Animal Free Recombinant Human SCF; 10ug

Stock Code: 3571802
Manufacturer Part No: GF312
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Application


Research CategoryStem Cell Research


Research Sub CategoryGrowth Factors & Receptors


Disclaimer


Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.


General description


Product Source: E. coli


Stem cell factor (SCF), also known as ckit ligand (KL), mast cell growth factor (MGF), and steel factor (SLF), is a widely expressed 28-40kDa type I transmembrane glycoprotein. It promotes the survival, differentiation, and mobilization of multiple cell types including myeloid, erythroid, megakaryocytic, lymphoid, germ cell, and melanocyte progenitors. Human SCF manifests low activity on murine cells, while murine and rat SCF are fully active on human cells. Recombinant human SCF is an 18.4 kDa polypeptide containing 165 amino acid residues, which corresponds to the sequence of the secreted soluble form of SCF.


Physical form


Recombinant animal free human SCF is manufactured using all non-animal reagents


Product is filtered through a 0.2 micron filter before lyophilization.


Quality


Bioactivity assay: The ED50 was determined by the dose-dependent stimulation of the proliferation of human TF-1 cells is ≤ 2.0 ng/ml, corresponding to a specific activity of ≥ 5 x 105 units/mg.


Specificity


Cross ReactivtyMonkey


Storage and Stability


Store at -20°C for up to 6 months from date of receipt.

Quality Level100
ManufacturerSIGMA-ALDRICH
Impurities﹤0.1 µg/mg protein endotoxin (<1EU/µg)
Assay>98% (SDS-PAGE and HPLC)

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