Human IL-1 alpha / IL1A / IL1F1 Protein

Protein Construction: The processed form of human IL1α (NP_000566.3) (Ser 113-Ala 271) was expressed and purified.

Formulation: Lyophilized from sterile 50mM Tris, 100mM NaCl, pH 8.01. 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 alpha Background Information: IL-1 alpha is a member of the interleukin 1 cytokine family. Cytokines are proteinaceous signaling compounds that are major mediators of the immune response. They control many different cellular functions including proliferation, differentiation and cell survival/apoptosis but are also involved in several pathophysiological processes including viral infections and autoimmune diseases. Cytokines are synthesized under various stimuli by a variety of cells of both the innate (monocytes, macrophages, dendritic cells) and adaptive (T- and B-cells) immune systems. Cytokines can be classified into two groups: pro- and anti-inflammatory. Pro-inflammatory cytokines, including IFNgamma, IL-1, IL-6 and TNF-alpha, are predominantly derived from the innate immune cells and Th1 cells. Anti-inflammatory cytokines, including IL-1, IL-4, IL-13 and IL-5, are synthesized from Th2 immune cells. IL-1 alpha is a pleiotropic cytokine involved in various immune responses, inflammatory processes, and hematopoiesis. It is produced by monocytes and macrophages as a proprotein, which is proteolytically processed and released in response to cell injury, and thus induces apoptosis. IL-1 alpha stimulates thymocyte proliferation by inducing IL-2 release, B-cell maturation and proliferation, and fibroblast growth factor activity.

References:

• Nicklin MJ,et al. (1994) A physical map of the region encompassing the human interleukin-1 alpha, interleukin-1 beta, and interleukin-1 receptor antagonist genes. Genomics. 19(2):382-4.
• March CJ, et al. (1985) Cloning, sequence and expression of two distinct human interleukin-1 complementary DNAs. Nature. 315(6021):641-7.
• Bankers-Fulbright JL, et al. (1996) Interleukin-1 signal transduction. Life Sci. 59(2):61-83.
• Dinarello CA, et al. (1997) Induction of interleukin-1 and interleukin-1 receptor antagonist. Semin Oncol. 24 (3 Suppl 9):S9-81-S9-93.

Samples 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.