Double homeobox 4 like 18 (DUX4L18)

DUX4L18 (Double homeobox 4 like 18) is listed in genetic databases as a pseudogene, meaning it is a non-functional genomic segment related to the DUX4 gene[4]. Unlike the functional DUX4, which is an important transcription factor implicated in early embryogenesis and diseases such as facioscapulohumeral muscular dystrophy (FSHD) and some leukemias[1][3][5], DUX4L18 does not encode an active protein and is not reported to have biological functions, molecular interactions, or disease relevance. Context and support: - DUX4L18 is a pseudogene: According to GeneCards and major genomic databases, DUX4L18 is annotated as a pseudogene and not linked to a functional protein product[4]. - DUX4 (not DUX4L18): DUX4 is a double homeobox transcription factor involved in embryonic gene regulation and the pathogenesis of FSHD[1][3][5]. Structural and functional studies center on the DUX4 protein, particularly its DNA binding domains and roles in chromatin regulation, not on pseudogenes like DUX4L18[1][3][5]. - No clinical, therapeutic, or drug interaction data are available or applicable for DUX4L18. Remarks: - The confusion likely arises from the similarity in nomenclature to DUX4, a well-studied therapeutic target. Only DUX4—not DUX4L18—has established disease and biological relevance[1][3][5]. - The canonical and scientific name for DUX4L18 should be maintained as "Double homeobox 4 like 18 (DUX4L18)" with pseudogene status. - No molecular classification, function, disease association, biomarkers, drug interactions, or safety concerns apply to DUX4L18. If your query was intended to refer to the functional DUX4, please clarify—the above facts strictly pertain to "DUX4L18."

Other names

DUXY2DUX4L18