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dc.contributor.authorConesa-Buendía, F M
dc.contributor.authorMediero, A
dc.contributor.authorFujikawa, R
dc.contributor.authorEsbrit, P
dc.contributor.authorMahillo-Fernandez, Ignacio 
dc.contributor.authorMues, Arantxa Ortega-De
dc.contributor.authorMulero, Francisca
dc.identifier.citationSci Rep .2020;10(1):13237.es_ES
dc.description.abstractOsteoarthritis (OA) is a degenerative disease characterized by injury of all joint tissues. Our previous study showed that in experimental osteoporosis, chiropractic manipulation (CM) exerts protective effects on bone. We here assessed whether CM might ameliorate OA by improving subchondral bone sclerosis, cartilage integrity and synovitis. Male New-Zealand rabbits underwent knee surgery to induce OA by anterior cruciate ligament injury. CM was performed using the chiropractic instrument ActivatorV 3 times/week for 8 weeks as follows: force 2 setting was applied to the tibial tubercle of the rabbit right hind limb (TM-OA), whereas the corresponding left hind limb received a false manipulation (FM-OA) consisting of ActivatorV firing in the air and slightly touching the tibial tubercle. After sacrifice, subchondral bone integrity was assessed in the tibiae by microCT and histology. Cartilage damage and synovitis were estimated by Mankin's and Krenn's scores, respectively, and histological techniques. Bone mineral density and content in both cortical and trabecular compartments of subchondral bone decreased in OA rabbits compared to controls, but partially reversed in the TM-OA group. Trabecular bone parameters in the latter group also showed a significant improvement compared to FM-OA group. Moreover RANKL, OPG, ALP and TRAP protein expression in subchondral bone significantly decreased in TM-OA rabbits with respect to FM-OA group. CM was associated with lower Mankin's and Krenn's scores and macrophage infiltrate together with a decreased protein expression of pro-inflammatory, fibrotic and angiogenic factors, in TM-OA rabbits with respect to FM-OA. Our results suggest that CM may mitigate OA progression by improving subchondral bone as well as cartilage and synovial membrane status.es_ES
dc.description.sponsorshipAODM was supported by grants from the Spanish Chiropractic Association (AEQ). AM was supported by grants from Spanish Ministry of Economy and Competitiveness and Carlos III Institute of Health (CP15/00053 and PI16/00991). We thank Dr. Carlos Guillén-Viejo (School of Pharmacy, Universidad Complutense de Madrid) for his help in advising in molecular biology methods. The authors are also grateful to Mark S. Davis for his assistance with editing and proofreading the article.es_ES
dc.publisherNature Publishing Group es_ES
dc.titleBeneficial effects of manually assisted chiropractic adjusting instrument in a rabbit model of osteoarthritis.es_ES
dc.typejournal articlees_ES
dc.rights.licenseAtribución-NoComercial-CompartirIgual 4.0 Internacional*
dc.contributor.funderSpanish Chiropractic Association (AEQ)
dc.contributor.funderMinisterio de Economía y Competitividad (España) 
dc.contributor.funderInstituto de Salud Carlos III 
dc.identifier.journalScientific reportses_ES
dc.repisalud.orgCNIOCNIO::Unidades técnicas::Unidad de Imagen Moleculares_ES
dc.rights.accessRightsopen accesses_ES

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