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, Quebec, Canada
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7
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Gatenholm B, Brittberg M. Neuropeptides: important regulators of joint homeostasis. Knee Surg Sports Traumatol Arthrosc 2019; 27:942-949. [PMID: 30039292 DOI: 10.1007/s00167-018-5074-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Accepted: 07/17/2018] [Indexed: 12/31/2022]
Abstract
PURPOSE This review explores the mechanisms of joint pain with a special focus on the role of neuropeptides in pain transmission and their potential role in the progression of joint degeneration as seen in osteoarthritis. METHODS A literature search was performed on papers published between January 1990 and September 2017 using the Web of Science Core Collection, MEDLINE and Scopus databases. RESULTS What is seen in the subchondral bone and synovia is mirrored in the central nervous system (CNS). Substance P, calcitonin gene-related peptide, vasoactive intestinal peptide and neuropeptide Y are the major peptides involved both in the generation of pain as well as reducing pain post-joint trauma. The interplay between them and other neuropeptides and cytokines influence how noxious stimuli are transduced, transmitted and modulated for a final pain perception as part of a complex cascade of events. There is a close interaction between the different components in the joint that together cross-talk to adapt to load and catabolic factors during injury and inflammation. CONCLUSION The articular joint should be seen as an organ where local joint pain development and maintenance is influenced by interplay between the local transmitters in the joints as well as their dependence on the CNS. A slow-release cocktail of mixed antibodies targeted against neuropeptides and receptor blockers/stimulators involved in the events of early joint pain or any inflammatory joint disease is a future treatment target. LEVEL OF EVIDENCE V.
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Affiliation(s)
- Birgitta Gatenholm
- Department of Orthopaedics, Institute of Clinical Sciences, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden. .,Sahlgrenska University Hospital, Mölndal, Sweden.
| | - Mats Brittberg
- Department of Orthopaedics, Institute of Clinical Sciences, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden.,Hallands Sjukhus, Kungsbacka, Sweden
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8
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Differential contributions of peripheral and central mechanisms to pain in a rodent model of osteoarthritis. Sci Rep 2018; 8:7122. [PMID: 29740093 PMCID: PMC5940779 DOI: 10.1038/s41598-018-25581-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Accepted: 04/16/2018] [Indexed: 11/08/2022] Open
Abstract
The mechanisms underlying the transition from acute nociceptive pain to centrally maintained chronic pain are not clear. We have studied the contributions of the peripheral and central nervous systems during the development of osteoarthritis (OA) pain. Male Sprague-Dawley rats received unilateral intra-articular injections of monosodium iodoacetate (MIA 1 mg) or saline, and weight-bearing (WB) asymmetry and distal allodynia measured. Subgroups of rats received intra-articular injections of, QX-314 (membrane impermeable local anaesthetic) + capsaicin, QX-314, capsaicin or vehicle on days 7, 14 or 28 post-MIA and WB and PWT remeasured. On days 7&14 post-MIA, but not day 28, QX-314 + capsaicin signficantly attenuated changes in WB induced by MIA, illustrating a crucial role for TRPV1 expressing nociceptors in early OA pain. The role of top-down control of spinal excitability was investigated. The mu-opioid receptor agonist DAMGO was microinjected into the rostroventral medulla, to activate endogenous pain modulatory systems, in MIA and control rats and reflex excitability measured using electromyography. DAMGO (3 ng) had a significantly larger inhibitory effect in MIA treated rats than in controls. These data show distinct temporal contribtuions of TRPV1 expressing nociceptors and opioidergic pain control systems at later timepoints.
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Tsai HC, Chen TL, Chen YP, Chen RM. Traumatic osteoarthritis-induced persistent mechanical hyperalgesia in a rat model of anterior cruciate ligament transection plus a medial meniscectomy. J Pain Res 2017; 11:41-50. [PMID: 29317848 PMCID: PMC5743113 DOI: 10.2147/jpr.s154038] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Background Osteoarthritis (OA) is a degenerative joint disease characterized by progressive cartilage degeneration, subchondral bone changes, osteophyte formation, and synovitis. A major symptom is pain that is triggered by peripheral and central changes within the pain pathways. Some surgery-induced joint instability rat models of OA were described to mimic traumatic OA. Several behavioral tests were developed to access OA-induced pain. However, follow-up in most studies usually only occurred for about 4 weeks. Since traumatic OA is a chronic disease which gradually develops after trauma, the pattern of pain might differ between early and late stages after the trauma. Purpose To observe the time-dependent development of hypersensitivity after traumatic OA and to determine the best timing and methods to investigate traumatic OA-induced pain. Methods Anterior cruciate ligament transection plus medial meniscectomy was used to induce traumatic OA in Sprague-Dawley rats. Traumatic OA-induced pain was evaluated using four different behavioral tests for 15 weeks. Results A significant difference in mechanical hypersensitivity developed throughout the observational period. It was worst in the first 3 weeks after the operation, then became less significant after 5 weeks but persisted. There were no differences in thermal hyperalgesia or motor coordination. Conclusion Traumatic OA induced mechanical hyperalgesia but did not cause thermal hyperalgesia or influence motor coordination. Furthermore, to investigate chronic pain induced by OA, the observational period should be at least 5 weeks after the intervention. These findings may help in further research and improve our understanding of traumatic OA-induced pain mechanisms.
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Affiliation(s)
- Hsiao-Chien Tsai
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Department of Anesthesiology, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan.,Department of Anesthesiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Ta-Liang Chen
- Department of Anesthesiology, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan.,Department of Anesthesiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Anesthesiology and Health Policy Research Center, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan
| | - Yu-Pin Chen
- Department of Orthopedic Surgery, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
| | - Ruei-Ming Chen
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Department of Anesthesiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Comprehensive Cancer Center, Taipei Medical University, Taipei, Taiwan
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