Phospho-ESR1 (S118) Antibody

Code CSB-RA007830A118phHU
Size US$350
Image
  • IHC image of CSB-RA007830A118phHU diluted at 1:100 and staining in paraffin-embedded human breast cancer performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a biotinylated secondary antibody and visualized using an HRP conjugated SP system.

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Product Details

Uniprot No. P03372
Target Names ESR1
Alternative Names 7*/654 isoform antibody; 7*/819 2 isoform antibody; 7*/822 isoform antibody; 8*/901 isoform antibody; 8*/941 isoform antibody; DKFZp686N23123 antibody; ER alpha antibody; ER antibody; ER-alpha antibody; Era antibody; ESR antibody; ESR1 antibody; ESR1_HUMAN antibody; ESRA antibody; Estradiol receptor antibody; Estrogen nuclear receptor alpha antibody; Estrogen receptor 1 antibody; Estrogen receptor alpha 3*,4,5,6,7*/822 isoform antibody; Estrogen receptor alpha antibody; Estrogen receptor alpha delta 3*,4,5,6,7*,8*/941 isoform antibody; Estrogen receptor alpha delta 3*,4,5,6,7*/819 2 isoform antibody; Estrogen receptor alpha delta 4 +49 isoform antibody; Estrogen receptor alpha delta 4*,5,6,7*/654 isoform antibody; Estrogen receptor alpha delta 4*,5,6,7,8*/901 isoform antibody; Estrogen receptor alpha E1 E2 1 2 antibody; Estrogen receptor alpha E1 N2 E2 1 2 antibody; Estrogen receptor antibody; ESTRR antibody; NR3A1 antibody; Nuclear receptor subfamily 3 group A member 1 antibody
Species Reactivity Human
Immunogen A synthesized peptide derived from Human Phospho-ESR1 (S118)
Immunogen Species Homo sapiens (Human)
Conjugate Non-conjugated
Clonality Monoclonal
Isotype Rabbit IgG
Purification Method Affinity-chromatography
Concentration It differs from different batches. Please contact us to confirm it.
Buffer Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.
Form Liquid
Tested Applications ELISA, IHC
Recommended Dilution
Application Recommended Dilution
IHC 1:50-1:200
Protocols ELISA Protocol
Immunohistochemistry (IHC) Protocol
Troubleshooting and FAQs Antibody FAQs
Storage Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

