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Most cancer cells displayed moderate cytoplasmic immunoreactivity. Strong nuclear and cytoplasmic staining was observed in lymphomas, most colorectal cancers along with several lung, urothelial and pancreatic cancers.
Strong cytoplasmic staining in a few cases was combined with nuclear positivity was observed in prostate cancers, cervical squamous cell carcinomas and cholangiocarcinomas as well as a few serous ovarian cystadenocarcinomas. Remaining malignant cells generally showed moderate immunoreactivity.
This gene product belongs to the 14-3-3 family of proteins which mediate signal transduction by binding to phosphoserine-containing proteins. This highly conserved protein family is found in both plants and mammals, and this protein is 99% identical to the mouse and rat orthologs. This gene is upregulated in patients with amyotrophic lateral sclerosis. It contains in its 5' UTR a 6 bp tandem repeat sequence which is polymorphic, however, there is no correlation between the repeat number and the disease. [provided by RefSeq, Jul 2008]