Human Selenoprotein P(SEPP1) ELISA kit

Instructions
Code CSB-EL021018HU
Size 96T,5×96T,10×96T
Trial Size 24T ELISA kits trial application
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Product Details

Target Name selenoprotein P, plasma, 1
Alternative Names Selenoprotein P ELISA Kit; Selenoprotein P plasma 1 ELISA Kit; Selp ELISA Kit; SeP ELISA Kit; Sepp1 ELISA Kit; SEPP1_HUMAN ELISA Kit
Abbreviation SEPP1
Uniprot No. P49908
Species Homo sapiens (Human)
Sample Types serum, plasma, cell culture supernates, tissue homogenates, urine
Detection Range 0.156 ng/mL-10 ng/mL
Sensitivity 0.039 ng/mL
Assay Time 1-5h
Sample Volume 50-100ul
Detection Wavelength 450 nm
Research Area Others
Assay Principle quantitative
Measurement Sandwich
Precision
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.    
             
Linearity
To assess the linearity of the assay, samples were spiked with high concentrations of human SEPP1 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)  
1:200 Average % 85  
Range % 80-92  
1:400 Average % 99  
Range % 93-105  
1:800 Average % 92  
Range % 85-99  
1:1600 Average % 95  
Range % 86-98  
Recovery
The recovery of human SEPP1 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 87-101  
EDTA plasma (n=4) 100 94-106  
             
             
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  
10 2.483 2.476 2.480 2.396  
5 1.876 1.896 1.886 1.802  
2.5 1.270 1.304 1.287 1.203  
1.25 0.716 0.768 0.742 0.658  
0.625 0.512 0.536 0.524 0.440  
0.312 0.288 0.296 0.292 0.208  
0.15 0.211 0.229 0.220 0.136  
0 0.082 0.086 0.084    
Troubleshooting
and FAQs
ELISA kit FAQs
Storage Store at 2-8°C. Please refer to protocol.
Lead Time 7-14 working days

