Mouse Complement Factor H Alexa Fluor™ Plus 647‑conjugated Antibody

R&D Systems | Catalog # AF4999AFP647

R&D Systems

Key Product Details

Species Reactivity

Mouse

Applications

Western Blot

Label

Alexa Fluor Plus 647 (Excitation = 658 nm, Emission = 675 nm)

Antibody Source

Polyclonal Sheep IgG
View all Complement Factor H Primary Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant mouse Complement Factor H

Specificity

Detects mouse Complement Factor H in direct ELISAs and Western blots. In direct ELISAs, less than 5% cross-reactivity with recombinant human Complement Factor H is observed.

Clonality

Polyclonal

Host

Sheep

Isotype

IgG

Applications for Mouse Complement Factor H Alexa Fluor™ Plus 647‑conjugated Antibody

Application
Recommended Usage

Western Blot

Optimal dilution of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Formulation

Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied

Background: Complement Factor H

Factor H is a 155 kDa glycoprotein that provides critical negative regulation of the alternative pathway complement cascade. It is secreted by Kupffer cells, hepatocytes, vascular endothelial cells, and platelets and circulates in the serum at high concentration (1). Factor H is composed of 20 SCR (short consensus repeats), each of which consists of approximately 60 amino acids with four invariant Cys residues (2). Factor H interacts with cell surface polyanions including heparin and sialoglycoproteins (3-6), and immobilized Factor H supports the CD11b/CD18 integrin-dependent adhesion of neutrophils (7). It prevents local complement activation by sequestering complement component C3b, accelerating the decay of C3 and C5 convertases, and functioning as a cofactor for the C3b inactivator, Factor I (1, 3, 6, 8). This recombinant protein corresponds to SCR15-20 which encompass the primary binding sites for heparin and C3b as well as for the peptide hormone adrenomedullin (4, 9-11). Within SCR15-20, mouse Factor H shares 60% and 80% amino acid sequence identity with human and rat 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 (12). Binding of 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 (13, 14). A variety of pathogenic microbes also express Factor H binding molecules that interfere with immune clearance of the infection (15).

References

  1. Schmidt, C.Q. et al. (2008) Clin. Exp. Immunol. 151:14.
  2. Kristensen, T. and B.F. Tack (1986) Proc. Natl. Acad. Sci. 83:3963.
  3. Meri, S. and M.K. Pangburn (1990) Proc. Natl. Acad. Sci. 87:3982.
  4. Jokiranta, T.S. et al. (2005) Am. J. Pathol. 167:1173.
  5. Blackmore, T.K. et al. (1998) J. Immunol. 160:3342.
  6. Hellwage, J. et al. (2002) J. Immunol. 169:6935.
  7. DiScipio, R.G. et al. (1998) J. Immunol. 160:4057.
  8. Sharma, A.K. and M.K. Pangburn (1996) Proc. Natl. Acad. Sci. 93:10996.
  9. Oppermann, M. et al. (2006) Clin. Exp. Immunol. 144:342.
  10. Pangburn, M.K. et al. (2000) J. Immunol. 164:4742.
  11. Martinez, A. et al. (2003) Hypertens. Res. 26:S55.
  12. de Cordoba, S.R. and E.G. de Jorge (2008) Clin. Exp. Immunol. 151:1.
  13. Jain, A. et al. (2002) J. Biol. Chem. 277:13700.
  14. Fedarko, N.S. et al. (2000) J. Biol. Chem. 275:16666.
  15. Kraiczy, P. and R. Wurzner (2006) Mol. Immunol. 43:31.

Alternate Names

ARMD4, ARMS1, beta-1-H-globulin, CFH, CFHL3, FH, FHL1, HF1, HF2, HUS

Entrez Gene IDs

3075 (Human); 12628 (Mouse); 155012 (Rat)

Gene Symbol

CFH

UniProt

NP_034018

Additional Complement Factor H Products

Product Documents for Mouse Complement Factor H Alexa Fluor™ Plus 647‑conjugated Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Mouse Complement Factor H Alexa Fluor™ Plus 647‑conjugated Antibody


This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is conditioned on the buyer using the purchased product solely in research conducted by the buyer, excluding contract research or any fee for service research, and the buyer must not (1) use this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; or (c) manufacturing or quality assurance or quality control, and/or (2) sell or transfer this product or its components for resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.

For research use only

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