TFF1/pS2 Antibody (GE2 (same as R47/94)) [DyLight 650]


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Product Details

Reactivity Hu, PmSpecies Glossary
Applications WB
GE2 (same as R47/94)
Please see the vial label for concentration. If unlisted please contact technical services.

TFF1/pS2 Antibody (GE2 (same as R47/94)) [DyLight 650] Summary

Synthetic peptide of 28 amino acid residues corresponding to CFDDTVRGVPWCFYPNTIDVPPEEECEF (aa57-84) from the C-terminus of human pS2.
It recognizes a polypeptide of 6.5kDa, identified as pS2 estrogen-regulated protein. Its epitope is localized between aa57-84 of human pS2 protein. pS2 is a trefoil peptide. Trefoil peptides are protease resistant molecules secreted throughout the gut that play a role in mucosal healing. These peptides contain three intra-chain disulfide bonds, forming the trefoil motif, or P-domain. pS2 is known to form dimers and this dimerization is thought to play a role in its protective and healing properties. About 60% of breast carcinomas are positive for pS2. Staining is cytoplasmic, often with localization to the Golgi apparatus. pS2 is shown to be localized in normal stomach mucosa, gastric fluid, goblet cells in the colon and small intestine, and in ulcerations of the gastrointestinal tract. Several studies have shown that pS2 is primarily expressed in estrogen receptor-positive breast tumors and it may define a subset of estrogen-dependent tumors that displays an increased likelihood of response to endocrine therapy.
IgG1 Kappa
Protein A purified
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Packaging, Storage & Formulations

Store at 4C in the dark.
DyLight 650
DyLight 650 (A=652, E=672)
50mM Sodium Borate
0.05% Sodium Azide
Protein A purified


  • Western Blot
Application Notes
Immunohistochemistry [Staining of formalin/paraffin tissues REQUIRES digestion with Pronase E
Theoretical MW
6.5 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.

Reactivity Notes

Cynomolgus Monkey

Alternate Names for TFF1/pS2 Antibody (GE2 (same as R47/94)) [DyLight 650]

  • BCEI
  • BCEIbreast cancer, estrogen-inducible sequence expressed in
  • Breast cancer estrogen-inducible protein
  • breast cancer estrogen-inducible sequence
  • D21S21
  • gastrointestinal trefoil protein pS2
  • hP1.A
  • HPS2
  • PNR-2
  • Polypeptide P1.A
  • Protein pS2
  • PS2
  • trefoil factor 1
  • trefoil factor, BCE1, human pS2 induced by estrogen from human breast cancercell line M10HP1.A


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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Secondary Antibodies


Isotype Controls

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Contact Information

Product PDFs


Gene Symbol TFF1

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