Anti-Human Complement factor H Monoclonal Antibody (clone C18/3) -100 µg - Creative Biolabs
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Anti-Human Complement factor H Monoclonal Antibody (clone C18/3) -100 µg (CAT#: CB-P183-AB) Datasheet

Product Type
Antibody
Description
The monoclonal antibody C18/3 recognizes human complement factor H (CFH). CFH is the first regulatory protein of the alternative pathway of the complement system. There are three ways to activate complement. The classical pathway is triggered by immune complexes. Alternative pathways that do not require antibody-antigen interactions for activation; and the lectin pathway binds lectins by surface-bound mannan. Each produces C3 convertase, a serine protease that cleaves the central complement protein C3 and produces the main cleavage fragment C3b. The complement system mediates many basic biological functions and participates in the host's resistance to infection, the initiation of inflammatory responses, the processing and clearance of immune complexes, and the regulation of immune responses. CFH binds to C3b, accelerates the decay of alternative pathway C3 convertase (C3bBb), and acts as a cofactor for factor I-mediated C3b proteolytic inactivation. Human complement factor H is a 150 kD single-chain serum glycoprotein with a modular structure consisting of 20 homologous units of about 60 amino acids in series, called short consensus repeat (SCR). Many functional sites have been identified along the 20 SCR domain structure of Factor H. Three C3 binding sites were identified in SCR1-4, SCR6-10 and SCR13-20, respectively. Three polyanionic binding sites have also been identified in SCR7, 13 and 20, such as heparin and several glycosaminoglycans. CFH shows anti-inflammatory function and acts as a ligand for CRP. CFH has two important functional domains located at opposite ends of the protein. The N-terminal fragment of the factor H molecule is an essential liquid phase regulator for the alternative pathway. CFH binds to the surface of cells and tissues through the C-terminal domain and SCR7. This also mediates its protective effect on the surface of the host cell. CFH is a relatively abundant plasma protein with a concentration of 0.4-0.8 mg/ml, which is essential for maintaining complement homeostasis and limiting the effect of complement on activated surfaces. CFH regulates complement activation in the liquid phase and on the cell surface. Genetic analysis shows that there is a clear association between CFH and different human diseases. These diseases include kidney disease, atypical forms of hemolytic-uremic syndrome (aHUS) and membranous proliferative glomerulonephritis (MPGN). In addition, CFH is associated with age-related macular degeneration (AMD), which is an eye disease.
Disease
Autoimmunity, Nephrology
Size
100 µg
Species
Human
Host
Mouse
Clonality
Monoclonal
Isotype
Mouse IgG1
Clone Number
C18/3
Buffer
PBS, containing 0.1% bovine serum albumin and 0.02% sodium azide.
Application
Immuno assays, Western blot
Application Notes
The diluent used depends on the detection system used. It is recommended that users test reagents and determine their own optimal dilution. The typical initial working dilution is 1:50.
Storage Instructions
Product should be stored at 4°C. Under recommended storage conditions, product is stable for at least one year.
Target
Complement factor H
Alternative Names
CFH; AHUS1; AMBP1; ARMD4; ARMS1; CFHL3; FH; FHL1; HF; HF1; HF2; HUS; complement factor H

All products and services are for Research Use Only. Do Not use in humans.

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