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Orthopaedic Proceedings
Vol. 100-B, Issue SUPP_2 | Pages 19 - 19
1 Feb 2018
Owen S Thompson C McGlashan S Knight M Ockendon M Roberts S
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Introduction

Primary cilia are singular structures containing a microtubule-based axoneme which are believed to not only be mechanosensitive but also to co-ordinate many cell functions via signalling pathways including Hedgehog and Wnt. Primary cilia have previously been described on cells of mouse intervertebral discs (IVDs), but not in bovine or human IVDs. Our aim was to examine primary cilia in these species.

Methods

Nucleus pulposus cells were obtained from cows with no overt disc degeneration and patients following spine surgery (for herniations and/or degenerative disc disease) and cultured until confluent before maintaining with or without serum for 24h. Primary cilia were visualised with antibodies to the axoneme (acetylated α-tubulin and Arl13b) and/or the basal body (pericentrin) using fluorescent secondary antibodies and ≥200 cells per sample were counted.