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Francisco V, Pérez T, Pino J, López V, Franco E, Alonso A, Gonzalez-Gay MA, Mera A, Lago F, Gómez R, Gualillo O. Biomechanics, obesity, and osteoarthritis. The role of adipokines: When the levee breaks. J Orthop Res 2018; 36:594-604. [PMID: 29080354 DOI: 10.1002/jor.23788] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 10/21/2017] [Indexed: 02/04/2023]
Abstract
Osteoarthritis is a high-incidence painful and debilitating disease characterized by progressive degeneration of articular joints, which indicates a breakdown in joint homeostasis favoring catabolic processes. Biomechanical loading, associated with inflammatory and metabolic imbalances of joint, strongly contributes to the initiation and progression of the disease. Obesity is a primary risk factor for disease onset, and mechanical factors increased the risk for disease progression. Moreover, inflammatory mediators, in particular, adipose tissue-derived cytokines (better known as adipokines) play a critical role linking obesity and osteoarthritis. The present article summarizes the knowledge about the role of adipokines in cartilage and bone function, highlighting their contribution to the imbalance of joint homeostasis and, consequently, pathogenesis of osteoarthritis. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:594-604, 2018.
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Affiliation(s)
- Vera Francisco
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, Santiago de Compostela, 15706, Spain
| | - Tamara Pérez
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, Santiago de Compostela, 15706, Spain
| | - Jesús Pino
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, Santiago de Compostela, 15706, Spain
| | - Verónica López
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, Santiago de Compostela, 15706, Spain
| | - Eloy Franco
- Musculoskeletal Pathology Group, SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), Research Laboratory 9, Santiago University Clinical Hospital, Santiago de Compostela, Spain
| | - Ana Alonso
- Musculoskeletal Pathology Group, SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), Research Laboratory 9, Santiago University Clinical Hospital, Santiago de Compostela, Spain
| | - Miguel Angel Gonzalez-Gay
- Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Universidad de Cantabria and IDIVAL, Hospital Universitario Marqués de Valdecilla, Av. Valdecilla, Santander, 39008, Spain
| | - Antonio Mera
- SERGAS (Servizo Galego de Saude), Santiago University Clinical Hospital, Division of Rheumatology, Travesía da Choupana S/N, Santiago de Compostela, 15706, Spain
| | - Francisca Lago
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), Department of Cellular and Molecular Cardiology, CIBERCV (Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares), Building C, Travesía da Choupana S/N, Santiago de Compostela, 15706, Spain
| | - Rodolfo Gómez
- Musculoskeletal Pathology Group, SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), Research Laboratory 9, Santiago University Clinical Hospital, Santiago de Compostela, Spain
| | - Oreste Gualillo
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, Santiago de Compostela, 15706, Spain
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Graef F, Seemann R, Garbe A, Schmidt-Bleek K, Schaser KD, Keller J, Duda G, Tsitsilonis S. Impaired fracture healing with high non-union rates remains irreversible after traumatic brain injury in leptin-deficient mice. JOURNAL OF MUSCULOSKELETAL & NEURONAL INTERACTIONS 2017; 17:78-85. [PMID: 28574414 PMCID: PMC5492322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Patients with traumatic brain injury (TBI) and long-bone fractures can show increased callus formation. This effect has already been reproduced in wild-type (wt) mice. However, the mechanisms remain poorly understood. Leptin is significantly increased following TBI, while its role in bone healing remains unclear. The aim of this study was to evaluate fracture healing in leptin-deficient ob/ob mice and to measure any possible impact of TBI on callus formation. 138 female, 12 weeks old, ob/ob mice were divided into four groups: Control, fracture, TBI and combined trauma. Osteotomies were stabilized with an external fixator; TBI was induced with Controlled Cortical Impact Injury. Callus bridging was weekly evaluated with in vivo micro-CT. Biomechanical testing was performed ex vivo. Micro-CT showed high non-union rates after three and four weeks in the fracture and combined trauma group. No differences were observed in callus volume, density and biomechanical properties at any time point. This study shows that bony bridging is impaired in the present leptin-deficient trauma model. Furthermore, the phenomenon of increased callus formation after TBI could not be reproduced in ob/ob mice, as in wt mice. Our findings suggest that the increased callus formation after TBI may be dependent on leptin signaling.
