Date published: 2025-10-19

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Estrogen Receptor alpha Antibody (D-12): sc-8005

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Datasheets
  • Estrogen Receptor alpha Antibody (D-12) is a mouse monoclonal IgG2a κ, cited in 290 publications, provided at 200 µg/ml
  • raised against amino acids 2-185 mapping at the N-terminus of Estrogen Receptor alpha of human origin
  • Anti-Estrogen Receptor alpha Antibody (D-12) is recommended for detection of Estrogen Receptor alpha of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA
  • Anti-Estrogen Receptor alpha Antibody (D-12) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to TRITC for IF, IHC(P) and FCM
  • TransCruz reagent for Gel Supershift and ChIP applications (sc-8005 X, 200 µg/0.1 ml)
  • m-IgG Fc BP-HRP and m-IgG2a BP-HRP are the preferred secondary detection reagents for Estrogen Receptor alpha Antibody (D-12) for WB and IHC(P) applications. These reagents are now offered in bundles with Estrogen Receptor alpha Antibody (D-12) (see ordering information below).

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Estrogen Receptor alpha Antibody (D-12) is a mouse monoclonal IgG2a kappa light chain antibody raised against amino acids 2-185 mapping at the N-terminus of human Estrogen Receptor alpha (ERα). ERα monoclonal antibody (D-12) detects ERα of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry on paraffin-embedded sections (IHCP), and enzyme-linked immunosorbent assay (ELISA). ERα protein is primarily located in the nucleus of estrogen-responsive cells, where ERα functions as a ligand-activated transcription factor belonging to the steroid/thyroid hormone receptor superfamily. Nuclear localization of ERα is crucial because ERα allows direct interaction with DNA at estrogen response elements (EREs), regulating transcription of genes involved in cell proliferation, differentiation, and reproductive functions. This localization is essential for mediating physiological effects of estrogen, including normal sexual development and reproductive health. Mislocalization or dysregulation of ERα can lead to altered gene expression and is associated with various diseases, such as hormone-dependent cancers like breast cancer. ERα monoclonal antibody (D-12) is available in both non-conjugated and multiple conjugated forms, including HRP, FITC, agarose, PE, and various Alexa Fluor® conjugates, providing versatility for a wide range of research applications in studying ERα′s function, localization, and role in disease.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Estrogen Receptor alpha Antibody (D-12)

sc-8005
200 µg/ml
$316.00

Estrogen Receptor alpha Antibody (D-12): m-IgG Fc BP-HRP Bundle

sc-525445
200 µg Ab; 10 µg BP
$354.00

Estrogen Receptor alpha Antibody (D-12): m-IgG2a BP-HRP Bundle

sc-546259
200 µg Ab; 10 µg BP
$354.00

Estrogen Receptor alpha Antibody (D-12) X

sc-8005 X
200 µg/0.1 ml
$316.00

Estrogen Receptor alpha Antibody (D-12) AC

sc-8005 AC
500µg/1ml, 25% agarose
$416.00

Estrogen Receptor alpha Antibody (D-12) HRP

sc-8005 HRP
200 µg/ml
$316.00

Estrogen Receptor alpha Antibody (D-12) FITC

sc-8005 FITC
200 µg/ml
$330.00

Estrogen Receptor alpha Antibody (D-12) PE

sc-8005 PE
200 µg/ml
$343.00

Estrogen Receptor alpha Antibody (D-12) Alexa Fluor® 488

sc-8005 AF488
200 µg/ml
$357.00

Estrogen Receptor alpha Antibody (D-12) Alexa Fluor® 546

sc-8005 AF546
200 µg/ml
$357.00

Estrogen Receptor alpha Antibody (D-12) Alexa Fluor® 594

sc-8005 AF594
200 µg/ml
$357.00

Estrogen Receptor alpha Antibody (D-12) Alexa Fluor® 647

sc-8005 AF647
200 µg/ml
$357.00

Estrogen Receptor alpha Antibody (D-12) Alexa Fluor® 680

sc-8005 AF680
200 µg/ml
$357.00

Estrogen Receptor alpha Antibody (D-12) Alexa Fluor® 790

sc-8005 AF790
200 µg/ml
$357.00

Estrogen Receptor alpha Antibody (D-12) TRITC

sc-8005 TRITC
200 µg/ml
$320.00

I would like to know if this antibody recognize the whole sequence from 2- 185, or just part of the sequence within?

