Recombinant Mouse IL1B

Recombinant Mouse IL1B

• Description: Monocytes are the main source of secreted IL-1. They express predominantly IL1-beta while human keratinocytes express large amounts of IL-1-alpha. Murine macrophages display a transition from IL-1-beta to IL-1-alpha production during maturation of monocytes into inflammatory macrophages. There are two functionally almost equivalent forms of IL-1, IL-1-alpha and IL-1-beta that are encoded by two different genes. IL-1-beta is the predominant form in humans while it is IL-1-alpha in mice. Both forms of IL1 bind to the same receptor and therefore also show similar if not identical biological activities. The IL-1-beta but not the IL-1-alpha precursor must be processed before it can bind to the receptor. Both forms of IL-1 bind to the same receptor and therefore also show similar if not identical biological activities. The receptor isolated from T-cells is expressed predominantly on T-cells and cells of mesenchymal origin. It binds both types of IL-1 with equal affinity. This type is called also Type 1 receptor. It has been designated CD121a. The Type 2 receptor has been designated CD121b. It is isolated from B-cells, granulocytes, and macrophages. It is expressed predominantly on B-cells and cells of the myelomonocytic lineage and is encoded by a separate gene.
• CAS Number: 9000-83-3
• Gene Name: IL1B
• Gene Aliases: IL-1 beta, IL1b
  Recombinant Mouse Interleukin-1 Beta (IL1B)
• Gene ID: 16176
• Accession Number: P10749
• Organism: Mouse
• Source: E. coli
• Concentration: < 1.0 EU/μg of recombinant protein as determined by the LAL method.
• Purity: >95% as determined by SDS-PAGE
• Solubility: A quick spin of the vial followed by reconstitution in distilled water to a concentration not less than 0.1 mg/mL. This solution can then be diluted into other buffers.
• Function: The ED(50) was determined by the dose-dependent stimulation of thymidine uptake by murine D10S cells is ≤ 2.0 pg/mL, corresponding to a specific activity of ≥ 5.0 x 10^8 units/mg.
• Molecular Weight: 17
• Shipping Conditions: Ambient Temperature
• Storage Conditions: The lyophilized protein is stable for at least one year from date of receipt at -70°C. Upon reconstitution, this cytokine can be stored in working aliquots at 2° - 8°C for one month, or at -20°C for six months, with a carrier protein without detectable loss of activity. Avoid repeated freeze/thaw cycles.
• Appearance: Lyophilized Powder
• Formulation: Mouse IL-1 beta was lyophilized from a 0.2 μm filtered solution in PBS, pH 7.