This Human ELA2 ELISA Kit was designed for the quantitative measurement of Human ELA2 protein in serum, plasma, tissue homogenates. It is a Sandwich ELISA kit, its detection range is 6.25 ng/mL-400 ng/mL and the sensitivity is 1.56 ng/mL .
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.
線性度:
To assess the linearity of the assay, samples were spiked with high concentrations of human ELA2 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 %
87
Range %
82-95
1:2
Average %
85
Range %
81-89
1:4
Average %
95
Range %
91-99
1:8
Average %
97
Range %
92-104
回收率:
The recovery of human ELA2 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)
108
98-110
EDTA plasma (n=4)
94
90-98
標準曲線:
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
Modifies the functions of natural killer cells, monocytes and granulocytes. Inhibits C5a-dependent neutrophil enzyme release and chemotaxis. Capable of killing E.coli but not S.aureus in vitro; digests outer membrane protein A (ompA) in E.coli and K.pneumoniae.
基因功能參考文獻:
Results found that the neutrophil elastase is up-regulated in both overweight and obese subjects and associated with BMI and markers of cardiovascular disease. PMID: 30056589
Munc134 mediates human neutrophil elastaseinduced airway mucin5AC hypersecretion by interacting with syntaxin2. PMID: 29767240
Neutrophil elastase impaired the EMILIN1-alpha4beta1 integrin interaction by cleaving the gC1q domain in a region crucial for its proper structural conformation, paving the way to better understand NE effects on EMILIN1-cell interaction in pathological context. PMID: 28074935
the effect of elastase on gammadelta T cells was mediated through the protease-activated receptor, PAR1, because the inhibition of this receptor with a specific antagonist, RWJ56110, abrogated the effect of neutrophils on gammadelta T-cell activation. PMID: 28888033
PMN elastase is released by neutrophils in response to Streptococcus pneumoniae pneumolysin. PMID: 27892542
Plasma Neutrophil Elastase and Elafin as Prognostic Biomarker for Acute Respiratory Distress Syndrome. PMID: 28187039
Our results suggest that associated serum levels of proMMP-9, NGAL, proMMP-9/NGAL and NE may reflect the state of systemic inflammation in chronic obstructive pulmonary disease related to cigarette smoking. PMID: 28004483
Using different blood leukocyte and skin resident cell preparations, and recombinant proteins, the authors have identified that neutrophil elastase, but not other neutrophil derived proteases, cleaves IL-36Ra into its highly active antagonistic form. PMID: 27101808
Taken together, these observations support that the unusual HNE N-glycosylation, here reported for the first time, is involved in modulating multiple immune functions central to inflammation and infection. PMID: 28630087
results suggest activation of elastase in tendinopathy of the long head of the biceps increases the degradation of elastin to increase the levels of elastase, becoming a vicious cycle to the progressive severity of tendinopathy PMID: 27935111
Coincubation with the inhibitors, particularly MK0339, promoted cell survival and increased formation of mature neutrophils. These studies suggest that cell-permeable inhibitors of neutrophil elastase show promise as novel therapies for ELANE-associated neutropenia. PMID: 28754797
Data suggest that neuropilin-1 (NRP1) functions as a receptor for neutrophil elastase (NE), mediates uptake/absorption of NE, and facilitates cross-presentation of PR1 (a peptide fragment of NE) in breast cancer cells. PMID: 28468826
the impact of NE mutations that are typical of human congenital neutropenia in a murine model of in vitro and in vivo neutrophil differentiation PMID: 27942017
Faecal biomarkers lactoferrin, calprotectin, and PMN-elastase were able to distinguish between ulcerative colitis patients with mucosal healing from clinical remission and mild disease, showed significant correlations with endoscopy, and were predictive of a flare. PMID: 26874351
In conclusion, site-specific CBG N-glycosylation regulates the bioavailability of cortisol in inflamed environments by fine-tuning the RCL proteolysis by endogenous and exogenous elastases. PMID: 27339896
Although circulating nucleosomes and elastase - alpha 1-antitrypsin complexes are at present the best characterized biomarkers for neutrophil extracellular traps formation and neutrophil activation, their lack of association with rs2288904 genotype does not exclude a role for SLC44A2 in neutrophil activation (and possibly NET formation) in Venous Thromboembolism. PMID: 27093231
The levels of both NE and PR3 correlated with absolute neutrophil counts and are reduced in type 1 diabetes mellitus patients. PMID: 26939803