Asked by: Anonymous
Thank you for your question. Estrogen Receptor alpha Antibody (D-12): sc-8005 was raised against amino acids 2-185 mapping at the N-terminus of Estrogen Receptor alpha of human origin. Its binding site is one specific point within this epitope region.
Answered by: Tech Support Europe
Date published: 2020-07-02

Hi, I want to do IHC for formalin fixed rat mammary gland, does this antibody work for rat tissues by IHC?

Asked by: Yanrong
Thank you for your question. Yes, this antibody is recommended for IHC(P) in mouse, rat and human tissues.
Answered by: Technical Support
Date published: 2019-08-17

Can we use this antibody for IF and IHC staining in paraffin-embedded mouse tissues?

Asked by: YuHsin
Thank you for your question. ERα Antibody (D-12): sc-8005 is recommended for detection of ERα of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA, so using it for IF or IHC(P) staining should work well. For published data with this antibody in murine tissues and IHC(P) please see PMID 19332863 or PMID 22992387.
Answered by: Tech Support Europe
Date published: 2019-07-03

Can we use this antibody in rat brain samples for W.B. Immunoflourescence in frozen sections?

Asked by: Rukmani p
Thank you for your question. This mouse monoclonal antibody, ERα (D-12): sc-8005, is suitable for Western blotting (WB) and immunoflourescence (IF) in frozen tissues of rat origin. We have not tested this antibody specifically in rat brain tissue samples. Please refer to the data on our website for our recommended positive controls to include when testing this antibody in your samples.
Answered by: Technical Support
Date published: 2017-08-03

Can I use this antibody for immunoprecipitation of ER alpha from mouse brain?

Asked by: Victor86
Thank you for your question. This mouse monoclonal antibody, ERα (D-12): sc-8005, can be used for immunoprecipitation (IP) in mouse samples. We are not aware of any specific publications citing use of the antibody to IP ER alpha from brain tissue samples, but it has been successfully used for IP in both human and mouse cell lines.
Answered by: Technical Support
Date published: 2017-05-18

I need to use an antibody to detect the protein in samples of canineorigin. Do you know if this mouse monoclonal antibody will work?

Asked by: jerojero
Please contact our Technical Service Department and we would be happy to perform sequence analysis and review our data to answer any questions you may have about additional species reactivity.
Answered by: Tech Service 3
Date published: 2016-12-21

Can I use this mouse monoclonal antibody for immunohistochemical staining of mouse tissue?

Asked by: DefinitelyNotMatt
Thank you for your question. Yes. We recommend using a directly conjugated mouse monoclonal primary antibody. This antibody is currently available conjugated to Fluorescein (sc-8005 FITC) and TRITC (sc-8005 TRITC). Please contact Technical Service if you have further questions concerning this product.
Answered by: Tech Service 9
Date published: 2016-12-15

What is the recommended secondary reagent to be used with this mouse monoclonal primary?

Asked by: DefinitelyNotMatt
Thank you for your question. We recommend using one our exclusive Mouse IgG Binding Proteins as a secondary detection reagent. A complete list of available binding proteins is available on our website here: https://www.scbt.com/scbt/browse/support-products-mouse-igg-binding-proteins/_/N-ecrety Please contact Technical Service if you have further questions concerning this product.
Answered by: Tech Service 9
Date published: 2016-12-15
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Rated 5 out of 5 by from Great IHC results on mouse brain tiisueAntigen retrieval with TE buffer works really great!
Date published: 2022-07-31
Rated 5 out of 5 by from Great ProductAn excellent product for the lab's research. Highly recommended for future uses.
Date published: 2022-07-13
Rated 3 out of 5 by from Ok, it workedWe tried the free sample on wester blot at the suggested dilution 1:200 on mouse samples. It worked, but compared to the old policlonal MC-20the result isn't good as before.
Date published: 2021-12-21
Rated 4 out of 5 by from ChIPWorking well so far for my current ChIP experiments.
Date published: 2020-12-28
Rated 3 out of 5 by from good antibodygood antibody for western blotting and also immunofluorescence
Date published: 2019-01-21
Rated 2 out of 5 by from Unsure of molecular weight in Western blotA very faint band showed up at the correct molecular weight. A brighter band showed up at the incorrect molecular weight. Western Blot (1:100) in rat white adipose tissue.
Date published: 2018-09-12
Rated 4 out of 5 by from Good antibodyI tried it on cultured human cells on IF (1:100, 1:200), both concentration worked.
Date published: 2018-04-07
Rated 5 out of 5 by from GreatI had great signal for ICC on Human breast cancer cell lines.
Date published: 2018-02-27
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Estrogen Receptor alpha Antibody (D-12) is rated 3.9 out of 5 by 24.
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