Datasheet

EI24 Antibody
CATALOG NUMBER: 6487

Availability: In stock

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Specifications
Properties
Additional Info
Background

Specifications

SPECIES REACTIVITY:Human, Mouse, Rat
HOMOLOGY:Predicted species reactivity based on immunogen sequence: Bovine: (95%)
TESTED APPLICATIONS:ELISA, IHC-P, WB
APPLICATIONS:EI24 antibody can be used for detection of EI24 by Western blot at 1 - 2 μg/mL. Antibody can also be used for immunohistochemistry starting at 5 μg/mL.
USER NOTE:Optimal dilutions for each application to be determined by the researcher.
POSITIVE CONTROL:1) Cat. No. 1464 - Rat Liver Tissue Lysate
SPECIFICITY:At least two isoforms of EI24 are known to exist; this antibody will only detect the larger isoform.
IMMUNOGEN:EI24 antibody was raised against a 19 amino acid synthetic peptide near the carboxy terminus of human EI24.

The immunogen is located within the last 50 amino acids of EI24.
HOST SPECIES:Rabbit

Properties

PURIFICATION:EI24 Antibody is affinity chromatography purified via peptide column.
PHYSICAL STATE:Liquid
BUFFER:EI24 Antibody is supplied in PBS containing 0.02% sodium azide.
CONCENTRATION:1 mg/mL
STORAGE CONDITIONS:EI24 antibody can be stored at 4˚C for three months and -20˚C, stable for up to one year. As with all antibodies care should be taken to avoid repeated freeze thaw cycles. Antibodies should not be exposed to prolonged high temperatures.
CLONALITY:Polyclonal
ISOTYPE:IgG
CONJUGATE:Unconjugated

Additional Info

ALTERNATE NAMES:EI24 Antibody: EPG4, PIG8, TP53I8, p53-induced gene 8 protein
ACCESSION NO.:NP_004870
PROTEIN GI NO.:55956766
OFFICIAL SYMBOL:EI24
GENE ID:9538

Background

BACKGROUND:EI24 Antibody: The etoposide-induced 24 (EI24) protein is an immediate-early induction target of p53-mediated apoptosis and functions as a tumor suppressor. EI24 contains six transmembrane domains and is localized to the endoplasmic reticulum (ER). It binds to Bcl-2 and may contribute to apoptosis by modulating the activity and function of Bcl-2. EI24 is highly mutated in aggressive breast cancers and its loss in breast cancer tissue correlates with tumor invasiveness. Similar findings in invasive cervical carcinoma suggest that EI24 may be a promising therapeutic target in the treatment of invasive cancer.
REFERENCES: 1) Lehar SM, Nacht M, Jacks T, et al. Identification and cloning of EI24, a gene induced by p53 in etoposide-treated cells. Oncogene 1996; 12:1181-7.
2) Gu Z, Flemington C, Chittenden T, et al. ei24, a p53 response gene involved in growth suppression and apoptosis. Mol. Cell Biol. 2000; 20:233-41
3) Zhao X, Ayer RE, Davis SL, et al. Apoptosis factor EI24/PIG8 is a novel endoplasmic reticulum-localized Bcl-2-binding protein which is associated with suppression of breast cancer invasiveness. Cancer Res. 2005; 65:2125-9.
4) Mazumder D, Mitra S, Singh RK, et al. Inactivation of CHEK1 and EI24 are associated with the development of invasive cervical carcinoma: clinical and prognostic implications. Int. J. Cancer 2010; epub

For Research Use Only