Overview

  • Product name
    Anti-Factor alpha XIIa antibody
    See all Factor alpha XIIa primary antibodies
  • Description
    Rabbit polyclonal to Factor alpha XIIa
  • Host species
    Rabbit
  • Tested applications
    Suitable for: WB, ELISA, RIA, ICC/IFmore details
  • Species reactivity
    Reacts with: Human
  • Immunogen

    Human Factor XII purified from Human plasma.

  • Positive control
    • ICC/IF: HepG2 cells.

Properties

Applications

Our Abpromise guarantee covers the use of ab106152 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
WB Use at an assay dependent concentration. Predicted molecular weight: 68 kDa.
ELISA Use at an assay dependent concentration.
RIA Use at an assay dependent concentration.
ICC/IF Use a concentration of 5 µg/ml.

Target

  • Function
    Factor XII is a serum glycoprotein that participates in the initiation of blood coagulation, fibrinolysis, and the generation of bradykinin and angiotensin. Prekallikrein is cleaved by factor XII to form kallikrein, which then cleaves factor XII first to alpha-factor XIIa and then trypsin cleaves it to beta-factor XIIa. Alpha-factor XIIa activates factor XI to factor XIa.
  • Involvement in disease
    Defects in F12 are the cause of factor XII deficiency (FA12D) [MIM:234000]; also known as Hageman factor deficiency. This trait is an asymptomatic anomaly of in vitro blood coagulation. Its diagnosis is based on finding a low plasma activity of the factor in coagulating assays. It is usually only accidentally discovered through pre-operative blood tests. F12 deficiency is divided into two categories, a cross-reacting material (CRM)-negative group (negative F12 antigen detection) and a CRM-positive group (positive F12 antigen detection).
    Defects in F12 are the cause of hereditary angioedema type 3 (HAE3) [MIM:610618]; also known as estrogen-related HAE or hereditary angioneurotic edema with normal C1 inhibitor concentration and function. HAE is characterized by episodic local subcutaneous edema, and submucosal edema involving the upper respiratory and gastrointestinal tracts. HAE3 occurs exclusively in women and is precipitated or worsened by high estrogen levels (e.g., during pregnancy or treatment with oral contraceptives). It differs from HAE types 1 and 2 in that both concentration and function of C1 inhibitor are normal.
  • Sequence similarities
    Belongs to the peptidase S1 family.
    Contains 2 EGF-like domains.
    Contains 1 fibronectin type-I domain.
    Contains 1 fibronectin type-II domain.
    Contains 1 kringle domain.
    Contains 1 peptidase S1 domain.
  • Post-translational
    modifications
    Factor XII is activated by kallikrein in alpha-factor XIIa, which is then further converted by trypsin into beta-factor XIIa. Alpha-factor XIIa is composed of the NH2-terminal heavy chain (Coagulation factor XIIa heavy chain) and the COOH-terminal light chain (Coagulation factor XIIa light chain), connected by a disulfide bond. Beta-factor XIIa is composed of 2 chains linked by a disulfide bond, a light chain (Beta-factor XIIa part 2), corresponding to the COOH-terminal light chain (Coagulation factor XIIa light chain) and a nonapeptide (Beta-factor XIIa part 1).
    O- and N-glycosylated. The O-linked polysaccharides were not identified, but are probably the mucin type linked to GalNAc.
  • Cellular localization
    Secreted.
  • Information by UniProt
  • Database links
    • Alternative names
      • Coagulation factor XII antibody
      • coagulation factor XIIa heavy chain antibody
      • Coagulation factor XIIa light chain antibody
      • F12 antibody
      • FA12_HUMAN antibody
      • HAE3 antibody
      • HAEX antibody
      • HAF antibody
      • Hageman factor antibody
      see all

    Images

    • Immunocytochemistry/ Immunofluorescence - Anti-Factor alpha XIIa antibody (ab106152)
      Immunocytochemistry/ Immunofluorescence - Anti-Factor alpha XIIa antibody (ab106152)

      ab106152 stained HepG2 cells. The cells were 4% formaldehyde fixed for 10 minutes at room temperature and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1hour at room temperature to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody (abxxx at xµg/ml) overnight at +4°C. The secondary antibody (pseudo-colored green) was Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed (ab150081) used at a 1/1000 dilution for 1hour at room temperature. Alexa Fluor® 594 WGA was used to label plasma membranes (pseudo-colored red) at a 1/200 dilution for 1hour at room temperature. DAPI was used to stain the cell nuclei (pseudo-colored blue) at a concentration of 1.43µM for 1hour at room temperature.

    References

    ab106152 has not yet been referenced specifically in any publications.

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