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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_11 | Pages 337 - 337
1 Jul 2014
Onodera T Yamashita T Iwasaki N Sasazawa F
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Summary Statement

The deletion of gangliosides enhanced OA development by elevating MMP-13 and ADAMTS-5 expression and accelerating chondrocyte apoptosis. Gangliosides possibly play suppressive roles in IL-1α-induced inflammatory signaling cascades.

Introduction

We have previously reported that glycosphingolipids (GSLs) play chondroprotective roles in the cartilage degradation process [1]. Gangliosides, one of the series of GSLs, are known to be important in intercellular signal transduction and cell-to-cell recognition [2]. Therefore, we hypothesised that gangliosides are important in cartilage metabolisms among the GSLs species. The purpose of this study was to determine the functional role of gangliosides in the development of OA in murine models.