Human Homeobox protein engrailed-2(EN2) ELISA kit

Code CSB-EL007660HU
Size 96T,5×96T,10×96T
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Product Details

Target Name
engrailed homeobox 2
Alternative Names
EN2 ELISA Kit; Homeobox protein engrailed-2 ELISA Kit; Homeobox protein en-2 ELISA Kit; Hu-En-2 ELISA Kit
Abbreviation
EN2
Uniprot No.
Species
Homo sapiens (Human)
Sample Types
serum, plasma, tissue homogenates, cell lysates
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
Epigenetics and Nuclear Signaling
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 EN2 in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.
 SampleSerum(n=4)
1:1Average %93
Range %89-97
1:2Average %92
Range %86-96
1:4Average %97
Range %96-105
1:8Average %94
Range %89-98
Recovery
The recovery of human EN2 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) 8380-87
EDTA plasma (n=4)9286-98
Typical Data
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
ng/mlOD1OD2AverageCorrected
202.466 2.365 2.416 2.271
101.759 1.658 1.709 1.564
51.028 1.007 1.018 0.873
2.50.615 0.604 0.610 0.465
1.250.391 0.402 0.397 0.252
0.6250.258 0.268 0.263 0.118
0.3120.221 0.224 0.223 0.078
00.144 0.145 0.145  
Troubleshooting
and FAQs
Storage
Store at 2-8°C. Please refer to protocol.
Lead Time
3-5 working days after you place the order, and it takes another 3-5 days for delivery via DHL or FedEx
Description

This Human EN2 ELISA Kit was designed for the quantitative measurement of Human EN2 protein in serum, plasma, tissue homogenates, cell lysates. It is a Sandwich ELISA kit, its detection range is 0.312 ng/mL-20 ng/mL and the sensitivity is 0.078 ng/mL .

Citations

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Target Background

Gene References into Functions
  1. The EN2 transcription factor is a novel ovarian cancer biomarker. It demonstrates prognostic value, correlating with worse Overall Survival and Progression-free Survival. PMID: 30285763
  2. we confirmed that engrailed-2 is the target of hsa-miR-27b in human cytomegalovirus-infected glioma cells PMID: 28343438
  3. The critical role of miR212 in inhibiting prostate tumor growth was verified in xenograft models of prostate cancer. These findings highlighted the role of miR212 in PCa progression. More importantly, we speculate that EN-2 is a direct target gene of miR212. PMID: 28713997
  4. We identified a novel heterozygous missense variant (c.425C>G, p.Pro142Arg) in the Engrailed 2 (EN2) gene in two patients. The G variant has never been reported in public databases and was absent in 100 Thai patients with ASD and 435 Thai controls. A case-control study showed that the G allele of c.425C>G was significantly associated with ASD PMID: 27755371
  5. EN2 is negatively regulated by miR-605, and down-regulation of miR-605 promotes the proliferation and invasion of prostate cancer (PCa) cells by up-regulating EN2, which leads to PCa development and progression PMID: 28943214
  6. Our data suggest that the functional interaction of miR-33a and EN-2 is involved in tumorigenesis of prostate cancer PMID: 27921232
  7. the results demonstrated that EN2 might play an anti-oncogenic role in oncogenesis and development of CCRCC, thereby maintaining the normal growth of human renal tubular epithelial cells. PMID: 26948025
  8. EN2 may be a candidate oncogene in bladder cancer by activating the PI3K/Akt pathway and inhibiting PTEN. PMID: 25812440
  9. Engrailed-2 (EN-2) is a developmentally regulated homeobox gene that is essential for Purkinje cell maturation and normal cerebellar development and patterning. PMID: 25290267
  10. The mean EN2 levels in prostate cancer patients were 3.76-fold higher than those in non-prostate patients after prostate massage. PMID: 25003607
  11. The exact role of EN2 expression in renal carcinoma carcinogenesis requires further investigation. PMID: 24532139
  12. En2 identified as a new regulator of T-cell differentiation whose disruption induces a malignant T-cell fate in chronic myelogenous leukemia progression. PMID: 24675889
  13. Two patients with underdeveloped arcuate fasciculus had novel, nonsynonymous variants in MID1 and EN2 genes regulating axon guidance pathway. PMID: 24321989
  14. EN2 levels are increased in affected individuals with an A-C/G-T genotype, supporting EN2 as an autism spectrum disorder susceptibility gene. PMID: 24520327
  15. urinary EN2 has the potential to be a more sensitive and specific protein biomarker for non-muscle-invasive bladder cancer than currently available tests. PMID: 23434148
  16. Urinary EN2 may be useful as a non-invasive early biomarker for prostate cancer detection in genetically high-risk individuals PMID: 23792811
  17. Normal EN-2 downregulation may not occur in some individuals with autism, such that the postnatal persistence of EN-2 overexpression may contribute to autism cerebellar abnormalities. PMID: 23423141
  18. The WNT2 gene and EN2 gene may act in concert to influence the language development in autism. PMID: 22522212
  19. findings show EN2 was expressed and secreted by prostate cancer (PC) cell lines and PC tissue but not by normal prostate tissue or stroma; presence of EN2 in urine was highly predictive of PC PMID: 21364037
  20. This study demonistrated that in Han chinese the association between the EN2 genetic polymorphism and autism. PMID: 20523082
  21. Positive genetic correlation of EN2 with autism in the Indian population. PMID: 20050924
  22. In human, failure to form a mesencephalon and metencephalon, with cerebellar hypoplasia, results drom a mutation or deletion in EN2(Engrailed-2) gene. PMID: 11815869
  23. EN2 exon 1 variant transmission disequilibrium test shows no association with autistic disorder nor association between language and stereotypic behaviour quantitative traits. PMID: 12525552
  24. An association between a cerebellar patterning gene and autism spectrum disorder suggests a role for EN2 as a susceptibility locus and supports a neurodevelopmental defect hypothesis in the etiology of autism. PMID: 15024396
  25. RNA interference studies suggest that EN2 expression is required for the maintenance of the transformed phenotype of a human breast tumor cell line PMID: 16007149
  26. Loss and gain of function experiments firmly establish that En1/2 is a true survival factor for dopaminergic neurons in vivo. PMID: 17267560
  27. Heterogeneous association between engrailed-2 and autism in the CPEA network PMID: 17948868
  28. a preferential transmission of the rs3824068 A-allele to AUTISM affected offspring PMID: 17948901
  29. Engrailed 2 gene is associated with autistic disorder in Chinese children. PMID: 18424904
  30. The majority of regulated genes were down-regulated in engrailed-2 cerebella from transgenic mice, consistent with the known repressive function of Engrailed-2. PMID: 18562208
  31. variations of the engrailed-2 gene are implicated in the development of young-onset Parkinson's disease PMID: 19270442
  32. The data of this study indicated that the A-C haplotype is functional and, together with the association and LD mapping results, supports EN2 as a likely autism susceptibility gene and the A-C haplotype as a possible risk allele. PMID: 19615670

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Involvement in disease
Genetic variations in EN2 may be associated with susceptibility to autism.
Subcellular Location
Nucleus.
Protein Families
Engrailed homeobox family
Database Links

HGNC: 3343

OMIM: 131310

KEGG: hsa:2020

STRING: 9606.ENSP00000297375

UniGene: Hs.134989

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