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Human SerpinG1 / C1 inhibitor / C1IN ELISA Pair Set

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Human SerpinG1 Materials provided
Capture Ab:0.5 mg/mL of mouse anti-SERPING1 monoclonal antibody (in PBS, pH 7.4). Dilute to a working concentration of 2 μg/mL in CBS before coating.
Detection Ab:0.2 mg/mL rabbit anti-SERPING1 monoclonal antibody conjugated to horseradish-peroxidase (HRP) (in PBS, 50 % glycerol, pH 7.4). Dilute to working concentration of 1.0 μg/mL in detection antibody dilution buffer before use.
Standard:Each vial contains 300 ng of recombinant SERPING1. Reconstitute with 1 mL detection antibody dilution buffer. After reconstitution, store at -20℃ to -80℃ in a manual defrost freezer. A seven-point standard curve using 2-fold serial dilutions in sample dilution buffer, and a high standard of 5 ng/mL is recommended.
Human SerpinG1 Specificity
Human SerpinG1 Sensitivity
The minimum detectable dose of human SerpinG1 / C1IN was determined to be approximately 78.125 pg/ml. This is defined as at least three times standard deviations above the mean optical density of 10 replicates of the zero standard.
Human SerpinG1 Principle of the product
The human SerpinG1 / C1IN ELISA Pair Set is for the quantitative determination of human SerpinG1 .
This ELISA Pair Set contains the basic components required for the development of sandwich ELISAs.
The Sino Biological ELISA Pair Set is a solid phase sandwich ELISA (Enzyme-Linked Immunosorbent Assay). It utilizes a monoclonal antibody specific for SerpinG1 /C1IN coated on a 96-well plate. Standards and samples are added to the wells, and any SerpinG1 / C1IN present binds to the immobilized antibody. The wellsare washed and a horseradish peroxidase conjugated rabbit anti-SerpinG1 / C1IN monoclonal antibody is then added, producing an antibody-antigen-antibody"sandwich". The wells are again washed and TMB substrate solution is loaded,which produces color in proportion to the amount of SerpinG1 / C1IN present inthe sample. To end the enzyme reaction, the stop solution is added andabsorbances of the microwell are read at 450 nm.
Human SerpinG1 Storage
Capture Antibody: Aliquot and store at -20℃ to -80℃ for up to 6 months from date of receipt. Avoid repeated freeze-thaw cycles.
Detection Antibody: Store at 4℃ and protect it from prolonged exposure to light for up to 6 months from date of receipt. DO NOT FREEZE!
Standard: Store lyophilized Standard at -20℃ to -80℃ for up to 6 months from date of receipt. Aliquot and store the reconstituted Standard at -80℃ for up to 1 month. Avoid repeated freeze-thaw cycles.
C1 inhibitor/SerpinG1 Background

Plasma protease C1 inhibitor, also known as C1-inhibiting factor, C1-INH, C1 esterase inhibitor, SERPING1 and C1IN, is a serine proteinase inhibitor (serpin) that regulates activation of both the complement and contact systems. By its C-terminal part (serpin domain), characterized by three beta-sheets and an exposed mobile reactive loop, C1-INH binds, and blocks the activity of its target proteases. The N-terminal end (nonserpin domain) confers to C1-INH the capacity to bind lipopolysaccharides and E-selectin. Owing to this moiety, C1-INH intervenes in regulation of the inflammatory reaction. The heterozygous deficiency of C1-INH results in hereditary angioedema (HAE). Owing to its ability to modulate the contact and complement systems and the convincing safety profile, plasma-derived C1 inhibitor is an attractive therapeutic protein to treat inflammatory diseases other than HAE. Deficiency of C1 inhibitor results in hereditary angioedema, which is characterized by recurrent episodes of localized angioedema of the skin, gastrointestinal mucosa or upper respiratory mucosa. C1 inhibitor may prove useful in a variety of other diseases including septic shock, reperfusion injury, hyperacute transplant rejection, traumatic and hemorrhagic shock, and the increased vascular permeability associated with thermal injury, interleukin-2 therapy and cardiopulmonary bypass.

Human C1 inhibitor/SerpinG1 References
  • Davis AE 3rd. et al. (2004) Biological effects of C1 inhibitor. Drug News Perspect. 17(7): 439-46.
  • Cicardi M, et al. (2005) C1 inhibitor: molecular and clinical aspects. Springer Semin Immunopathol. 27(3): 286-98.
  • Wouters D, et al. (2008) C1 inhibitor: just a serine protease inhibitor? New and old considerations on therapeutic applications of C1 inhibitor. Expert Opin Biol Ther. 8(8): 1225-40.
  • Cugno M, et al. (2009) C1-inhibitor deficiency and angioedema: molecular mechanisms and clinical progress. Trends Mol Med. 15(2): 69-78.
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