Human Fetuin A/AHSG Antibody Summary
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.
Detection of Human Fetuin A/AHSG by Western Blot. Western blot shows human plasma. PVDF membrane was probed with 0.1 µg/mL of Goat Anti-Human Fetuin A/AHSG Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1184) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for Fetuin A/AHSG at approximately 55 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Fetuin A/AHSG in Human Liver. Fetuin A/AHSG was detected in immersion fixed paraffin-embedded sections of human liver array using Goat Anti-Human Fetuin A/AHSG Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1184) at 15 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). Lower panel shows a lack of labeling if primary antibodies are omitted and tissue is stained only with secondary antibody followed by incubation with detection reagents. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
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.
Citations for Human Fetuin A/AHSG 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.
Citations: Showing 1 - 3
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Association of fetuin-A with incident type 2 diabetes: Results from the MONICA/KORA Augsburg study and a systematic meta-analysis
Authors: C Sujana, C Huth, A Zierer, S Meesters, J Sudduth-Kl, W Koenig, C Herder, A Peters, B Thorand
Eur. J. Endocrinol., 2018;0(0):.
Sample Types: Serum
Applications: Single Molecule Capture - Dete
Mutations in the ABCC6 gene as a cause of generalized arterial calcification of infancy: genotypic overlap with pseudoxanthoma elasticum.
Authors: Li, Qiaoli, Brodsky, Jill L, Conlin, Laura K, Pawel, Bruce, Glatz, Andrew C, Gafni, Rachel I, Schurgers, Leon, Uitto, Jouni, Hakonarson, Hakon, Deardorff, Matthew, Levine, Michael
J Invest Dermatol, 2014;134(3):658-65.
Sample Types: Whole Tissue
Mutations in the GGCX and ABCC6 genes in a family with pseudoxanthoma elasticum-like phenotypes.
Authors: Li Q, Grange DK, Armstrong NL, Whelan AJ, Hurley MY, Rishavy MA, Hallgren KW, Berkner KL, Schurgers LJ, Jiang Q, Uitto J
J. Invest. Dermatol., 2009;129(3):553-63.
Sample Types: Whole Tissue
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