Mouse Ephrin-A1(EFNA1) ELISA kit

Code CSB-EL007460MO
Size 96T,5×96T,10×96T How to order?
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Product Details


This Mouse EFNA1 ELISA Kit was designed for the quantitative measurement of Mouse EFNA1 protein in serum, plasma, tissue homogenates. It is a Sandwich ELISA kit, its detection range is 93.75 pg/mL-6000 pg/mL and the sensitivity is 23.43 pg/mL.

Target Name ephrin-A1
Alternative Names Efna1 ELISA Kit; Epgl1 ELISA Kit; Epl1 ELISA Kit; Lerk1 ELISA Kit; Ephrin-A1 ELISA Kit; EPH-related receptor tyrosine kinase ligand 1 ELISA Kit; LERK-1 ELISA Kit; Immediate early response protein B61) [Cleaved into: Ephrin-A1 ELISA Kit; secreted form] ELISA Kit
Abbreviation EFNA1
Uniprot No. P52793
Species Mus musculus (Mouse)
Sample Types serum, plasma, tissue homogenates
Detection Range 93.75 pg/mL-6000 pg/mL
Sensitivity 23.43 pg/mL
Assay Time 1-5h
Sample Volume 50-100ul
Detection Wavelength 450 nm
Research Area Cardiovascular
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 mouse EFNA1 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 % 84
Range % 80-88
1:2 Average % 96
Range % 93-99
1:4 Average % 87
Range % 83-90
1:8 Average % 105
Range % 100-110
The recovery of mouse EFNA1 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) 87 80-94
EDTA plasma (n=4) 102 98-106
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
6000 2.702 2.694 2.698 2.530
3000 2.184 2.201 2.193 2.025
1500 1.585 1.602 1.594 1.426
750 1.088 1.069 1.079 0.911
375 0.669 0.679 0.674 0.506
187.5 0.453 0.468 0.461 0.293
93.75 0.314 0.330 0.322 0.154
0 0.168 0.167 0.168  
ELISA Data Analysis Watch ELISA data processing video & download Curve Expert if needed
and FAQs
Storage Store at 2-8°C. Please refer to protocol.
Lead Time 3-5 working days

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Target Background

(From Uniprot)
Cell surface GPI-bound ligand for Eph receptors, a family of receptor tyrosine kinases which are crucial for migration, repulsion and adhesion during neuronal, vascular and epithelial development. Binds promiscuously Eph receptors residing on adjacent cells, leading to contact-dependent bidirectional signaling into neighboring cells. Plays an important role in angiogenesis and tumor neovascularization. The recruitment of VAV2, VAV3 and PI3-kinase p85 subunit by phosphorylated EPHA2 is critical for EFNA1-induced RAC1 GTPase activation and vascular endothelial cell migration and assembly. Exerts anti-oncogenic effects in tumor cells through activation and down-regulation of EPHA2. Activates EPHA2 by inducing tyrosine phosphorylation which leads to its internalization and degradation. Acts as a negative regulator in the tumorigenesis of gliomas by down-regulating EPHA2 and FAK. Can evoke collapse of embryonic neuronal growth cone and regulates dendritic spine morphogenesis.
Gene References into Functions
  1. EphA2 mAb treatment could partially inhibit LPSinduced inactivation of EphBEphrin B3 signalling, while Ephrin B3 overexpression could abrogate LPSinduced activation of EphA2Ephrin A1 signalling. EphB1/Ephrin B3 signalling may antagonise the EphA2/Ephrin A1dependent pathway following LPS treatment. PMID: 29901151
  2. Collectively, these data suggest that ATRA attenuates bleomycin-induced pulmonary fibrosis by regulating EphA2-EphrinA1 and PI3K-Akt signaling. PMID: 28743499
  3. Lipopolysaccharide exposure significantly up-regulated EphA2 and EphrinA1 expression. PMID: 27549114
  4. Activation of EphA1-Epha receptor axis attenuates diabetic nephropathy in mice. PMID: 28341121
  5. Following ephrin-A1 stimulation, truncated EphA2 did not detectably interfere with the phosphorylation of endogenous EphA2, and it potentiated cell adhesion possibly through modulation of integrin avidity. PMID: 27665280
  6. ADAM12 enhanced ephrin-A1 cleavage in response to transforming growth factor-betra1 in primary tumors. PMID: 23686306
  7. S100A8 and ephrin-A1 contribute to lung metastasis. PMID: 24103748
  8. We used in utero electroporation-mediated EphA7 overexpression in developing somatosensory corticothalamic axons to dissect EphA7/ephrin-A-dependent mechanisms involved in regulating both initial targeting and postnatal growth of the CT projections. PMID: 22821544
  9. Elevated levels of ephrin-A1 may contribute to diabetic keratopathies by persistently engaging EphA2 and prohibiting Akt-dependent corneal epithelial repair processes. PMID: 22247486
  10. Data indicate that ephrin-A1 regulates cardiac valve development, making ephrin-A1-deficient mice a novel model for congenital heart defects. PMID: 20960543
  11. Cooperation between Slit2 and ephrin-A1 regulates a balance between the pro- and antiangiogenic functions of Slit2. PMID: 21135133
  12. ephrin-A1 has a positive role in tumor growth in vivo, and are consistent with previous reports of ephrin-A1 acting through EphA receptors in the tumor microenvironment in vivo. PMID: 20154726
  13. When NIH3T3 cells were plated onto an ephrinA1-coated surface, the cells both adhered and spread. PMID: 12134157
  14. Immunohistological analyses reveal strong ephrin-A1 expression in lung tissue, low expression in cortical areas of lymph nodes, and none in T cell/B cell areas of the spleen. PMID: 14707054
  15. Whole-mount in situ hybridization revealed overlapping expression of the Epha1 receptor and its high-affinity ligands ephrin A1 (Efna1) and ephrin A3 (Efna3) in the primitive streak and the posterior paraxial mesoderm during early mouse development. PMID: 16466970
  16. Ephrins A1 and A5 are substrates for a cross-linking enzyme, tissue transglutaminase, which mediates the formation of oligomeric ephrin. PMID: 17707797
  17. Increased expression of ephrin-A1 accelerated the malignant progression of the intestinal adenoma to invasive tumors. PMID: 18246128
  18. HIF-2alpha plays an essential role in vascular remodeling during tumor vascularization through activation of at least ephrin A1. PMID: 18434321
  19. Radiotherapy-induced changes in ephrin-A1 gene expression related with angiogenesis may modulate microenvironment and influence responsiveness of tumors. PMID: 18997097

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Subcellular Location Cell membrane; Lipid-anchor, GPI-anchor.; [Ephrin-A1, secreted form]: Secreted.
Protein Families Ephrin family
Tissue Specificity Expressed in myogenic progenitor cells.
Database Links

KEGG: mmu:13636

STRING: 10090.ENSMUSP00000029566

UniGene: Mm.15675

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