Search results for: Human neutrophil peptide 1-3,HNP1-3 ELISA Kit
#28944351 2017/09/25 Save this To Up
The Effect of Nonsurgical Periodontal Therapy on the Level of Human Neutrophil Peptides 1-3 in Patients with Aggressive Periodontitis.To assess the presence of HNP1-3 in the gingival crevicular fluid (GCF) of patients suffering from aggressive periodontitis before and after nonsurgical periodontal therapy.
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#28209042 2017/02/17 Save this To Up
[Determination of biomarkers in exhaled breath condensation of acute exacerbation of chronic obstructive pulmonary disease and its clinical implications].Objective: To analyse the changes and clinical implication of biomarkers in exhaled breath condensates (EBC) of acute exacerbation of chronic obstructive pulmonary disease (AECOPD) before and after treatment. Methods: 20 patients with AECOPD were enrolled, including 15 males and 5 females. The average age was 71±10, ranging from 50-85. The concentrations of Leukotriene B4 (LTB4) and Interleukin 6 (IL-6) from EBC were assayed by ELISA kit before and after treatment. Serum inflammatory indexes, pulmonary function test and quality of life (CAT) were observed at the same time, the relationship between EBC biomarkers and clinical markers were investigated. Results: The concentration of LTB4 and IL-6 of AECOPD patients with treated [(20.79±2.27)ng/L, (0.39±0.18)ng/L, respectively], were significantly lower compared with that before treatment [(22.64±3.01)ng/L, (0.60±0.36)ng/L, P<0.05, respectively]. The percentage of neutrophils, CRP were decreased after treatment. But no correlation was found between LTB4, IL-6 and serum inflammatory indexes, pulmonary function or CAT(P>0.05). Conclusion: The concentration of biomarkers (LTB4, IL-6) in EBC of AECOPD patients can dynamically monitor the inflammation in respiratory tract and evaluate the therapeutic effect.
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#27117947 2016/04/27 Save this To Up
Matrix metalloproteinase (MMP)-9: A realiable marker for inflammation in early human trichinellosis.Matrix Metalloproteinases (MMPs) are involved in many physiological and pathological processes. As regards parasitic infections, the role of these proteins has been particularly studied in malaria, neurocysticercosis and angiostrongyloidosis. Recently, we evaluated serum levels of MMP-9 and -2 (gelatinases) in mice experimentally infected with Trichinella spiralis or Trichinella pseudospiralis, which cause different degrees of myositis and we found their significant increase in the former and, at a lesser extent, in the latter, thus suggesting the possibility that these gelatinases, particularly MMP-9, represent a marker of inflammation. Our aim was to evaluate the levels of MMP-9 and 2 in trichinellosis patients, to assess their possible clinical significance. Serum samples from 31 Trichinella britovi-infected individuals (20 males and 11 females), living in Tuscany, Central Italy, were analysed for MMP-9 and MMP-2 serum levels. Patients acquired infection with Trichinella after consuming raw or undercooked meat of wild boar. Their median age was 49±0.33years (range from 7 to 91). Sera was collected before starting anti-inflammatory treatment, aliquoted and stored at -20°C until use. Sera from healthy subjects was considered as controls. The gelatinolytic activity of MMPs was analysed by gelatin zymography on 8% polyacrylamide-SDS gels containing 0.1% porcine gelatin, under non-reducing conditions. Clear bands corresponding to the digested areas were evaluated with an appropriate software. MMP-9 levels were additionally determined in 15 patients using a commercial ELISA kit for human MMP-9. The zymographic analysis of the gels showed the presence in serum samples of gelatinase bands at approximately 125-kDa, 92-kDa and 72-kDa, corresponding to the MMP-9/Neutrophil gelatinase-associated lipocalin (NGAL) complex and proenzyme forms of MMP-9 and MMP-2, respectively. A significant (p<0.01) increase in gelatinolytic activity in patients compared to the control group was observed for pro-MMP-9 in 25 out of 31. The mean increase in activity was 39.25%±16.67%. No significant differences were observed for pro-MMP-2 activity. The MMP-9 levels detected by ELISA showed significant correlation with zymographic data (r(2)=0.62, p<0.003) and were higher in more affected patients (suffering diarrhea, facial edemas and myalgia). In conclusion, MMP-9 might be considered as a marker of inflammation in T. britovi patients. On the contrary, MMP-2 did not result significantly different in patients, compared to controls.
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#27045722 2016/04/06 Save this To Up
[Effects of artesunate on cigarette smoke-induced lung oxidative damage in mice and the expression of Nrf2 and the possible mechanism].To explore the effects of artesunate on cigarette smoke-induced lung oxidative damage in mice and the expression of Nuclear factor-E2-related factor 2 (Nrf2).
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#26522810 2016/04/04 Save this To Up
Canine pyometra: a model for the analysis of serum CXCL8 in inflammation.Interleukin-8 (IL-8 or CXCL8) is a highly selective pro-inflammatory chemokine, that is elevated in sera of humans and animals with various inflammatory diseases. CXCL8 is possibly involved in uncontrolled inflammation and the development of a systemic inflammatory response syndrome (SIRS) and sepsis. Nevertheless, its behavior and precise properties in the course of inflammation are not fully understood. Thus, we used naturally occurring canine pyometra as a model of inflammation, in order to examine the behavior of serum CXCL8 in relation to the disease intensity and commonly analyzed inflammatory mediators. Using a commercially available canine ELISA kit, a significant increase of CXCL8 was determined in the serum of 23 dogs with pyometra compared with 35 healthy dogs. Interestingly, serum CXCL8 did not increase in severely diseased patients and behaved contrary to white blood cells (WBC), neutrophils and C-reactive protein (CRP). The measurement of serum CXCL8 may provide valuable information about the extent of ongoing lesions and could be a useful complement for existing laboratory tests.
