نتایج جستجو برای: neutrophil elastase ne
تعداد نتایج: 80087 فیلتر نتایج به سال:
The azurophilic granules of human neutrophils contain four α-defensins called human neutrophil peptides (HNPs 1-4). HNPs are tridisulfide-linked antimicrobial peptides involved in the intracellular killing of organisms phagocytosed by neutrophils. The peptides are produced as inactive precursors (proHNPs) which are processed to active microbicides by as yet unidentified convertases. ProHNP1 was...
Proteinase 3 (PR3) has received great scientific attention after its identification as the essential antigenic target of antineutrophil cytoplasm antibodies in Wegener's granulomatosis (now called granulomatosis with polyangiitis). Despite many structural and functional similarities between neutrophil elastase (NE) and PR3 during biosynthesis, storage, and extracellular release, unique properti...
In cystic fibrosis (CF), neutrophil-dominated airway inflammation results in high levels of neutrophil elastase (NE). Some of these proteases are sequestered by the large amounts of deoxyribonucleic acid (DNA) present in purulent sputum. Recombinant human deoxyribonuclease (rhDNase), a new treatment in CF, depolymerizes DNA. Our concerns were that this might release proteases bound to DNA, whic...
PR1 is a HLA-A2-restricted peptide that has been targeted successfully in myeloid leukemia with immunotherapy. PR1 is derived from the neutrophil granule proteases proteinase 3 (P3) and neutrophil elastase (NE), which are both found in the tumor microenvironment. We recently showed that P3 and NE are taken up and cross-presented by normal and leukemia-derived APCs, and that NE is taken up by br...
In renal transplantation, ischemia-reperfusion (I/R) injury is a major cause of renal dysfunction. Activated neutrophils are reported to be closely involved in I/R injury after renal transplantation. Neutrophil elastase, a protease released from activated neutrophils, damages tubular endothelial cells. We investigated the beneficial effect of neutrophil elastase inhibitor (ONO-5046.Na) on renal...
EPI-hNE4 (depelstat) is a potent inhibitor of human neutrophil elastase derived from human inter-alpha-trypsin inhibitor and designed to control the excess proteolytic activity in the sputum of cystic fibrosis patients. We analyzed its resistance to the proteolysis it is likely to encounter at inflammatory sites in vivo. EPI-hNE4 resisted hydrolysis by neutrophil matrix metalloproteases (MMPs) ...
BACKGROUND Neutrophil elastase level/activity is elevated in a variety of diseases such as atherosclerosis, systolic hypertension and obstructive pulmonary disease. It is unknown whether obese individuals with prehypertension also have elevated neutrophil elastase, and if so, whether it has a deleterious effect on pulmonary function. OBJECTIVES To determine neutrophil elastase levels in obese...
Neutrophil elastase (NE), a serine protease present in high concentrations in the airways of cystic fibrosis patients, injures the airway epithelium. We examined the epithelial response to NE-mediated proteolytic injury. We have previously reported that NE treatment of airway epithelial cells causes a marked decrease in epithelial DNA synthesis and proliferation. We hypothesized that NE inhibit...
Neutrophil elastase (NE) is a powerful serine protease capable of degrading most protein components of the extracellular matrix. We hypothesize that this elastase may play a significant role in lung cancer development and tested our hypothesis in a study of 348 primary lung cancer cases and 299 controls. Analysis of the entire gene using denaturing high performance liquid chromatography identif...
Some neutrophil products such as elastase, myeloperoxidase (MPO), alkaline phosphatase (ALKP), superoxide (O2 ), and 5-oxo-eicosatetraenoic acid (5-oxo-ETE) may play an essential role in neutrophil mediated lung injury in the course of Bovine Respiratory Disease (BRD). The aim of this study was to evaluate how this neutrophil secretory action correlates with the severity of clinical signs on th...
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