Human heme oxygenase 2,HO-2 ELISA Kit

Code CSB-E08408h
See More Details 24T ELISA kits trial application
Product Type ELISA Kit
Size 96T,5×96T,10×96T
Uniprot No. P30519
Lead Time 3-5 working days
Abbreviation HMOX2
Target Name heme oxygenase (decycling) 2
Alias HO-2, heme oxygenase (decyclizing) 2
Species Homo sapiens (Human)
Sample Types serum, plasma, cell culture supernates
Detection Range 0.312 ng/mL-20 ng/mL
Sensitivity 0.078 ng/mL
Assay Time 1-5h
Sample Volume 50-100ul
Detection Wavelength 450 nm
Research Area Cancer
Protocol may be improved. Please feel free to contact CUSABIO product specialist to obtain the latest version.
Assay Principle quantitative
Measurement Sandwich
Target Details Heme oxygenase, an essential enzyme in heme catabolism, cleaves heme to form biliverdin, which is subsequently converted to bilirubin by biliverdin reductase, and carbon monoxide, a putative neurotransmitter. Heme oxygenase activity is induced by its substrate heme and by various nonheme substances. Heme oxygenase occurs as 2 isozymes, an inducible heme oxygenase-1 and a constitutive heme oxygenase-2. HMOX1 and HMOX2 belong to the heme oxygenase family. Alternative splice variants encoding the same protein have been identified at this locus.
HGNC 5014
RGD 67402
MGI 109373
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 HO-2 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)
1:1 Average % 89
Range % 84-95
1:2 Average % 92
Range % 87-101
1:4 Average % 98
Range % 94-104
1:8 Average % 98
Range % 93-105
The recovery of human HO-2 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) 97 93-102
EDTA plasma (n=4) 91 84-97
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 Corrected
20 2.447 2.292 2.370 2.222
10 1.959 1.820 1.890 1.742
5 1.161 1.251 1.206 1.058
2.5 0.706 0.763 0.735 0.587
1.25 0.406 0.416 0.411 0.263
0.625 0.290 0.298 0.294 0.146
0.312 0.221 0.223 0.222 0.074
0 0.144 0.152 0.148  
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Function Heme oxygenase cleaves the heme ring at the alpha methene bridge to form biliverdin. Biliverdin is subsequently converted to bilirubin by biliverdin reductase. Under physiological conditions, the activity of heme oxygenase is highest in the spleen, where senescent erythrocytes are sequestrated and destroyed. Heme oxygenase 2 could be implicated in the production of carbon monoxide in brain where it could act as a neurotransmitter.
Subcellular Location Microsome, Endoplasmic reticulum
Protein Families Heme oxygenase family
Database Links

HGNC: 5014

OMIM: 141251

KEGG: hsa:3163

STRING: 9606.ENSP00000219700

UniGene: Hs.284279

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