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A few cases of prostate, lung, pancreatic, colorectal, ovarian, endometrial and breast cancers showed weak to moderate nuclear staining. Remaining cancer cells were generally negative.
GENE INFORMATION
Gene name
RNPS1
Synonyms
Description
RNA binding protein S1, serine-rich domain (HGNC Symbol)
Entrez gene summary
This gene encodes a protein that is part of a post-splicing multiprotein complex involved in both mRNA nuclear export and mRNA surveillance. mRNA surveillance detects exported mRNAs with truncated open reading frames and initiates nonsense-mediated mRNA decay (NMD). When translation ends upstream from the last exon-exon junction, this triggers NMD to degrade mRNAs containing premature stop codons. This protein binds to the mRNA and remains bound after nuclear export, acting as a nucleocytoplasmic shuttling protein. This protein contains many serine residues. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Nov 2013]