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Stevens C, Norris S, Arbeeva L, Carter S, Enomoto M, Nelson AE, Lascelles BDX. Gut Microbiome and Osteoarthritis: Insights From the Naturally Occurring Canine Model of Osteoarthritis. Arthritis Rheumatol 2024. [PMID: 39030898 DOI: 10.1002/art.42956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 06/05/2024] [Accepted: 06/24/2024] [Indexed: 07/22/2024]
Abstract
OBJECTIVE The purpose of this study was to enhance the current knowledge of the relationship between the gut microbiome and osteoarthritis (OA) and associated pain using pet dogs as a clinically relevant translational model. METHODS Fecal samples were collected from 93 owned pet dogs. Dogs were designated as either clinically healthy or OA pain using validated methods. Metagenomic profiling was performed through shotgun sequencing using the Illumina NovaSeq platform. MetaPhlAn2 and HUMAnN2 were used to evaluate bacterial taxonomic and pathway relative abundance. Comparisons between healthy and OA-pain groups were performed individually for each taxa using nonparametric tests following Benjamini and Hochberg adjustment for multiple comparisons. Permutation analysis of variance was performed using Bray-Curtis distance matrices. All downstream analyses were completed in R. RESULTS No significant differences between healthy and OA-pain dogs were observed for alpha and beta diversity. We found 13 taxa with nominally significant (P < 0.05) associations with OA case status, but none of the associations remained significant after adjustment for multiple comparisons. No differences in alpha or beta diversities or the Firmicutes to Bacteroidetes ratio were found regarding pain severity, mobility or activity level, age, or body composition score. CONCLUSION Similar to recent studies in humans, the present study did not demonstrate a significant difference in the fecal microbial communities between dogs with OA pain and healthy control dogs. Future research in this naturally occurring model should expand on these data and relate the gut microbiome to gut permeability and circulating proinflammatory and anti-inflammatory molecules to better understand the influence of the gut microbiome on OA and OA pain.
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Affiliation(s)
- Christina Stevens
- Translational Research in Pain, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina
| | - Samantha Norris
- Translational Research in Pain, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina
| | - Liubov Arbeeva
- Thurston Arthritis Research Center, University of North Carolina at Chapel Hill
| | | | - Masataka Enomoto
- Translational Research in Pain, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina
| | - Amanda E Nelson
- Thurston Arthritis Research Center, University of North Carolina at Chapel Hill and Gillings School of Global Public Health, University of North Carolina at Chapel Hill
| | - B Duncan X Lascelles
- Translational Research in Pain, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, Comparative Pain Research and Education Center, North Carolina State University, Raleigh, North Carolina, and the Center for Translational Pain Research, Duke University, Durham, North Carolina
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Monteiro BP, Otis C, Nitulescu R, Troncy E. Quantitative sensory testing in canine musculoskeletal pain: Findings from a systematic review, meta-analysis feasibility assessment, and limitations. Vet J 2024; 304:106102. [PMID: 38492631 DOI: 10.1016/j.tvjl.2024.106102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 03/12/2024] [Accepted: 03/13/2024] [Indexed: 03/18/2024]
Abstract
Quantitative sensory testing (QST) allows the study of pain mechanisms, patient phenotyping, and response to therapy. The goals of this study were to conduct a systematic review of the use of QST in dogs with musculoskeletal disease including osteoarthritis (OA), and to assess, by means of a meta-analysis, the ability of QST to differentiate affected dogs from healthy controls. The study protocol was registered; three bibliographic databases were screened. Studies involving QST in healthy dogs and those with musculoskeletal disease were included. Data were extracted using a standardized form. Assessment of quality and risk of bias were performed using the CAMARADES critical assessment tool. Twenty-nine articles met the inclusion criteria [systematic review (n = 11); meta-analysis (n = 28)]. In the systematic review, ten studies performed static QST: mechanical [punctate tactile (n = 6); mechanical pressure (n = 5)]; thermal [cold (n = 3); hot (n = 4)]; electrical (n = 1); and one study performed dynamic QST [conditioned pain modulation (n = 1)]. Most studies were of good scientific quality and showed low to moderate risk of bias. A meta-analysis was not possible due to numerous and severe issues of heterogeneity of data among studies. Methods to reduce risk of bias and use of reporting guidelines are some of the most needed improvements in QST research in dogs. Standardization of QST methodology is urgently needed in future studies to allow for data synthesis and a clear understanding of the sensory phenotype of dogs with and without chronic pain including OA.
