Thermo Fisher Scientific XBP1 Polyclonal Antibody
XBP1 단백질을 인식하는 Thermo Fisher Scientific의 폴리클로날 항체로, 인간·마우스·랫트에 반응합니다. Western blot, IHC, ICC, Flow cytometry, ELISA 등 다양한 응용에 적합합니다. Protein A로 정제된 고순도 항체로 안정적인 액상 형태로 제공됩니다.
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Applications and Tested Dilutions
| Application | Tested Dilution |
|---|---|
| Western Blot (WB) | 1:200 |
| Immunohistochemistry (Paraffin) (IHC-P) | 1:200 |
| Immunohistochemistry (Frozen) (IHC-F) | 1:100–1:500 |
| Immunocytochemistry (ICC/IF) | 1:50–1:200 |
| Flow Cytometry (Flow) | 1:20–1:100 |
| ELISA | 1:500–1:1,000 |
Product Specifications
| Specification | Description |
|---|---|
| Species Reactivity | Human, Mouse, Rat |
| Host / Isotype | Rabbit / IgG |
| Class | Polyclonal |
| Type | Antibody |
| Immunogen | KLH-conjugated synthetic peptide derived from human XBP-1 (amino acids 51–150) |
| Conjugate | Unconjugated |
| Form | Liquid |
| Concentration | 1 mg/mL |
| Purification | Protein A |
| Storage Buffer | 0.01M TBS, pH 7.4, with 50% glycerol, 1% BSA |
| Contains | 0.02% ProClin 300 |
| Storage Conditions | -20°C |
| Shipping Conditions | Ambient (domestic); Wet ice (international) |
Target Information
XBP1 encodes a transcription factor that regulates MHC class II genes by binding to a promoter element referred to as an X box. This gene product is a bZIP protein, also identified as a cellular transcription factor binding to an enhancer in the T cell leukemia virus type 1 promoter. It may increase expression of viral proteins by acting as the DNA-binding partner of a viral transactivator.
When unfolded proteins accumulate in the endoplasmic reticulum (ER), XBP1 mRNA is processed to an active form by an unconventional splicing mechanism mediated by IRE1. The spliced mRNA loses 26 nucleotides, producing the functionally active XBP1(S) isoform. The unspliced form, XBP1(U), acts as a negative feedback regulator of XBP1(S), shutting off transcription of target genes during ER stress recovery. A pseudogene of XBP1 is localized to chromosome 5.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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