XAF-1 Antibody

Product Specifications

Background

XAF-1 Antibody: XAF-1 binds to XIAP, an inhibitor of caspases-3, -7, and -9, and triggers its relocation from the cytosol to the nucleus. Overexpression of XAF-1 results in the neutralization of XIAP's ability to inhibit cell death. XAF-1 is normally expressed in all adult and fetal tissues but was found to be present in very low levels in a variety of cancer cell lines. In contrast, XIAP levels have been shown to be high in a majority of cell lines. Low XAF-1 and high basal expression of XIAP may therefore play a critical role in maintaining survival of cancer cell lines. Both IFN-alpha2 and IFN-beta can induce XAF-1 mRNA in all cells examined but induction of XAF-1 protein (as observed by immunoblot analysis) was seen only in cell lines sensitive to the apoptotic effects of IFNs.

NCBI Gene ID

54739

Swiss Prot

Q6GPH4

Accession Number

CAA68030

Host

Rabbit

Reactivity

Human

Clonality

Polyclonal

Conjugation

Unconjugated

Type

Primary Antibodies

Field of Research

Apoptosis

Purification

XAF-1 Antibody is affinity chromatography purified via peptide column.

Positive Control

Cat. No. 1303 - Human Brain Tissue Lysate

Concentration

1 mg/mL

Buffer

XAF-1 Antibody is supplied in PBS containing 0.02% sodium azide.

Modification

None

Shipping Conditions

Blue Ice

Storage Conditions

XAF-1antibody 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.

Fragment

IgG

Symbol

XAF1

NCBI Official Name

XIAP associated factor 1

NCBI Organism

Homo sapiens

Background Reference 01

Liston P, Fong W, Kelly NL, et al. Identification of XAF1 as an antagonist of XIAP anticaspase activity. Nature Cell Biol. 2001;3:128-33.

Background Reference 02

Deveraux QL, Takahashi R, Savesan GS, and Reed JC. X-linked IAP is a direct inhibitor of cell-death proteases. Nature 1997;388:300-4.

Background Reference 03

Fong WG, Liston P, Rajcan-Separovic E, et al. Expression and genetic analysis of XIAP-associated factor 1 (XAF1) in cancer cell lines. Genomics 2000;70:113-122.

Background Reference 04

Leaman DW, Chawla-Sarkar M, Vyas K, et al. Identification of X-linked inhibitor of apoptosis associated factor-1 as an interferon-stimulated gene that augments TRAIL/Apo2L-induced apoptosis. J. Biol. Chem. 2002;277:28504-11.