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Documentos Principais

SRP2163

Sigma-Aldrich

Estrogen Receptor human

recombinant, expressed in insect cells, ≥80% (SDS-PAGE)

Sinônimo(s):

DKFZp686N23123, ER, ESR, ESRA, Era, NR3A1

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About This Item

Código UNSPSC:
12352200
NACRES:
NA.26

fonte biológica

human

recombinante

expressed in insect cells

Ensaio

≥80% (SDS-PAGE)

Formulário

frozen liquid

peso molecular

~68 kDa

embalagem

pkg of 4 μg

condição de armazenamento

avoid repeated freeze/thaw cycles

concentração

200 μg/mL

cor

colorless to clear

nº de adesão NCBI

nº de adesão UniProt

Condições de expedição

dry ice

temperatura de armazenamento

−70°C

Informações sobre genes

human ... ESR1(2099)

Descrição geral

The gene ESR1 (estrogen receptor-alpha) encodes a member of the superfamily of nuclear hormone receptors that are essential for the functioning of female reproductive system. The gene is mapped to human chromosome 6q25.[1]

Ações bioquímicas/fisiológicas

Several members of the nuclear receptor family are directly associated with human malignancies including breast cancer, prostate cancer and leukemia. The pathogenesis of each of these diseases is underpinned by the activities of a member of the superfamily; estrogen receptor-alpha (ER alpha) in breast cancer, androgen receptor (AR) in prostate cancer, and retinoic acid receptor alpha (RAR alpha) in acute promyelocytic leukemia. Estrogen receptors (ER) are members of the superfamily of nuclear hormone receptors (2, 3) whose activity is required for the normal function of the female reproductive system. Two isoforms of estrogen receptor (ER α and ER β) have been described. They function as ligand-dependent transcriptional activators. The biological functions downstream of ER result from altered expression of direct transcriptional targets as well as secondary effects mediated by biological activities of direct targets. In the mammary gland, estrogen receptors regulate normal epithelial cell development and differentiation through their well-documented effects on transcription. Estrogens have long been known to have mitogenic functions in breast cancer cell lines and in breast tumors. Selective estrogen receptor modulatory compounds (SERMs), which bind directly to ER, can block the growth stimulatory function of estrogens.

forma física

Clear and colorless frozen liquid solution

Nota de preparo

Use a manual defrost freezer and avoid repeated freeze-thaw cycles. While working, please keep sample on ice.

Código de classe de armazenamento

10 - Combustible liquids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable


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Estrogen receptor alpha (ESR1) gene amplification is frequent in breast cancer.
Holst F
Nature Genetics, 39, 655-660 (2007)
Activating ESR1 mutations in hormone-resistant metastatic breast cancer.
Robinson DR
Nature Genetics, 45, 1446-1451 (2013)
Molecular mechanisms of action of steroid/thyroid receptor superfamily members.
M J Tsai et al.
Annual review of biochemistry, 63, 451-486 (1994-01-01)
Juan-Juan Yin et al.
International journal of nanomedicine, 10, 4717-4730 (2015-08-08)
Breast cancer is a leading killer of women worldwide. Cyclodextrin-based estrogen receptor-targeting drug-delivery systems represent a promising direction in cancer therapy but have rarely been investigated. To seek new targeting therapies for membrane estrogen receptor-positive breast cancer, an estrogen-anchored cyclodextrin
Hyo Jin Gim et al.
European journal of medicinal chemistry, 85, 107-118 (2014-08-01)
A series of azaisoflavone analogs were designed and synthesized and their transactivation activities and binding affinities for ERα and ERβ were investigated. Among these compounds, 2b and 3a were the most potent with 6.5 and 1.1 μM of EC50, respectively. Molecular

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