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Affiliation(s)
- B P Monteiro
- Research Group in Animal Pharmacology of Quebec (GREPAQ), Université de Montréal, Saint-Hyacinthe, Québec J2S 2M2, Canada
| | - C Otis
- Research Group in Animal Pharmacology of Quebec (GREPAQ), Université de Montréal, Saint-Hyacinthe, Québec J2S 2M2, Canada
| | - R Nitulescu
- University of Montreal Hospital Research Center (CRCHUM), Montréal, Québec H2X 0A9, Canada; Centre d'intégration et d'analyse des données médicales (CITADEL) du Centre hospitalier de l'Université de Montréal (CHUM), Montréal, Québec H2X 0A9, Canada
| | - E Troncy
- Research Group in Animal Pharmacology of Quebec (GREPAQ), Université de Montréal, Saint-Hyacinthe, Québec J2S 2M2, Canada; University of Montreal Hospital Research Center (CRCHUM), Montréal, Québec H2X 0A9, Canada.
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Krystalli A, Sideri A, Kazakos GM, Anatolitou A, Prassinos NN. Contribution to the Study of Perioperative Factors Affecting the Restoration of Dog's Mobility after Femoral Head and Neck Excision: A Clinical Study in 30 Dogs. Animals (Basel) 2023; 13:2295. [PMID: 37508072 PMCID: PMC10376395 DOI: 10.3390/ani13142295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 07/07/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
This study aimed to compare postoperative analgesia and the time of limb weight bearing induced by the intraoperative administration of a local anesthetic at the site of the femoral head and neck excision (FHNE) in dogs, with and without the administration of preoperative epidural anesthesia. Additionally, the impact of postoperative opioid drug administration on weight-bearing time was examined. This randomized, blinded, prospective clinical study included 30 client-owned dogs. The dogs were randomly divided into three groups (A, B, C), each further divided into two subgroups (A1, A2, B1, B2, C1, C2). Group A received epidural anesthesia and ropivacaine at the ostectomy site, Group B received only ropivacaine, and Group C served as the control group. Subgroup 1 received a non-steroidal anti-inflammatory drug postoperatively, while Subgroup 2 had tramadol added to their regimen. Pain assessment was conducted using the University of Melbourne Pain Scale (UMPS) and an algometer. The study concluded that multimodal analgesia, utilizing all the aforementioned analgesic techniques, resulted in faster limb weight bearing for dogs undergoing FHNE.
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Affiliation(s)
- Androniki Krystalli
- Surgery & Obstetrics Unit, Companion Animal Clinic, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University, 54627 Thessaloniki, Greece
| | - Aikaterini Sideri
- Clinic of Surgery, Faculty of Veterinary Science, School of Health Sciences, University of Thessaly, 43100 Karditsa, Greece
| | - George M Kazakos
- Surgery and Anesthesiology-Intensive Care, Companion Animal Clinic, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University, 54627 Thessaloniki, Greece
| | - Anthi Anatolitou
- Surgery & Obstetrics Unit, Companion Animal Clinic, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University, 54627 Thessaloniki, Greece
| | - Nikitas N Prassinos
- Surgery & Obstetrics Unit, Companion Animal Clinic, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University, 54627 Thessaloniki, Greece
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Lascelles BDX, Brown DC, Conzemius MG, Gill M, Oshinsky ML, Sharkey M. The beneficial role of companion animals in translational pain research. FRONTIERS IN PAIN RESEARCH 2022; 3:1002204. [PMID: 36133153 PMCID: PMC9483146 DOI: 10.3389/fpain.2022.1002204] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Accepted: 08/16/2022] [Indexed: 11/21/2022] Open
Abstract
The use of spontaneous painful disease in companion pet animals has been highlighted as one of the changes that could be made to help improve translation of basic science to new therapeutics, acting as a bridge between preclinical and clinical studies, with the goal of accelerating the approval of new therapeutics. This review focuses on the utility of companion pet dogs for translational research by reviewing what outcome measures can be measured, and importantly, the relevance of these outcome measures to human translational research. It also details the practical considerations involved in incorporating companion dogs into human therapeutic development.