Target Data

Function 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.
Gene References into Functions
  1. Estrogen-induced miR-191 was identified as a direct upstream regulator of DAB2 in ER-positive breast cancer cells. PMID: 29247596
  2. the whole-genome insights carried in this work can help fully understanding biological roles of ER1 in breast cancer. PMID: 30301189
  3. there was a relationship between rs2046210 and rs3803662, and the risk of developing this disease in Vietnamese women. The A allele is the risk allele for both rs2046210 (OR [95% CI] = 1.43 [1.14 - 1.78], P = 0.0015) and rs3803662 (OR [95% CI] = 1.45 [1.16 - 1.83], P = 0.001). We conclude that two polymorphisms, rs2046210 in ESR1 and rs3803662 in TNRC9, are associated with breast cancer risk in the Vietnamese population. PMID: 30078824
  4. that Oestrogen receptor alpha can enhance the odonto/osteogenic differentiation of stem cells from apical papilla via ERK and JNK MAPK pathways PMID: 30069950
  5. No association between polymorphisms in genes encoding estrogen receptors (ESR1 and ESR2) and excreted BPA levels was found in orthodontic patients after bracket bonding. PMID: 29961922
  6. Analysis of the genome-wide ER binding sites identified mutant ER unique recruitment mediating the allele-specific transcriptional program PMID: 29438694
  7. study describes RNF8 as a co-activator of ERalpha increases ERalpha stability via post-transcriptional pathway, and provides a new insight into mechanisms for RNF8 to promote cell growth of ERalpha-positive breast cancer. PMID: 28216286
  8. Reduced expression of ERbeta1 in female ERalpha-negative papillary thyroid carcinoma patients is associated with greater progression of the disease. PMID: 29655286
  9. heterogeneous distribution in deep infiltrating endometriosis PMID: 29383962
  10. ER-alpha36/EGFR signaling loop promotes growth of hepatocellular carcinoma cells PMID: 29481815
  11. This study aimed to determine the presence and localization of oestrogen receptors (ERs), progesterone receptors (PRs), and androgen receptors (ARs) in both healthy and varicose vein wall cells and their relationship with gender. PMID: 30250632
  12. Estrogen receptor-alpha was expressed only in women and showed a positive correlation with the amount of fungi in oral paracoccidioidomycosis, while progesterone receptor was observed in both genders and exhibited no correlation with estrogen receptor-alpha or fungi counting. PMID: 29796757
  13. ERalpha upregulates vinculin expression in breast cancer cells; Loss of vinculin promotes amoeboid features of cancer cells PMID: 28266545
  14. polymorphisms do not predict in vitro fertilization outcome PMID: 29916276
  15. High ESR1 expression is associated with metastasis in breast Cancer. PMID: 29187405
  16. The G/G XbaI genotype of ESR1 gene is associated with breast cancer risk. PMID: 29893332
  17. miR-221 may impair the protective effect of estrogen in degenerated cartilaginous endplate cells through targeting estrogen receptor alpha PMID: 29529124
  18. Results showed that NAT1 and ESR1 expression were increased in primary breast tumor samples compared with normal breast tissue samples, and in ER+ primary breast tumors compared with ER- tumors. Also, NAT1 and ESR1 expression seems to have overlapping regulation. PMID: 29901116
  19. all the patients without these mutations by molecular barcode next-generation sequencing (MB-NGS) were found to have no mutations by ddPCR. In conclusion, MB-NGS could successfully detect ESR1 mutations in cfDNA with a higher sensitivity of 0.1% than conventional NGS and was considered as clinically useful as ddPCR PMID: 28905136
  20. In summary, an association between the presence of the particular genotypes at the three ESR1 polymorphisms (rs2234693, rs6902771, rs7774230) and one ESR2 polymorphism (rs3020449), and the presence of metabolic syndrome in postmenopausal women was found. PMID: 30049354
  21. higher frequency of ESR1 and PIK3CA mutations in the plasma than in the serum in 33 MBC patients; therefore, serum samples should not be considered the preferred source of cfDNA. PMID: 29689710
  22. These results suggest that miR-125a-3p can function as a novel tumor suppressor in ER(+) breast cancer by targeting CDK3, which may be a potential therapeutic approach for TamR breast cancer therapy PMID: 28939591
  23. A major finding of our study is that one out of five (20%) patients with breast cancer BM had a receptor discrepancy between the primary tumor and the subsequent BM, with loss of hormone receptors (ER and/or PR) expression, and gain of HER2 overexpression as the most commonly observed changes PMID: 28975433
  24. Here the authors report a nodal role of IGF-IR in the regulation of ERalpha-positive breast cancer cell aggressiveness and the regulation of expression levels of several extracellular matrix molecules. PMID: 28079144
  25. The associations between PvuII (T>C) and XbaI (A>G) polymorphisms of estrogen receptor alpha (ESR1) gene with type 2 diabetes mellitus (T2DM) or metabolic syndrome (MetS), are reported. PMID: 29883973
  26. The ERalpha gene seems to play a key role in stress urinary incontinence in the premenopausal period. PMID: 29769420
  27. Study reports the first discovery of naturally occurring ESR1 (Y537C) and ESR1 (Y537S) mutations in MCF7 and SUM44 ESR1-positive cell lines after acquisition of resistance to long-term-estrogen-deprivation (LTED) and subsequent resistance to fulvestrant (ICIR). Mutations were enriched with time, impacted on ESR1 binding to the genome and altered the ESR1 interactome. PMID: 29192207
