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DEAD-box helicase 19B and DEAD-box helicase 19A readthrough (see details under is_incorrect) (DDX19B/DDX19A readthrough (no universally accepted abbreviation))
- Target
- DDX19B/DDX19A readthrough (no universally accepted abbreviation)
- Molecular classification
- Enzyme (RNA helicase), RNA-binding protein, DEAD-box protein subfamily
01
Overview
DEAD-box helicase 19B and DEAD-box helicase 19A are highly similar ATP-dependent RNA helicases that participate in mRNA export from the nucleus, translation termination, and ribonucleoprotein complex remodeling. They are characterized by the DEAD (Asp-Glu-Ala-Asp) motif and are crucial for RNA metabolism and cell growth. While DDX19A and DDX19B are separately expressed and functionally documented, the existence of a stable readthrough product is unsubstantiated in biological literature. DDX19A is implicated in cancer progression and immune response, whereas DDX19B primarily functions in mRNA export and translation control[1][2][3][4].
- Other names
- DDX19B/DDX19ADEAD-box helicase 19B/19ADDX19B-DDX19A fusion
02
Mechanism of action
Not applicable (no drugs known to act specifically by modulation or inhibition of DDX19B/DDX19A fusion; for the constituent helicases, mechanisms would involve interference with ATPase or helicase activity)
03
Biological functions
mRNA export from nucleusRemodeling of ribonucleoprotein particlesRegulation of translation termination and elongationRNA secondary structure alterationCell growth and division
04
Disease associations
Cancer (e.g., DDX19A promotes gastric cancer proliferation/migration)Inflammation (DDX19A as cytosolic RNA sensor in inflammasome activation)Other (any disorder linked to aberrant RNA metabolism)
05
Safety considerations
Not applicable (no therapeutic interventions or clinical trials known)
06
Biomarkers
None specific; DDX19A expression linked to certain cancers (gastric cancer)
Beyond the preview
Go deeper on DEAD-box helicase 19B and DEAD-box helicase 19A readthrough (see details under is_incorrect) (DDX19B/DDX19A readthrough (no universally accepted abbreviation)).
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