Human RBP4/Retinol-Binding Protein 4 Antibody
Human RBP4/Retinol-Binding Protein 4 Antibody Summary
Glu19-Leu201
Accession # P02753
Applications
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Scientific Data
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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.
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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.
Reconstitution Calculator
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: RBP4/Retinol-Binding Protein 4
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.
- Zanotti, G. and R. Berni (2004) Vitamins and Hormones 69:271.
- Newcomer, M.E. and D.E. Ong (2000) Biochim. Biophys. Acta 1482:57.
Product Datasheets
Citation for Human RBP4/Retinol-Binding Protein 4 Antibody
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.
1 Citation: Showing 1 - 1
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Multi-omic profiling of the leukemic microenvironment shows bone marrow interstitial fluid is distinct from peripheral blood plasma
Authors: Lorenz Nierves, Jian Guo, Siyuan Chen, Janice Tsui, Anuli C. Uzozie, Jonathan W. Bush et al.
Experimental Hematology & Oncology
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