Human KGF/重组人角质细胞生长因子
产品编号:100-059
产品规格:10μg
Description: Human Keratinocyte Growth Factor (KGF) is a 18.9 kDa protein containing 163 amino acid residues. KGF is a potent mitogen for keratinocytes and epithelial cells.
Source: E.coli
Molecular Weight: 18.9 kDa
Purity: > 98 % (SDS-PAGE, HPLC)
Endotoxin level/内毒素水平: < 0.1 ng per ug of KGF
Stabilizer: none Formulation: lyophilized
Biological Activity: The biological activity of human KGF was determined by its mitogenic activity on BaF3 cells expressing the FGF receptor 2b (KGF receptor). The assay is done in the presence of 10% newborn calf serum amd 2 mg/mg heparin. The as determined by the dose-dependent stimulation of thymidine uptake by KGF-responseive BaF3 cells is < 10.0 ng/ml.
Reconstitution: The lyophilized KGF is most stable at concentrations above 0.5 mg/ml solutions containing 30 mM to 400 mM NaCl. Therefore, it is recommended to reconstitute the lyophilized KGF in PBS to a concentration of 1.0 mg/ml. Further dilutions should be made into buffer containing protein or medium containing serum.
Stability: The lyophilized KGF, though stable at room temperature, is best stored desiccated below 0°C. Reconstituted KGF should be stored in working aliquots at-20°C to –70°C. Avoid repeated freeze-thaw cycles.
Usage: Human KGF is offered for research use. Not for drug use. Not for human use.