scholarly journals Tear Nitric Oxide Levels in Behçet’s Disease

Medicina ◽  
2012 ◽  
Vol 48 (11) ◽  
pp. 81
Author(s):  
Yalçın İşcan ◽  
Ulviye Yiğit ◽  
Mehmet Erdoğan ◽  
Derya Erdoğan ◽  
Veysi Öner ◽  
...  

The aim of this study was to evaluate the tear nitric oxide (NO) level in patients with Behçet’s disease and to compare it with that in healthy subjects. Material and Methods. The subjects were divided into 3 groups: the active disease, inactive disease, and control groups. NO concentrations were determined by a nitrate/nitrite colorimetric assay kit and measured spectrophotometrically at 540 nm. Results. The tear nitrate/nitrite levels were 0.06 nmol/μL (SD, 0.05) in the active disease group, 0.05 nmol/μL (SD, 0.05) in the inactive disease group, and 0.02 nmol/μL (SD, 0.01) in the control group. The tear nitrate/nitrite levels of both active and inactive groups were higher than those of the control group (P=0.001 and P=0.047, respectively), but there was no significant difference between the active and inactive groups. Conclusion. Our results demonstrated that the tear NO levels were elevated in the patients with Behçet’s disease. We imply that a better understanding of NO function in the pathogenesis of Behçet uveitis is necessary to develop new therapies based on the inhibitors of NO synthases.

2010 ◽  
Vol 2010 ◽  
pp. 1-5 ◽  
Author(s):  
Amira Hamzaoui ◽  
Olfa Harzallah ◽  
Rim Klii ◽  
Silvia Mahjoub

Objectives. The aim of this study was to investigate if hyperhomocysteinaemia is a contributive risk factor for the pathogenesis and the activity of Behçet's disease (BD).Design and Methods. Fifty four patients fullfiling the criteria of the International Study Group for BD were enrolled. Fifty healthy volunteers matched for age and sex with the BD group were included as a negative control group. Patients, with any condition that might affect plasma homocysteine concentration, were excluded.Results. Mean serum homocysteine concentration was significantly higher in patients with BD than in the healthy controls (), in patients with active disease (), and in masculine gender (). There was no significant difference between homocysteine level and clinical involvement.Conclusions. We demonstrated that plasma total homocysteine level (tHcy) is increased in BD and correlated with disease activity. No association was found between homocysteine levels and clinical involvement.


2013 ◽  
Vol 2013 ◽  
pp. 1-4 ◽  
Author(s):  
Fatih Mehmet Türkcü ◽  
Abdullah Kürşat Cingü ◽  
Harun Yüksel ◽  
Yasin Çınar ◽  
Meltem Akkurt ◽  
...  

Objective. To determine whether mean platelet volume (MPV) is an indicator of disease severity in ocular Behçet’s Disease (BD).Materials and Methods. The study population was 30 newly diagnosed ocular BD patients who presented with active uveitis. These patients had no past history of smoking, drug use, or systemic diseases including diabetes mellitus, hypertension, cardiovascular disease, and renal disease. A control group consisting of 34 healthy individuals was included for comparison. MPV measurements were performed serially upon presentation with active uveitis and at one and three month thereafter in BD group whereas only at presentation in the controls.Results. Upon presentation with active uveitis, the mean MPV levels were 7.88 ± 1.14 femtoliters (fL) for BD group. During the posttreatment follow-up period at first and third months, BD patients demonstrated a mean MPV level of 7.71 ± 1.12 fL and 7.65 ± 1.04 fL, respectively. The mean MPV value of control group, was 8.39 ± 0.66 fL at presentation. Fluctuations in MPV values were not significant in the BD group, while there was a significant difference between the initial measurements of the BD and control groups.Conclusion. MPV measurement in ocular BD is not a predictive laboratory test to determine the clinical improvement in early stages following classical immunosuppressive treatment.


