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The degenerative process is often initiated by an imbalance between catabolic and anabolic pathways. Despite the large socio\u2010economic impact, the initiation and progress of disc degeneration are poorly understood. Although intervertebral disc (IVD) and articular joint are not identical, their degenerative roads are remarkably similar. We, and another authors, previously demonstrated that E\u201074\u2010like factor 3 (ELF3), a transcription factor induced by inflammatory mediators in various cell types including chondrocytes, is a central contributing factor for cartilage degradation. Thus, we aim to explore, for the first time, the expression, modulation, and the role of ELF3 in human IVD cells.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The presence of ELF3 in healthy and degenerated IVD tissues was initially determined by immunohistochemistry in annulus fibrosus (AF) and nucleus pulposus (NP). mRNA and protein expression were measured, respectively, by RT\u2010qPCR and Western blot in AF and NP IVD cells harvested from healthy individuals and IVDD patients. Overexpression of ELF3 was performed by transfection of AF IVDD cells with pESE\u20101: ELF3 expression vector or pCI: empty vector.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Our results unveiled, for the first time, the expression of ELF3 in IVD tissues. ELF3 is notably upregulated in degenerated tissues compared to those from healthy patients. In addition, the stimulation of IVDD AF cells with various proinflammatory stimuli, showed marked increase in both mRNA and protein expression of ELF3. ELF3 overexpression in AF IVDD cells resulted in the upregulation of proinflammatory and catabolic genes such as PTGS2, NOS2, LCN2, IL\u20106, MMP13, and ADAMTS\u20105; whereas, ELF3 silencing resulted in the opposite results.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Our results support a novel role for ELF3 as a pro\u2010inflammatory and pro\u2010catabolic transcriptional mediator, whose targeting in IVD tissues might be of potential therapeutic relevance in disc degeneration.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jsp2.70016","type":"journal-article","created":{"date-parts":[[2025,1,28]],"date-time":"2025-01-28T12:14:17Z","timestamp":1738066457000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["<scp>E74<\/scp>\u2010like <scp>ETS<\/scp> transcription factor 3 expression and regulation in human intervertebral 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