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Tumor-associated glycoprotein 72
Tumor-associated glycoprotein 72 (TAG-72) is a glycoprotein found on the surface of many cancer cells, including ovary, breast, colon, lung, and pancreatic cancers.〔(TAG-72 antigen ) entry in the public domain NCI Dictionary of Cancer Terms〕 It is a mucin-like molecule with a molar mass of over 1000 kDa.
TAG-72 is a tumor marker and can be measured with radioimmunoassays like CA 72-4, which uses indium (111In) satumomab pendetide and iodine (125I) CC49 monoclonal antibody. This assay has a good specificity for gastric cancer, with a correlation to the neoplasia's extension. It is used to identify relapses of the disease and to follow up the treatment.
TAG-72 is also the target of the anti-cancer drugs anatumomab mafenatox and minretumomab.
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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