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Mouse IL-1beta / IL1B Protein View larger

Mouse IL-1beta / IL1B Protein

50101-MNAE

Activity: (1) Measured by its ability to induce Interferon gamma secretion by human natural killer lymphoma NK-92 cells. The ED50 for this effect is typically 6-30 ng/mL. (2) Measured by its ability to bind human IL1R1 in a functional ELISA. (3) Measured by its ability to bind mouse IL1R1 in a functional ELISA.

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$2,998.00

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Data sheet

Molecular WeightThe recombinant mouse IL1β consists of 153 amino acids and has a predicted molecular mass of 17.5 kDa. It migrates as an approximately 19 kDa band in SDS-PAGE under reducing conditions as predicted.
Storage ConditionSamples are stable for up to twelve months from date of receipt at -70℃. Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Purity97% as determined by SDS-PAGE

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Protein Construction: A DNA sequence encoding the mature form of mouse IL1β (P10749) (Val 118-Ser 269) was expressed, with an initial Met at the C-terminus.

Formulation: Lyophilized from sterile PBS, pH 7.41. Normally 5% - 8% trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.2. Please contact us for any concerns or special requirements.Please refer to the specific buffer information in the hard copy of CoA.

Reconstitution: A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.

IL-1 beta Background Information: Interleukin-1 beta (IL1 beta or IL1B) also known as catabolin, is a member of the interleukin 1 cytokine family. IL1 is a pleiotropic cytokine. It is involved in the inflammatory response, cell growth, and tissue repair in the cortex. The IL1 superfamily consists of three members, IL1A (IL1 alpha), IL1B (IL1 beta), and IL1 receptor antagonist (IL1Ra). In clinical, it has been reported that Interleukin (IL)-1 may influence Th1 / Th2 immune responsiveness and has been implicated in the establishment of successful pregnancy. Proinflammatory interleukin (IL)-1 gene polymorphisms associated with high levels of IL-1beta activity increase the risk for hypochlorhydria and distal gastric carcinoma. IL1B polymorphisms may be involved in susceptibility to SSc. Moreover, the IL2-384-G allele may be a marker for the limited phenotype of systemic sclerosis (SSc).

References:

  • Kim SH, et al. (2008) Association of -31TC and -511 CT polymorphisms in the interleukin 1 beta (IL1B) promoter in Korean keratoconus patients. Mol Vis. 14:2109-16.
  • Wang ZC, et al. (2002) T helper 1-type immunity to trophoblast antigens in women with a history of recurrent pregnancy loss is associated with polymorphism of the IL1B promoter region. Genes Immun. 3(1): 38-42.
  • Mattuzzi S, et al. (2007) Association of polymorphisms in the IL1B and IL2 genes with susceptibility and severity of systemic sclerosis. J Rheumatol. 34(5): 997-1004.