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Affiliation(s)
- B. Duncan X. Lascelles
- Translational Research in Pain, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, United States
- Comparative Pain Research and Education Center, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, United States
- Thurston Arthritis Centre, UNC School of Medicine, Chapel Hill, NC, United States
- Center for Translational Pain Research, Department of Anesthesiology, Duke University, Durham, NC, United States
- Correspondence: B. Duncan X. Lascelles
| | - Dottie C. Brown
- Global Efficacy & Model Development, Elanco Animal Health, Greenfield, IN, United States
| | - Michael G. Conzemius
- Clinical Investigation Center, College of Veterinary Medicine, University of Minnesota, St. Paul, MN, United States
| | - Marie Gill
- National Institute of Neurological Disorders and Stroke/National Institutes of Health, Bethesda, MD, United States
| | - Michael L. Oshinsky
- National Institute of Neurological Disorders and Stroke/National Institutes of Health, Bethesda, MD, United States
| | - Michelle Sharkey
- Center for Veterinary Medicine Food and Drug Administration, Rockville, MD, United States
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Determination of the center of mass in a heterogeneous population of dogs. PLoS One 2022; 17:e0267361. [PMID: 35476847 PMCID: PMC9045670 DOI: 10.1371/journal.pone.0267361] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 04/06/2022] [Indexed: 01/12/2023] Open
Abstract
The center of mass (CoM) is the location in a body where mass distribution is balanced. It has a fundamental role in balance and motion which has been poorly described in the dog. The objective of this study was to estimate the variance of the center of mass (CoM) in a heterogeneous population of client-owned dogs and to describe the relationship between CoM, subject morphometrics and an inertial measurement unit (IMU) box positioned ventrally on a neck collar. A single force platform and a reaction board were used to determine CoM in the transverse, sagittal and dorsal planes in thirty-one healthy adult dogs. A series of morphometric measurements were acquired with each dog standing, including distances relative to an IMU box positioned ventrally on a neck collar. Mean transverse plane CoM was 48% the distance from ischium to the IMU box, near the xiphoid process. Mean sagittal place CoM was 59% the width of the chest on the left side. Mean dorsal plane CoM was 41% the distance from the most dorsal to the most ventral aspect of the body. Dog length was the primary variable required to maximize the relationship between three-dimensional CoM and identifiable variables measured. A CoM based normalization procedure should be considered to normalize mass or motion based outcome measure output (e.g., ground reaction forces, vector acceleration) in a heterogeneous population of dogs. Future research will be needed to determine if CoM-based normalization procedures reduce variance in outcome measures affected by subject morphometrics.
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Zaki S, Blaker CL, Little CB. OA foundations - experimental models of osteoarthritis. Osteoarthritis Cartilage 2022; 30:357-380. [PMID: 34536528 DOI: 10.1016/j.joca.2021.03.024] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 03/01/2021] [Accepted: 03/10/2021] [Indexed: 02/02/2023]
Abstract
Osteoarthritis (OA) is increasingly recognised as a disease of diverse phenotypes with variable clinical presentation, progression, and response to therapeutic intervention. This same diversity is readily apparent in the many animal models of OA. However, model selection, study design, and interpretation of resultant findings, are not routinely done in the context of the target human (or veterinary) patient OA sub-population or phenotype. This review discusses the selection and use of animal models of OA in discovery and therapeutic-development research. Beyond evaluation of the different animal models on offer, this review suggests focussing the approach to OA-animal model selection on study objective(s), alignment of available models with OA-patient sub-types, and the resources available to achieve valid and translatable results. How this approach impacts model selection is discussed and an experimental design checklist for selecting the optimal model(s) is proposed. This approach should act as a guide to new researchers and a reminder to those already in the field, as to issues that need to be considered before embarking on in vivo pre-clinical research. The ultimate purpose of using an OA animal model is to provide the best possible evidence if, how, when and where a molecule, pathway, cell or process is important in clinical disease. By definition this requires both model and study outcomes to align with and be predictive of outcomes in patients. Keeping this at the forefront of research using pre-clinical OA models, will go a long way to improving the quality of evidence and its translational value.
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Affiliation(s)
- S Zaki
- Sydney School of Veterinary Science, Faculty of Science, University of Sydney, Australia; Raymond Purves Bone and Joint Research Laboratory, Australia.
| | - C L Blaker
- Raymond Purves Bone and Joint Research Laboratory, Australia; Murray Maxwell Biomechanics Laboratory, The Kolling Institute, University of Sydney Faculty of Medicine and Health, At Royal North Shore Hospital, Australia.
| | - C B Little
- Raymond Purves Bone and Joint Research Laboratory, Australia.
