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The image on the left is immunohistochemistry of paraffin-embedded Human breast cancer tissue using CSB-PA027191(XBP1 Antibody) at dilution 1/60, on the right is treated with fusion protein. (Original magnification: x200)
The image on the left is immunohistochemistry of paraffin-embedded Human breast cancer tissue using CSB-PA027191(XBP1 Antibody) at dilution 1/60, on the right is treated with fusion protein. (Original magnification: x200)
The image on the left is immunohistochemistry of paraffin-embedded Human breast cancer tissue using CSB-PA027191(XBP1 Antibody) at dilution 1/60, on the right is treated with fusion protein. (Original magnification: x200)

XBP1 Antibody

CSB-PA027191
Cusabio
ApplicationsELISA, ImmunoHistoChemistry
Product group Antibodies
ReactivityHuman
TargetXBP1
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Overview

  • Supplier
    Cusabio
  • Product Name
    XBP1 Antibody
  • Delivery Days Customer
    20
  • Applications
    ELISA, ImmunoHistoChemistry
  • Certification
    Research Use Only
  • Clonality
    Polyclonal
  • Conjugate
    Unconjugated
  • Gene ID7494
  • Target name
    XBP1
  • Target description
    X-box binding protein 1
  • Target synonyms
    TREB-5, TREB5, XBP-1, XBP2, X-box-binding protein 1, tax-responsive element-binding protein 5
  • Host
    Rabbit
  • Isotype
    IgG
  • Protein IDP17861
  • Protein Name
    X-box-binding protein 1
  • Scientific Description
    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.
  • Reactivity
    Human
  • Storage Instruction
    -20°C or -80°C
  • UNSPSC
    41116161

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Lane 1: Mouse Large intestine lysates; Lane 2: Mouse Liver lysates; Lane 3: Mouse Testis lysates; Lane 4: HepG2 cell lysates probed with XBP1 Polyclonal Antibody, Unconjugated (bs-1668R) at 1:1000 dilution and 4˚C overnight incubation. Followed by conjugated secondary antibody incubation at 1:20000 for 60 min at 37˚C.
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Figure 1. Western blot analysis of XBP using anti-XBP antibody (PB9463). Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. Lane 1: MCF-7 Whole Cell Lysate at 40ug, Lane 2: MM231 Whole Cell Lysate at 40ug, Lane 3: MM453 Whole Cell Lysate at 40ug, Lane 4: SKOV Whole Cell Lysate at 40ug, Lane 5: HELA Whole Cell Lysate at 40ug. After electrophoresis, proteins were transferred to a nitrocellulose membrane at 150 mA for 50-90 minutes. Blocked the membrane with 5% non-fat milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-XBP antigen affinity purified polyclonal antibody (Catalog # PB9463) at 0.5 microg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for XBP at approximately 29 kDa. The expected band size for XBP is at 29 kDa.
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