Features of the immune response and vascular wall stiffness in workers exposed to industrial aerosols

Author(s):  
Ju. V. Ivanova ◽  
M. Y. Milyutina ◽  
E. V. Makarova

Introduction. In recent years, in occupational pathology, much attention is paid to professionally caused diseases, a special place among which is occupied by cardiovascular pathology. Vascular wall stiff ness is considered as an independent cardiovascular risk factor. This makes it important to study the mechanism of development of arterial stiffness, a key component of which is inflammation.The aim of the study was to identify the relationship between immune parameters and vascular wall stiff ness according to volumetric sphygmography in workers exposed to industrial aerosols.Materials and methods. A survey was conducted of 55 men working in conditions of exposure to industrial aerosols, and 32 men who do not have professional contact with industrial pollutants. Serum concentrations of class A and G immunoglobulins, cytokines, tumor necrosis factor α, and C-reactive protein were determined by solid-phase enzyme immunoassay. Assessment of elastic properties of the vascular wall was carried out by volumetric sphygmography.Results. Increased production of anti-inflammatory interleukin–8, immunoglobulin G and C-reactive protein, as well as increased cardiovascular and ankle vascular index on the right and left in the group working under the influence of industrial aerosols was found. Median concentrations of immunoglobulins, interleukins and C-reactive protein were independent of changes in the value of the cardiovascular ankle vascular index. Increased rigidity of the vascular wall was accompanied by an increase in the production of tumor necrosis factor α. Thus, in the group of persons with increased stiff ness, the level of this cytokine was 3 times higher than in the group of persons with normal values of the cardiovascular-ankle vascular index. The relationship between the cardiovascular ankle vascular index and the concentration of tumor necrosis factor α (r=0.61; p=0.009), C-reactive protein (r=0.54; p=0.02) and feedback with the level of anti-infl ammatory interleukin–10 (r=0.36; p=0.04) was revealed.Conclusions. The established significant correlations between cytokines (tumor necrosis factor α, interleukin–10), C-reactive protein and individual indicators of volumetric sphygmography (cardio-ankle vascular index) indicate the pathogenetic role of cytokines and acute phase proteins in the violation of elastic properties of the vascular bed in workers under the influence of industrial aerosols.

2019 ◽  
Vol 85 (4) ◽  
pp. 35-42
Author(s):  
E.V. Sid’ ◽  
O.V. Soloviov

One of the important problems of modern medicine is the continuous increase of cardiovascular disease. An urgent problem at the present stage is the treatment of patients with acute forms of coronary heart disease, since vascular accidents are the leading causative factors of mortality from cardiovascular disease. Recently, an increasing number of studies have determined the role of genetic markers for predicting the adverse course of various cardiovascular diseases, including acute myocardial infarction. The distribution of genes markers of systemic inflammatory responses was determined in patients with STEMI. There are riteria for inclusion in the study: male and female patients from 46 to 75 years old; for postmenopausal women, more than 1 year; the presence of STEMI in the first 12 hours of the onset of the disease; informed consent of the patient to participate in the study. DNA was isolated from leukocytes from whole blood using the Express DNA Blood Kit (Litech). In the process of DNA extraction, the recommendations given in the kit instructions were followed. SNP polymorphisms of C-reactive protein genes were determined G-3014>A, tumor necrosis factor-α G-308>A, interleukin-10 G-1082>A by real-time polymerase chain reaction using a Rotor-Gene 6000 thermocycler (Corbett Research, Australia). The structure of the primers from the standard SNP-express-PB sets (Litech) was used. It was determined, that in patients with STEMI, an increase in the proportion of homozygotes (GG) and a decrease in heterozygotes (GA) of the genotypes of the G-3014>A polymorphism of the C-reactive protein gene are determined in comparison with the Hardy–Weinberg distribution. Polymorphism G-308>A of the tumor necrosis factor-α gene among patients with STEMI had a significant discrepancy with Hardy–Weinberg equilibrium, with an increase in the proportion of homozygotes (GG) and a decrease in heterozygotes (GA) and homozygotes (AA). The distribution of G-1082>A polymorphism of the interleukin-10 gene was characterized by an increase in the proportion of homozygotes (GG) and a decrease in heterozygotes (GA) in patients with STEMI compared to the Hardy–Weinberg distribution.


Nutrition ◽  
2008 ◽  
Vol 24 (4) ◽  
pp. 322-329 ◽  
Author(s):  
Sally D. Poppitt ◽  
Geraldine F. Keogh ◽  
Fiona E. Lithander ◽  
Yu Wang ◽  
Tom B. Mulvey ◽  
...  

2015 ◽  
Vol 53 (3) ◽  
pp. 253-260
Author(s):  
T. Voiosu ◽  
Andreea Benguş ◽  
P. Bălănescu ◽  
Roxana Dinu ◽  
A. Voiosu ◽  
...  

AbstractBackground and Aims. Serum and fecal biomarkers have been used as noninvasive methods for assessing disease activity in ulcerative colitis. C-reactive protein, serum tumor necrosis factor-α and fecal calprotectin are among the most promising such biomarkers. However, their role in the management of ulcerative colitis patients remains to be clarified. We aimed to evaluate the accuracy of C-reactive protein, fecal calprotectin and tumor necrosis factor-α in detecting clinical and endoscopic activity and predicting disease outcome.Methods. A cohort of ulcerative colitis patients was prospectively evaluated for clinical and endoscopic disease activity using the Mayo score. Serum C-reactive protein and tumor necrosis factor-α levels were measured and a point-of-care method was used for determining Calprotectin levels.Results. Fifty-three patients with ulcerative colitis were followed for a median of 12 months. Fecal calprotectin and C-reactive protein levels were significantly higher in patients with clinically active disease at baseline, but only calprotectin levels correlated with endoscopic activity. Calprotectin values over 300 μg/g had 60% sensitivity and 90% specificity for detecting active endoscopic disease and 61% sensitivity and 89% specificity for predicting mucosal healing.Conclusion. Rapid calprotectin testing is a better predictor of mucosal healing than serum biomarkers and it could improve the management of ulcerative colitis patients by decreasing the need for invasive investigations.


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