Cancer antigen 19-9 (CA 19-9)
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Cancer antigen 19-9 (CA 19-9)
CA 19-9 is a tumor marker, which is also known as sialyl-LewisA and is attached to O-glycans on the surface of cells. Apart from being a pancreatic and gastrointestinal cancer marker, CA 19-9 is also used as an indicator for pancreatitis, cirrhosis and disease of the bile ducts
Host Species
Mouse
Target Species
Human
Purity
>95%
Format
Liquid
Source
Human Fluids
Application
Feasible for controls and calibrators in immunoassays
Purity Analysis
Part pure; Low cross contamination for CA 125, CA 15-3, CA 72-4, CEA, AFP and Ferritin is observed and cross contaminants are reported as activity of cross contaminants/activity of CA 19-9 in U/ml. The passing criteria is < 25 %, however, YBL tries to restrict the levels to < 10 % for cross contamination
Immunological Activity
Immunoreactivity is checked by ECLIA (Roche-Cobas)
Presentation
Liquid in 50mM Phosphate buffer pH 7.2 – 7.6 and 0.09 % w/v Sodium Azide
Donor Status
Healthy/Diseased
Storage
2-8°C in working aliquots
Other Information
CA 19-9 is stable for 3 years at 2-8°C
Viral Testing
The viral marker test negative for HBs-Ag, Anti-HCV, Anti-HIV (I and II) using CLIA (US-FDA approved). The antigen is also tested for the absence of viral DNA/RNA for HBV, HIV (I) and HCV using PCR technology
Material Safety Note
This product is not for human/animal consumption. Use only in in vitro research or products. All bio-safety precautions must be practiced while handling. Discard (if needed) as per local environmental regulation
