scholarly journals FEATURES OF CLINICAL MANIFESTATIONS, FREE RADICAL, COAGULATION AND AGGREGATION PROPERTIES OF BLOOD IN PATIENTS WITH CRANIOCEREBRAL TRAUMA

2019 ◽  
Vol 72 (4) ◽  
pp. 539-542
Author(s):  
Viktoriia A. Pinchuk ◽  
Galyna Ya. Sylenko ◽  
Yurii I. Sylenko ◽  
Angelina M. Kryvchun ◽  
Tetiana V. Pilugina
Keyword(s):  
Free Radical ◽  
Lipid Oxidation ◽  
Craniocerebral Trauma ◽  
Free Radical Oxidation ◽  
Control Group ◽  
Radical Oxidation ◽  
Number Of Patients ◽  
Free Radical Lipid Oxidation ◽  
Free Radical Lipid ◽  
Apparently Healthy

Introduction: In recent years in Ukraine, as in the entire world, there has been an increase in cases of domestic injuries with a raise in the number of patients with craniocerebral trauma and its consequences. The aim of our research was to study clinical symptoms, the state of free radical oxidation, aggregate and hemocoagulative properties of blood in patients with mild craniocerebral trauma. Materials and methods: We conducted comprehensive clinical and laboratory examination of 34 patients with mild craniocerebral trauma and 20 apparently healthy patients (the control group). The diagnosis was made under ICD-10. The verification of the diagnosis was based on data from clinical examination, neurological status of neuroimaging (computer tomography and magnetic resonance imaging). The study group included 24 men and 10 women aged from 19 to 40. In addition, 20 apparently healthy individuals of the same age were examined, who comprised the control group (14 men and 6 women). In the blood parameters of all patients, we examined free radical oxidation, hemostasis and aggregation properties of platelets. Results: The conducted study revealed clinical disturbances, changes in the parameters of free radical lipid oxidation, coagulation and microcirculatory hemostasis. Conclusions: All patients with mild craniocerebral trauma, develop disturbances in the form of symptoms of microorganic lesion of the central nervous system: convergence weakness in 100% of patients, Mann’s symptom (76.4%), disruption of the function of the cranial nerves (58.8%), signs of pyramidal insufficiency (68.4%), vestibular disorders (94.1%), autonomic vascular dysfunction (100%). Mild craniocerebral trauma is accompanied by the activation of free radical lipid oxidation processes, decreased activity of antioxidant enzymes, hypercoagulation, and increased aggregation properties of platelets.

scholarly journals Functional state of a sphingomyeline cycle and free radical lipid oxidation activity of a rat's liver during different phases of starvation

2012 ◽  
Vol 58 (5) ◽  
pp. 556-563
Author(s):  
D.I. Kuzmenko ◽  
P.G. Burov ◽  
V.Yu. Serebrov ◽  
E.A. Fait ◽  
T.V. Perevozchikova
Keyword(s):  
Oxidative Stress ◽  
Free Radical ◽  
Lipid Oxidation ◽  
Functional State ◽  
Antioxidant Defense ◽  
Metabolic Adaptation ◽  
Control Group ◽  
Neutral Sphingomyelinase ◽  
Free Radical Lipid Oxidation ◽  
Free Radical Lipid

The functional state of a sphingomyeline cycle and character of its mutual relations with the processes of free radical lipid oxidation during starvation of animals without any restriction of access to drinking water at 1, 2, 3 day (I phase) and 6 day (II phase of starvation) were studied at the liver of rats. The maximal values of the ceramide/sphingomyeline ratio and activity neutral sphingomyelinase and executive caspase-3 were reached in a liver of animals at the 3rd day of starvation . From the 3rd day of starvation the concentration of the tumour necrosis factor-α which is one of activators neutral sphingomyelinase was increase in rats blood serum. During the extent of large part of the I phase of starvation the intensity of free radical lipid peroxidation in a liver had almost the same level as in control group - that was a result of the high-grade functioning of antioxidant defense system. After transition the I phase of starvation into the II phase (6 day of experiment) the oxidative stress was developed as result of an exhaustion of system antioxidant defense potential in a liver. The results of this data can testify that during I phase of starvation in a liver the conditions was raised for display of the ceramide-mediated proapoptotic signalling. We assume that ceramide-mediated apoptosis is one of mechanisms of optimization of liver cellular population at the frames of metabolic adaptation. The I phase of starvation in a liver proves by the ceramide-mediated proapoptotic signaling developing. During the II phase of starvation the oxidative stress process were prevailed.

