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Moderate nuclear and cytoplasmic staining was observed in few gliomas, melanomas, testicular, skin, breast, endometrial and urothelial cancers. Remaining cancers were generally negative.
Cancer tissues showed weak to moderate nuclear staining. Few cases of gliomas, melanomas, skin, cervical, ovarian and breast cancers were strongly positive. Most cases of lymphomas, melanomas, urothelial, renal, pancreatic and liver cancers were negative.
Cancer tissues showed moderate to strong nuclear immunoreactivity. Several hepatocellular carcinomas and a few cases of lymphomas and melanomas were negative.
GENE INFORMATION
Gene name
DDX39B (HGNC Symbol)
Synonyms
BAT1, D6S81E, UAP56
Description
DEAD (Asp-Glu-Ala-Asp) box polypeptide 39B (HGNC Symbol)
Entrez gene summary
This gene encodes a member of the DEAD box family of RNA-dependent ATPases that mediate ATP hydrolysis during pre-mRNA splicing. The encoded protein is an essential splicing factor required for association of U2 small nuclear ribonucleoprotein with pre-mRNA, and it also plays an important role in mRNA export from the nucleus to the cytoplasm. This gene belongs to a cluster of genes localized in the vicinity of the genes encoding tumor necrosis factor alpha and tumor necrosis factor beta. These genes are all within the human major histocompatibility complex class III region. Mutations in this gene may be associated with rheumatoid arthritis. Alternative splicing results in multiple transcript variants. Related pseudogenes have been identified on both chromosomes 6 and 11. Read-through transcription also occurs between this gene and the upstream ATP6V1G2 (ATPase, H+ transporting, lysosomal 13kDa, V1 subunit G2) gene. [provided by RefSeq, Feb 2011]
Enzymes ENZYME proteins Hydrolases Transporters Primary Active Transporters Predicted intracellular proteins Plasma proteins Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
Enzymes ENZYME proteins Hydrolases Transporters Primary Active Transporters Predicted intracellular proteins Plasma proteins Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)