Fetuin-A (AHSG) Human,
Goat Polyclonal Antibody
| Other names: AHSG | Product of BioVendor | ||||
| Product: | Size: | ||||
|---|---|---|---|---|---|
| New: RD184036100 | 0.1 mg | ||||
| Files: Datasheet PDFMSDS | |||||
Product details
Research topic
Bone and cartilage metabolism, Renal disease
Introduction to the Molecule
Fetuin-A (AHSG), a 59 kDa glycoprotein, consisting of two cystatin-like domains and a smaller unrelated domain, is predominantly sinthetized in liver . It is secreted into the blood stream and deposited as a noncollagenous protein in mineralized bones and teeth. Fetuin-A occurs in high serum concentrations during foetal life, whereas its level declines following infection, inflamatory and malignancy. Fetuin-A acts as an important circulating inhibitor of ectopic calcification, frequent complication of many degenerative diseases. Low serum level of Fetuin-A is associated with vascular and valvular calcification, atherosclerosis, malnutrition and higher cardiovascular mortality in chronic renal failure, liver cancer and liver cirrhosis patients on long-term dialysis. AHSG protein represents a natural inhibitor of tyrosinase kinase activity of the insulin receptor. It may play a significant role in regulating postprandial glucose disposal, insulin sensitivity, weight gain, and fat accumulation. The serum and bone-resident Fetuin-A binds to transforming growth factor- β and blocks TGF-β binding to cell surface receptors.
Note
This product is for research use only.
Source of Antigen
Human serum
Host
Goat
Preparation
The antibody was raised in goat by immunization with the Human Fetuin.
Species Reactivity
Human
Not yet tested in other species.
Purification Method
Immunoaffinity chromatography on a column with immobilized purified Human Fetuin.
Antibody Content
0.1 mg (determined by BCA method, BSA was used as a standard)
Formulation
The antibody is lyophilized in 0.05 M phosphate buffer, 0.1 M NaCl, pH 7.2. AZIDE FREE.
Reconstitution
Add 0.1 ml of deionized water and let the lyophilized pellet dissolve completely. Slight turbidity may occur after reconstitution, which does not affect activity of the antibody. In this case clarify the solution by centrifugation.
Storage/Stability
The lyophilized antibody remains stable and fully active until the expiry date when stored at –20°C. Aliquot the product after reconstitution to avoid repeated freezing/thawing cycles and store frozen at –80°C. Reconstituted antibody can be stored at 4°C for a limited period of time; it does not show decline in activity after one week at 4°C.
Quality Control Test
Indirect ELISA – to determine titer of the antibody
SDS PAGE – to determine purity of the antibody
Applications
ELISA, Immunoturbidimetry, Western blotting
References to this Product
- Fisher E, Stefan N, Saar K, Drogan D, Schulze MB, Fritsche A, Joost HG, Haring HU, Hubner N, Boeing H, Weikert C. Association of AHSG gene polymorphisms with fetuin-A plasma levels and cardiovascular diseases in the EPIC-Potsdam study. Circ Cardiovasc Genet. 2009 Dec;2 (6):607-13
- Weikert C, Stefan N, Schulze MB, Pischon T, Berger K, Joost HG, Haring HU, Boeing H, Fritsche A. Plasma Fetuin-A Levels and the Risk of Myocardial Infarction and Ischemic Stroke. Circulation. 2008 Nov 24;
- Stefan N, Fritsche A, Weikert C, Boeing H, Joost HG, Haring HU, Schulze MB. Plasma Fetuin-A Levels and the Risk of Type 2 Diabetes. Diabetes. 2008 Jul 15;
- Roos M, Lutz J, Salmhofer H, Luppa P, Knauss A, Braun S, Martinof S, Schomig A, Heemann U, Kastrati A, Hausleiter J. Relation between plasma fibroblast growth factor-23, serum fetuin-A levels and coronary artery calcification evaluated by multislice computed tomography in patients with normal kidney function. Clin Endocrinol (Oxf). 2008 Apr;68 (4):660-5
References
- Arnaud P, Kalabay L. Alpha2-HS glycoprotein: a protein in search of a function. Diabetes Metab Res Rev. 2002 Jul-Aug; 18(4): 311-4. Review.
- Ketteler M, Bongartz P, Westenfeld R, Wildberger JE, Mahnken AH, Bohm R, Metzger T, Wanner C, Jahnen-Dechent W, Floege J. Association of low fetuin-A (AHSG) concentrations in serum with cardiovascular mortality in patients on dialysis: a cross-sectional study. Lancet. 2003 Mar 8; 361(9360): 827-33.
- Jersmann HP, Dransfield I, Hart SP. Fetuin/alpha2-HS glycoprotein enhances phagocytosis of apoptotic cells and macropinocytosis by human macrophages. Clin Sci (Lond). 2003 Sep; 105(3): 273-8.
- Schafer C, Heiss A, Schwarz A, Westenfeld R, Ketteler M, Floege J, Muller-Esterl W, Schinke T, Jahnen-Dechent W. The serum protein alpha 2-Heremans-Schmid glycoprotein/fetuin-A is a systemically acting inhibitor of ectopic calcification. J Clin Invest. 2003 Aug; 112(3): 357-66.
- Denecke B, Graber S, Schafer C, Heiss A, Woltje M, Jahnen-Dechent W. Tissue distribution and activity testing suggest a similar but not identical function of fetuin-B and fetuin-A. Biochem J. 2003 Nov 15; 376(Pt 1): 135-45.
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