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#26370008 2015/09/15 Save this To Up
Low Serum Levels of Interleukin 35 in Patients with Rheumatoid Arthritis.Interleukin 35 (IL-35) is a newly discovered anti-inflammatory cytokine. Recent studies have indicated that it plays a crucial role in the pathogenesis of autoimmune diseases. In humans, IL-35 is predominantly secreted from regulatory T cells. This study aimed to measure serum IL-35 levels in patients with rheumatoid arthritis (RA) and in control individuals, and analyze its association with disease indicators of RA. One hundred patients with RA were recruited, and 50 volunteers were enrolled as healthy controls. Serum IL-35 levels were measured using an enzyme-linked immunosorbent assay kit. RA patients showed significantly lower serum levels of IL-35 compared with healthy controls (p < 0.001). RA patients suffering from erosive arthritis (n = 31) had lower IL-35 levels than those with non-erosive arthritis (n = 69, p = 0.022). In addition, serum IL-35 level was significantly lower in 22 patients with elevated percentage (> 75%) of neutrophils (p < 0.001). Correlation analysis indicated a significantly negative association between IL-35 and age, rheumatoid factor (RF), or percentage of neutrophils. In contrast, the serum IL-35 levels were not significantly different between patients with anti-cyclic citrullinated peptide (CCP) antibodies (n = 78) and those without anti-CCP antibodies (n = 22). However, among patients without anti-CCP antibodies, the serum IL-35 levels were lower in patients with erosive arthritis (n = 8) than those patients without erosion (n = 14) (p < 0.001), although no significant difference was detected in patients with anti-CCP antibodies. In conclusion, IL-35 plays a protective role in the pathogenesis of RA.
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#24041383 2013/09/17 Save this To Up
High levels of CXC ligand 12/stromal cell-derived factor 1 in apical lesions of endodontic origin associated with mast cell infiltration.CXC ligand 12/stromal-derived factor-1 (CXCL12/SDF-1) is a pleiotropic chemokine that regulates the influx of a wide range of leukocytes. The aim of this study was to characterize CXCL12/SDF-1 in apical lesions (ALs) of endodontic origin, with special emphasis in associated immune cell populations.
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#23478276 2013/05/22 Save this To Up
Urinary MMP-9/NGAL ratio as a potential marker of FSGS in nephrotic children.The study was undertaken to develop a potential new markers for distinguishing minimal change nephrotic syndrome (MCNS) and focal segmental glomerulosclerosis (FSGS) in children. We hypothesized that matrix metalloproteinase-9/neutrophil gelatinase-associated lipocalin (MMP-9/NGAL) is a better marker of focal sclerosis in the glomerulus then matrix metalloproteinase-9/tissue inhibitor of metalloproteinase-1 (MMP-9/TIMP-1) and matrix metalloproteinase-2/tissue inhibitor of metalloproteinase-2 MMP2/TIMP-2.
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#22815956 2012/07/20 Save this To Up
Amniotic fluid cathelicidin in PPROM pregnancies: from proteomic discovery to assessing its potential in inflammatory complications diagnosis.Preterm prelabor rupture of membranes (PPROM) complicated by microbial invasion of the amniotic cavity (MIAC) leading to histological chorioamnionitis (HCA) significantly impacts perinatal morbidity. Unfortunately, no well-established tool for identifying PPROM patients threatened by these disorders is available.
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#22371904 2012/02/28 Save this To Up
The relationship between serum neutrophil gelatinase-associated lipocalin and renal function in patients with vancomycin treatment.Background Vancomycin is used for the treatment of resistant staphylococcal and enterococcal infections but is associated with nephrotoxicity. Neutrophil gelatinase-associated lipocalin (NGAL) was recently identified as a sensitive biomarker for acute kidney injury. Here, we aimed to investigate the usefulness of serum NGAL in monitoring patients undergoing vancomycin therapy. Methods A total of 253 NGAL tests from 59 patients undergoing vancomycin therapy were evaluated. Patients with trough serum concentrations of vancomycin that exceeded 20 ug/mL were included. Serum NGAL was measured using a commercially available ELISA kit, and other biochemical indicators including creatinine, leukocyte count, eGFR and C-reactive protein were assessed. Results At the initiation of vancomycin treatment, serum creatinine level was 0.93 ± 0.40 (mean ± SD) mg/dL, NGAL was 341 ± 354 mg/dL, leukocyte count was 10,750 ± 7190 per uL and CRP level was high (10.8 ± 9.3 mg/dL). About 49% of patients had an elevated leukocyte count, and all patients showed a high CRP level. Basal serum NGAL concentration in the patients with elevated leukocyte level (10,000/uL or higher) was higher compared to that in patients with normal leukocyte levels (mean ± SD, 478 ± 449 mg/dL vs. 176 ± 101 mg/dL, p<0.001). A significant positive relationship was found between NGAL level and creatinine level in patients with normal basal leukocyte levels but not in those with higher leukocytes. Conclusion The clinical usefulness of serum NGAL should be interpreted carefully when evaluating renal impairment in patients undergoing vancomycin treatment.
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