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Human XBP1 Ready-To-Use IHC Kit

Immunohistochemical analysis of paraffin embedded human liver tissue slide using IHC0362H (Human XBP1 Kit).
Immunohistochemical analysis of paraffin embedded human testis tissue slide using IHC0362H (Human XBP1 Kit).
Immunohistochemical analysis of paraffin embedded human skin tissue slide using IHC0362H (Human XBP1 Kit).
Immunohistochemical analysis of paraffin embedded human spleen tissue slide using IHC0362H (Human XBP1 Kit).
Immunohistochemical analysis of paraffin embedded human pancreas tissue slide using IHC0362H (Human XBP1 Kit).

Human XBP1 Ready-To-Use IHC Kit

Cat. No.: IHC0362H
Sample Type: FFPE tissue
Size: 50T (including a control slide)
Storage and Stability: Please store components at the temperatures indicated on the individual tube labels. The kit is stable for 6 months from the date of receipt.

Background

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, 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.

Synonyms

Materials Supplied

Number Component 50T Concentration Storage
1 PBS Buffer (powder) 2L x 2 20x RT
2 Antigen Retrieval Buffer 20ml 100x 2-8°C
3 Endogenous Peroxidase Blocking Buffer 3ml RTU 2-8°C
4 Blocking Buffer 3ml RTU 2-8°C
5 Primary Antibody (Human XBP1 Recombinant Rabbit mAb) 6ml RTU 2-8°C
6 Secondary Antibody (Goat Anti-Rabbit IgG H&L, HRP conjugated) 6ml RTU 2-8°C
7 Chromogen Component A 0.3ml RTU -20°C
8 Chromogen Component B 0.3ml RTU -20°C
9 Counter Staining Reagent 5ml RTU RT
10 Differentiation Reagent 6ml RTU RT
11 Mounting Media 5ml RTU RT
12 Control slide (Human pancreas) 1 slide RTU RT
13 Datasheet 1 copy

Notes

  1. The positive control slide provided in the kit allows you to be sure that the experimental set-up is working properly.
  2. Do not allow slides to dry at any time during this procedure.
  3. Please don't replace the matching reagents in this product with other manufacturers' products.
  4. As DAB is a carcinogen, please take necessary precautions.
  5. PBS (reagent 1) can be stored for one week at 4℃ after preparation; The antigen retrieval buffer (1×reagent 2) and the chromogenic agent (the mixture of reagents 7 and 8) should be prepared right before each assay.


As DAB is a carcinogen, please take necessary precautions.

Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.

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