RecombinantIL-1β, Human (CHO-expressed)
Interleukin 1 beta is a proinflammatory cytokine produced in a variety of cells including monocytes, tissue macrophages, keratinocytes and other epithelial cells. Both IL-1 alpha and IL-1 beta binds to the same receptor and has similar if not identical biological properties. These cytokines have a broad range of activities including, stimulation of thymocyte proliferation, by inducing IL-2 release, B-cell maturation and proliferation, mitogenic FGF-like activity and the ability to stimulate the release of prostaglandin and collagenase from synovial cells. However, whereas IL-1 beta is a secreted cytokine, IL-1 alpha is predominantly a cell-associated cytokine.
Product Specifications
CAS Number
9000-83-3
Endotoxin
<0.2 EU/μg, determined by LAL method.
Purity
> 95% as analyzed by SDS-PAGE and HPLC.
Bioactivity
ED50< 10 pg/ml, measured in a cell proliferation assay using D10S cells, corresponding to a specific activity of >1 x 10ˆ8 units/mg.
Reconstitution
Reconstituted in ddH2O or PBS at 100 μg/ml.
Molecular Weight
17kDa, observed by non-reducing SDS-PAGE.
Storage Conditions
Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation
Lyophilized after extensive dialysis against PBS.
Host or Source
CHO
Recommended Usage
This material is offered by USA Bioworld biotech for research, laboratory or further evaluation purposes. For research use only.
AA Sequence
Available Sizes
Frequently Asked Questions
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