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CD66e (human) monoclonal antibody (26/3/13)

 
ALX-805-077-C100 100 µg 323.00 USD
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Product Specification

Alternative Name:CEACAM5, CEA, Carcinoembryonic antigen
 
Clone:26/3/13
 
Host:Mouse
 
Isotype:IgG1
 
Immunogen:CD66e (CEACAM5; CEA) partially purified from a perchloric acid extract from liver metastases of colonic tumors.
 
UniProt ID:P06731
 
Species reactivity:Human
 
Crossreactivity:Does not cross-react with human CEACAM1, 3, 4, 6, 7, 8 or PSG.
 
Applications:ELISA, Flow Cytometry, IHC (FS), WB
 
Purity Detail:Protein G-affinity purified.
 
Quality Control:Routinely tested by flow cytometry on BOSC cells transiently transfected with a CD66e expression vector.
 
Formulation:Liquid. In PBS, pH 7.2, containing 0.01% sodium azide.
 
Handling:For maximum product recovery after thawing, centrifuge the vial before opening the cap. Avoid freeze/thaw cycles.
 
Shipping:Shipped on Blue Ice
 
Short Term Storage:+4°C
 
Long Term Storage:-20°C
 
Scientific Background:CD66e (CEACAM5; CEA) belongs to the carcinoembryonic antigen (CEA) gene family. It encodes a glycosyl phosphatidyl inositol (GPI)-linked glycoprotein with a Mr of 180'000-200'000 which is most strongly expressed on epithelial cells of the fetal and adult colon and to a minor extent on epithelial cells of the stomach and sweat glands, squamous epithelial cells of the tongue, esophagus and cervix. CD66e is used as a tumor marker for early detection of recurrent disease due to its expression in adenocarcinomas of the colon, lung, breast, stomach and pancreas and in mucinous ovarian carcinomas. Like all members of the CEACAM family, it consists of a single N domain, with structural homology to the immunoglobulin variable domains, followed by six immunoglobulin constant-like A (A1, A2, A3) and B domains (B1, B2, B3).
 
ALX-805-077
Specificity testing of 26/3/13 (Prod. No. ALX-805-077). Members of the CEA family were expressed on BOSC cells after transient transfection with expression vectors containing either the cDNA of CEACAM1, 5, 6, 7 or 8. Recognition of CEACAM3, 4 and of a recombinant transmembrane-anchor-ed PSG1 fusion protein was tested on stably transfected HeLa (CEACAM3, PSG) and CHO cells (CEACAM4), respectively. Expression of the constructs was confirmed with monoclonal antibodies known to recognize the corresponding proteins (CEACAM1, 3, 4, 5 and 6: D14HD11 (Prod. No. ALX-805-080); CEACAM7: CAC2; CEACAM8: TET2; PSG: BAP1; green curves). An irrelevant monoclonal antibody served as a negative control (black curves). For specificity testing, protein G purified 26/3/13 was tested on all CEACAM transfectants. A positive signal was only obtained with CEACAM5 expressing cells (red curves).
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ALX-805-077

Product Literature References

Carcinoembryonic antigen family members CEACAM6 and CEACAM7 are differentially expressed in normal tissues and oppositely deregulated in hyperplastic colorectal polyps and early adenomas: S. Scholzel, et al.; Am. J. Pathol. 156, 595 (2000), Abstract; Full Text
CEA-related proteins on human urothelial cell lines of different transformation grades: A. Krop-Watorek, et al.; Cancer Lett. 139, 15 (1999), Abstract;
CD66 family workshop: binding of myeloid blind panel antibodies and CD66 Subsection antibodies to HeLa transfectants expressing individual CD66 molecules: F. Grunert, et al.; Leukocyte Typing VI: White cell Differentiation Antigens (T. Kishimoto, et al., eds.), Garland Publishing Inc., New York and London 1012 (1996),
A polymerase-chain-reaction assay for the specific identification of transcripts encoded by individual carcinoembryonic antigen (CEA)-gene-family members: J. Thompson, et al.; Int. J. Cancer 55, 311 (1993), Abstract;
Effects of human bone marrow stroma on the growth of human tumor cells: E.S. Strobel, et al.; Cancer Res. 49, 1001 (1989), Abstract;
Two CEA and three NCA species, although distinguishable by monoclonal antibodies, have nearly identical peptide patterns: F. Grunert, et al.; Int. J. Cancer 36, 357 (1985), Abstract;

General Literature References

Carcinoembryonic antigen: W. Zimmermann; Wiley Encyclopedia of Molecular Medicine (T. Creighton, ed.), John Wiley & Sons Inc., New York 459 (2002),
The carcinoembryonic antigen (CEA) family: structures, suggested functions and expression in normal and malignant tissues: S. Hammarström; Semin. Cancer Biol. 9, 67 (1999), (Review), Abstract;
Carcinoembryonic antigen gene family: molecular biology and clinical perspectives: J.A. Thompson, et al.; J. Clin. Lab. Anal. 5, 344 (1991), (Review), Abstract;

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