Human SCF/c-kit Ligand Antibody

(9 citations)   
  • Species Reactivity
    Human
  • Specificity
    Detects human SCF/c-kit Ligand in direct ELISAs and Western blots. In direct ELISAs, less than 60% cross-reactivity with recombinant mouse SCF is observed.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant human SCF/c-kit Ligand (R&D Systems, Catalog # 255-SC)
    Glu26-Ala189
    Accession # P21583
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Endotoxin Level
    <0.10 EU per 1 μg of the antibody by the LAL method.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    0.1 µg/mL
    Recombinant Human SCF/c-kit Ligand (Catalog # 255-SC)
  • Neutralization
    Measured by its ability to neutralize SCF/c‑kit Ligand-induced proliferation in the TF‑1 human erythroleukemic cell line [Kitamura, T. et al. (1989) J. Cell Physiol. 140:323]. The Neutralization Dose (ND50) is typically 0.05-0.3 µg/mL in the presence of 10 ng/mL Recombinant Human SCF/c‑kit Ligand.
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Cell Proliferation Induced by SCF/c‑kit Ligand and Neutralization by Human SCF/c‑kit Ligand Antibody. Recombinant Human SCF/c‑kit Ligand (Catalog # 255-SC) stimulates proliferation in the TF‑1 human erythroleukemic cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Human SCF/c‑kit Ligand (10 ng/mL) is neutralized (green line) by increasing concentrations of Human SCF/c-kit Ligand Antigen Affinity-purified Polyclonal Antibody (Catalog # AF-255-NA). The ND50 is typically 0.05‑0.3 µg/mL.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: SCF/c-kit Ligand

Stem cell factor (SCF), also known as c-kit ligand (KL), mast cell growth factor (MGF), and steel factor (SLF), is a widely expressed 28-40 kDa 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. SCF is a primary growth and activation factor for mast cells and eosinophils. Mature human SCF consists of a 189 amino acid (aa) extracellular domain (ECD), a 23 aa transmembrane segment, and a 36 aa cytoplasmic tail. The ECD shows both N-linked and O-linked glycosylation. Proteolytic cleavage at two alternate sites in the extracellular juxtamembrane region releases a 25 kDa soluble molecule which is comparable to the only form produced by Steel-dickie mutant mice. An alternately spliced isoform of human SCF lacks 28 aa that encompasses the primary proteolytic recognition site. Within the ECD of the short isoform (corresponding to this recombinant protein), human SCF shares 75-83% aa sequence identity with canine, feline, mouse, and rat SCF. Rat SCF is active on mouse and human cells, but human SCF is only weakly active on mouse cells. Noncovalent dimers of transmembrane or soluble SCF interact with the receptor tyrosine kinase SCF R/c-kit to trigger receptor dimerization and signaling. SCF assists in the recovery of cardiac function following myocardial infarction by increasing the number of cardiomyocytes and vascular channels.

  • Long Name:
    Stem Cell Factor
  • Entrez Gene IDs:
    4254 (Human); 17311 (Mouse); 60427 (Rat); 403507 (Canine); 493937 (Feline)
  • Alternate Names:
    c-kit Ligand; DKFZp686F2250; familial progressive hyperpigmentation 2; FPH2; KIT ligand; Kitl; KITLG; KL-1; Mast cell growth factor; MGF; MGFSHEP7; SCF; SCFStem cell factor; SFc-Kit ligand; SLF; steel factor
Related Research Areas
Citations:

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

9 Citations: Showing 1 - 9
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Species
Applications
Sample Type
  1. Hematopoietic stem cell cytokines and fibroblast growth factor-2 stimulate human endothelial cell-pericyte tube co-assembly in 3D fibrin matrices under serum-free defined conditions.
    Authors: Smith A, Bowers S, Stratman A, Davis G
    PLoS ONE, 2013;8(12):e85147.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  2. The fibroblast-derived paracrine factor neuregulin-1 has a novel role in regulating the constitutive color and melanocyte function in human skin.
    Authors: Choi W, Wolber R, Gerwat W
    J. Cell. Sci., 2010;123(0):3102-11.
    Species: Human
    Sample Type: Cell Lysates
    Application: WB
  3. SCF-mediated mast cell infiltration and activation exacerbate the inflammation and immunosuppression in tumor microenvironment.
    Authors: Huang B, Lei Z, Zhang GM, Li D, Song C, Li B, Liu Y, Yuan Y, Unkeless J, Xiong H, Feng ZH
    Blood, 2008;112(4):1269-79.
    Species: Human
    Sample Type: Cell Lysates
    Application: WB
  4. Human airway epithelial cell determinants of survival and functional phenotype for primary human mast cells.
    Authors: Hsieh FH, Sharma P, Gibbons A, Goggans T, Erzurum SC, Haque SJ
    Proc. Natl. Acad. Sci. U.S.A., 2005;102(40):14380-5.
    Species: Human
    Sample Type: Whole Cells
    Application: ICC
  5. Growth factor displayed on the surface of retroviral particles without manipulation of envelope proteins is biologically active and can enhance transduction.
    Authors: Chandrashekran A, Gordon MY, Darling D, Farzaneh F, Casimir C
    J Gene Med, 2004;6(11):1189-96.
    Species: Human
    Sample Type: Cell Culture Supernates
    Application: IP
  6. Growth factor displayed on the surface of retroviral particles without manipulation of envelope proteins is biologically active and can enhance transduction.
    Authors: Chandrashekran A, Gordon MY, Darling D, Farzaneh F, Casimir C
    J Gene Med, 2004;6(11):1189-96.
    Species: Human
    Sample Type: Cell Culture Supernates
    Application: IP
  7. Growth differentiation factor-9 and stem cell factor promote primordial follicle formation in the hamster: modulation by follicle-stimulating hormone.
    Authors: Wang J, Roy SK
    Biol. Reprod., 2004;70(3):577-85.
    Species: Hamster
    Sample Type: Whole Cells
    Application: Neut
  8. Fibroblasts from human spleen regulate NK cell differentiation from blood CD34(+) progenitors via cell surface IL-15.
    Authors: Briard D, Brouty-Boye D, Azzarone B, Jasmin C
    J. Immunol., 2002;168(9):4326-32.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  9. Human T-cell leukemia virus type 2 induces survival and proliferation of CD34(+) TF-1 cells through activation of STAT1 and STAT5 by secretion of interferon-gamma and granulocyte macrophage-colony-stimulating factor.
    Authors: Bovolenta C, Pilotti E, Mauri M, Turci M, Ciancianaini P, Fisicaro P, Bertazzoni U, Poli G, Casoli C
    Blood, 2002;99(1):224-31.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
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