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Most melanomas as well as several lung adenocarcinomas, non-hodgkins lymphomas, prostate and pancreatic cancers showed strong cytoplasmic immunoreactivity. Cancer tissues in general were weakly stained or negative.
A majority of tumor cells were negative. Moderate to strong cytoplasmic immunoreactivity was observed in prostate cancers, melanomas and adenocarcinomas of the lung.
GENE INFORMATION
Gene name
CD63 (HGNC Symbol)
Synonyms
ME491, MLA1, TSPAN30
Description
CD63 molecule (HGNC Symbol)
Entrez gene summary
The protein encoded by this gene is a member of the transmembrane 4 superfamily, also known as the tetraspanin family. Most of these members are cell-surface proteins that are characterized by the presence of four hydrophobic domains. The proteins mediate signal transduction events that play a role in the regulation of cell development, activation, growth and motility. The encoded protein is a cell surface glycoprotein that is known to complex with integrins. It may function as a blood platelet activation marker. Deficiency of this protein is associated with Hermansky-Pudlak syndrome. Also this gene has been associated with tumor progression. Alternative splicing results in multiple transcript variants encoding different protein isoforms. [provided by RefSeq, Apr 2012]