TAG-72 Antibody

CAT: 0013-GTR18081139-01Size: 20 µgDry Ice: NoHazardous: No

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CAT#:0013-GTR18081139-01Size:20 µg

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Description

This antibody recognizes an oncofetal antigen of 220kDa, identified as a tumor-associated glycoprotein (TAG-72) with properties of a mucin. This antibody 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 TAG-72 Ab with a GCDFP-15 Ab is valuable in the diagnosis of apocrine carcinoma.

Reactivity

Human

Immunogen

The membrane-enriched fraction of a human breast carcinoma liver metastasis was used as the immunogen for this TAG-72 antibody.

Clonality

Monoclonal

Clone

B72.3

Conjugation

Unconjugated

Purification

Protein G affinity chromatography

Dilution

Flow cytometry: 0.5-1ug/10^6 cells, Immunofluorescence: 1-2ug/ml, Immunohistochemistry (FFPE) : 0.5-1ug/ml for 30 min at RT

Storage Conditions

Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.

Notes

For research use only.

Applications Notes

The concentration stated for each application is a general starting point. Variations in protocols, secondaries and substrates may require the TAG-72 antibody to be titered up or down for optimal performance.1. HIER: boil tissue sections in pH 9 10mM Tris with 1mM EDTA for 10-20 min followed by cooling at RT for 20 min.2. The prediluted format is supplied in a dropper bottle and is optimized for use in IHC. After epitope retrieval step (if required), drip mAb solution onto the tissue section and incubate at RT for 30 min.

Tested Applications

FACS, IF, IHC-P

Host or Source

Mouse

Preservative

0.2 mg/ml in 1X PBS with 0.1 mg/ml rAlbumin and 0.05% sodium azide

Isotype

Mouse IgG1, kappa

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Alternative Products

Catalog	Name
V9014IHC-7ML	TAG-72 Antibody
138595-AF	TAG-72 (Tumor-associated Glycoprotein 72, TAG 72)

TAG-72 Antibody

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