2013 ◽  
Vol 2013 ◽  
pp. 1-7 ◽  
Author(s):  
Jelena Paovic ◽  
Predrag Paovic ◽  
Vojislav Sredovic

Aim. The aim of this study was to evaluate if patients with Behcet’s disease who have ocular involvement have a more severe form of this disease as compared to patients with Behcet’s disease alone.Methods. A total of 99 patients were included in the study. 76 patients were used as part of the examined group, and 23 patients formed a control group.Results. The following are the results of examined and control groups, respectively: recurrent oral aphthous ulcers 89.5%, 95.7%; genital ulcers 61.8%, 97.0%; articular involvement 72.4%, 65.2%; vasculitis 81.6%, 60.9%; positive pathergy test 25.0%, 47.8%. Higher frequency of genital ulcerations was noted in control group (P=0.001). More than two major criteria were met in 100% of the cases. HLA B51 was present in 78.9% of the cases in the examined group and 43.5% of the cases in control group; thus there is significant difference between them (P=0.001). Visual acuity >0.5 occurred in 76% (examined group). Most frequent ocular manifestations in the examined group were retinal periphlebitis 81.6%, periphlebitis and periarteritis 65%, and serofibrinous uveitis 63.2%. Macular edema as a complication was present in 63.2%. The majority of patients (55.3%) were treated with combined therapy consisting of cyclosporine A and systemic corticosteroids. In 38.2% of patients, laser photocoagulation was used on retinal periphery.


2002 ◽  
Vol 46 (1) ◽  
pp. 50-54 ◽  
Author(s):  
Cem Evereklioglu ◽  
Yusuf Turkoz ◽  
Hamdi Er ◽  
H.Serhat Inaloz ◽  
Emin Ozbek ◽  
...  

Vascular ◽  
2020 ◽  
Vol 28 (6) ◽  
pp. 829-833
Author(s):  
Demet Yalçın Kehribar ◽  
Metin Ozgen

Objective This study aims to investigate the efficacy and reliability of infliximab treatment in Behcet’s disease with vascular involvement. Methods This single-center retrospective study included a total of 18 patients diagnosed with Behcet’s disease with vascular involvement who were initiated infliximab treatment after exhibiting resistance to conventional immunosuppressive treatments. Results Seventeen patients achieved remission with infliximab treatment. While 18 patients were receiving a median of 50 (IQR: 20–61) mg/day equivalent of methylprednisolone before infliximab treatment, after infliximab treatment, only four patients were receiving 4 mg/day equivalent of methylprednisolone ( p < 0.001). Only 4 patients were receiving oral anticoagulant treatment during infliximab treatment, and compared to the patients who were not receiving oral anticoagulants, there was no significant difference between the two groups according to occurrence of new vascular events. Conclusion Infliximab seems to be an effective and reliable treatment in Behcet’s disease with vascular involvement and may also allow reduced dosage or even the discontinuation of corticosteroids. The results of our study suggest that oral anticoagulant use is unnecessary in Behcet’s disease with vascular involvement. However, further long-term randomized controlled studies are needed to investigate the length of infliximab regimen, whether or not it should be discontinued, and if so, whether or not immunosuppressants should be given as maintenance after discontinuation.


Author(s):  
Farhad SHAHRAM ◽  
Javad KAZEMI ◽  
Mahmoud MAHMOUDI ◽  
Zohreh JADALI

Background: Both genetic and environmental factors influence, susceptibility to autoimmune disorders including Behcet’s disease (BD). FCRL3 (Fc receptor like 3 genes), a novel immunoregulatory gene, has recently been reported as a new promising candidate gene for general autoimmunity. This study was conducted to explore the potential association of FCRL3 polymorphisms with BD. Methods: This study was conducted from 2010 to 2015 in Tehran University of Medical Sciences, Tehran, Iran. Four single-nucleotide polymorphisms of FCRL3 (rs7528684, rs11264799, rs945635, and rs3761959) were genotyped in 220 patients and 220 healthy controls. Typing of the polymorphisms in this case-control study was carried out using polymerase chain reaction-restriction fragment length polymorphism analysis. Results: Analysis of the alleles revealed a significantly lower frequency of the A allele at the -169 site (rs7528684) in BD patients compared with that in controls (P=0.000, 66.4% versus 82%, χ2= 30.23). Moreover, a significant lower frequency of AA genotype and higher frequency of GG genotype was recorded for rs7528684. There was also relationship between posterior uveitis as a clinical sign of disease and polymorphism of allele A at the -169 site (P=0.015). Conclusion: This study revealed a significant difference in both allele and genotype frequency at position -169 of FCRL3 gene between Iranian patients with BD and normal subjects. These data suggest FCRL3 gene polymorphisms might be the autoimmunity risk factor for BD.


