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The term long non-coding RNA (lncRNA) refers to a group of RNAs with length more than 200 nucleotides, limited protein-coding potential, and having widespread biological functions, including regulation of transcriptional patterns and protein activity, formation of endogenous small interfering RNAs (siRNAs) and natural microRNA (miRNA) sponges. Intervertebral disc degeneration (IDD) and osteoarthritis (OA) are the most common chronic, prevalent and age-related degenerative musculoskeletal disorders. Numbers of lncRNAs are differentially expressed in human degenerative nucleus pulposus tissue and OA cartilage. Moreover, some lncRNAs have been shown to be involved in multiple pathological processes during OA, including extracellular matrix (ECM) degradation, inflammatory responses, apoptosis and angiogenesis. In this review, we summarize current knowledge concerning lncRNAs, from their biogenesis, classification and biological functions to molecular mechanisms and therapeutic potential in IDD and OA. are the most common chronic, prevalent and age-related degenerative musculoskeletal disorders, leading to an enormous socioeconomic burden worldwide. IDD and OA are two major causes of disability and chronic pain, and their incidence has been increasing not only among older persons but also within younger adults in the past decades. It is estimated that approximately 80% adults will suffer chronic low back pain caused by IDD during their lifetime.1 Over 50% of patients with symptomatic OA are younger than 65 years old.

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