Citations

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Target Background

Function
(From Uniprot)
Might be responsible for some of the extracellular antioxidant defense properties of selenium or might be involved in the transport of selenium. May supply selenium to tissues such as brain and testis.
Gene References into Functions
  1. When rs13154178 gene polymorphism was compared with AA homozygous individuals, fasting blood glucose levels were significantly higher in carriers of either polymorphism than in those with no polymorphism. We suggest rs13154178 gene polymorphism may lead to gestational diabetes mellitus in the Turkish society. PMID: 29648467
  2. preliminary result indicated the beneficial effect of serine on the expression of SelP and GPx, which suggested that it might be a candidate for combined selenium supplement. PMID: 26944060
  3. Genetic variations in selenoprotein genes modulated both GPX1 and SELENOP selenoprotein gene expression and global gene expression in response to Brazil nut supplementation. PMID: 28696394
  4. SeP was higher in individuals who were overweight/obese, and associated with insulin resistance by HOMA-IR and by clamp, but not independently of BMI. PMID: 27524654
  5. We have demonstrated a significant decrease in circulating SeP levels according to MetS status in patients with documented cardiovascular disease. PMID: 28190280
  6. Results indicate a diversity of RNA elements conducting multiple occurrences of UGA redefinition to control the synthesis of full-length and truncated selenoprotein P (SELENOP) isoforms. PMID: 29069514
  7. Biomarkers of Se status in clinical research need to be measured by validated assays in order to avoid erroneous data and incorrect interpretations, especially when analyzing young women. The Se content of circulating SELENOP differs between individuals and may provide some important diagnostic information on Se metabolism and status PMID: 28064116
  8. Study suggests the 3' UTR structural elements (SECIS) in Sepp1 functions with site specificity and further illustrates how mRNA processing may produce transcripts with altered coding potential to produce diversity in selenoprotein isoforms. PMID: 27881738
  9. Increased amounts of circulating SeP predicted the ineffectiveness of training on endurance capacity in humans. PMID: 28263310
  10. Results indicate that the 2 genetic variants of rs7579 and rs230813 in SEPP1 may not play a role in the pathogenesis of preeclampsia in Chinese Han Women. PMID: 28700468
  11. erum microRNA-7 and selenoprotein P appear to be potential non-invasive diagnostic markers for hepatocellular carcinoma. Moreover, the results suggest that selenium could be used as an anticancer therapy for hepatocellular carcinoma by affecting both microRNA-7 and selenoprotein P PMID: 28459371
  12. The selenium levels in the tissues were correlated to the genotype of the SELENOP selenium carrier protein, but not to other proteins whose levels have been reported to be responsive to selenium availability, including GPX1, SELENOF and SBP1. PMID: 27908419
  13. GPX1 and SEPP1 Single Nucleotide Polymorphism were not associated with any changes in the expression of related genes. GPX1 was shown to modulate the expression of unrelated target, SEP15, upon Se supplementation, both alone and in combination with SEPP1. PMID: 26658762
  14. Data show that the cell proliferative ability was inhibited in the cells overexpressing selenoprotein P, plasma 1 (SEPP1), and the colony forming ability of The cell evidently decreased. PMID: 27371843
  15. Selenoprotein P concentrations are not elevated in women with gestational diabetes mellitus but are associated with BMI and HDL cholesterol. PMID: 26514640
  16. Studied gene-specific regulation of hepatic selenoprotein expression by interleukin-6; by testing human hepatocytes in culture, found IL-6 reduced the concentrations of SePP mRNA and secreted SePP in a dose-dependent manner. PMID: 26399395
  17. Impaired renal function is positively correlated with serum concentrations of SePP. PMID: 26348725
  18. women who carry the SEPP1 rs3877899 A allele are better able to maintain selenium status during pregnancy, and their GPx3 activity increases more with supplementation, which suggests better protection from low selenium status. PMID: 26675765
  19. this study provide preliminary genetic evidence that the SEPP1 functional variants contribute to the AAA risk. PMID: 25395084
  20. Elevated SeP concentrations are independently associated with a reduced risk of MetS in children PMID: 24638201
  21. These results demonstrate that SEPP1 represents a previously unrecognized regulator of Polychlorinated biphenyl-induced biological effects. PMID: 23770201
  22. Selenium, selenoenzymes, oxidative stress and risk of neoplastic progression from Barrett's esophagus: results from biomarkers and genetic variants. PMID: 22715394
  23. These results demonstrated that SelP interacts with tubulin, alpha 1a (TUBA1A). PMID: 24914767
  24. data suggest that SEPP1 alters breast cancer risk among women with higher levels of NA ancestry PMID: 24278290
  25. The histidine-rich domain of selenoprotein P is capable of binding Cu ions in both oxidation states of Cu(+) and Cu(2+) with high affinity and of modulating Cu(+) and Cu(2+)-mediated ABETA aggregation, reactive oxygen species production, neurotoxicity. PMID: 24437729
  26. Data suggest that plasma SEPP1 level can be up-regulated by dietary factors; here, significantly higher plasma SEPP1 is observed in women at risk of pre-eclampsia treated with dietary supplement of selenium-enriched yeast started in first trimester. PMID: 24708917
  27. SEPP1 rs7579 was found to be associated with lower risk of advanced prostate cancer. PMID: 24563517
  28. This study demonistrated that Sepp1 in midbrain was expressed in neurons of the substantia nigra (SN), and expression was concentrated within the centers of Lewy bodies, the pathological hallmark of Parkinson disease PMID: 23268326
  29. The data provide evidence that single nucleotide polymorphisms in SEPP1 and GPX1 modulate risk of breast cancer. PMID: 24039907
  30. SePP is not only involved in Selenium transport to testes supporting GPX4 biosynthesis but it also becomes secreted into seminal plasma. PMID: 24361887
  31. metformin decreases binding of FoxO3a, a direct target of AMPK, to the SEPP1 promoter. PMID: 24257750
  32. Sepp1 secreted from epithelial cells may support the intestinal immune system by providing immune cells (including plasma cells) with selenium PMID: 24157689
  33. We speculate that there could be a feedback regulation between hepatic Sepp1 and pancreatic insulin and that increased circulating Sepp1 might be the result rather than the cause of abnormal glucose metabolism.[Review] PMID: 23760059
  34. Genetic variants in selenoprotein P plasma 1 gene (SEPP1) are associated with fasting insulin and first phase insulin response in Hispanics PMID: 24161883
  35. SEPP1 genetic variation was associated with prostate cancer incidence; replication of these results in an independent dataset is necessary. PMID: 23129481
  36. Higher tumor grade and tumor stage at diagnosis correlated to lower SePP and Se concentrations. PMID: 23056383
  37. hepatocellular SAM-dependent protein methylation is required for both SEPP1 and gluconeogenic enzyme expression and that inhibition of protein arginine methylation might provide a route to therapeutic interventions in type II diabetes. PMID: 22932905
  38. Circulating selenoprotein P levels were positively correlated with fasting plasma glucose and negatively associated with both total and high-molecular adiponectin in type 2 diabetics. PMID: 22496878
  39. Circulating SeP concentrations were elevated in patients with glucose metabolism dysregulation and were related to various cardiometabolic parameters including insulin resistance, inflammation, and atherosclerosis. PMID: 21677040
  40. The glucocorticoid receptor inhibits selenoprotein P transactivation via response elements; the finding provides insight into a potential mechanism of selenium redistribution during development. PMID: 19513589
  41. Selenoprotein P levels in prostate cells determine basal reactive-oxygen-species levels and H2O2-induced cytotoxicity. Deregulation of selenoprotein P during prostate carcinogenesis may increase free radicals, thus promoting tumor development. PMID: 21456065
  42. Using serial analysis of gene expression and DNA chip methods, the study found that hepatic SeP mRNA levels correlated with insulin resistance in humans. PMID: 21035759
  43. tear SeP is a key molecule to protect the ocular surface cells against environmental oxidative stress PMID: 20360971
  44. Inflammation of the intestinal mucosa causes a decline in locally produced selenoprotein P in the colon that eventually may contribute to the emergence of inflammatory bowel disease-related colorectal cancer. PMID: 20542496
  45. The present results show no significant difference in genotype and allele distribution of SNP r25191g/a between individuals with Kashin-Beck disease and controls. PMID: 20565998
  46. These findings suggest an association between the individual selenoprotein concentration and the presence of diabetes. PMID: 20875901
  47. Our findings demonstrate that Selenoprotein P protects neuronal cells from amyloid beta-induced toxicity, suggesting a neuroprotective role for SelP in preventing neurodegenerative disorders. PMID: 20521393
  48. Early decrease in Sel-P plasma concentrations was specifically observed in septic shock and was similar in SIRS patients whereas GPx activity remained unchanged. PMID: 19779296
  49. A DNA-repeat structure within the promoter contains a functionally relevant polymorphism and is genetically unstable under conditions of mismatch repair deficiency PMID: 12173025
  50. selenoprotein P functions as a Se-supply protein, delivering Se to the cells PMID: 12423375

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Subcellular Location Secreted
Protein Families Selenoprotein P family
Tissue Specificity Made in the liver and heart and secreted into the plasma. It is also found in the kidney.
Database Links

HGNC: 10751

OMIM: 601484

KEGG: hsa:6414

STRING: 9606.ENSP00000420939

UniGene: Hs.275775

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