| 货号 | AF2278 |
| 描述 | For ELISA the Antibody Pairs information：Capture antibody：AF2278；Detection antibody：BAF2278; and protein: 2278-SC-025 |
| 别名 | c-kit Ligand; DKFZp686F2250; familial progressive hyperpigmentation 2; FPH2; KIT ligand; Kitl; KITLG; KL-1; Mast cell growth factor; MGF; MGFSHEP7; SCFStem cell factor; SFc-Kit ligand; SLF; steel factor | 全称 | Stem Cell Factor |
| 反应种属 | Canine |
| 应用 | Western Blot,Immunocytochemistry,ELISA Capture (Matched Antibody Pair),ELISA Detection (Matched Antibody Pair),ELISA Standard ,Neutralization |
| 目标/特异性 | Detects canine SCF/c‑kit Ligand in ELISAs and Western blots. In sandwich immunoassays, less than 20% cross-reactivity with recombinant feline SCF is observed, less than 8% cross-reactivity with recombinant human SCF is observed, and less than 0.5% cross-reactivity with recombinant mouse SCF is observed. |
| 使用方法 | Western Blot: 0.1 µg/mL Immunocytochemistry: 5-15 µg/mL ELISA Capture (Matched Antibody Pair): 0.2-0.8 µg/mL ELISA Detection (Matched Antibody Pair): 0.1-0.4 µg/mL ELISA Standard : 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 0.1-0.3 µg/mL in the presence of 5 ng/mL Recombinant Canine SCF/c‑kit Ligand. |
| 来源 | Polyclonal Goat IgG |
| 产品组分 |
| 供应商 | R&D Systems |
| Entrez Gene IDs | 4254 (Human); 17311 (Mouse); 60427 (Rat); 403507 (Canine); 493937 (Feline) |
| 纯化方式 | Antigen Affinity-purified |
| 免疫原 | E. coli-derived recombinant canine SCF/c‑kit Ligand Lys26-Ala190 Accession # Q06220 |
| 内毒素水平 | <0.10 EU per 1 μg of the antibody by the LAL method. |
| 生物活性 | Canine |
| 标记 | Unconjugated |
| 溶解方法 | Reconstitute at 0.2 mg/mL in sterile PBS. |
| 背景 | Canine SCF (stem cell factor; also known as c‑kit ligand) is a type I transmembrane (TM) glycoprotein that plays an important role in a number of fetal and adult developmental processes (1‑4). It is synthesized as a 274 amino acid (aa) precursor that contains a 25 aa signal sequence, a 190 aa extracellular region, a 23 aa TM segment and a 36 aa cytoplasmic tail (5). Within the extracellular region there are four potential N‑linked glycosylation sites, two intrachain disulfide bonds, and four alpha ‑helices. Although the predicted molecular weight is 19 kDa, the native molecule is anywhere from 28‑40 kDa in size and reflects both N‑ and O‑linked glycosylation (1). Glycosylation is not necessary for bioactivity (6). The transmembrane form of SCF can be cleaved proteolytically, generating a 165 aa soluble form. Circulating SCF exists as both a monomer and nondisulfide‑linked homodimer, with monomer predominating (50% to 75%) (6). Both the soluble and TM forms have bioactivity. Their principal targets may be different, however (7). A second, alternate splice short form of SCF has been identified in other species (1). It is membrane bound but lacks the proteolytic cleavage site found in the long form. Thus, it cannot give rise to a soluble molecule. No such isoform has been reported for canine, but it could be assumed to exist. The ratio of long form to short form varies from tissue to tissue (1). Soluble canine SCF shares 88%, 93%, 86%, 83%, 76%, 76%, 86% and 88% aa sequence identity with porcine, feline, bovine, human, mouse, rat, goat and equine SCF, respectively. Cells known to express SCF include endothelial cells, fibroblasts and keratinocytes (1). |
| 运输条件 | Blue Ice |
| 存放说明 | -20℃ |
| 参考文献 |
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Cell Proliferation Induced by SCF/c‑kit Ligand and Neutralization by Canine SCF/c‑kit Ligand Antibody. Recombinant Canine SCF/c‑kit Ligand (Catalog # 2278-SC) stimulates proliferation in the TF‑1 human erythroleukemic cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Canine SCF/c‑kit Ligand (5 ng/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Canine SCF/ c-kit Ligand Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2278). The ND50 is typically 0.1‑0.3 µg/mL. | |
SCF/c‑kit Ligand in Canine PBMCs. SCF/c‑kit Ligand was detected in immersion fixed canine peripheral blood mononuclear cells (PBMCs) using Goat Anti-Canine SCF/c‑kit Ligand Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2278) at 15 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI (blue). Specific staining was localized to plasma membrane. View our protocol for Fluorescent ICC Staining of Non-adherent Cells. |
