Thermo Fisher Scientific Estrogen Receptor beta Polyclonal Antibody
Estrogen Receptor beta를 인식하는 Thermo Fisher Scientific의 폴리클로날 항체로, WB 및 IHC(P) 검증 완료. Human 시료에 반응하며, Goat IgG 기반. 액상 형태로 0.5 mg/mL 농도, -20°C 보관. 연구용으로 isoform 전반을 인식.
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Applications and Tested Dilution
| Application | Tested Dilution |
|---|---|
| Western Blot (WB) | 0.3–2 µg/mL |
| Immunohistochemistry (Paraffin) (IHC (P)) | 3–5 µg/mL |
Product Specifications
| 항목 | 내용 |
|---|---|
| Species Reactivity | Human |
| Host / Isotype | Goat / IgG |
| Class | Polyclonal |
| Type | Antibody |
| Immunogen | Peptide with sequence RRQRSADEQLHC |
| Conjugate | Unconjugated |
| Form | Liquid |
| Concentration | 0.5 mg/mL |
| Purification | Ammonium sulfate precipitation |
| Storage buffer | TBS, pH 7.3, with 0.5% BSA |
| Contains | 0.02% sodium azide |
| Storage conditions | -20°C, Avoid Freeze/Thaw Cycles |
| Shipping conditions | Wet ice |
| RRID | AB_2932992 |
Product Specific Information
- This antibody is expected to recognise all three isoforms (NP_001035365.1; NP_001035366.1; NP_001428.1).
- Tested in Peptide ELISA: antibody detection limit dilution 1:128,000.
Target Information
Estrogen Receptor beta (ER beta, NR3A2) is approximately 55 kDa, with multiple isoforms (36–59 kDa). Initially cloned from human testis, ER beta belongs to the steroid/thyroid hormone receptor superfamily. It functions as a ligand-activated transcription factor that binds estrogen, undergoes conformational change, dimerizes, and interacts with estrogen response elements (ERE) in DNA to regulate gene transcription.
Two forms exist—ER alpha (ESR1) and ER beta (ESR2)—with similar estrogen binding affinities. Some ER beta isoforms inhibit ER alpha activity in reproductive tissues. ER beta is broadly expressed and may act as a tumor suppressor, relevant to cancers, autism spectrum disorder, medullary thyroid carcinoma, De Quervain Disease, and cardiovascular disease risk.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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