货号 | AF3378-SP |
别名 | interstitial; Plasma retinol-binding protein; retinol binding protein 4, plasma; retinol-binding protein 4, plasma |
反应种属 | Human |
应用 | Western Blot(1 µg/mL) Simple Western(50 µg/mL) |
目标/特异性 | Detects human RBP4 in direct ELISAs and Western blots. In direct ELISAs, less then 50% cross-reactivity with recombinant mouse RBP4 is observed. |
使用方法 | Western Blot: 1 µg/mL Simple Western: 50 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 | 5950 (Human); 19662 (Mouse); 25703 (Rat) |
纯化方式 | Antigen Affinity-purified |
免疫原 | Mouse myeloma cell line NS0-derived recombinant human RBP4 Glu19-Leu201 Accession # P02753 |
生物活性 | Human |
标记 | Unconjugated |
溶解方法 | Reconstitute at 0.2 mg/mL in sterile PBS. |
背景 | Retinol (also known as vitamin A) is unstable and insoluble in the aqueous solution (1, 2). However, retinol becomes quite stable and soluble in plasma due to its tight interaction with retinol-binding protein 4 (RBP4), also known as plasma retinol-binding protein. A prototypic member of the lipocalin superfamily, RBP4 has a beta -barrel structure with a well-defined cavity. It is secreted from the liver, a process requiring the availability of retinol. RBP4 delivers retinol from the liver to the peripheral tissues. In plasma, the RBP4-retinol complex interacts with transthyretin (TTR), also known as thyroxine-binding protein and prealbumin. The retinol-RBP4-TTR complex prevents the loss of RBP4 by filtration through the kidney and increases the stability of the retinol-RBP4 complex. Defects in RBP4 cause retinol-binding protein deficiency, which affects night vision. |
运输条件 | Blue Ice |
存放说明 | 4℃ |
参考文献 |
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Detection of Human RBP4/Retinol‑Binding Protein 4 by Western Blot. Western blot shows lysates of HepG2 human hepatocellular carcinoma cell line. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human RBP4/Retinol‑Binding Protein 4 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF3378) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). A specific band was detected for RBP4/Retinol‑Binding Protein 4 at approximately 23 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1. | |
Detection of Human RBP4/Retinol‑Binding Protein 4 by Simple WesternTM. Simple Western lane view shows lysates of HepG2 human hepatocellular carcinoma cell line, loaded at 0.2 mg/mL. A specific band was detected for RBP4/Retinol‑Binding Protein 4 at approximately 29 kDa (as indicated) using 50 µg/mL of Goat Anti-Human RBP4/Retinol‑Binding Protein 4 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF3378) followed by 1:50 dilution of HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system. Non-specific interaction with the 230 kDa Simple Western standard may be seen with this antibody. |