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Estrogen Receptor (Marker of Estrogen Dependence) Antibody [ESR1/420]

In Stock
Catalog Number Formulation Size Price
2099-MSM4-P0
Purified Ab with BSA and Azide at 200ug/ml
20ug
$249.00
2099-MSM4-P1
Purified Ab with BSA and Azide at 200ug/ml
100ug
$539.00
2099-MSM4-P1ABX
Purified Ab WITHOUT BSA and Azide at 1.0mg/ml
100ug
$539.00
Flat Rate Domestic: $75 | Orders outside the US - Contact Us for Order Information | Ships next business day
Estrogen Receptor (Marker of Estrogen Dependence) Antibody

SDS-PAGE Analysis of Purified Estrogen Receptor Mouse Monoclonal Antibody (ESR1/420). Confirmation of Integrity and Purity of Antibody.

Applications & Dilutions

Applications Tested Dillution Protocol
Flow Cytometry (Flow)
1-2ug/million cells
Flow Cytometry Protocol
Immunofluorescence (IF)
1-3ug/ml

Summary

This MAb is specific to ER alpha and shows minimal cross-reaction with other members of the family. Epitope of this MAb is mapped between aa300-550. ER is an important regulator of growth and differentiation in the mammary gland. Presence of ER in breast tumors indicates an increased likelihood of response to anti-estrogen (e.g. tamoxifen) therapy.

Product Properties & Targets

Antibody Type
Mouse Monoclonals
Host
Mouse
Applications
Flow Cytometry, Immunofluorescence
Species Reactivity
Human
Research Areas
Breast Cancer, Cardiovascular, Infectious Disease, Ovarian Cancer, Signal Transduction, Transcription Factors
Isotype / Light Chain
IgG2a / Kappa
Cellular Localization
Cell membrane, Cytoplasm, Golgi apparatus, Nucleus
Gene Name
ESR1
Positive Control
MCF-7 cells.
Immunogen
Recombinant human ESR1 protein (aa290-560)
Alternate Names
Estrogen receptor, ER-alpha, Estradiol receptor, Nuclear receptor subfamily 3 group A member 1, Estrogen Receptor alpha delta 4*5,6,7*/654 isoform; Estrogen Receptor alpha delta 4 +49 isoform; Nuclear receptor subfamily 3 group A member 1

Database Links

Entrez Gene ID
2099
SwissProt
P03372

Additional Information

Clone
ESR1/420
Chromosome Location
6q25.1
Mol. Weight of Antigen
~67kDa

Related Antibodies

View All ESR1 Antibodies

Functions

  • Nuclear hormone receptor. The steroid hormones and their receptors are involved in the regulation of eukaryotic gene expression and affect cellular proliferation and differentiation in target tissues. Ligand-dependent nuclear transactivation involves either direct homodimer binding to a palindromic estrogen response element (ERE) sequence or association with other DNA-binding transcription factors, such as AP-1/c-Jun, c-Fos, ATF-2, Sp1 and Sp3, to mediate ERE-independent signaling. Ligand binding induces a conformational change allowing subsequent or combinatorial association with multiprotein coactivator complexes through LXXLL motifs of their respective components. Mutual transrepression occurs between the estrogen receptor (ER) and NF-kappa-B in a cell-type specific manner. Decreases NF-kappa-B DNA-binding activity and inhibits NF-kappa-B-mediated transcription from the IL6 promoter and displace RELA/p65 and associated coregulators from the promoter. Recruited to the NF-kappa-B response element of the CCL2 and IL8 promoters and can displace CREBBP. Present with NF-kappa-B components RELA/p65 and NFKB1/p50 on ERE sequences. Can also act synergistically with NF-kappa-B to activate transcription involving respective recruitment adjacent response elements; the function involves CREBBP. Can activate the transcriptional activity of TFF1. Also mediates membrane-initiated estrogen signaling involving various kinase cascades. Essential for MTA1-mediated transcriptional regulation of BRCA1 and BCAS3 (PubMed:17922032).
  • Involved in activation of NOS3 and endothelial nitric oxide production (PubMed:21937726). Isoforms lacking one or several functional domains are thought to modulate transcriptional activity by competitive ligand or DNA binding and/or heterodimerization with the full-length receptor (PubMed:10970861). Binds to ERE and inhibits isoform 1 (PubMed:10970861).

Key References

  • Zafrani B, et. al. Histopathology 2000; 37(6), 536-545.
  • Harvey JM, et. al. Journal of Clinical Oncology 1999; 17(5), 1474-1481.

PubMed Links

Storage & Stability

Antibody with azide - store at 2 to 8°C. Antibody without azide - store at -20 to -80°C. Antibody is stable for 24 months. Non-hazardous. No MSDS required.

Limitations

This antibody is available for research use only and is not approved for use in diagnosis.

Supplied as

200ug/ml of Ab purified from Bioreactor Concentrate by Protein A/G. Prepared in 10mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0mg/ml.

Warranty

There are no warranties, expressed or implied, which extend beyond this description. Company is not liable for any personal injury or economic loss resulting from this product.

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