Mouse Neutrophil defensin 4(DEFA4) ELISA kit

Code CSB-EL006656MO
Size 96T,5×96T,10×96T
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Product Details

Target Name
defensin, alpha 4, corticostatin
Alternative Names
Defa4 ELISA kit; Defcr4Alpha-defensin 4 ELISA kit; Defensin-related cryptdin-4 ELISA kit
Abbreviation
DEFA4
Uniprot No.
Species
Mus musculus (Mouse)
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
Immunology
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 mouse DEFA4 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 % 85
Range % 81-89
1:2 Average % 93
Range % 90-96
1:4 Average % 88
Range % 84-92
1:8 Average % 101
Range % 97-105
Recovery
The recovery of mouse DEFA4 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) 99 95-104
EDTA plasma (n=4) 83 80-86
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 2.654 2.689 2.672 2.515
10 2.059 2.001 2.030 1.873
5 1.312 1.335 1.324 1.167
2.5 0.852 0.868 0.860 0.703
1.25 0.505 0.512 0.509 0.352
0.625 0.373 0.360 0.367 0.210
0.312 0.266 0.268 0.267 0.110
0 0.158 0.156 0.157  
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 Mouse DEFA4 ELISA Kit was designed for the quantitative measurement of Mouse DEFA4 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.

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Target Background

Function
(From Uniprot)
Probably contributes to the antimicrobial barrier function of the small bowel mucosa.
Gene References into Functions
  1. Depleting CRP4 is incompatible with a proper cardiac development and function. CRP4 is a novel antiremodeling factor regulated, at least to some extent, by cardiac cGMP. PMID: 28138039
  2. Backbone cyclization provides a means for engineeringalpha-defensins to improve their biological activity while providing excellent stability to serum degradation and highlighting the potential of peptide scaffolds for development of novel compounds. PMID: 22040603
  3. bactericidal activity predominantly affects noncommensal bacteria PMID: 21099205
  4. the prosegment of Crp4 inhibits Crp4 bactericidal activity by blocking peptide-mediated perturbation of target cell membranes PMID: 12574157
  5. Crp4 disulfide arrangement confers essential protection from degradation by this critical activating proteinase, allowing antibacterial action. PMID: 15297466
  6. function of the conserved salt bridge in Crp4 is not linked to bactericidal activity or proteolytic stability of the mature peptide. PMID: 16857681
  7. CRP4 mediates cGMP/PKG stimulation of SM-specific gene expression, and PKG plays an important role in regulating the phenotype of VSMCs PMID: 17878170
  8. Kinetics of Crp4 translocation coupled with peptide-induced vesicle leakage are reported. PMID: 17910476
  9. Beta-sheet-containing Crp4 induces membrane permeabilization more effectively than disulfide-null Crp4 by translocating and forming transient membrane defects. PMID: 18973303
  10. Lys-for-Arg replacements in cryptdin 4 attenuated bactericidal activity PMID: 19737896

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Subcellular Location
Secreted.
Protein Families
Alpha-defensin family
Tissue Specificity
Paneth cells of the small bowel.
Database Links

KEGG: mmu:13238

UniGene: Mm.426634

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