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GW22678

Sigma-Aldrich

Anti-ERB antibody produced in chicken

affinity isolated antibody, buffered aqueous solution

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

biological source

chicken

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

species reactivity

mouse, rat, human

manufacturer/tradename

Genway 15-288-22678

technique(s)

western blot: suitable

NCBI accession no.

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... ESR2(2100)

General description

Estrogen receptor β (ERB) belongs to a family of nuclear receptors, which function as regulators of homeostasis. There are two types of ER- ERα and ERβ, and ERs form the class I of nuclear receptors. They are normally sequestered as multi-protein complex in the cytoplasm, until activated by their ligands. It contains a DNA-binding domain, a hinge domain, and AF1 domain, and a ligand-binding domain. It has a high level of expression in normal breast cells.

Immunogen

Immunogen Sequence: GI # 10835013, sequence 1-150
Recombinant estrogen receptor β isoform 1

Application

Anti-ERB antibody produced in chicken is suitable for western blotting analysis at a dilution of 1:500, for tissue or cell staining at a dilution of 1:200.

Biochem/physiol Actions

Estrogen receptor β (ERB) functions as a transcription factor, and modulates the transcription of target genes, which are components of cell cycle including cyclins and proto-oncogenes. It activates growth-inhibitory genes and thus, functions in suppressing cell proliferation. It negates the activation of anti-apoptotic genes by ERα, via 17β-estradiol. It is inactivated in breast cancer (BC), which marks an important stage in the progression of BC, in an estrogen-dependent manner. The presence of this gene is BC has prognostic value for tamoxifen-treated patients, and might also have potential as a therapeutic target. Mitochondrial ERβ2 has anti-apoptotic functions, and thus predicts poor prognosis in serous ovarian cancer.

Physical form

Solution in phosphate buffered saline containing 0.02% sodium azide.

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Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


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Jordan M Reese et al.
BMC cancer, 14, 749-749 (2014-10-08)
The role and clinical value of ERβ1 expression is controversial and recent data demonstrates that many ERβ antibodies are insensitive and/or non-specific. Therefore, we sought to comprehensively characterize ERβ1 expression across all sub-types of breast cancer using a validated antibody
Alessandra Ciucci et al.
Human pathology, 46(8), 1138-1146 (2015-05-25)
We previously showed an unfavorable prognostic role of the cytoplasmic estrogen receptor β2 (cERβ2) in serous ovarian cancer. Here we aimed to investigate molecular determinants in cell survival function of cERβ2 in this malignant disease. We used immunohistochemistry to evaluate
Giovanni Nassa et al.
Molecular & cellular proteomics : MCP, 13(4), 1076-1090 (2014-02-15)
Estrogen receptor β (ERβ) is a member of the nuclear receptor family of homeostatic regulators that is frequently lost in breast cancer (BC), where its presence correlates with a better prognosis and a less aggressive clinical outcome of the disease.

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