Bovine Haptoglobin,Hpt/HP ELISA KIT

Code CSB-E08585b
Size 96T,5×96T,10×96T
Trial Size 24T ELISA kits trial application
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Product Details

Target Name haptoglobin
Alternative Names HPHaptoglobin [Cleaved into: Haptoglobin alpha chain; Haptoglobin beta chain] ELISA Kit
Abbreviation HP
Uniprot No. Q2TBU0
Species Bos taurus (Bovine)
Sample Types serum, plasma
Detection Range 7.81 ng/mL-2000 ng/mL
Sensitivity 7.81 ng/mL
Assay Time 1-5h
Sample Volume 50-100ul
Detection Wavelength 450 nm
Research Area Cardiovascular
Assay Principle quantitative
Measurement Competitive
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 bovine Hpt 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)  
1:1000 Average % 84  
Range % 80-88  
1:2000 Average % 90  
Range % 85-94  
1:4000 Average % 103  
Range % 99-112  
1:8000 Average % 98  
Range % 94-102  
The recovery of bovine Hpt 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) 95 90-99  
EDTA plasma (n=4) 92 88-96  
Typical Data
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
ng/ml OD1 OD2 Average    
2000 0.243 0.252 0.248    
500 0.412 0.436 0.424    
120 0.793 0.754 0.774    
31.25 1.214 1.239 1.227    
7.81 1.795 1.724 1.760    
0 2.405 2.359 2.382    
and FAQs
Storage Store at 2-8°C. Please refer to protocol.
Lead Time 3-5 working days

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a. Is the capture antibody a monoclonal or polyclonal?
b. What is the host of the capture antibody?
c. Is the detection antibody a monoclonal or polyclonal?
d. What is the host of the detection antibody?
e. What’s is that standard? A recombinant protein or something else? If a recombinant protein, what is the host?
f. If recombinant protein, is it full length or partial?
g. What is the species of the standard– human or something else?

Thanks for your inquiry.
The antibody used in the kit is rabbit polyclonal antibody.
The standard is purified crude extract of native samples.

Target Data

Function As a result of hemolysis, hemoglobin is found to accumulate in the kidney and is secreted in the urine. Haptoglobin captures, and combines with free plasma hemoglobin to allow hepatic recycling of heme iron and to prevent kidney damage. Haptoglobin also acts as an antioxidant, has antibacterial activity and plays a role in modulating many aspects of the acute phase response. Hemoglobin/haptoglobin complexes are rapidely cleared by the macrophage CD163 scavenger receptor expressed on the surface of liver Kupfer cells through an endocytic lysosomal degradation pathway (By similarity).
Gene References into Functions
  1. These results indicate that it is possible to monitor the course of pyometra in cows based on the evaluation of the concentration of cytokines and Hp in the serum and uterine washings. PMID: 25704413
  2. These data demonstrate that serum neutrophil haptoglobin-MMP 9 complexes appear sooner and decline more rapidly than other acute phase proteins. PMID: 25358728
  3. An increase in serum amyloid A or haptoglobin in dairy cows with abomasal displacementis not specific for inflammation or bacterial infection; increased levels of either may indicate the presence of hepatic lipidosis. PMID: 20391639
  4. Haptoglobin concentration may be a useful indicator for cows with postpartum reproductive disorders. PMID: 14960809
  5. Presence in the milk of the acute phase proteins (APP), haptoglobin (Hp) and serum amyloid A to see the relationships in cow composite and bulk tank milk samples. PMID: 17227596
  6. Bovine granulocytes, isolated from peripheral blood of healthy cattle, contain abundant amounts of haptoglobin within the granules. PMID: 17681384
  7. This study suggests that neutrophils and epithelial cells may play an essential role in elevating milk haptoglobin (Hp) in addition to previous suggestions that Hp may be derived from mammary tissues and circulation. PMID: 19094922

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Subcellular Location Secreted, extracellular space
Protein Families Peptidase S1 family
Tissue Specificity Expressed by the liver and secreted in plasma.
Database Links

KEGG: bta:280692

STRING: 9913.ENSBTAP00000008335

UniGene: Bt.12553

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