Human Complement Factor H DuoSet ELISA

Catalog # Availability Size / Price Qty
DY4779
Ancillary Products Available
Human Complement Factor H ELISA Standard Curve
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Product Details
Citations (1)
FAQs
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Human Complement Factor H DuoSet ELISA Summary

Assay Type
Solid Phase Sandwich ELISA
Format
96-well strip plate
Sample Volume Required
100 µL
Sufficient Materials
For fifteen 96-well plates*
Specificity
Please see the product datasheet

* Provided that the recommended microplates, buffers, diluents, substrates and solutions are used, and the assay is run as summarized in the Assay Procedure provided.

This DuoSet ELISA Development kit contains the basic components required for the development of sandwich ELISAs to measure natural and recombinant human Complement Factor H. The suggested diluent is suitable for the analysis of most cell culture supernate samples. Diluents for complex matrices, such as serum and plasma, should be evaluated prior to use in this DuoSet ELISA.

Product Features

  • Optimized capture and detection antibody pairings with recommended concentrations save lengthy development time
  • Development protocols are provided to guide further assay optimization
  • Assay can be customized to your specific needs
  • Economical alternative to complete kits

Kit Content

  • Capture Antibody
  • Detection Antibody
  • Recombinant Standard
  • Streptavidin conjugated to horseradish-peroxidase (Streptavidin-HRP)

Other Reagents Required


PBS: (Catalog # DY006), or 137 mM NaCl, 2.7 mM KCl, 8.1 mM Na2HPO4, 1.5 mM KH2PO4, pH 7.2 - 7.4, 0.2 µm filtered

Wash Buffer: (Catalog # WA126), or equivalent

Reagent Diluent*

Blocking Buffer*

Substrate Solution: 1:1 mixture of Color Reagent A (H2O2) and Color Reagent B (Tetramethylbenzidine) (Catalog # DY999)

Stop Solution: 2 N H2SO4 (Catalog # DY994)

Microplates: R&D Systems (Catalog # DY990), or equivalent

Plate Sealers: ELISA Plate Sealers (Catalog # DY992), or equivalent

*For the Reagent Diluent and Blocking Buffer recommended for a specific DuoSet ELISA Development Kit, please see the product .

Data Example

Human Complement Factor H ELISA Standard Curve

Product Datasheets

Preparation and Storage

Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: Complement Factor H

Complement Factor H is a 155 kDa glycoprotein that provides critical negative regulation to the alternative pathway of complement cascade. It is secreted by Kupffer cells, hepatocytes, vascular endothelial cells, and platelets, and circulates in the serum at high concentration. Complement Factor H is composed of 20 SCRs (short consensus repeats), each of which consists of approximately 60 amino acids with four invariant Cys residues. Alternate splicing generates a Complement Factor H isoform that is truncated following SCR7.

Complement Factor H interacts with cell surface polyanions including heparin and sialoglycoproteins, and immobilized Complement Factor H supports the CD11b/CD18 integrin-dependent adhesion of neutrophils. It prevents local complement activation by sequestering complement component C3b, accelerating the decay of C3 and C5 convertases, and functions as a cofactor for the C3b inactivator, Factor I.

Short consensus repeats 15-20 (SCR15-20) encompass the primary binding sites for heparin and C3b, as well as for the peptide hormone adrenomedullin. Within SCR15-20, human Complement Factor H shares 60% and 63% amino acid sequence identity with mouse and rat Complement Factor H, respectively. Dozens of mutations clustered in SCR15-20 are associated with atypical hemolytic uremic syndrome, a disorder characterized by anemia, thrombocytopenia, and renal failure. Binding of Complement Factor H to tumor cell-associated dentin matrix protein 1, bone sialoprotein, or osteopontin results in the protection of that cell from complement-mediated lysis. A variety of pathogenic microbes also express Complement Factor H binding molecules that interfere with immune clearance of the infection.

Entrez Gene IDs:
3075 (Human); 12628 (Mouse); 155012 (Rat)
Alternate Names:
adrenomedullin binding protein; age-related maculopathy susceptibility 1; AHUS1; AMBP1; ARMD4; ARMS1; beta-1H; beta-1-H-globulin ; beta-1-H-globulin; CFH; CFHL3; Complement Factor H; factor H; factor H-like 1; FH; FHL1; H factor 1 (complement); H factor 1; H factor 2 (complement); HF; HF1; HF1ARMS1; HF2; HUS; HUSMGC88246

Citation for Human Complement Factor H DuoSet ELISA

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. The alternative complement pathway is dysregulated in patients with chronic heart failure
    Authors: N Shahini, AE Michelsen, PH Nilsson, K Ekholt, L Gullestad, K Broch, CP Dahl, P Aukrust, T Ueland, TE Mollnes, A Yndestad, MC Louwe
    Sci Rep, 2017;7(0):42532.
    Species: Human
    Sample Types: Plasma

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