DDX20 is a multifunctional DEAD-box RNA helicase that serves critical roles in both RNA metabolism and transcriptional regulation 1. As a core component of the survival motor neuron (SMN) complex, DDX20 is essential for small nuclear ribonucleoprotein (snRNP) biogenesis and pre-mRNA splicing 1. The protein functions as a translational regulator by controlling mRNA translation through interactions with translational machinery components, particularly important for cell cycle-related genes during spermatogenesis 2. DDX20 also acts as a transcriptional regulator, interacting with transcription factors and affecting gene expression through pathways including NF-κB and p53 signaling 13. In innate immunity, DDX20 positively regulates the interferon pathway by facilitating TBK1-IRF3 interactions, leading to enhanced IFN-β production and antiviral gene expression 4. The protein's dysregulation is associated with various diseases, including its upregulation in hepatocellular carcinoma correlating with poor prognosis 5, and its role in osteoarthritis through NF-κB pathway activation 3. DDX20's multifunctional nature extends beyond traditional RNA helicase activities, as some cellular functions occur independently of its RNA unwinding capability 1.