Human Beta-defensin 104(DEFB104A) ELISA kit

Code CSB-EL006665HU
Size 96T,5×96T,10×96T
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Product Details

Target Name
defensin, beta 104A
Alternative Names
BD 4 ELISA Kit; BD-4 ELISA Kit; BD4 ELISA Kit; beta 104 ELISA Kit; beta 4 Defensin ELISA Kit; Beta defensin 4 ELISA Kit; Beta-defensin 104 ELISA Kit; Beta-defensin 4 ELISA Kit; D104A_HUMAN ELISA Kit; DEFB-4 ELISA Kit; DEFB104B ELISA Kit; Defensin ELISA Kit; Defensin beta 104 ELISA Kit; Defensin beta 4 precursor ELISA Kit; hBD 4 ELISA Kit; hBD-4 ELISA Kit; hBD4 ELISA Kit
Abbreviation
DEFB104A
Uniprot No.
Species
Homo sapiens (Human)
Sample Types
serum, plasma, cell culture supernates, tissue homogenates
Detection Range
31.25 pg/mL-2000 pg/mL
Sensitivity
7.8 pg/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 DEFB104A 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 %91
Range %86-97
1:2Average %92
Range %87-100
1:4Average %85
Range %81-93
1:8Average %92
Range %86-98
Recovery
The recovery of human DEFB104A 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) 8984-96
EDTA plasma (n=4)9285-96
Typical Data
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
pg/mlOD1OD2AverageCorrected
20002.706 2.655 2.681 2.525
10002.136 2.011 2.074 1.918
5001.346 1.289 1.318 1.162
2500.764 0.752 0.758 0.602
1250.367 0.354 0.361 0.205
62.50.279 0.287 0.283 0.127
31.250.244 0.231 0.238 0.082
00.162 0.150 0.156  
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 DEFB104A ELISA Kit was designed for the quantitative measurement of Human DEFB104A protein in serum, plasma, cell culture supernates, tissue homogenates. It is a Sandwich ELISA kit, its detection range is 31.25 pg/mL-2000 pg/mL and the sensitivity is 7.8 pg/mL .

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Target Background

Function
(From Uniprot)
Has antimicrobial activity. Synergistic effects with lysozyme and DEFB103.
Gene References into Functions
  1. Beta-defensin 104 displays antimicrobial activity against S. carnosus, E. coli, S. cerevisiae, and P. aeruginosa (strong). PMID: 11481241
  2. TFF3 activated the epithelial cells in culture to produce beta defensins 2 (hBD2) and beta defensins 4 PMID: 23198942
  3. Data suggest an activation of b-defensin-4 induction, in human knee meniscus by the osteoarthritis inflammatory process as a result of an endogenous antibiotic defense mechanism accompanied by an intrinsic effort of tissue remodeling. PMID: 21879330
  4. Our results suggest that copy number variation of DEFB4 may not contribute to the pathogenesis of Behcet's disease. PMID: 21385545
  5. Analysis of the DEFB4 promoter region shows remarkably high density of sequence variabilities. PMID: 20445567
  6. The variations in the genes encoding human beta-defensin-1 and -2 may be associated with the risk of severe acute pancreatitis. PMID: 20720450
  7. Data show that beta-defensin cluster (DEFB4, DEFB103 and DEFB104) varied between 2 and 9 copies per genome, and high copy numbers (>4) were underrepresented among patients, suggesting that increased copy numbers could protect from CD. PMID: 20483368
  8. We report here the application of small ubiquitin-related modifier (SUMO) fusion technology to the expression and purification of cationic antibacterial peptide hBD4. PMID: 20526896
  9. This study demonstrates, the involvement of NOD1 and DEFB4 in direct killing of Helicobacter pylori bacteria by epithelial cells and confirms the importance of NOD1 in host defence mechanisms against cagPAI(+)Helicobacter pylori infection. PMID: 20039881
  10. The mRNA level of the beta defensin 4 did not differ significantly between the two subgroups. PMID: 20128731
  11. elevated DEFB4 copy number is a risk factor for Crohn's disease PMID: 19809410
  12. There is an association of four common DEFB104 haplotypes with the risk of prostate cancer in two independent patient cohorts. PMID: 18515986

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Subcellular Location
Secreted.
Protein Families
Beta-defensin family
Tissue Specificity
High expression in the testis. Gastric antrum exhibited relatively high levels. A lower expression is observed in uterus and neutrophils thyroid gland, lung, and kidney. No detectable expression in other tissues tested.
Database Links

HGNC: 18115

KEGG: hsa:107984148

STRING: 9606.ENSP00000322191

UniGene: Hs.559507

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