Human Complement Component 9, C9 ELISA Kit

Code CSB-E14011h
Size 96T,5×96T,10×96T
Trial Size 24T ELISA kits trial application
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Product Details

Target Name complement component 9
Alternative Names ARMD15 ELISA Kit; C9 ELISA Kit; C9 deficiency ELISA Kit; C9 deficiency with dermatomyositis ELISA Kit; C9D ELISA Kit; CO9_HUMAN ELISA Kit; Complement component 9 ELISA Kit; Complement component 9 deficiency ELISA Kit; Complement component C9 ELISA Kit; Complement component C9b ELISA Kit
Abbreviation C9
Uniprot No. P02748
Species Homo sapiens (Human)
Sample Types serum, plasma, urine
Detection Range 10.97 pg/mL-8000 pg/mL
Sensitivity 10.97 pg/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 C9 in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.
  Sample Serum(n=4)  
1:2000 Average % 96  
Range % 90-104  
1:4000 Average % 91  
Range % 87-98  
1:8000 Average % 95  
Range % 90-110  
1:16000 Average % 96  
Range % 89-100  
The recovery of human C9 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 Type Average % Recovery Range  
Serum (n=5) 96 92-101  
EDTA plasma (n=4) 97 87-106  
Typical Data
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
pg/ml OD1 OD2 Average Corrected  
8000 2.577 2.514 2.546 2.455  
2666.7 1.845 1.864 1.855 1.764  
888.9 1.239 1.213 1.226 1.135  
296.3 0.851 0.844 0.848 0.757  
98.8 0.388 0.399 0.394 0.303  
32.9 0.214 0.207 0.211 0.120  
10.97 0.139 0.142 0.141 0.050  
0 0.089 0.093 0.091    
and FAQs
Storage Store at 2-8°C. Please refer to protocol.
Lead Time 3-5 working days

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Target Data

Function Constituent of the membrane attack complex (MAC) that plays a key role in the innate and adaptive immune response by forming pores in the plasma membrane of target cells
Gene References into Functions
  1. The data supports the assumption that C9 gene expression may stimulate the expression of inflammatory (NLRP3) and angiogenic growth factors (VEGF) in retinal pigment epithelial cells. PMID: 30090015
  2. Serum-expressed apolipoprotein B-100 protein, C9 Complement, and gelsolin can be used for differential diagnosis of Barrertts esophagus and adenocarcinoma of esophagus. PMID: 26404905
  3. Data indicate that complement C9 binds to the ATPase domain of mortalin. PMID: 24719326
  4. Liver biopsy specimens from chronically hepatitis C virus-infected patients exhibited a lower level of C9 mRNA expression than liver biopsy specimens from unrelated disease or healthy control human liver RNA. PMID: 23487461
  5. the haploinsufficiency of C9, a terminal complement complex component, engenders reduced intraocular secretion of VEGF and decreased risk for CNV development. PMID: 22190594
  6. C9 and fucosylated form could serve as a useful marker for SQLC. PMID: 21840429
  7. It was concluded that variations in the complement component 9 gene are unlikely to influence clearance of chronic hepatitis B virus infection and hepatocellular carcinoma occurrence. PMID: 21380615
  8. Mapping the intermedilysin-human CD59 receptor interface reveals a deep correspondence with the binding site on CD59 for complement binding proteins C8alpha and C9. PMID: 21507937
  9. These results suggested that the lack of membrane attack complex because of an Arg95Stop mutation of the complement component 9 gene predisposed patients to pathognomonic glomerulonephritis. PMID: 21057849
  10. provided evidence for the recognition of membrane-bound C9 on complement-lysed ghosts by an antibody specific for the helix-turn-helix fold. PMID: 20153530
  11. Data show that mortalin supports cancer cell resistance to complement-dependent cytotoxicity and suggest consideration of mortalin as a novel target for cancer adjuvant immunotherapy. PMID: 19739077
  12. The human complement C9 gene: structural analysis of the 5' gene region and genetic polymorphism studies. PMID: 11881818
  13. C9 binding is dependent on the N-terminal modules (thrombospondin type 1 and low-density lipoprotein receptor class A) of C8 alpha together with the C8 alpha membrane attack complex/perforin domain. PMID: 12463754
  14. Founder effect was demonstrated for the R95X mutation of the C9 gene in Japanese PMID: 12596049
  15. results indicate that the principal binding site for C9 lies within the MACPF domain of C8alpha PMID: 16618117
  16. analysis of the CD59-C9 binding interaction PMID: 16844690

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Involvement in disease Complement component 9 deficiency (C9D); Macular degeneration, age-related, 15 (ARMD15)
Subcellular Location Secreted, Target cell membrane, Multi-pass membrane protein
Protein Families Complement C6/C7/C8/C9 family
Tissue Specificity Plasma (at protein level).
Database Links

HGNC: 1358

OMIM: 120940

KEGG: hsa:735

STRING: 9606.ENSP00000263408

UniGene: Hs.654443


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