| 存储条件 |
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| Product Name | Anti-XBP1 antibody |
|---|---|
| Antibody Type | Primary Antibodies |
| Immunogen | Polypeptide |
| Clonality | Polyclonal |
|---|---|
| Isotype | IgG |
| Host Species | Rabbit |
| Tested Applications | ELISAICC/IFWB |
| WB:1:1000-1:2000 ICC/IF:1:100-1:500 | |
| Species Reactivity | HumanMouseRat |
| Concentration | 1mg/ml |
| Purification | Protein A |
| Gene Symbol | XBP1 |
|---|---|
| Gene Synonyms | D11Ertd39e HTF TREB-5 TREB5 XBP-1 XBP2 |
| Gene Full Name | X-box binding protein 1 |
| Gene Summary | This gene 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, which was also identified as a cellular transcription factor that binds to an enhancer in the promoter of 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. It has been found that upon accumulation of unfolded proteins in the endoplasmic reticulum (ER), the mRNA of this gene is processed to an active form by an unconventional splicing mechanism that is mediated by the endonuclease inositol-requiring enzyme 1 (IRE1). The resulting loss of 26 nt from the spliced mRNA causes a frame-shift and an isoform XBP1(S), which is the functionally active transcription factor. The isoform encoded by the unspliced mRNA, XBP1(U), is constitutively expressed, and thought to function as a negative feedback regulator of XBP1(S), which shuts off transcription of target genes during the recovery phase of ER stress. A pseudogene of XBP1 has been identified and localized to chromosome 5. |
| Alternative Names | hepatocarcinogenesis-related transcription factor OTTHUMP00000028682 tax-responsive element-binding protein 5 tax-responsive element-binding protein 5 homolog X box binding protein-1 XBP-1 transcription factor XBP1 |
| Molecular Weight(MW) | 29 kDa（Observed:37 kDa） |
| Cellular Localization | Cytoplasm, Endoplasmic reticulum, Membrane, Nucleus |
| SwissProt ID | P17861 |
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WB
Western blot analysis using XBP1 antibody against A549(1), HepG2(2) cell lysate.12% SDS-PAGE gel.Sample loading: 20μg /lane. Transfer the proteins onto a PVDF membrane (OM790003), and block it with TBST (OM750016) plus skimmed milk powder for one hour. Dilute the primary antibody with the antibody diluent (OM750012) at a ratio of 1:1000, and incubate it overnight at 4°C. Wash the membrane three times with TBST (OM750016), 5 minutes each time. At room temperature, dilute the secondary antibody, Goat Anti-Rabbit IgG(H&L)-HRP (OM643487), at a ratio of 1:20000 and incubate for one hour. Wash the membrane three times with TBST (OM750016) again, 5 minutes each time. Use ECL (OM625701) for luminescence.staining time: 60S.
ICC/IF
Immunofluorescence analysis of T24 cells using XBP1 antibody (green). Blue: DAPI fluorescent DNA dye. Red: Actin filaments have been labeled with Omnimabs® 594-Phalloidin.Cells are fixed in 4% paraformaldehyde at room temperature for 20 minutes. Then, they are permeabilized with a PBS (OM750003) solution containing 0.1% Triton X-100(OM750021) at room temperature for 15 minutes. Subsequently, the cells are blocked with 10% non - immune goat serum(OM760028) at room temperature for 1 hour.The cells are incubated overnight at 4°C with the primary antibody diluted 1:100 in PBS. The secondary antibody, Omnimabs® 488 Goat Ant-Rabbit IgG(H&L) (Green,OM643486), is diluted at a ratio of 1:400 and incubated with the cells for 1 hour.Nuclear DNA is labeled with DAPI (Blue,OM643160). F-actin is stained with Omnimabs® 594-Phalloidin (Red,OM750007) diluted 1:100 for 30 minutes.
WB
Western blot analysis using XBP1 antibody against Mouse liver tissue(1). 12% SDS-PAGE gel.Sample loading: 20μg /lane. Transfer the proteins onto a PVDF membrane (OM790003), and block it with TBST (OM750016) plus skimmed milk powder for one hour. Dilute the primary antibody with the antibody diluent (OM750012) at a ratio of 1:1000-1:2000, and incubate it overnight at 4°C. Wash the membrane three times with TBST (OM750016), 5 minutes each time. At room temperature, dilute the secondary antibody, Goat Anti-Rabbit IgG(H&L)-HRP (OM643487), at a ratio of 1:20000 and incubate for one hour. Wash the membrane three times with TBST (OM750016) again, 5 minutes each time. Use ECL (OM625701) for luminescence.staining time: 60S.
ELISA
Coat the plate with immunizing antigen.Blue line： Immune serum; Orange line: Pre-immune serum.| Application Notes | WB:1:1000-1:2000 ICC/IF:1:100-1:500 |
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| Form | Liquid |
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| Storage Instructions | Shipped at 4°C. Store at +4°C short term (1-2 weeks). Store at -20°C long term. Avoid freeze / thaw cycle. |
| Storage Buffer | Purified antibody in PBS with 0.05% sodium azide. |
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