Dear Colleagues.

In the context of an ageing world population, certain pathologies that are exacerbated in this process of ageing, such as osteoarthritis (OA), will become more prevalent in the coming years. Moreover, OA is one of the main causes of chronic pain and physical disability in the elderly. It is therefore of great relevance to gain a deep understanding on the pathophysiology of this disease, and also to identify potential prognostic and diagnostic tools along with novel promising therapeutic targets for OA.