bs-3130R [Primary Antibody]
Estrogen Receptor alpha (S118) Antibody
www.biossusa.com
[email protected]
800.501.7654 [DOMESTIC]
+1.781.569.5821 [INTERNATIONAL]
DATASHEET

Host: Rabbit

Target Protein: Estrogen Receptor alpha Ser118

Specificity: This will detect Isoform 1 & 2. This phosphorlyation site is homologous to the Ser122 in Mouse and Ser123 in Rat.

Modification Site: Ser118

Clonality: Polyclonal

Isotype: IgG

Entrez Gene: 2099

Swiss Prot: P03372

Source: KLH conjugated synthetic phosphopeptide derived from human ER alpha around the phosphorylation site of Ser118

Purification: Purified by Protein A.

Storage Buffer: 0.01M TBS(pH7.4) with 1% BSA, 0.02% Proclin300 and 50% Glycerol.

Storage: Shipped at 4°C. Store at -20°C for one year. Avoid repeated freeze/thaw cycles.

Background:

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. Isoform 3 is involved in activation of NOS3 and endothelial nitric oxide production. 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. Essential for MTA1-mediated transcriptional regulation of BRCA1 and BCAS3. Isoform 3 can bind to ERE and inhibit isoform 1.

Size: 100ul

Concentration: 1ug/ul

Applications: WB(1:300-5000)
ELISA(1:500-1000)
FCM(1:20-100)
IHC-P(1:200-400)
IHC-F(1:100-500)
IF(IHC-P)(1:50-200)
IF(IHC-F)(1:50-200)
IF(ICC)(1:50-200)

Predicted Molecular Weight: 66


Cross Reactive Species: Human
Mouse
Rat

Predicted Cross Reactive Species: Pig
Rabbit

For research use only. Not intended for diagnostic or therapeutic use.

PRODUCT SPECIFIC PUBLICATIONS
  • Li et al. Apoptosis Induction by Iron Radiation via Inhibition of Autophagy in Trp53+/- Mouse Testes: Is Chronic Restraint-Induced Stress a Modifying Factor?. (2018) Int.J.Biol.Sci. 14:1109-1121Read more>>
  • Jiawei Wang. et al. Validation of MAPK signalling pathway as a key role of paeoniflorin in the treatment of intrahepatic cholestasis of pregnancy based on network pharmacology and metabolomics. EUR J PHARMACOL. 2022 Nov;935:175331Read more>>
VALIDATION IMAGES

Paraformaldehyde-fixed, paraffin embedded rat uterus tissue; Antigen retrieval by boiling in sodium citrate buffer(pH6) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 30 minutes; Blocking buffer (normal goat serum) at 37°C for 20min; Antibody incubation with Rabbit Anti-Estrogen receptor alpha (Ser118) Polyclonal Antibody, Unconjugated (bs-3130R) at 1:400 overnight at 4°C, followed by a conjugated secondary and DAB staining


MCF-7 cells(black) were fixed with 4% PFA for 10min at room temperature,permeabilized with 90% ice-cold methanol for 20 min at -20℃, and incubated in 5% BSA blocking buffer for 30 min at room temperature. Cells were then stained with Estrogen Receptor alpha (S118) Polyclonal Antibody(bs-3130R)at 1:50 dilution in blocking buffer and incubated for 30 min at room temperature, washed twice with 2% BSA in PBS, followed by secondary antibody(blue) incubation for 40 min at room temperature. Acquisitions of 20,000 events were performed. Cells stained with primary antibody (green), and isotype control (orange).


Lane 1: MCF-7 cell lysates probed with Estrogen Receptor alpha (S118) Polyclonal Antibody, Unconjugated (bs-3130R) at 1:1000 dilution and 4˚C overnight incubation. Followed by conjugated secondary antibody incubation at 1:20000 for 60 min at 37˚C.


MCF7 cell; 4% Paraformaldehyde-fixed; Triton X-100 at room temperature for 20 min; Blocking buffer (normal goat serum, C-0005) at 37°C for 20 min; Antibody incubation with (Phospho-Estrogen Receptor alpha (Ser118)) polyclonal Antibody, Unconjugated (bs-3130R) 1:100, 90 minutes at 37°C; followed by a conjugated Goat Anti-Rabbit IgG antibody at 37°C for 90 minutes, DAPI (blue, C02-04002) was used to stain the cell nuclei.


Paraformaldehyde-fixed, paraffin embedded Rat uterus; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37°C for 30min; Antibody incubation with Estrogen Receptor alpha (S118) Polyclonal Antibody, Unconjugated (bs-3130R) at 1:200 overnight at 4°C, DAB staining.