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WIG1 antibody [608-45]

Cat No. GTX10577

Host Mouse
Clonality Monoclonal
Clone Name 608-45
Isotype IgG1
Application WB, ICC/IF, ELISA
Reactivity Human, Mouse, Rat
Package
100 μl ($289)
APPLICATION

Application Note

*Optimal dilutions/concentrations should be determined by the researcher.
Application Dilution
WB 1:500
ICC/IF Assay dependent
ELISA Assay dependent
Not tested in other applications.

Calculated MW

32 kDa. ( Note )

Specificity/Sensitivity

Reacts specifically with PAG608. Recognizes an epitope present at the C-terminal 59 residues of the PAG608 molecule. Stains a strong band at approx. 25 kDa, representing a truncated protein, which probably stems from an alternative translation start from the Met21 of the PAG608 molecule and a weak band at 34 kDa. In some cell lines (e.g., NIH 3T3) a signal of approx. 20 kDa may also be detected.
PROPERTIES

Form

Liquid

Buffer

Ascites, 15 mM sodium azide

Storage

Store as concentrated solution. Centrifuge briefly prior to opening vial. For short-term storage (1-2 weeks), store at 4ºC. For long-term storage, aliquot and store at -20ºC or below. Avoid multiple freeze-thaw cycles.

Antigen Species

Rat

Immunogen

GST fusion protein containing the C-terminal 59 residues of rat PAG608.

Purification

Unpurified

Conjugation

Unconjugated

Note

For laboratory use only. Not for any clinical, therapeutic, or diagnostic use in humans or animals. Not for animal or human consumption.
TARGET

Synonyms

Zinc Finger, Matrin Type 3,Pag608,Wig1,Zmat3

Background

Human cancer is a multistep process in which accumulation of genetic damage occurs to key regulatory genes, known as oncogenes, and to tumorsuppressor genes. The wild-type (wt) p53 gene is classified as a tumor-suppressor gene (Levine et al). Point mutations in the wild-type gene has been suggested as a key event in the development of malignancy, since the mutant protein actually acts as a dominant oncogene. Indeed, mutations of the p53 gene are the most common molecular changes identified in human cancer; they have been reported to be a frequent feature of breast, lung, colon, ovarian, brain, testicular and bladder cancers, melanoma, neurofibrosarcoma and certain types of leukemia (Midgley et al). In all these cases, mutations are found only in the tumor tissue and not in the normal tissue. A major outcome of such mutations is inactivation of the biochemical and biological functions of the wt p53 protein (Bates et al). Among the biological effects elicited by wt p53, the most documented are cell cycle arrest, apoptosis and its ability to act as a transcriptional regulator. p53 is a transcription factor capable of binding in a sequence-specific manner to well defined DNA elements and inducing the transcription of genes residing in the vicinity of such p53 response elements (Israeli et al). Also, p53 can repress the transcription of many genes, although direct sequence specific interactions between p53 and these genes are generally not involved in this process. Sequence specific transactivation (SST) can either be obligatory or dispensable for apoptosis. Though, it is most likely that an optimal apoptotic effect of p53 requires a combination of both SST and other SST-independent biochemical activities. Among the target genes whose sequence-specific transactivation by wt p53 may promote apoptosis are: bax, the gene coding IGF-BP3, the mammalian homologue of the Drosophila seven in absentia gene, and PAG608. PAG608, a novel p53 target gene, encodes a nuclear zinc finger protein whose overexpression promotes apoptosis in transfected human tumor-derived cells. PAG608 exhibits a predominantly nuclear localization. The staining pattern of the transfected protein suggests that it is localized preferentially to nucleoli. This is compatible with a possible role in regulation of rRNA synthesis by mediating a particular inhibitory effects through interference with optimal production of new ribosomes. The conspicuous induction of PAG608 in cells undergoing p53-dependent apoptosis and its ability to promote apoptosis in transiently transfected cells, raises the possibility that it plays some role in facilitating the apoptotic activities of p53. Monoclonal antibodies reacting specifically with PAG608 may be applied in diverse cellular and molecular approaches for the study of nuclear processes and to elucidate the nature of the involvement and activity of zinc finger proteins.

Database

Research Area

REFERENCE
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Package List Price ($)
$ 289