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Most cancers showed weak to moderate cytoplasmic positivity with additional nuclear staining in a few cases. Endometrial cancers and several gliomas were negative.
GENE INFORMATION
Gene name
MADD (HGNC Symbol)
Synonyms
DENN, KIAA0358, RAB3GEP
Description
MAP-kinase activating death domain (HGNC Symbol)
Entrez gene summary
Tumor necrosis factor alpha (TNF-alpha) is a signaling molecule that interacts with one of two receptors on cells targeted for apoptosis. The apoptotic signal is transduced inside these cells by cytoplasmic adaptor proteins. The protein encoded by this gene is a death domain-containing adaptor protein that interacts with the death domain of TNF-alpha receptor 1 to activate mitogen-activated protein kinase (MAPK) and propagate the apoptotic signal. It is membrane-bound and expressed at a higher level in neoplastic cells than in normal cells. Several transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Jul 2008]