|Product Overview:||Native Human Cancer Antigen 19-9 was purified from Human Liver Metastases.|
|Description:||Cancer Antigen 19-9 is a tumor marker elevated in blood of patients with carcinoma of the gastro-intestinal tract. Primarily used distinguishing pancreatic cancer from pancreatitis, CA 19-9 is not sufficiently specific for use as a cancer screening test. The specificity for pancreatic cancer increases with increasing levels, high levels showing a specificity of >97% for tumor presence. CA 19-9 can be elevated in many types of gastrointestinal cancer, such as colorectal cancer, esophageal cancer and hepatocellular carcinoma.|
|Source:||Human Liver Metastases|
|Form:||Liquid in phosphate buffered saline, pH 7.4 with sucrose and 0.05% sodium azide|
|Bio-activity:||Typically > 500 kU/mL (Roche Elecsys EIA)|
|Storage:||Store at -20 centigrade.|
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