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Several cases of colorectal and endometrial cancers as well as a few cases of breast, prostate and skin cancer showed strong cytoplasmic immunoreactivity. Lymphomas were negative.
Lymphomas and gliomas as well as stomach, skin, testicular, pancreatic and head & neck cancers were generally negative. Remaining cancers displayed weak to moderate cytoplasmic and occasional nuclear immunoreactivity.
This gene encodes a transcription factor that induces expression of metallothioneins and other genes involved in metal homeostasis in response to heavy metals such as cadmium, zinc, copper, and silver. The protein is a nucleocytoplasmic shuttling protein that accumulates in the nucleus upon heavy metal exposure and binds to promoters containing a metal-responsive element (MRE). [provided by RefSeq, Jul 2008]