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Recombinant Human SCF Protein

Recombinant Human SCF Protein
Recombinant Human SCF Protein
  • Stock: In Stock
  • Model: GMP-TL504
$338.00

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Stem Cell Factor, also known as SCF, kit-ligand, KL, steel factor, KITLG, FPH2, KL-1, Kitl, MGF, SCF, SF, or SHEP7, is a dimeric molecule that exerts its biological functions by binding to and activating the receptor tyrosine kinase c-Kit. Activation of c-Kit leads to its autophosphorylation and initiation of signal transduction. Signaling proteins are recruited to activated c-Kit by certain interaction domains that specifically bind to phosphorylated tyrosine residues in the intracellular region of c-Kit. Binding of SCF to C-kit induces receptor dimerization and autophosphorylation of tyrosine residues in the cytoplasmic domain. Tyrosine phosphorylation initiates multiple signaling pathways including RAS, PI3 kinase, Src, and JAK/STAT. However, SCF is a versatile factor in the differentiation of many specific cell types like spermatogonial stem cells and megakaryocyte progenitors. Apart from differentiation, SCF also can maintain stemness in cells. For clinical application, SCF is used in combination with other cytokines to generate myeloid-derived suppressor cells from human umbilical cord blood. SCF is also used to generate T cells for cell-based therapies, drug screening and disease modeling. In regenerative studies, SCF is applied in wound healing hydrogel as a means of increasing its adhesion strength and tissue regeneration.


Cytokines
Expression Host HEK293 cells
Synonym C-kitligand,DCUA,FPH2,FPHH,Kitl,KL-1,MGF,SCF,SF,SHEP7
Protein Sequence A DNA sequence encoding the human SCF (NP_000890.1) was expressed with a His-tag at the C-terminus.
Molecular Mass The recombinant human SCF protein consists of 170 amino acids and predicts a molecular mass of 19.3 kD.
QC Testing Purity > 90 % as determined by SDS-PAGE.
Endotoxin < 0.1EU per 1 μg of the protein by the LAL method.
Activity Measured in a cell proliferation assay using Mo7e cells, corresponding to a activity of ≥2.0x10⁵IU/mg.
Formulation Lyophilized from sterile PBS, pH 7.4. Normally 6 % mannitol are added as protectants before lyophilization.
Stability Lyophilized preparation can be stored at -20 ℃. 6 months at -20℃ under sterile conditions after reconstitution. 12 months at -80℃ under sterile conditions after reconstitution.
Storage Recommend to aliquot the protein into smaller quantities after reconstituting with water for injection, normal saline or PBS, and keep the diluted concentration above 100μg/mL. Avoid repeated freeze-thaw cycles.
Thumb File information
GMP-TL504_SDS.pdf 161.61KB 134
GMP-TL504_Product Sheet.pdf 80.47KB 105

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