The results of the present study may indicate that NE activates the phosphoinositide-3 kinase/Akt signaling pathway in leukemia cells to inhibit apoptosis and enhance cell proliferation PMID: 27035679
The HNE-TACE signalling pathway has an important role in the process of MUC5AC overexpression in chronic rhinosinusitis. PMID: 26881964
An increased NE: A1 AT ratio is closely associated with liver Inflammation in patients with NASH and could serve as a novel marker to predict NASH in humans PMID: 26444279
Neutrophil elastase activity is deleterious for airway epithelial cell homeostasis. PMID: 26221769
mosaic mutations result in cyclic neutropenia PMID: 25912133
Different ELANE mutants show specific activation of different UPR pathways in congenital neutropenia. PMID: 26567890
Neutrophil elastase was increased in the saliva from COPD patients and additionally distinguished smoking status. PMID: 26018813
Paternal Somatic Mosaicism of a Novel Frameshift Mutation in ELANE Causing Severe Congenital Neutropenia. PMID: 26174650
Sirtinol is a novel HNE inhibitor and may have the potential for clinical application in the treatment of inflammatory lung diseases. PMID: 25666548
Autoprocessing of neutrophil elastase near its active site reduces the efficiency of natural and synthetic elastase inhibitors. PMID: 25857284
analysis of the mechanistic link between neutrophil elastase expression in atherosclerotic plaques and concomitant pro-inflammatory bioactive IL-1beta secretion from endothelial cells PMID: 26269588
In patients with carotid plaques, both circulating and intraplaque polymorphonuclear neutrophils produce IL-8, VEGF and elastase, which are crucial for plaque development and progression. PMID: 25893670
Pathogenesis of ELANE-mutant severe neutropenia revealed by induced pluripotent stem cells. PMID: 26193632
The imbalance between Neutrophil elastase and its inhibitors, such as elafin, presents an important therapeutic target in breast cancer. PMID: 25195861
Neutrophil elastase mainly enhances tissue factor production by monocytes via the phospholipase C/conventional PKC/p38 MAPK pathway, although a novel PKC is also involved. PMID: 25465717
results suggest that elastase-like proteases in the microglial cells surrounding Abeta plaques are responsible for ApoE degradation in the brain. PMID: 25956321
PAR2 and TRPV4 are activated by neutrophil elastase to cause inflammation and pain PMID: 25878251
Three proteins-matrix metalloproteinase-9, neutrophil elastase, and FAM49B-were significantly lower in abundance in samples from women with endometriosis. PMID: 25284053
Sequencing is useful for predicting outcomes of ELANE-associated neutropenia. PMID: 25427142
Over-expressed NE in K562 leukemia cells promotes cell proliferation, inhibits apoptosis and block cell cycle in S phase. PMID: 25652853
Suggest a potential role of ELANE gene polymorphisms as therapy modulators in childhood bronchiectasis. PMID: 24816969
An interactive network of elastase, secretases, and PAR-2 protein regulates CXCR1 receptor surface expression on neutrophils PMID: 24914212
Circulating protein levels and enzymatic activity of ELANE are markedly elevated in patients with type 1 diabetes mellitus, and are correlated with increased autoantibodies against beta-cell antigens. PMID: 25092677
The present findings highlight the peculiar activity of PMN elastase in disabling EMILIN1 suppressor function. PMID: 24513040
It reports the synthesis and enzymatic studies on a new proteinase 3 intermolecular quenched substrate with enhanced selectivity over neutrophil elastase. PMID: 23911525
The leukocyte elastase gene is substituted at the 597th base (G to A) in intron 4 of severe congenital neutropenia. PMID: 24616599
Human sex hormone-binding globulin mediates the targeted release of cortisol at sites of inflammation through cleavage of its reactive center loop by neutrophil elastase. PMID: 24848868
neutrophil elastase reflects the severity and progression of acute pancreatitis. PMID: 23819644
ELANE mutations disrupt translation initiation and are associated with neutropenia; they produce novel neutrophil elastase isoforms PMID: 24184683
SPLUNC1 degradation by neutrophil elastase may increase airway susceptibility to bacterial infections. PMID: 23741370
Neutrophil elastase and proteinase-3 trigger G protein-biased signaling through proteinase-activated receptor-1 (PAR1). PMID: 24052258
Specific ELANE mutations have limited predictive value for leukemogenesis; the risk for leukemia was correlated with disease severity rather than with occurrence of an ELANE mutation. PMID: 23463630
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相關疾?。?/div>
Cyclic haematopoiesis (CH); Neutropenia, severe congenital 1, autosomal dominant (SCN1)