Human Fetuin A/AHSG Biotinylated Antibody Summary
Applications
Human Fetuin A/AHSG Sandwich Immunoassay
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.
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: Fetuin A/AHSG
Human Fetuin A, also known as alpha 2-Heremans-Schmid glycoprotein, is encoded by the AHSG gene. It is a major plasma protein and a member of the cystatin superfamily of protease inhibitors (1, 2). It is expressed by hepatocytes, the principal cell source, and by monocyte/macrophages (3). The major form of plasma Fetuin A corresponds to a disulfide bond-linked two chains derived from the single chain (4). Human Fetuin A has a number of functions. It is a negative acute-phase protein with normal circulating levels in adults (300 - 600 μg/mL), which fall significantly (30 - 50%) during injury and infection (5). It enhances entry of cationic inhibitors into macrophages (6). It inhibits both insulin receptor autophosphorylation and undesirable calcification (6, 7). The purified rhFetuin A corresponds to the single chain, which can be converted to the two-chain form by rhFurin (R&D Systems, Catalog # 1503-SE) in vitro. However, the conversion does not enhance its inhibitory activity against rhCathpesin V, a cysteine protease.
- Kellemann, J. et al. (1989) J. Biol. Chem. 264:14121.
- Dziegielewska, K.M. et al. (1990) J. Biol. Chem. 265:4354.
- Dziegielewska, K.M. et al. (1996) Histochem. Cell Biol. 106:319.
- Gejyo, F. and K. Schmid (1981) Biochim. Biophys. Acta. 671:78.
- Wang, H. et al. (1998) Proc. Natl. Acad. Sci. USA 95:14429.
- Mathews, S.T. et al. (2000) Mol. Cell Endocrinol. 164:87.
- Schäfer, C. et al. (2003) J. Clin. Invest. 112:357.
Product Datasheets
Citations for Human Fetuin A/AHSG Biotinylated 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.
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Nanobacteria are mineralo fetuin complexes.
Authors: Raoult D, Drancourt M, Azza S, Nappez C, Guieu R, Rolain JM, Fourquet P, Campagna B, La Scola B, Mege JL, Mansuelle P, Lechevalier E, Berland Y, Gorvel JP, Renesto P
PLoS Pathog., 2008-02-08;4(2):e41.
Species: Human
Sample Types: Cell Culture Supernates
Applications: ELISA Development -
Differential Sialylation of Serpin A1 in the Early Diagnosis of Parkinson’s Disease Dementia
Authors: Sarah Jesse, Stefan Lehnert, Olaf Jahn, Lucilla Parnetti, Hilkka Soininen, Sanna-Kaisa Herukka et al.
PLoS ONE
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