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GROWTH FACTORS - IL1A (I861-40N)

Product Name Catalog Number Pack Size Price(USD)  
IL1A I861-40N-10 10 ug $248 Contact Us
IL1A I861-40N-100 100 ug $941 Contact Us
IL1A I861-40N-BULK BULK Contact Us  


Description: Recombinant Human IL1A was expressed in E. coli cells.


Storage, Stability and Shipping : The lyophilized protein is stable for at least one year from date of receipt at -70oC. Upon reconstitution, this cytokine can be stored in working aliquots at 2o - 8oC for one month, or at -20oC for six months, with a carrier protein without detectable loss of activity. Avoid repeated freeze/thaw cycles.

Applications : Cell Assay

Endotoxin Level : <1.0 EU/μg of recombinant protein as determined by the LAL method

Molecular Weight : 18.0 kDa

Gene Aliases : Hematopoietin-1, Lymphocyte-activating factor, LAF, Mononuclear Cell Factor, MCF, IL1F1, Recombinant Human Interleukin-1 Alpha (IL1A)

Reconstitution Protocol : 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.

Scientific Background : There are two functionally comparable forms of IL1: IL1A and IL1B, that are encoded by two different genes. IL1B is the predominant form in humans while, it is IL1A in mice. Both forms of IL1 bind to the same receptor and therefore show similar, if not identical, biological activities. Latter include but not limited to, stimulation of T-helper cells, promotion, proliferation and synthesis of immunoglobulins and the activation of fibroblasts and NK cells. Unlike IL1B, the IL1A precursor does not require processing before it can bind to the receptor. Monocytes are the main source of secreted IL1B while human keratinocytes are known to express large amounts of IL1A. Recombinant Human IL1A is a non-glycosylated polypeptide of 18 kDa.

Sample Cell Assay Data : The ED50 as determined by the dose-dependent stimulation of murine D10S cells was found to be ≤ 0.002 ng/mL



Purity : Recombinant Human IL1A resolved on a 15% SDS-PAGE gel under reducing conditions and stained with Coomassie Brilliant Blue G-250



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