Date published: 2026-10-20

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IRE1 alpha Antibody (YB-17): sc-100772

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Datasheets
  • IRE1α Antibody (YB-17) is a mouse monoclonal IgG2a κ, cited in 1 publications, provided at 100 µg/ml
  • raised against recombinant IRE1α of human origin
  • recommended for detection of IRE1α of human origin by WB, IP, IF and ELISA
  • See IRE1α (B-12): sc-390960 for IRE1α antibody conjugates, including AC, HRP, FITC, PE, Alexa Fluor® 488, 594, 647, 680 and 790.
  • At present, we have not yet completed the identification of the preferred secondary detection reagent(s) for IRE1α Antibody (YB-17). This work is in progress.
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IRE1α Antibody (YB-17) is a mouse monoclonal IgG2a antibody that detects IRE1α in human samples through applications such as western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). IRE1α plays a crucial role in the unfolded protein response (UPR), a cellular stress response activated when unfolded proteins accumulate in the endoplasmic reticulum (ER). IRE1α is primarily located in the ER lumen, where IRE1α functions as a sensor for ER stress, initiating a cascade of signaling events that help restore cellular homeostasis. IRE1α′s location is crucial for oligomerization and trans-phosphorylation in response to stress, which enhances intrinsic kinase activity and leads to the transcription of genes aiding in protein folding and degradation. Through facilitating proper UPR functioning, IRE1α is essential for maintaining cellular health and preventing diseases associated with protein misfolding, such as neurodegenerative disorders and diabetes. Anti-IRE1α antibody (YB-17) serves as an invaluable tool for researchers studying these critical pathways and their implications in human health.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

IRE1 alpha Antibody (YB-17) References:

  1. IRE1α-XBP1 controls T cell function in ovarian cancer by regulating mitochondrial activity.  |  Song, M., et al. 2018. Nature. 562: 423-428. PMID: 30305738
  2. IRE1α regulates skeletal muscle regeneration through Myostatin mRNA decay.  |  He, S., et al. 2021. J Clin Invest. 131: PMID: 34283807
  3. Adipocyte IRE1α promotes PGC1α mRNA decay and restrains adaptive thermogenesis.  |  Chen, Y., et al. 2022. Nat Metab. 4: 1166-1184. PMID: 36123394
  4. Erbin protects against sepsis-associated encephalopathy by attenuating microglia pyroptosis via IRE1α/Xbp1s-Ca2+ axis.  |  Jing, G., et al. 2022. J Neuroinflammation. 19: 237. PMID: 36171629
  5. MANF regulates neuronal survival and UPR through its ER-located receptor IRE1α.  |  Kovaleva, V., et al. 2023. Cell Rep. 42: 112066. PMID: 36739529
  6. Impaired T cell IRE1α/XBP1 signaling directs inflammation in experimental heart failure with preserved ejection fraction.  |  Smolgovsky, S., et al. 2023. J Clin Invest. 133: PMID: 37874641
  7. Hepatic IRE1α-XBP1 signaling promotes GDF15-mediated anorexia and body weight loss in chemotherapy.  |  Tang, Y., et al. 2024. J Exp Med. 221: PMID: 38695876
  8. Mammalian IRE1α dynamically and functionally coalesces with stress granules.  |  Liu, S., et al. 2024. Nat Cell Biol. 26: 917-931. PMID: 38714852
  9. IRE1α determines ferroptosis sensitivity through regulation of glutathione synthesis.  |  Jiang, D., et al. 2024. Nat Commun. 15: 4114. PMID: 38750057
  10. IRE1α silences dsRNA to prevent taxane-induced pyroptosis in triple-negative breast cancer.  |  Xu, L., et al. 2024. Cell. 187: 7248-7266.e34. PMID: 39419025

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

IRE1α Antibody (YB-17)

sc-100772
100 µg/ml
$339.00

I am using IRE1α (YB-17): sc-100772 for immunofluorescence, what dilution of this antibody should I use?

Asked by: Professor Griffin
Thank you for your question. We recommend a starting dilution of 1:50. However, optimal antibody concentration should be determined by titration. Please find our full immunofluorescence protocol here: https://www.scbt.com/scbt/resources/protocols/immunofluorescence-cell-staining
Answered by: Technical Support
Date published: 2017-03-24
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Rated 5 out of 5 by AbPolly from Good for WBSingle band seen at an appropriate molecular weight for IRE1 alpha in Western Blot with HeLa whole cell lysates.
Date published: 2017-01-27
Rated 5 out of 5 by QZ from Good specificity in WB in HeLa whole cell lysateGood specificity in WB in HeLa whole cell lysate. -SCBT QC
Date published: 2015-05-27
Rated 5 out of 5 by LF from Produced exceptional immunofluorescence membraneProduced exceptional immunofluorescence membrane and cytoplasmic staining in paraformaldehyde-fixed HeLa cells. -SCBT QC
Date published: 2015-04-08
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IRE1α Antibody (YB-17) is rated 5.0 out of 5 by 3.
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