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Recombinant Human MIF
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|Alternative Names||Glycosylation-inhibiting factor, GIF, L-dopachrome isomerase, L-dopachrome tautomerase, EC=188.8.131.52, Phenylpyruvate tautomerase, GLIF, MMIF, MIF
Recombinant Human Macrophage Migration Inhibitory Factor (MIF)
|Description||Macrophage Migration Inhibitory Factor (MIF) is a proinflammatory cytokine. MIF is involved in the innate immune response to bacterial pathogens. The expression of MIF at sites of inflammation suggests a role as mediator in regulating the function of macrophages in host defense. Counteracts the anti-inflammatory activity of glucocorticoids. Has phenylpyruvate tautomerase and dopachrome tautomerase activity (in vitro), but the physiological substrate is not known. It is not clear whether the tautomerase activity has any physiological relevance, and whether it is important for cytokine activity.|
|Molecular Weight||15.0 kDa|
|Endotoxin Level||<1.0 EU/μg of recombinant protein as determined by the LAL method.|
|Purity||>95% as determined by SDS-PAGE|
|Bioactivity||The activity was determined by the ability to bind recombinant human CD74 in functional ELISA.|
|Formulation||Recombinant human MIF was lyophilized from a 0.2 μm filtered solution PBS pH 7.4|
|Reconstitution||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.|
|Storage||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.|
|Usage||For research use only. Not for diagnostic or therapeutic use.|
· Endotoxin is generally measured in Endotoxin Units per milliliter (EU/mL).
· For recombinant proteins: EU is reported per microgram of protein.
· One EU = 0.1-0.2 ng endotoxin/µg of protein.
· At abm, we do the LAL chromogenic assays that can detect down to 0.01 EU/ml.