Human Complement factor H-related protein 3(CFHR3) ELISA kit

Code CSB-EL005276HU
Size 96T,5×96T,10×96T How to order?
Trial Size 24T ELISA kits trial application
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Product Details


This Human CFHR3 ELISA Kit was designed for the quantitative measurement of Human CFHR3 protein in serum, plasma, tissue homogenates. It is a Sandwich ELISA kit, its detection range is 31.25 ng/mL-2000 ng/mL and the sensitivity is 7.8 ng/mL.

Target Name complement factor H-related 3
Alternative Names CFHR3 ELISA kit; CFHL3 ELISA kit; FHR3Complement factor H-related protein 3 ELISA kit; FHR-3 ELISA kit; DOWN16 ELISA kit; H factor-like protein 3 ELISA kit
Abbreviation CFHR3
Uniprot No. Q02985
Species Homo sapiens (Human)
Sample Types serum, plasma, tissue homogenates
Detection Range 31.25 ng/mL-2000 ng/mL
Sensitivity 7.8 ng/mL
Assay Time 1-5h
Sample Volume 50-100ul
Detection Wavelength 450 nm
Research Area Immunology
Assay Principle quantitative
Measurement Sandwich
Intra-assay Precision (Precision within an assay): CV%<8%
Three samples of known concentration were tested twenty times on one plate to assess.
Inter-assay Precision (Precision between assays): CV%<10%
Three samples of known concentration were tested in twenty assays to assess.
To assess the linearity of the assay, samples were spiked with high concentrations of human CFHR3 in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.
1:100Average %95
Range %90-99
1:200Average %101
Range %97-104
1:400Average %96
Range %89-99
1:800Average %98
Range %93-101
The recovery of human CFHR3 spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section.
Sample TypeAverage % RecoveryRange
Serum (n=5) 9185-94
EDTA plasma (n=4)9390-97
Typical Data
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
20002.623 2.632 2.628 2.532
10001.814 1.788 1.801 1.705
5000.988 0.963 0.976 0.880
2500.571 0.554 0.563 0.467
1250.334 0.347 0.341 0.245
62.50.261 0.253 0.257 0.161
31.250.153 0.166 0.160 0.064
00.097 0.095 0.096
ELISA Data Analysis Watch ELISA data processing video & download Curve Expert if needed
and FAQs
Storage Store at 2-8°C. Please refer to protocol.
Lead Time 3-5 working days

