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You are here:Home » Antibodies » Abs to Protease Inhibitors » Anti -C1 Esterase Inhibitor (C1-INH) (HRP)

Anti -C1 Esterase Inhibitor (C1-INH) (HRP)

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Specifications

Clone Host Grade Applications
Polyclonal Goat Purified E
C1-INH is a member of the serpin family of proteases, as are alpha-antitrypsin, antithrombin III, and angiotensinogen. These proteins stoichiometrically inactivate their target proteases by forming stable, one-to-one complexes with the protein to be inhibited. Although synthesized primarily by hepatocytes, C1-INH is also synthesized by monocytes. The regulation of the protein production is not completely understood, but, since patients respond clinically to androgen therapy serum levels of C1-INH increase, it is believed that androgens may stimulate C1-INH synthesis. All C1-INH deficient patients are heterozygous; half the normal level of C1-INH is not believed sufficient to prevent attacks. Although named for its action on the first component of complement (C1 esterase), C1-INH also inhibits components of the fibrinolytic, clotting, and kinin pathways. Specifically, C1-INH inactivates plasmin-activated Hageman factor (factor XII), activated factor XI, PTA, and kallikrein. Within the complement system, C1-INH blocks the activation of C1 and the rest of the classic complement pathway by binding to C1r and C1s. Without C1-INH, unchecked activation of C1, C2, and C4 occur before other inhibitors (C4-binding protein and factor I) can halt the cascade. The actual factor or factors responsible for the edema formation remain somewhat controversial. Researchers have demonstrated activation of the kinin system and increased bradykinin concentration associated with clinical flares.
Catalog #C0003-01B
ApplicationsSuitable for use in Immunoelectrophoresis and ELISA. Other applications not tested.
Recommended DilutionsOptimal dilutions to be determined by the researcher.
Rz ratio (Reinheitszahl, A403/A280)0.45 as determined spectrophotometrically.
Storage and StabilityMay be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Labeled with horseradish peroxidase (HRP). Sodium azide is a potent inhibitor of peroxidase and should not be added to HRP conjugates. HRP conjugates are sensitive to light.
Clone TypePolyclonal
IsotypeIgG
HostGoat
SourceHuman
Concentration~2mg/ml
FormSupplied in a buffered stabilizer solution, 50% glycerol. Labeled with horseradish peroxidase (HRP).
PurityPurified
ImmunogenC1 esterase Inhibitor (also called C1-Inactivator) purified from human plasma.
SpecificityRecognizes human C1-INH when tested by immunoelectrophoresis and ELISA.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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