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01.12.2015 | Research article | Ausgabe 1/2015 Open Access

BMC Musculoskeletal Disorders 1/2015

Effects of BIS076 in a model of osteoarthritis induced by anterior cruciate ligament transection in ovariectomised rats

Zeitschrift:
BMC Musculoskeletal Disorders > Ausgabe 1/2015
Autoren:
María Luisa Ferrándiz, María Carmen Terencio, María Carmen Carceller, Ramón Ruhí, Pere Dalmau, Josep Vergés, Eulàlia Montell, Anna Torrent, María José Alcaraz
Wichtige Hinweise

Competing interests

A.T., P.D., R.R., E.M. and J.V. are employed by Bioibérica S.A.

Authors’ contributions

A.T., P.D., R.R., E.M, J.V., M.L.F., M.J.A. conceived and designed the experiments. M.L.F., M.C.T., M.C.C. performed the experiments. M.L.F., M.C.T., M.J.A. analysed the data and wrote the paper. All authors read and approved the final manuscript.

Abstract

Background

Osteoarthritis (OA) is the most frequent articular disease and a leading cause of disability. There is a need for effective treatments able to slow the progression of disease. Some of the available treatments are dietary supplements providing natural components. Recent studies have shown that estrogen deficiency contributes to the pathophysiological events of OA progression.

Methods

We have used the anterior cruciate ligament transection model of OA in ovariectomised rats to study the effects of BIS076, a new formulation of a natural porcine cartilage extract associated with hydroxyapatite (as a source of calcium) and vitamin D3. Cartilage degradation, proteoglycan depletion and synovitis were followed by histochemistry. Effects on bone microstructure were determined by μCT. The levels of biomarkers in serum and inflammatory mediators in knee homogenates were measured by luminex or ELISA.

Results

Oral administration of BIS076 reduced articular cartilage damage and serum levels of cartilage degradation markers C-telopeptide of type II collagen and cartilage oligomeric matrix protein, as well as matrix metalloproteinase-3. The local inflammatory response was down-regulated by BIS076 with lower production of pro-inflammatory cytokines and prostaglandin E2 in joint tissues. In addition, BIS076 was effective on metaphyseal bone alterations as this formulation increased volumetric bone mineral density and improved bone micro-architecture. These effects were related to the modification of bone metabolism reflected by changes in bone biomarkers with reductions in the ratio receptor activator of nuclear factor κB ligand/osteoprotegerin and the levels of tartrate-resistant acid phosphatase-5b, suggesting an inhibitory activity of BIS076 on trabecular bone resorption.

Conclusions

We have demonstrated the protective properties of a new formulation (BIS076) on joint lesion and bone alterations in an experimental model of OA in ovariectomised rats. This study supports the interest of BIS076 in OA treatments.
Literatur
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