DQX1 (DEAQ-box RNA dependent ATPase 1) is an RNA-dependent ATPase homolog with a unique DEAQ motif variant and notable structural differences from canonical DEAD/H family members 1. While phylogenetically related to yeast pre-mRNA processing proteins suggesting a role in RNA metabolism 1, DQX1 lacks helicase motif III and likely does not possess helicase activity 1. The gene shows ubiquitous expression with highest levels in muscle and liver tissues 1. DQX1 has been implicated in multiple cancer contexts: it is downregulated in Kaposi's sarcoma tissues and functions as a potential regulator of viral transcription and gene expression 2, while serving as a prognosis-related RNA binding protein in renal cell carcinoma prognostic models 3. In lung squamous cell carcinoma, hypermethylation-driven downregulation of DQX1 associates with poor prognosis 4. Additionally, DQX1 methylation at cg06721411 shows significant association with type 2 diabetes in Arab populations 5. Recent studies suggest DQX1 may regulate alternative splicing events related to histone deacetylase inhibitor resistance in cutaneous T-cell lymphomas 6. These findings position DQX1 as a multifunctional RNA metabolism regulator with potential clinical significance in cancer and metabolic disease.