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IL1β-Ab1, hIgG1, HEK293 Cells,others

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IL1β-Ab1, hIgG1, HEK293 Cells,others: Product Information

  • Product Name

    Monoclonal anti-human interleukin 1-beta (IL1β)


  • Specificity

    Detects human IL1β in ELISAs and Western blots.


  • MAb isotypes

    Monoclonal Human IgG1


  • Applications

    Recommended pairs in sandwich immunoassays (capture-detection):

    AB-1014 & AB-1015


  • Purification

    Protein A or G chromatography


  • Presentation

    Dissolved in sterile PBS buffer to a concentration of 0.5 mg/mL.

    This solution can be diluted into other aqueous buffers. Centrifuge the vial prior to opening.


  • Storage and Stability

    Avoid repeated freeze-thaw cycles.

    It is recommended that the protein be aliquoted for optimal storage.

    12 months from date of receipt, -20 to -70 °C as supplied.


  • Shipping

    Shipping with dry ice.


  • Purity

    > 95%, determined by SDS-PAGE


  • Endotoxin Level:

    <0.010 EU per 1 ug of the protein by the LAL method


  • Material safety note:

    This product is sold for research or further manufacturing use only. Standard Laboratory Practices should be followed when handling this material.


IL1β-Ab1, hIgG1, HEK293 Cells,others: Product Information

IL1β-Ab1, hIgG1, HEK293 Cells,others: Product Information

IL1β-Ab1, hIgG1, HEK293 Cells,others: Product Information

Interleukin-1 beta (IL1 beta or IL1B) also known as catabolin, is a member of the interleukin 1 cytokine family. IL1 is a name that designates two pleiotropic cytokines, IL-1 alpha (IL-1F1) and IL-1 beta (IL-1F2), which are the products of distinct genes. IL-1 alpha and IL-1 beta are structurally related polypeptides that share approximately 21% amino acid (aa) identity in human. Both proteins are produced by a wide variety of cells in response to inflammatory agents, infections, or microbial endotoxins. While IL-1 alpha and IL-1 beta are regulated independently, they bind to the same receptor and exert identical biological effects. IL-1RI binds directly to IL-1 alpha or IL-1 beta and then associates with IL-1R accessory protein (IL-1R3/IL-1RAcP) to form a high-affinity receptor complex that is competent for signal transduction. IL-1RII has high affinity for IL-1 beta but functions as a decoy receptor and negative regulator of IL-1 beta activity. The human IL-1 beta cDNA encodes a 269 aa precursor. A 116 aa propeptide is cleaved intracellularly by the cysteine protease IL-1 beta converting enzyme (Caspase-1/ICE) to generate the active cytokine (5-7). The 17 kDa mature human IL-1 beta shares 96% aa sequence identity with rhesus and 67%-78% with canine, cotton rat, equine, feline, mouse, porcine, and rat IL-1 beta.



参考文献

1. Allan, S.M. et al. (2005) Nat. Rev. Immunol. 5:629.

2. Boraschi, D. and A. Tagliabue (2006) Vitam. Horm. 74:229.

3. Kornman, K.S. (2006) Am. J. Clin. Nutr. 83:475S.

4. Isoda, K. and F. Ohsuzu (2006) J. Atheroscler. Thromb. 13:21.

5. March, C.J. et al. (1985) Nature 315:641.

6. Auron, P.E. et al. (1984) Proc. Natl. Acad. Sci. 81:7907.

7. Martinon, F. and J. Tschopp (2007) Cell Death Differ. 14:10.


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IL1β-Ab1, hIgG1, HEK293 Cells,others:Protein Expression Service

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