Key Product Details

Validated by

Knockout/Knockdown

Species Reactivity

Validated:

Human, Mouse, Rat

Cited:

Human, woodchuck

Applications

Validated:

Knockout Validated, Western Blot, Simple Western

Cited:

Immunohistochemistry-Paraffin, Western Blot, Immunocytochemistry

Label

Unconjugated

Antibody Source

Polyclonal Goat IgG
View all Fetuin B Primary Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant human Fetuin B
Met19-Pro382
Accession # Q9UGM5

Specificity

Detects human Fetuin B in direct ELISAs and Western blots. In direct ELISAs and Western blots, less than 5% cross-reactivity with recombinant human (rh) Fetuin A, rhCystatin A, rhCystatin B, rhCystatin C, rhCystatin D, rhCystatin E/M, rhCystatin S, rhCystatin SA, and rhCystatin SN is observed.

Clonality

Polyclonal

Host

Goat

Isotype

IgG

Scientific Data Images for Human/Mouse/Rat Fetuin B Antibody

Detection of Human, Mouse, and Rat Fetuin B antibody by Western Blot.

Detection of Human, Mouse, and Rat Fetuin B by Western Blot.

Western blot shows human serum, human placenta tissue lysate, mouse serum, and rat placenta tissue lysate. PVDF membrane was probed with 0.25 µg/mL of Goat Anti-Human/Mouse/Rat Fetuin B Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1725) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (HAF017). A specific band was detected for Fetuin B at approximately 55 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Detection of Human Fetuin B antibody by Simple WesternTM.

Detection of Human Fetuin B by Simple WesternTM.

Simple Western lane view shows lysates of human placenta tissue and rat placenta tissue, loaded at 0.2 mg/mL. A specific band was detected for Fetuin B at approximately 64 kDa (as indicated) using 2.5 µg/mL of Goat Anti-Human/Mouse/Rat Fetuin B Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1725) followed by 1:50 dilution of HRP-conjugated Anti-Goat IgG Secondary Antibody (HAF109). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.

Western Blot Shows Mouse Fetuin B Specificity Using Knockout Cell Line.

Western Blot Shows Mouse Fetuin B Specificity Using Knockout Cell Line.

Western blot shows WT and Fetuin B KO serum from mouse. Nitrocellulose membrane was probed with 0.2 µg/mL of Goat Anti-Human/Mouse/Rat Fetuin B Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1725) followed by HRP-conjugated donkey anti-goat IgG Secondary Antibody. A specific band was detected for Fetuin B at approximately 60 kDa (as indicated), but is not detectable in knockout sera. The Ponceau stained transfer of the blot is shown. This experiment was conducted under reducing conditions. Image, protocol, and testing courtesy of YCharOS Inc. See ycharos.com for additional details.

Applications for Human/Mouse/Rat Fetuin B Antibody

Application
Recommended Usage

Knockout Validated

Optimal dilutions of this antibody should be experimentally determined.

Simple Western

2.5 µg/mL
Sample: Human placenta tissue and rat placenta tissue

Western Blot

0.25 µg/mL
Sample: Human serum, human placenta tissue, mouse serum, and rat placenta tissue

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. See Certificate of Analysis for details.
*Small pack size (-SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 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.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: Fetuin B

Fetuins are members of the cystatin superfamily of cysteine protease inhibitors (1‑3). Additional members of this superfamily are kininogen and histidine-rich glycoprotein. Fetuin A and B are two known members of the fetuin family. Hepatocytes are believed to be the principal cellular source, but other cell types also express it (4, 5). Fetuin A, also known as alpha 2-Heremans-Schmid glycoprotein, is an inhibitor of basic calcium phosphate precipitation and a negative acute-phase protein (6, 7). Normal circulating levels of Fetuin A in adults (300‑600 ug/mL) fall significantly (30‑50%) during injury and infection (7). Fetuin B is a newer member whose function is not fully characterized (1, 2). Fetuin A and B display similarities and differences in their characteristics. Fetuin B exhibits reduction of calcification, while both mRNA levels were down‑regulated during the acute phase in inflammation-induced rats (4). However, they share only 20% amino acid sequence identity (2). The amounts of Fetuin B in human serum, unlike Fetuin A, vary with gender and are higher in females than in males (4).

References

  1. Oliver, E. et al. (1999) Genomics. 57:352.
  2. Oliver, E. et al. (2000) Biochem. J. 350:589.
  3. Kellemann, J. et al. 1989, J. Biol. Chem. 264:14121.
  4. Denecke, B. et al. (2003) Biochem. J. 376:135.
  5. Schäfer, C. et al. (2003) J. Clin. Invest. 112:357.
  6. Dziegielewska, K. M. et al. (1996) Histochem. Cell Biol. 106:319.
  7. Gangneux, C. et al. (2003) Nucleic Acids Res. 31:5957.

Alternate Names

FETUB

Entrez Gene IDs

26998 (Human)

Gene Symbol

FETUB

UniProt

Q9UGM5

Additional Fetuin B Products

Product Documents for Human/Mouse/Rat Fetuin B Antibody

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human/Mouse/Rat Fetuin B Antibody

For research use only

Related Research Areas

Cysteine Proteases and Regulators

Citations for Human/Mouse/Rat Fetuin B Antibody

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