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Gugliandolo E, Peritore AF, Impellizzeri D, Cordaro M, Siracusa R, Fusco R, D’Amico R, Di Paola R, Schievano C, Cuzzocrea S, Crupi R. Dietary Supplementation with Palmitoyl-Glucosamine Co-Micronized with Curcumin Relieves Osteoarthritis Pain and Benefits Joint Mobility. Animals (Basel) 2020; 10:ani10101827. [PMID: 33049960 PMCID: PMC7601140 DOI: 10.3390/ani10101827] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 10/01/2020] [Accepted: 10/06/2020] [Indexed: 12/13/2022] Open
Abstract
Simple Summary Canine osteoarthritis is a chronic degenerative joint disease and a major cause of elective euthanasia. The disorder increasingly limits joint motion, might cause lameness as well as pain, and impacts quality of life. An unmet need remains for safe and effective therapies for osteoarthritis. Palmitoyl-glucosamine and curcumin are used in animal nutrition. A co-micronized formulation, with the two substances being jointly processed to reduce their particle size and increase the extent to which they can be absorbed, is currently available on the European market. The present study investigated if this formulation could relieve joint pain and benefit mobility. Two well-established rat models of inflammation and osteoarthritis pain were used. Results from the first set of experiments showed that the dietary supplement relieved experimentally induced paw edema, infiltration of inflammatory cells, and decreased sensitivity to painful stimuli (thermal hyperalgesia). In the osteoarthritis model, the supplement proved to protect joint cartilage against degradation and successfully address neuropathic pain (i.e., pain from normally non-painful stimuli). Locomotor function recovered by 45% under supplement administration. The present findings suggest that the dietary supplement with palmitoyl-glucosamine co-micronized with curcumin might help manage osteoarthritis. Abstract Chronic mixed pain and orthopedic dysfunction are the most frequently associated consequences of canine osteoarthritis (OA). An unmet need remains for safe and effective therapies for OA. Palmitoyl-glucosamine (PGA) and curcumin are safe and naturally occurring compounds whose use is limited by poor bioavailability. Micronization is an established technique to increase bioavailability. The aim of this study was to investigate if the dietary supplementation with PGA co-micronized with curcumin (PGA-Cur, 2:1 ratio by mass) could limit pathologic process in two well-established rat models of inflammation and OA pain, i.e., subplantar carrageenan (CAR) and knee injection of sodium monoiodoacetate (MIA), respectively. In CAR-injected animals, a single dose of PGA-cur significantly reduced paw edema and hyperalgesia, as well as tissue damage and neutrophil infiltration. The repeated administration of PGA-Cur three times per week for 21 days, starting the third day after MIA injection resulted in a significant anti-allodynic effect. Protection against cartilage damage and recovery of locomotor function by 45% were also recorded. Finally, PGA-cur significantly counteracted MIA-induced increase in serum levels of TNF-α, IL-1β, NGF, as well as metalloproteases 1, 3, and 9. All the effects of PGA-Cur were superior compared to the compounds used singly. PGA-Cur emerged as a useful dietary intervention for OA.
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Affiliation(s)
- Enrico Gugliandolo
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98168 Messina, Italy; (E.G.); (A.F.P.); (D.I.); (M.C.); (R.S.); (R.F.); (R.D.); (R.D.P.)
| | - Alessio Filippo Peritore
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98168 Messina, Italy; (E.G.); (A.F.P.); (D.I.); (M.C.); (R.S.); (R.F.); (R.D.); (R.D.P.)
| | - Daniela Impellizzeri
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98168 Messina, Italy; (E.G.); (A.F.P.); (D.I.); (M.C.); (R.S.); (R.F.); (R.D.); (R.D.P.)
| | - Marika Cordaro
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98168 Messina, Italy; (E.G.); (A.F.P.); (D.I.); (M.C.); (R.S.); (R.F.); (R.D.); (R.D.P.)
| | - Rosalba Siracusa
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98168 Messina, Italy; (E.G.); (A.F.P.); (D.I.); (M.C.); (R.S.); (R.F.); (R.D.); (R.D.P.)
| | - Roberta Fusco
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98168 Messina, Italy; (E.G.); (A.F.P.); (D.I.); (M.C.); (R.S.); (R.F.); (R.D.); (R.D.P.)
| | - Ramona D’Amico
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98168 Messina, Italy; (E.G.); (A.F.P.); (D.I.); (M.C.); (R.S.); (R.F.); (R.D.); (R.D.P.)
| | - Rosanna Di Paola
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98168 Messina, Italy; (E.G.); (A.F.P.); (D.I.); (M.C.); (R.S.); (R.F.); (R.D.); (R.D.P.)
| | - Carlo Schievano
- Innovative Statistical Research srl, Prato Della Valle 24, I-35123 Padova, Italy;
| | - Salvatore Cuzzocrea
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98168 Messina, Italy; (E.G.); (A.F.P.); (D.I.); (M.C.); (R.S.); (R.F.); (R.D.); (R.D.P.)
- Department of Pharmacological and Physiological Science, Saint Louis University School of Medicine, Saint Louis, MO 63104, USA
- Correspondence:
| | - Rosalia Crupi
- Department of Veterinary Science, University of Messina, 98168 Messina, Italy;
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