PS2 (TFF1/1091), 1mg/mL

About this product

This antibody recognizes a polypeptide of 6.5 kDa, identified as pS2 estrogen-regulated protein. Its epitope is located in the c-terminus 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.Primary antibodies are available purified, or with a selection of fluorescent CF® Dyes and other labels. CF® Dyes offer exceptional brightness and photostability. Note: Conjugates of blue fluorescent dyes like CF®405S and CF®405M are not recommended for detecting low abundance targets, because blue dyes have lower fluorescence and can give higher non-specific background than other dye colors.

Specifications

Catalog number

BNUM1091-50

Size / count

1x 50 µL

Dry ice

No

Hazardous

No

Discontinued

No

CAS Number

9007-83-4

Synonyms

BCEI, Breast Cancer Estrogen Inducible Protein, Gastrointestinal Trefoil Protein, Gastrointestinal trefoil protein pS2, HP1A, HPS2, pNR2, TFF1, Trefoil Factor 1

UNSPSC

41116161

UNSPSC Description

Primary and secondary antibodies for multiple methodology immunostaining detection application

Gene Name

TFF1

Gene ID

7031

NCBI Gene ID

162807

UniProt

P04155

Swiss Prot

P04155

Host

Mouse

Species Reactivity

Human, Monkey

Reactivity

PS2

Immunogen

A synthetic peptide from the C-terminus of human TFF1 protein.

Target Antigen

pS2

Clonality

Monoclonal

Clone

TFF1/1091

Type

Primary

Source

Animal

Origin

Animal

Applications

IHC, FFPE (verified)

Field of Research

Endocrinology

Positive Control

Breast or Ovarian carcinoma

Stability

2 years

Concentration

1 mg/mL

Buffer

PBS, no BSA, no azide

Molecular Weight

6.5 kDa

Shipping Conditions

RT (ND)

Storage Conditions

Stable at room temperature or 37°C (98°F) for 7 days.

Shelf Life

Guaranteed for at least 24 months from date of receipt when stored as recommended

Fragment

IgG1, kappa

Species

Mus musculus (mouse)

Classification

PBS, no BSA, no sodium azide (CAS 26628-22-8)

Conjugate

Purified, BSA-free