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Key Documents

M1320

Sigma-Aldrich

Anti-MTA1 antibody, Mouse monoclonal

clone MTA1-213, purified from hybridoma cell culture

Synonym(s):

Anti-Metastasis-associated Gene 1, Anti-NuRD-70

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About This Item

MDL number:
UNSPSC Code:
12352203
NACRES:
NA.41

biological source

mouse

conjugate

unconjugated

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

MTA1-213, monoclonal

form

buffered aqueous solution

mol wt

75-80 kDa

species reactivity

mouse, human, canine, rat

concentration

~2 mg/mL

technique(s)

immunocytochemistry: suitable
immunoprecipitation (IP): suitable
microarray: suitable
western blot: 1-2 μg/mL using HeLa cell nuclear extract

isotype

IgG1

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... MTA1(9112)
mouse ... Mta1(116870)
rat ... Mta1(64520)

General description

Monoclonal Anti-MTA1 (mouse IgG1 isotype) is derived from the hybridoma MTA1-213 produced by the fusion of mouse myeloma cells (NS1 cells) and splenocytes from BALB/c mice immunized with a synthetic peptide of human MTA1. Metastasis-associated genes (MTAs) comprise a novel gene family with a growing number of members. Currently, there are three known genes encoding for six isoforms, MTA1, MTA1S, MTA-ZG29p, MTA2/MTA1L1, MTA3, and MTA3L. MTA1, also known as NuRD-70, was originally identified in rat metastatic adenocarcinomas as a differentially expressed gene. It encodes a 715 amino acid protein that shares about 70% overall homology to human MTA2 and MTA3 proteins, the C-terminus being more divergent than the N-terminus.

Immunogen

synthetic peptide corresponding to amino acids 626-641 of human MTA1.

Application

Monoclonal Anti-MTA1 antibody produced in mouse has been used in enzyme linked immunosorbent assay (ELISA), immunoblotting, immunoprecipitation and immunocytochemistry.

Biochem/physiol Actions

Metastasis associated gene 1 (MTA1) is associated with cancer metastasis. MTA1 interacts with the deacetylases within the nuclear remodeling and deacetylation complexes Mi2/ nucleosome remodelling and histone deacetylation (NuRD) suggesting that it is involved in transcriptional repression. MTA1 interacts with cyclin-dependent kinase-activating kinase (CAK), a component of the transcription factor (TFIIH) regulatory complex and act as a signal transducer to mediate crosstalk between corepressor complexes and the general transcription machinery. MTA1 transcriptionally represses estrogen receptor (ER), having serious implications for the development of an aggressive breast cancer phenotype. MTA1s localizes in the cytoplasm and sequesters ER in the cytoplasm, preventing ligand-induced translocation of ER and stimulating malignant phenotypes.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class Code

10 - Combustible liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Tumor metastasis-associated human MTA1 gene: its deduced protein sequence, localization, and association with breast cancer cell proliferation using antisense phosphorothioate oligonucleotides
Nawa A, et al.
Journal of Cellular Biochemistry, 79(2), 202-212 (2000)
The metastasis-associated proteins 1 and 2 form distinct protein complexes with histone deacetylase activity
Yao YL and Yang WM
The Journal of Biological Chemistry, 278(43), 42560-42568 (2003)
Transcriptional repression of oestrogen receptor by metastasis-associated protein 1 corepressor
Mazumdar A, et al.
Nature Cell Biology, 3(1), 30-30 (2001)
MTA1 interacts with MAT1, a cyclin-dependent kinase-activating kinase complex ring finger factor, and regulates estrogen receptor transactivation functions
Talukder AH, et al.
The Journal of Biological Chemistry, 278(13), 11676-11685 (2003)

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