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Estrogen Receptor, alpha (Marker of Estrogen Dependence) Antibody [1D5]

In Stock
Catalog Number Formulation Size Price
2099-MSM13-P0
Purified Ab with BSA and Azide at 200ug/ml
20ug
$229.00
2099-MSM13-P1
Purified Ab with BSA and Azide at 200ug/ml
100ug
$519.00
2099-MSM13-P1ABX
Purified Ab WITHOUT BSA and Azide at 1.0mg/ml
100ug
$519.00
Flat Rate Domestic: $75 | Orders outside the US - Contact Us for Order Information | Ships next business day
Estrogen Receptor alpha Antibody in Immunohistochemistry (IHC (P))

Estrogen Receptor alpha Antibody in Immunohistochemistry (IHC (P))

Formalin-fixed, paraffin-embedded human Endometrial Carcinoma stained with Estrogen Receptor alpha Mouse Monoclonal Antibody (1D5).

Applications & Dilutions

Applications Tested Dillution Protocol Note
Immunohistochemistry (IHC)
1-2ug/ml
IHC Protocol
30 min at RT. Staining of formalin-fixed tissues requires heating tissue sections in 10mM Tris with 1mM EDTA, pH 9.0, for 45 min at 95°C followed by cooling at RT for 20 minutes

Summary

This MAb is specific to ER alpha and shows minimal cross-reaction with other members of the family. 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. It strongly stains nuclei of epithelial cells in breast carcinomas.

Product Properties & Targets

Antibody Type
Mouse Monoclonals
Host
Mouse
Applications
Immunohistochemistry
Species Reactivity
Human
Research Areas
Breast Cancer, Cardiovascular, Infectious Disease, Ovarian Cancer, Signal Transduction, Transcription Factors
Isotype / Light Chain
IgG1 / Kappa
Cellular Localization
Cell membrane, Cytoplasm, Golgi apparatus, Nucleus
Gene Name
ESR1
Positive Control
MCF-7 cells. Breast or Endometrial Carcinoma.
Immunogen
Recombinant human Estrogen Receptor alpha protein
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
1D5
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

Store at 2 to 8°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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