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Target Background

(From Uniprot)
Might be involved in complement regulation.
Gene References into Functions
  1. We conclude that the relationship between complement-regulatory proteins CFHR1 and CFHR3 and response to anti-CD20 mAb therapy varies based on the specific anti-CD20 mAb used. PMID: 27528699
  2. To our knowledge, this is the first evaluation of the involvement of the CFHR3/CFHR1 deletion and age-related macular degeneration in CFH Y402H polymorphism Brazilian patients. PMID: 26942649
  3. These data provide evidence that FHR3, which is absent in patients with the autoimmune form of hemolytic uremic syndrome, is involved in B cell regulation PMID: 27279373
  4. Exploratory analyses of clinical and histopathologic parameters using the Oxford classification criteria revealed a suggestive association of CFHR3,1Delta with reduced tubulointerstitial injury. These data indicate that dysregulated activity of the alternative complement pathway contributes to IgAN pathogenesis in both Asians and Europeans and implicate CFHR3,1Delta as the functional allele at this locus PMID: 26940089
  5. We describe a novel CFH/CFHR3 hybrid gene secondary to a de novo 6.3-kb deletion that arose through microhomology-mediated end joining rather than nonallelic homologous recombination. We confirmed a transcript from this hybrid gene and showed a secreted protein product that lacks the recognition domain of factor H and exhibits impaired cell surface complement regulation PMID: 26490391
  6. Next-generation sequencing of the CFH region identified putatively functional variants (missense, splice site and indel) on the four common haplotypes. We found no expression of any of the five CFH-related genes in the retina or RPE/Choroid/Sclera, in contrast to the liver, which is the main source of the circulating proteins.[CFHR3] PMID: 27196323
  7. These results suggest that the combination of quantitative and qualitative variations in the complement proteins encoded by CFH, CFHR3 and CFHR1 genes is key for the association of these haplotypes with disease. PMID: 26163426
  8. Genetic variants in CFH, CFHR3, and CFHR1 affect complement activation and thereby predispose patients to develop IgA nephropathy. PMID: 25205734
  9. Prompt use of immunosuppressive agents and plasma exchanges are useful for improving outcomes in pediatric patients with anti-complement factor H-associated HUS. PMID: 24088957
  10. Atypical haemolytic-uraemic syndrome due to heterozygous mutations of CFH/CFHR1-3 and complement factor H 479. PMID: 24333077
  11. we have assessed the relationship between GA and previously identified AMD-associated variants of genes (CFH, CFB, C3, FHR1, FRH3, and ARMS2/HTRA). PMID: 24557084
  12. genetic variations in CFH and its related genes may contribute to hypertension risk in Chinese Hans PMID: 22848687
  13. A hybrid CFHR3-1 gene causes familial C3 glomerulopathy. PMID: 22626820
  14. Significant association was identified for the CFHR3-1 deletion in age-related macular degeneration cases, for both neovascular disease and geographic atrophy. PMID: 22558131
  15. A novel hybrid CFH/CFHR3 gene generated by a microhomology-mediated deletion is associated with familial atypical hemolytic uremic syndrome. PMID: 22058112
  16. Data show that 698 CNPs loci overlap with known disease-associated or pharmacogenetic-related genes such as CFHR3, CFHR1, GSTTI and UGT2B17. PMID: 21677662
  17. In this matched subset of Age-Related Eye Disease Study (AREDS) subjects, after adjusting for 2 known risk variants in CFH, CNP147 deletion statistically associates with diminished risk for AMD. PMID: 21856016
  18. Combined deletion of CFHR3 and CFHR1is associated with a decreased risk of developing age-related macular degeneration. PMID: 21850184
  19. A change in gene dosage of the encoded proteins CFHR3 and CFHR1 might account for the increased systemic lupus erythematosus. PMID: 21637784
  20. deficiency of CFHR3 and CFHR1 results in a loss of complement control but enhances local regulation by factor H; alludes to critical balance between CFHR3, CFHR1 and factor H and emphasize role of complement regulation in age-related macular degeneration PMID: 20843825
  21. Data from haplotype analysis demonstrates the relationship between the CFH rs10737680 association and the CFHR1-3Delta association in age-related macular degeneration. PMID: 20581873
  22. Deletion of two closely related genes, complement factor H-related 1 (CFHR1) and complement factor H-related 3 (CFHR3), increases the risk of atypical hemolytic uremic syndrome. PMID: 17367211
  23. either lacked the CFHR1/CFHR3 completely (n = 14) or showed extremely low CFHR1/CFHR3 plasma levels (n = 2) are positive for factor H (CFH) autoantibodies PMID: 18006700
  24. deletion of CFHR1 and CFHR3 may account for a small portion of the protection from age-related macular degeneration associated with particular haplotypes in complement factor H. PMID: 18084039
  25. Results describe a correlation between the development of complement factor H autoantibodies and the deficiency of the CFH-related proteins, CFHR1 and CFHR3, in atypical hemolytic uremic syndrome. PMID: 19531976
  26. Deletion of CFHR3 and CFHR1 protected against the development of AMD at least in part because the deletion tagged a protective haplotype and did not occur on the risk haplotype. PMID: 19553609
  27. A common haplotype was associated with decreased risk of AMD. This haplotype carried a deletion of CFHR1 and CFHR3, and the proteins encoded by these genes were absent in serum of homozygotes. PMID: 16998489
  28. First detailed description of structure of human FHR3 gene PMID: 10781834

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Subcellular Location Secreted.
Tissue Specificity Expressed by the liver and secreted in plasma.
Database Links

HGNC: 16980

OMIM: 605336

KEGG: hsa:10878

STRING: 9606.ENSP00000356395

UniGene: Hs.709217

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