| 货号 | AF343-SP |
| 别名 | chemokine (C-C motif) ligand 24; Ckb-6; Eosinophil chemotactic protein 2; Eotaxin-2; member 24; MPIF-2; MPIF2Myeloid progenitor inhibitory factor 2; MPIF-2Small-inducible cytokine A24; SCYA24CK-beta-6 |
| 反应种属 | Human |
| 应用 | Western Blot(0.1 µg/mL) Immunohistochemistry(5-15 µg/mL) |
| 目标/特异性 | Detects human CCL24/Eotaxin‑2/MPIF‑2 in direct ELISAs and Western blots. In direct ELISAs and Western blots, approximately 10% cross‑reactivity with recombinant mouse CCL24/Eotaxin-2/MPIF-2 is observed and less than 5% cross‑reactivity with recombinant human (rh) MPIF-1 is observed. |
| 使用方法 | Western Blot: 0.1 µg/mL Immunohistochemistry: 5-15 µg/mL Neutralization: Measured by its ability to neutralize CCL24/Eotaxin‑2/MPIF‑2-induced chemotaxis in the BaF3 mouse pro‑B cell line transfected with mouse CCR3. The Neutralization Dose (ND50) is typically 0.5-2.5 µg/mL in the presence of 0.1 µg/mL Recombinant Human CCL24/Eotaxin‑2/MPIF‑2. |
| 来源 | Polyclonal Goat IgG |
| 产品组分 |
| 供应商 | R&D Systems |
| Entrez Gene IDs | 6369 (Human); 56221 (Mouse) |
| 应用文献 | |
| 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. Mast cell beta-tryptase selectively cleaves eotaxin and RANTES and abrogates their eosinophil chemotactic activities. | |
| 纯化方式 | Antigen Affinity-purified |
| 免疫原 | E. coli-derived recombinant human CCL24/Eotaxin‑2/MPIF‑2 Val27-Cys119 Accession # AAB51135 |
| 内毒素水平 | <0.10 EU per 1 μg of the antibody by the LAL method. |
| 生物活性 | Human |
| 标记 | Unconjugated |
| 溶解方法 | Reconstitute at 0.2 mg/mL in sterile PBS. |
| 背景 | Eotaxin, also named MPIF-2 and Ck beta 6, is a novel CC chemokine identified in the Human Genome Sciences, Inc. database based on the presence of the CC motif and homology with other known CC chemokines. Eotaxin-2 cDNA encodes a 119 amino acid residue precursor protein with a 26 aa residue signal peptide that is cleaved to generate a mature protein predicted to contain 93 amino acid residues with an N-glycosylation site. Although one recombinant preparation of MPIF‑2/Eotaxin‑2 from insect cells was reported to be glycosylated and of the predicted size (10.5 kDa), a second preparation of recombinant Eotaxin-2 prepared by a different group, also from insect cells, was shown to contain a 78 amino acid residue carboxy-terminally truncated variant of Eotaxin-2. Additional minor carboxy‑terminally truncated variants with 73, 75 and 76 residues were also isolated. Compared to other CC chemokines, Eotaxin-2 exhibits 40%, 42% and 39% amino acid identity to MCP-3, MIP-1 alpha, and Eotaxin, respectively. Eotaxin-2 mRNA is weakly expressed in activated monocytes and T lymphocytes. Recombinant Eotaxin-2 has been shown to induce chemotaxis of eosinophils, basophils, and resting T lymphocytes but not monocytes and activated T lymphocytes. Eotaxin-2 has also been shown to suppress the colony formation by the high proliferative potential colony-forming cells which represent multipotential hematopoietic progenitors. On eosinophils, the effects of Eotaxin-2 was shown to be inhibited by an anti-CCR-3 antibody and to be cross-desensitized by Eotaxin or MCP-4, suggesting that all three CC chemokines act through CCR-3, at least on eosinophils. |
| 运输条件 | Blue Ice |
| 存放说明 | 4℃ |
| 参考文献 |
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Chemotaxis Induced by CCL24/Eotaxin‑2 and Neutralization by Human CCL24/Eotaxin‑2 Antibody. Recombinant Human CCL24/Eotaxin‑2 (Catalog # 343‑E2) chemoattracts the BaF3 mouse pro‑B cell line transfected with mouse CCR3 in a dose-dependent manner (orange line). The amount of cells that migrated through to the lower chemotaxis chamber was measured by Resazurin (Catalog # AR002). Chemotaxis elicited by Recombinant Human CCL24/Eotaxin‑2 (0.1 µg/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Human CCL24/Eotaxin‑2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF343). The ND50 is typically 0.5-2.5 µg/mL. | |
CCL24/Eotaxin‑2/MPIF‑2 in Human Skin. CCL24/Eotaxin‑2/MPIF‑2 was detected in immersion fixed paraffin-embedded sections of human skin using 15 µg/mL Goat Anti-Human CCL24/Eotaxin‑2/ MPIF‑2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF343) overnight at 4 °C. Tissue was stained with the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections. |
