货号 | BAF2524 |
别名 | Hematopoietic growth factor; IL-3MGC79398; interleukin 3 (colony-stimulating factor, multiple); interleukin-3; Mast cell growth factor; mast-cell growth factor; MCGFMGC79399; MULTI-CSF; multilineage-colony-stimulating factor; Multipotential colony-stimulating factor; P-cell stimulating factor; P-cell-stimulating factor | 全称 | Interleukin 3 |
反应种属 | Rat |
应用 | Western Blot(0.1 µg/mL) Immunocytochemistry(5-15 µg/mL) |
目标/特异性 | Detects rat IL‑3 in Western blots. In Western blots, approximately 5% cross-reactivity with recombinant mouse IL-3 is observed and less than 1% cross-reactivity with recombinant human IL-3 is observed. |
使用方法 | Western Blot: 0.1 µg/mL Immunocytochemistry: 5-15 µg/mL |
来源 | Reconstitute at 0.2 mg/mL in sterile PBS. |
产品组分 |
供应商 | R&D Systems |
Entrez Gene IDs | 3562 (Human); 16187 (Mouse); 24495 (Rat) |
纯化方式 | Antigen Affinity-purified |
免疫原 | E. coli-derived recombinant rat IL‑3 Ile27-Cys169 Accession # NP_113701 |
生物活性 | Rat |
标记 | Biotin |
溶解方法 | Reconstitute at 0.2 mg/mL in sterile PBS. |
背景 | Rat interleukin-3 (IL-3; also multi-CSF) is a 26 kDa, variably glycosylated monomeric polypeptide that belongs to the alpha -helix family of hematopoietic cytokines (1, 2). IL-3 has pleiotrophic activies on a number of hematopoietic-related cells (1, 3). The rat molecule has two alternate splice forms. The first is termed IL-3 beta and is synthesized as a 169 amino acid (aa) precursor that contains a 27 aa signal sequence and a 142 aa mature segment (1, 2). The second is called IL-3 alpha, and is identical to IL-3 beta, save for a three amino acid (Tyr-Pro-Gln) deletion at positions 56-58 (1). The beta form is considered the most common form. Each form has an alpha -helical structure with two intrachain disulfide bonds and two potential N-linked glycosylation sites. Rat IL-3 is generally considered to be species-specific in its activity. In the mature region, rat IL-3 shares 55%, 30%, and 24% aa sequence identity with mouse, human, and bovine IL-3, respectively. Cells known to express IL-3 include connective tissue mast cells, astrocytes, microglia, megakaryocytes, eosinophils, T cells, keratinocytes and thymic epithelium. IL-3 exerts its biological activities by binding to a 70 kDa, low affinity, ligand-binding IL-3 R alpha subunit, (6) which then recruits a 120 kDa, common beta -chain, signal transducing subunit (7) to form a functional IL-3 receptor (1, 6, 7). Receptors for IL-3 are present on bone marrow progenitors, macrophages, mast cells, eosinophils, megakaryocytes, basophils, and various myeloid leukemic cells. IL-3 can stimulate the proliferation and differentiation of pluripotent hematopoietic stem cells as well as various lineage committed progenitors including those for neutrophils, macrophages, magakaryocytes, and erythroid cells. IL-3 can stimulate the growth of early B cells and mature macrophages, mast cells, eosinophils, basophils, and megakaryocytes. IL-3 augments the function activity of basophils, mast cells, eosinophils, and macrophages (1, 8). In combination with other molecules such as CD40L and or IL-4, IL-3 can stimulate production of dendritic cells (1, 2, 9, 10). |
运输条件 | Blue Ice |
存放说明 | -20℃ |
参考文献 |
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IL‑3 in Rat Splenocytes. IL‑3 was detected in immersion fixed rat splenocytes using Goat Anti-Rat IL‑3 Biotinylated Antigen Affinity-purified Polyclonal Antibody (Catalog # BAF2524) at 15 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Streptavidin (red; Catalog # NL999) and counterstained with DAPI (blue). Specific staining was localized to cell surfaces. View our protocol for Fluorescent ICC Staining of Non-adherent Cells. |