Cytokeratin 19 (KRT19) (Pancreatic Stem Cell Marker) [A53-B/A2.26]

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Summary

This MAb reacts with the rod domain of human cytokeratin-19 (CK19), a polypeptide of 40kDa. Its epitope maps between amino acid 312-335. CK19 is expressed in sweat gland, mammary gland ductal and secretory cells, bile ducts, gastrointestinal tract, bladder urothelium, oral epithelia, esophagus, and ectocervical epithelium. Anti-CK19 reacts with a wide variety of epithelial malignancies including adenocarcinomas of the colon, stomach, pancreas, biliary tract, liver, and breast. Perhaps the most useful application is the identification of thyroid carcinoma of the papillary type, although 50%-60% of follicular carcinomas are also labeled. Anti-CK19 is a useful marker for detection of tumor cells in lymph nodes, peripheral blood, bone marrow and breast cancer.

Product Properties & Targets

Host
Species Reactivity
Research Areas
Isotype
Gene Name
KRT19
Mol. Weight of Antigen
40kDa
Immunogen
Human breast cancer MCF-7 cells

Database Links

Entrez Gene ID
Unigene
SwissProt

Additional Information

Clone
A53-B/A2.26
Human Gene Symbol
KRT19
Chromosome Location
17q21.2

Known Applications & Suggested Dilutions

  • Flow Cytometry (0.5-1ug/million cells)
  • Immunofluorescence (1-2ug/ml)
  • Western Blot (1-2ug/ml)
  • Immunohistochemistry (Formalin-fixed) (1-2ug/ml for 30 minutes at RT) (Staining of formalin-fixed tissues requires heating tissue sections in 10mM Tris with 1mM EDTA, pH 9.0, for 45 min at 95&degC followed by cooling at RT for 20 minutes) Optimal dilution for a specific application should be determined.

Key References

  • Karsten et al., Eur.J.Cancer Clin. Oncol. 21(6), 733-740 (1985).

Storage & Stability

Antibody with azide - store at 2 to 8°C. Antibody without azide - store at -20 to -80°C. Antibody is stable for 24 months. Non-hazardous. No MSDS required.

Limitations

This antibody is available for research use only and is not approved for use in diagnosis.

Supplied as

200ug/ml of Ab purified from Bioreactor Concentrate by Protein A/G. Prepared in 10mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0mg/ml.

Warranty

There are no warranties, expressed or implied, which extend beyond this description. Company is not liable for any personal injury or economic loss resulting from this product.

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