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Invitrogen
Human IL-1 alpha Recombinant Protein
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Product Details
RIL1AI
Product Specifications
Species
Human
Expression System
P. pastoris
Amino acid sequence
Human IL-1 alpha, amino acids 113-271 (Accession # P01583)
Molecular weight
18 kDa
Class
Recombinant
Type
Protein
Purity
>95% by SDS-PAGE
Activity
ED50 = 7.9 - 13.5 pg/mL; determined by the dose-dependent proliferation of mouse D10S cells.
Conjugate
Form
Lyophilized
Amount
20 µg
Purification
purified
Storage buffer
PBS
Contains
no preservative
Storage conditions
4°C
Shipping conditions
Wet ice
Product Specific Information
Mature human IL-1a was expressed in Pichia pastoris, KM71H. GenBank Accession # P01583, amino acids 113 - 271. For protein verification, the expressed protein was N-terminal sequenced and begins with the following 10 amino acids: SAPFSFLSNV. Purity is >95% by SDS-PAGE analysis.
Activity: The ED50 typically falls into the range of 7.9 - 13.5 pg/mL in proliferation assays of mouse D10S cells.
Use: For in vitro applications. A dose-response assay should be performed to determine the optimal concentration for specific experiments.
Reconstitution and Dilution: Store lyophilized material at 4°C. Reconstitute in 0.5 mL of distilled or deionized water. Dilute in a buffer-containing carrier protein, aliquot, and store at or below -70°C, avoiding multiple freeze-thaw cycles. PBS with 1% BSA or a neutral media containing <10% FCS are suitable buffers.
Target Information
IL-1 alpha (Interleukin-1 alpha) is a proinflammatory cytokine expressed by monocytes, macrophages, and dendritic cells. IL-1 alpha is coded by the IL1A gene and signals through two receptors, IL-1RI and IL-1RII, both of which are shared with IL-1 beta. IL1A is located on the q arm on chromosome 2 at position 13. IL-1 alpha plays an important role in innate host defense by triggering the production of other proinflammatory cytokines in target cells and initiating acute-phase responses. IL-1 alpha activity can be moderated by IL-1 Receptor Antagonist (IL-1RA), a protein produced by many cell types that blocks receptor binding through competitive inhibition. IL-1 alpha is a pleiotropic cytokine involved in various immune responses, inflammatory processes, and hematopoiesis. Further, IL-1 alpha is produced by monocytes and macrophages as a proprotein, which is proteolytically processed and released in response to cell injury and induces apoptosis. The IL1A gene and eight other interleukin 1 family genes form a cytokine gene cluster on chromosome 2. IL1 alpha regulates the activities of NF-kappaB and mitogen-activated protein kinases. IL-1 alpha can stimulate the expression of IL6 and cyclooxygenase-2 (PTGS2/COX-2), as well as enhance the production of nitric oxide (NO). High levels of IL-1 alpha are associated with several chronic inflammatory diseases including rheumatoid arthritis, psoriasis and multiple sclerosis.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Bioinformatics
Protein Aliases: CTLA8; Hematopoietin-1; IL 1 a; IL 1α; IL-1 alpha; IL17; IL1A; IL1α; ILN; Interleukin; interleukin 17; Interleukin-1 alpha; Interleukin-17A; Interleukin1 alpha; preinterleukin 1 alpha; pro-interleukin-1-alpha; RP23-160G19.8; unnamed protein product
Gene Aliases: IL-1 alpha; IL-1A; IL1; IL1-ALPHA; IL1A; IL1F1
UniProt ID: (Human) P01583
Entrez Gene ID: (Human) 3552
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