TAG-72 Antibody (B72.3 + CA72/733) [DyLight 550]


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Product Details

Reactivity Hu, Rt, Bv, CaSpecies Glossary
Applications WB
B72.3 + CA72/733
Please see the vial label for concentration. If unlisted please contact technical services.

TAG-72 Antibody (B72.3 CA72/733) [DyLight 550] Summary

TAG-72 protein (B72.3 & CA72/733)
Cytoplasmic and cell surface
Recognizes an oncofetal antigen of 220kDa, identified as a tumor-associated glycoprotein (TAG-72) with properties of a mucin. This MAb defines the mucin-carried sialylated-Tn epitope. TAG-72 is usually expressed by adenocarcinomas, but is negative in mesotheliomas. Studies have reported that this antibody has 80% sensitivity and 93% specificity for pulmonary adenocarcinoma. Therefore, TAG-72 is a useful marker to distinguish between mesothelioma and adenocarcinoma. However, false positive reactions can occur so results must be interpreted with the utmost caution. This antibody may be useful in the differentiation of non-small cell carcinomas from small cell carcinomas of the lung. The combined use of anti-TAG-72 and anti-GCDFP-15 is valuable in the diagnosis of apocrine carcinoma.
Protein A purified
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Packaging, Storage & Formulations

Store at 4C in the dark.
DyLight 550
DyLight 550 (A=562, E=576)
50mM Sodium Borate
0.05% Sodium Azide
Protein A purified


  • Western Blot
Application Notes
Immunohistochemistry (No pretreatment is required for staining of formalin-fixed, paraffin-embedded tissues)
Theoretical MW
220 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Alternate Names for TAG-72 Antibody (B72.3 CA72/733) [DyLight 550]

  • CA 72-4
  • Protein TAG-72
  • tag 72
  • tag-72 Protein TAG-72


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Product General Protocols

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Video Protocols

WB Video Protocol

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