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Affiliation(s)
- F. Graef
- Center for Musculoskeletal Surgery, Charité - University Medicine Berlin, Augustenburger Platz 1, 13353, Berlin, Germany,Corresponding author: Frank Graef, MD, Center for Musculoskeletal Surgery, Charité - University Medicine Berlin, Augustenburger Platz 1, 13353, Berlin, Germany E-mail:
| | - R. Seemann
- Center for Musculoskeletal Surgery, Charité - University Medicine Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - A. Garbe
- Center for Musculoskeletal Surgery, Charité - University Medicine Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - K. Schmidt-Bleek
- Berlin-Brandenburg Center for Regenerative Therapies, Augustenburger Platz 1, 13353, Berlin, Germany,Julius Wolff Institute, Charité - University Medicine Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - K-D. Schaser
- University Center for Orthopedics and Trauma Surgery, University Hospital Carl Gustav Carus Dresden, Fetscherstraße 74, 01307 Dresden
| | - J. Keller
- Center for Musculoskeletal Surgery, Charité - University Medicine Berlin, Augustenburger Platz 1, 13353, Berlin, Germany,Berlin-Brandenburg Center for Regenerative Therapies, Augustenburger Platz 1, 13353, Berlin, Germany
| | - G. Duda
- Berlin-Brandenburg Center for Regenerative Therapies, Augustenburger Platz 1, 13353, Berlin, Germany,Julius Wolff Institute, Charité - University Medicine Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - S. Tsitsilonis
- Center for Musculoskeletal Surgery, Charité - University Medicine Berlin, Augustenburger Platz 1, 13353, Berlin, Germany,Berlin-Brandenburg Center for Regenerative Therapies, Augustenburger Platz 1, 13353, Berlin, Germany
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Labouesse MA, Gertz ER, Piccolo BD, Souza EC, Schuster GU, Witbracht MG, Woodhouse LR, Adams SH, Keim NL, Van Loan MD. Associations among endocrine, inflammatory, and bone markers, body composition and weight loss induced bone loss. Bone 2014; 64:138-46. [PMID: 24709689 PMCID: PMC4408214 DOI: 10.1016/j.bone.2014.03.047] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2013] [Revised: 03/13/2014] [Accepted: 03/27/2014] [Indexed: 12/28/2022]
Abstract
INTRODUCTION Weight loss reduces co-morbidities of obesity, but decreases bone mass. PURPOSE Our aims were to (1) determine if adequate dairy intake attenuates weight loss-induced bone loss; (2) evaluate the associations of endocrine, inflammatory and bone markers, anthropometric and other parameters to bone mineral density and content (BMD, BMC) pre- and post-weight loss; and (3) model the contribution of these variables to post weight-loss BMD and BMC. METHODS Overweight/obese women (BMI: 28-37 kg/m2) were enrolled in an energy reduced (-500 kcal/d; -2092 kJ/d) diet with adequate dairy (AD: 3-4 servings/d; n=25, 32.2±8.8 years) or low dairy (LD: ≤1 serving/d; n=26, 31.7±8.4 years). BMD, BMC and body composition were measured by DXA. Bone markers (CTX, PYD, BAP, OC), endocrine (PTH, vitamin D, leptin, adiponectin, ghrelin, amylin, insulin, GLP-1, PAI-1, HOMA) and inflammatory markers (CRP, IL1-β, IL-6, IL-8, TNF-α, cortisol) were measured in serum or plasma. PA was assessed by accelerometry. RESULTS Following weight loss, AD intake resulted in significantly greater (p=0.004) lumbar spine BMD and serum osteocalcin (p=0.004) concentration compared to LD. Pre- and post-body fat was negatively associated with hip and lumbar spine BMC (r=-0.28, p=0.04 to -0.45, p=0.001). Of note were the significant negative associations among bone markers and IL-1β, TNFα and CRP ranging from r = -0.29 (p=0.04) to r = -0.34 (p=0.01); magnitude of associations did not change with weight loss. Adiponectin was negatively related to change in osteocalcin. Factor analysis resulted in 8 pre- and post-weight loss factors. Pre-weight loss factors accounted for 13.7% of the total variance in pre-weight loss hip BMD; post-weight loss factors explained 19.6% of the total variance in post-weight loss hip BMD. None of the factors contributed to the variance in lumbar spine BMD. CONCLUSION AD during weight loss resulted in higher lumbar spine BMD and osteocalcin compared to LD. Significant negative associations were observed between bone and inflammatory markers suggesting that inflammation suppresses bone metabolism. Using factor analysis, 19.6% of total variance in post-weight loss hip BMD could be explained by endocrine, immune, and anthropometric variables, but not lumbar spine BMD.
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Affiliation(s)
- Marie A Labouesse
- AgroParisTech, Paris Institute of Science and Technology, for Life, Food and Environmental Sciences, Paris, France
| | - Erik R Gertz
- Obesity & Metabolism Research Unit, USDA, ARS, Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, USA
| | - Brian D Piccolo
- Department of Nutrition, University of California, Davis, 1 Shields Avenue, Davis, CA, USA
| | - Elaine C Souza
- Department of Nutrition, University of California, Davis, 1 Shields Avenue, Davis, CA, USA
| | - Gertrud U Schuster
- Department of Nutrition, University of California, Davis, 1 Shields Avenue, Davis, CA, USA
| | - Megan G Witbracht
- Department of Nutrition, University of California, Davis, 1 Shields Avenue, Davis, CA, USA
| | - Leslie R Woodhouse
- Analytical Support Laboratory, USDA, ARS, Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, USA
| | - Sean H Adams
- Obesity & Metabolism Research Unit, USDA, ARS, Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, USA; Department of Nutrition, University of California, Davis, 1 Shields Avenue, Davis, CA, USA
| | - Nancy L Keim
- Obesity & Metabolism Research Unit, USDA, ARS, Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, USA; Department of Nutrition, University of California, Davis, 1 Shields Avenue, Davis, CA, USA
| | - Marta D Van Loan
- Obesity & Metabolism Research Unit, USDA, ARS, Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA, USA; Department of Nutrition, University of California, Davis, 1 Shields Avenue, Davis, CA, USA.
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