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Antibody staining consistent with RNA expression data. Caution, the antibodies may recognize alternative splice forms and therefore show different subcellular locations.
Most cancers displayed moderate cytoplasmic and/or nuclear positivity. A few cases of lymphomas, colorectal, prostate, ovarian, endometrial, pancreatic and liver cancers showed strong positivity.
Cancers showed moderate to strong nuclear staining.
GENE INFORMATION
Gene name
DUT (HGNC Symbol)
Synonyms
dUTPase
Description
Deoxyuridine triphosphatase (HGNC Symbol)
Entrez gene summary
This gene encodes an essential enzyme of nucleotide metabolism. The encoded protein forms a ubiquitous, homotetrameric enzyme that hydrolyzes dUTP to dUMP and pyrophosphate. This reaction serves two cellular purposes: providing a precursor (dUMP) for the synthesis of thymine nucleotides needed for DNA replication, and limiting intracellular pools of dUTP. Elevated levels of dUTP lead to increased incorporation of uracil into DNA, which induces extensive excision repair mediated by uracil glycosylase. This repair process, resulting in the removal and reincorporation of dUTP, is self-defeating and leads to DNA fragmentation and cell death. Alternative splicing of this gene leads to different isoforms that localize to either the mitochondrion or nucleus. A related pseudogene is located on chromosome 19. [provided by RefSeq, Jul 2008]