  28. Concomitant high expression of ERalpha36, GRP78 and GRP94 is associated with aggressive papillary thyroid cancer behavior and may be used as a predictor for extrathyroid extension, lymph node metastasis, and distant metastasis. PMID: 29368272
  29. Estrogen receptor-1 is a key regulator of HIV-1 latency that imparts gender-specific restrictions on the latent reservoir. PMID: 30061382
  30. Down-regulation of ESR1 gene expression was enhanced by the development of the breast cancer. PMID: 29543921
  31. The aim of the present study was to assess whether fibrosis markers, estrogen receptor (ER)alpha and the stromal derived factor (SDF)1/CXC chemokine receptor type 4 (CXCR4) axis are abnormally expressed in Intrauterine adhesions endometrium. PMID: 29568895
  32. The frequency of alleles and genotypes of polymorphisms FSHR(-29G/A) and ESRI (XbaI A/G) in women with normal to poor response did not have significant correlation. PMID: 29526845
  33. Each estrogen receptor alpha and estrogen receptor beta gene polymorphism might have different impact on postmenopausal osteoporosis risk and bone mineral density in various ethnicities. PMID: 29458346
  34. The results suggest that minor allele A of ESR1 gene is associated with the development of arterial hypertension in men. PMID: 29658078
  35. Study found that tamoxifen treatment induced a decrease in PRMT2 and an increase in ER-alpha36 as well as ER-alpha36-mediated non-genomic effect in MDA-MB-231 breast cancer cell line. PMID: 29620287
  36. ESR1 mutations are not associated with clinical resistance to fulvestrant in breast cancer patients. PMID: 27174596
  37. verexpression of COPS5, through its isopeptidase activity, leads to ubiquitination and proteasome-mediated degradation of NCoR, a key corepressor for ERalpha and tamoxifen-mediated suppression of ERalpha target genes. PMID: 27375289
  38. ESR alpha PvuII and XbaI polymorphisms have no association with ; systemic lupus erythematosus. The combination of the TC/AA and CC/GG genotypes were associated with SLE susceptibility. PMID: 29356461
  39. Estrogen receptor (ER) and progesterone receptor (PR) expression in endometrial carcinoma (EC) were significantly higher than those in the paracarcinoma tissue and control. PMID: 29081408
  40. ESR1 promoter methylation was an independent risk factor and had a high value to predict 28-day mortality from acute-on-chronic hepatitis B liver failure PMID: 29082740
  41. by analyzing different estrogen receptor-alpha(ER-a)-positive and ER-a-negative breast cancer cell lines, we defined the role of CCN5 in the leptin-mediated regulation of growth and invasive capacity. PMID: 29370782
  42. This study identified ESR1 as a direct target of miR-301a-3p. PMID: 29763890
  43. Authors report for the first time the presence of ESR1 methylation in plasma ctDNA of patients with HGSC. The agreement between ESR1 methylation in primary tumors and paired ctDNA is statistically significant. PMID: 29807696
  44. this study reports the development of a novel class of ERa AF2 inhibitors, which have the potential to effectively inhibit ERa activity by a unique mechanism and to circumvent the issue of mutation-driven resistance in breast cancer PMID: 29462880
  45. the P2X7R rs3751143 and ER-alpha PvuII two-locus interaction confers a significantly high susceptibility to osteoporosis in Chinese postmenopausal women. PMID: 28884379
  46. Alcohol consumption may have differential effects on concordant and discordant receptor subtypes of breast cancer. PMID: 29353824
  47. ERalpha and ERbeta mRNA expression was significantly higher (p < 0.05) in tumour tissues relative to their paired normal mucosa and correlated inversely with survival outcome PMID: 29390981
  48. High ESR1 expression is associated with Papillary Thyroid Carcinoma. PMID: 28124274
  49. Oral administration of RAD140 substantially inhibited the growth of AR/ER(+) breast cancer patient-derived xenografts (PDX). Activation of AR and suppression of ER pathway, including the ESR1 gene, were seen with RAD140 treatment. PMID: 28974548
  50. Polymorphism in the ERalpha gene is associated with an increased risk for advanced Pelvic Organ Prolapse. However, polymorphism in the LAMC1 gene does not seem to be associated with such risk. PMID: 29241914

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Involvement in disease Estrogen resistance (ESTRR)
Subcellular Location Isoform 1: Nucleus, Cytoplasm, Cell membrane, Peripheral membrane protein, Cytoplasmic side, Note=A minor fraction is associated with the inner membrane, SUBCELLULAR LOCATION: Isoform 3: Nucleus, Cytoplasm, Cell membrane, Peripheral membrane protein, Cytoplasmic side, Cell membrane, Single-pass type I membrane protein, Note=Associated with the inner membrane via palmitoylation (Probable), At least a subset exists as a transmembrane protein with a N-terminal extracellular domain, SUBCELLULAR LOCATION: Nucleus, Golgi apparatus, Cell membrane
Protein Families Nuclear hormone receptor family, NR3 subfamily
Tissue Specificity Widely expressed. Isoform 3 is not expressed in the pituitary gland.
Database Links

HGNC: 3467

OMIM: 133430

KEGG: hsa:2099

STRING: 9606.ENSP00000206249

UniGene: Hs.208124

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