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You are here:Home » Antibodies » Abs to Cancer Markers » Anti -CA125 (Mucin-16, MUC-16, Ovarian Cancer-related Tumor Marker CA125, CA-125, Ovarian Carcinoma Antigen CA125, MUC16)

Anti -CA125 (Mucin-16, MUC-16, Ovarian Cancer-related Tumor Marker CA125, CA-125, Ovarian
Carcinoma Antigen CA125, MUC16)

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Specifications

Clone Host Grade Applications
Monoclonal Mouse Affinity Purified B IH
MUC16/CA125 antigen is a serum marker that is used routinely in gynecologic practice to monitor patients with ovarian cancer. It is a mullerian duct differentiation antigen that is overexpressed in epithelial ovarian cancer cells and secreted into the blood, although its expression is not entirely confined to ovarian cancer. Most biochemical studies have concluded that MUC16/CA125 is a high molecular mass glycoprotein.
Catalog #C0050-17J
According to the ISOBM-TD-1 workshop, CA125 contains three antigenic domains A-domain (Oc125), B-domain (M11), C-Domain (Ov197). The CA-125 antigen is present on a mucin-like glycoprotein of >200kD and is detectable on the apical surface of normal endometrium and endocervix.
CA 125, a high-molecular-weight mucin, was first defined in 1981 by the monoclonal antibody OC125. It is a large glycoprotein which is anchored to the epithelium by a transmembrane domain and is released into the extracellular space by enzymatic cleavage. CA 125 is composed of an N-terminal domain, a tandem repeat region, and a short cytoplasmic tail. The N-terminal domain consists of 1637aa, the tandem repeat domain is made up of 4060 repeats of 156aa which encompass an interactive disulfide bridged cysteine-loop and the site of OC125 and M11 binding and the cytoplasmic tail of CA125 consists of 256aa. It is also highly enriched in serine and threonine residues, consistent with its recent designation as the MUC16 mucin. The gene encoding the glycoprotein CA125 maps to 19p13.2 region of human chromosome.
ApplicationsSuitable for use in Western Blot and Immunohistochemistry. Other applications not tested.
Recommended DilutionWestern Blot: 2.5-5ug/ml
Immunohistochemistry: 1:50 for 30 min at room temperature
Staining of formalin-fixed tissues requires boiling tissue sections in 10 mM citrate buffer, pH 6.0, for 10 min followed by cooling at room temperature for 20 min
Optimal dilutions to be determined by the researcher.
Positive ControlColon carcinoma
Storage and StabilityMay be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for at least 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Clone TypeMonoclonal
IsotypeIgG1
Clone No2D21
HostMouse
SourceHuman
Concentration~0.1mg/ml
FormSupplied as a liquid in PBS, pH 7.4, 0.2% BSA, 0.05% sodium azide.
PurityPurified by Protein G affinity chromatography.
ImmunogenOvarian cancer cell line
SpecificityRecognizes human CA125.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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