| 货号 | AF1139-SP |
| 别名 | CD329; CDw329; FOAP-9; OBBP-Like; Protein FOAP-9; sialic acid binding Ig-like lectin 9; sialic acid-binding Ig-like lectin 9; siglec-9 | 全称 | Sialic Acid Binding Ig-like Lectin 9 |
| 反应种属 | Human |
| 应用 | Western Blot(0.1 µg/mL) Flow Cytometry(2.5 µg/106cells) Immunocytochemistry(5-15 µg/mL) |
| 目标/特异性 | Detects human Siglec-9 in direct ELISAs and Western blots. In Western blots, approximately 25% cross-reactivity with recombinant human (rh) Siglec-7 is observed, 5% cross-reactivity with rhSiglec-3 and rhSiglec-5 is observed, and less than 1% cross-reactivity with rhSiglec-2 is observed. |
| 使用方法 | Western Blot: 0.1 µg/mL Flow Cytometry: 2.5 µg/106cells 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 | 27180 (Human) |
| 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. Siglec-9 enhances IL-10 production in macrophages via tyrosine-based motifs. | |
| 纯化方式 | Antigen Affinity-purified |
| 免疫原 | Mouse myeloma cell line NS0-derived recombinant human Siglec-9 Gln18-Gly348 Accession # Q9Y336 |
| 生物活性 | Human |
| 标记 | Unconjugated |
| 溶解方法 | Reconstitute at 0.2 mg/mL in sterile PBS. |
| 背景 | Siglecs(1) (sialic acid binding Ig-like lectins) are I-type (Ig-type) lectins belonging to the Ig superfamily. They are characterized by an N-terminal Ig-like V-type domain, which mediates sialic acid binding, followed by varying numbers of Ig-like C2-type domains (1, 2). Eleven human Siglecs have been cloned and characterized. They are sialoadhesin/CD169/Siglec-1, CD22/Siglec-2, CD33/Siglec-3, Myelin-Associated Glycoprotein (MAG/Siglec-4a) and Siglec-5 to -11 (1‑4). To date, no Siglec has been shown to recognized any cell surface ligand other than sialic acids, suggesting that interactions with glycans containing this carbohydrate are important in mediating the biological functions of Siglecs. Siglecs 5 to 11 share a high degree of sequence similarity with CD33/Siglec-3 both in their extracellular and intracellular regions. They are collectively referred to as CD33-related Siglecs. One remarkable feature of the CD33-related Siglecs is their differential expression pattern within the hematopoietic system (2, 3). This fact, together with the presence of two conserved immunoreceptor tyrosine-based inhibition motifs (ITIMs) in their cytoplasmic tails, suggests that CD33-related Siglecs are involved in the regulation of cellular activation within the immune system. The cDNA of human Siglec-9 encodes a 463 amino acid (aa) polypeptide with a hydrophobic signal peptide, an N-terminal Ig-likeV-type domain, two Ig-like C2-type domains, a transmembrane region and a cytoplasmic tail (5, 6). In peripheral blood leukocytes, Siglec-9 is expressed on neutrophils, monocytes, a fraction of NK cells, B cells, and a minor subset of CD8+ T cells (5). It binds equally well to both 2,3- and 2,6-linked sialic acid (5, 6). Siglec-9 is closely related to Siglec-7, and they share ~80% amino acid sequence identity. The gene encoding siglec-9 was mapped to chromosome 19q13.4. |
| 运输条件 | Blue Ice |
| 存放说明 | 4℃ |
| 参考文献 |
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Siglec‑9 in Human PBMCs. Siglec‑9 was detected in immersion fixed human peripheral blood mononuclear cells (PBMCs) using Goat Anti-Human Siglec‑9 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1139) 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 cytoplasm. View our protocol for Fluorescent ICC Staining of Cells on Coverslips. |
