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Moderate to strong cytoplasmic immunoreactivity was displayed in most cancer tissues. Renal cancers along with several squamous cell carcinomas and prostate cancers were weakly stained or negative.
Most cancer cells showed weak to moderate cytoplasmic and occasional nuclear positivity. Several cases of lymphomas, colorectal, urothelial and pancreatic cancers showed strong positivity. A majority of liver, renal, lung and skin cancers were negative.
GENE INFORMATION
Gene name
CISH (HGNC Symbol)
Synonyms
CIS, CIS-1, G18, SOCS
Description
Cytokine inducible SH2-containing protein (HGNC Symbol)
Entrez gene summary
The protein encoded by this gene contains a SH2 domain and a SOCS box domain. The protein thus belongs to the cytokine-induced STAT inhibitor (CIS), also known as suppressor of cytokine signaling (SOCS) or STAT-induced STAT inhibitor (SSI), protein family. CIS family members are known to be cytokine-inducible negative regulators of cytokine signaling. The expression of this gene can be induced by IL2, IL3, GM-CSF and EPO in hematopoietic cells. Proteasome-mediated degradation of this protein has been shown to be involved in the inactivation of the erythropoietin receptor. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Aug 2008]