Author(s):  
Yeşim Özkan ◽  
Sevgi Yardım-Akaydın ◽  
Aylin Sepici ◽  
Başak Engin ◽  
Vesile Sepici ◽  
...  

2017 ◽  
Vol 2017 ◽  
pp. 1-13 ◽  
Author(s):  
Bunsoon Choi ◽  
Chang-Hee Suh ◽  
Hyoun-Ah Kim ◽  
Hasan M. Sayeed ◽  
Seonghyang Sohn

The purpose of this study was to clarify the role of pattern recognition receptors in Behçet’s disease (BD). The frequencies of several pattern recognition receptors (CD11b, CD11c, CD32, CD206, CD209, and dectin-1) were analyzed in patients with BD by flow cytometry, and cytokine levels, interleukin- (IL-) 18, IL-23, and IL-17A, were compared in plasma. The analysis was performed in active (n=13) and inactive (n=13) stages of BD patients. Rheumatoid arthritis patients (n=19), as a disease control, and healthy control (HC) (n=19) were enrolled. The frequencies of CD11b+ and CD32+ cells were significantly increased in active BD patients compared to HC. Disease severity score was correlated to CD11c+, CD206+, and CD209+ in whole leukocytes and CD11b+, CD11c+, CD206+, CD209+, and Dectin-1+ in granulocytes. The plasma levels of IL-17A were significantly different between HC and active BD. IL-18 showed significant difference between active and inactive BD patients. From this study, we concluded the expressions of several pattern recognition receptors were correlated to the joint symptoms of BD.


2018 ◽  
Vol 6 (4) ◽  
pp. 185-188 ◽  
Author(s):  
Tuba Tülay Koca

Abstract Background and Objective Bilirubin (Bb) is the product of the intravascular compartment of catabolic pathway. In a small number of clinical trials, it has been shown that Bb molecules are associated with cardiovascular diseases, diabetes, cancer, autoimmune (lupus, rheumatoid arthritis) diseases and schizophrenia. Behçet's disease is a chronic, multisystemic, inflammatory vasculitis that was first described by Hulusi Behçet in 1937, which affects almost all organs and systems without any known aetiology. Here, we investigated the clinical significance of serum Bb as a biomarker in the patients with Behçet's disease. Methods Seventy-one (N = 71) patients with Behcet's diagnosis within the last 1 year were included retrospectively. Control group consisted of 75 subjects with similar age and sex distribution. Serum Bb, indirect Bb, total Bb, aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP) and erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) data were recorded from the hospital records. Results In the Behçet group, direct Bb was significantly lower (P = 0.011), ESR and CRP were significantly higher (P = 0.00). No significant differences were observed in other parameters. In the whole group, total Bb and indirect Bb were negatively correlated with ESR (P = 0.025, P = 0.01). Direct Bb was negatively correlated with CRP (P = 0.002). For the diagnosis of Behçet, direct Bb with a threshold of < 0.14 can be used as a diagnostic test (P = 0.000) with 70% sensitivity, 68% specificity (area under the curve = 0.69; 95% confidence interval 0.59–0.80) in ROC curve analysis. Conclusion According to our study, we found that inflammatory markers were high and direct Bb values were low in patients with Behcet's disease. In addition, Bb parameters were negatively associated with acute phase reactants. As a practical biomarker with anti-oxidative properties, the direct Bb can be used to diagnose and clinical follow-up in cases with Behçet's disease.


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