Human Involucrin,iNV ELISA Kit

Code CSB-E09332h
Size 96T,5×96T,10×96T
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Product Details

Target Name
involucrin
Alternative Names
INVO_HUMAN ELISA Kit; Involucrin ELISA Kit; IVL ELISA Kit
Abbreviation
IVL
Uniprot No.
Species
Homo sapiens (Human)
Sample Types
serum, cell culture supernates, tissue homogenates
Detection Range
1.25 ng/mL-80 ng/mL
Sensitivity
0.31 ng/mL
Assay Time
1-5h
Sample Volume
50-100ul
Detection Wavelength
450 nm
Research Area
Cancer
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 iNV 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 %97
Range %92-101
1:2Average %102
Range %95-109
1:4Average %90
Range %85-94
1:8Average %84
Range %80-88
Recovery
The recovery of human iNV 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) 9490-98
Typical Data
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
ng/mlOD1OD2AverageCorrected
802.915 2.750 2.833 2.666
402.210 2.132 2.171 2.004
201.561 1.476 1.519 1.352
100.951 0.997 0.974 0.807
50.616 0.602 0.609 0.442
2.50.396 0.427 0.412 0.245
1.250.274 0.258 0.266 0.099
00.162 0.171 0.167
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 IVL ELISA Kit was designed for the quantitative measurement of Human IVL protein in serum, cell culture supernates, tissue homogenates. It is a Sandwich ELISA kit, its detection range is 1.25 ng/mL-80 ng/mL and the sensitivity is 0.31 ng/mL.

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Target Background

Function
(From Uniprot)
Part of the insoluble cornified cell envelope (CE) of stratified squamous epithelia.
Gene References into Functions
  1. Together, these results suggest that GR modulates involucrin expression of keratinocytes by regulating the intracellular signaling network in a ligand-independent manner. PMID: 24515279
  2. over-expression of Nnat was evident along with involucrin and cytokeratin1 expression PMID: 24252747
  3. involucrin is up-regulated in psoriatic keratinocytes PMID: 23283814
  4. KLF4 is part of a multiprotein complex that interacts that the hINV promoter distal regulatory region to drive differentiation-dependent hINV gene expression in epidermis. PMID: 23599428
  5. Compared with the control, the level of expression of the IVL gene in NCTC 2544 cells was increased after 8 h of treatment with hyaluronic acid or Plantaricin A preparations. PMID: 22742591
  6. Therefore, together with trichohyalin, the cross-linking due to involucrin is also responsible for the mechanical resistance of the corneous trabeculae present among the empty spaces of the medulla of the human hair. PMID: 22197495
  7. The authors found that HPV 16 E6 but not E7 repressed IVL promoter activity in proliferating human foreskin keratinocyte cells. PMID: 22333115
  8. higher expression in the fetal skin than in adult skin PMID: 19701759
  9. expression of the epidermal differentiation complex genes filaggrin and involucrin was strongly decreased directly by IL-13. PMID: 20208004
  10. Transcriptional activation of the involucrin gene by calcium in keratinocytes. PMID: 9159190
  11. involucrin gene contains distinct regulatory elements that regulate expression during epidermal differentiation PMID: 11850802
  12. transactivation of involucrin by lens epithelium-derived growth factor (LEDGF) PMID: 12126624
  13. the AP-1 site and the vitamin D response element in the involucrin promoter play important roles in mediating the action of 1,25-dihydroxyvitamin D3 on involucrin expression PMID: 12445200
  14. p38 delta is the major p38 isoform driving suprabasal hINV gene expression PMID: 12810719
  15. role for AP1 transcription factors in the regulation of human corneal epithelial cell involucrin gene expression. PMID: 15037572
  16. human involucrin promoter activity is regulated by green tea polyphenol and curcumin via opposing effects on CCAAT/enhancer-binding protein function PMID: 15044435
  17. cascade regulates activator protein one, Sp1, and CCATT/enhancer-binding protein transcription factor DNA binding to two discrete involucrin promoter regions, the distal- and proximal-regulatory regions, to regulate involucrin gene expression. PMID: 15191537
  18. cholesterol depletion alters involucrin gene expression through activation of p38alpha/beta. PMID: 15304097
  19. YY-1 and c-Jun transcription factors participate in the repression of the human involucrin promoter. PMID: 15586248
  20. Involucrin expression of keratinocytes is suppressed by roxithromycin through direct inhibition of AP-1 and indirect inhibition of NF-kappaB. PMID: 16140218
  21. AP1, Sp1, and C/EBP transcription factors are required for appropriate differentiation-dependent involucrin expression. PMID: 16374477
  22. involucrin gene expression inhibition by apigenin is associated with a specific reduction in phosphorylation of protein kinase Cdelta Tyr311 PMID: 16982614
  23. Pyk2 regulation is associated with increased expression of Fra-1 and JunD, activator protein-1 transcription factors known to be required for involucrin expression. PMID: 17205062
  24. There is a major role for STAT5a in the differentiation of keratinocytes, where it contributes to involucrin expression by activating the PPARgamma signal. PMID: 17330131
  25. BAG-1L also potentiated transactivation of known vitamin-D-responsive gene promoters, osteocalcin and 24-hydroxylase, and enhanced VDR-dependent transcription and protein expression of the keratinocyte differentiation marker, involucrin. PMID: 17662274
  26. a large multiprotein complex, which includes Fra-1, p300, P/CAF, junD, junB, and Sp1 acts at the AP1-5 site to produce a synergistic increase in hINV gene expression PMID: 17882273
  27. These findings indicate that PKCdelta activity for activation of involucrin promoter requires Y(311) and a second tyrosine residue; however, any one of the several tyrosine residues can serve in the secondary role. PMID: 17943181
  28. PPAR gamma regulates involucrin expression by controlling the AP-1 signal and p38 activation in 1 alpha,25(OH)2D3-induced keratinocyte differentiation. PMID: 18077140
  29. The expression of loricrin and involucrin in invovled and uninvolved skin of patients with atopic dermatitis is reported. PMID: 18166499
  30. siRNA for PRKD1 resulted in reduction of mRNA levels of PKD1, altered cell phenotype and promotion of keratinocyte differentiation, demonstrated by increased expression of involucrin and keratin 10 mRNAs PMID: 18259765
  31. RT-PCR and western blot analysis revealed a delay in the expression of the differentiation markers K1, K10 and involucrin in HaCaT cells compared with normal human keratinocytes PMID: 18637039
  32. Infection by HPV may alter the differentiation status of the epidermis, leading to earlier involucrin expression PMID: 19515043

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Subcellular Location
Cytoplasm. Note=Constituent of the scaffolding of the cornified envelope.
Protein Families
Involucrin family
Tissue Specificity
Keratinocytes of epidermis and other stratified squamous epithelia.
Database Links

HGNC: 6187

OMIM: 147360

KEGG: hsa:3713

STRING: 9606.ENSP00000357753

UniGene: Hs.516439

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