State of the enzyme link of antioxidant protection in boys with hypoandrogenism

2020 ◽  
Vol 40 (4) ◽  
pp. 32-36
Author(s):  
L. K. Parkhomenko ◽  
◽  
L. A. Strashok ◽  
S. I. Turchina ◽  
G. V. Kosovtsova ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Superoxide Dismutase ◽  
Free Radical ◽  
Glutathione Peroxidase ◽  
Free Radical Oxidation ◽  
Conjugated Dienes ◽  
Delayed Puberty ◽  
Control Group ◽  
Antioxidant Protection ◽  
Radical Oxidation

Recently, interest in the problem of free radical oxidation in biological membranes, which is directly related to both the normal functioning of cells and the occurrence, course and outcome of many pathological conditions, has increased again in clinical medicine. The aim was to determine the role and impact of antioxidant defense in boys with hypoandrogenism. The study involved 75 adolescents with hypoandrogenism aged 13–18 years, who underwent a complex of clinical and laboratory examinations. All patients were conducted complex of anthropometric research and determination of the degree of delayed puberty, laboratory and instrumental examination. Free radical oxidation was determined by the levels of malondialdehyde, conjugated dienes, carbonated proteins, superoxide dismutase and catalase in the serum, and restored glutathione and glutathione peroxidase in whole blood. Based on their determination, the coefficient of oxidative stress was calculated. Statistical processing of results was performed using parametric and nonparametric methods. The study of indicators of the free radical oxidation process found that adolescents with hypoandrogenism have multidirectional changes in the oxidation of proteins and lipids, namely: the level of conjugated dienes increases, the concentration of malondialdehyde remains at the level of the control group, and the level of carbonated proteins tends to decrease. As for the activity of antioxidant protection enzymes, a significant decrease in the level of glutathione peroxidase was detected, while the level of superoxide dismutase and catalase remained at the level of normative indicators. Oxidative stress accompanies and is one of the pathogenetic links in the formation or maintenance of the state of hypoandrogenism in boys. This requires the use of antioxidants, the complex of which must be selected individually.

Relationship between free-radical lipid oxidation and efficiency of coronary angioplasty in coronary patients

2007 ◽  
Vol 144 (5) ◽  
pp. 664-666 ◽  
Author(s):  
A. I. Kaminnyi ◽  
V. Z. Lankin ◽  
E. I. Perepelitsa ◽  
G. G. Konovalova ◽  
A. N. Samko ◽  
...  
Keyword(s):  
Free Radical ◽  
Lipid Oxidation ◽  
Coronary Angioplasty ◽  
Coronary Patients ◽  
Free Radical Lipid Oxidation ◽  
Free Radical Lipid

Experimental effect of some hormones on the intensity of the free-radical lipid oxidation reaction

1978 ◽  
Vol 86 (5) ◽  
pp. 1436-1438 ◽  
Author(s):  
V. Yu. Kulikov ◽  
V. P. Kaznacheev ◽  
L. V. Molchanova ◽  
V. V. Ermolaeva ◽  
Z. T. Bikbulatov
Keyword(s):  
Free Radical ◽  
Lipid Oxidation ◽  
Oxidation Reaction ◽  
Experimental Effect ◽  
Free Radical Lipid Oxidation ◽  
Free Radical Lipid

scholarly journals The aspects of free radical oxidation in the lungs of rats with pleurisy under long-term lighting

2017 ◽  
Author(s):  
O. M. Larycheva ◽  
L. D. Chebotar ◽  
T. Ya. Yaroshenko
Keyword(s):  
Free Radical ◽  
Electron Transport ◽  
Pineal Gland ◽  
Light Exposure ◽  
Free Radical Oxidation ◽  
Control Group ◽  
Ros Generation ◽  
Radical Oxidation ◽  
Carrageenan Pleurisy

Introduction.Pathological changes in human body due to light exposure at night are triggered by circadian disruption, inhibition of melatonin secretion by the pineal gland at night that leads to its reduction in blood. Clinical and experimental data indicate high importance of free radical oxidation inthe pathogenesis of pulmonary diseases. The aim of the study – to explore the influence of a melatonin deficiencyin addition to pleurisy on free radical oxidation in the tissues of the lungs of rats exposed to light for 30 days.Research Methods. Experiments were carried out on male albino Wistar rats. The animals were randomized into four groups with 7 animals in each: an intact group, 30 day pineal gland hypofunction, carrageenan pleurisy, 30 day pineal gland hypofunction with carrageenan pleurisy. Pineal gland hypofunction was modeled by 1500 lx fluorescent lamps around the clock. The experimental pleurisy was induced in anesthetized animals by intrapleural injection of 0.1 ml of carrageenan. Superoxide (•О2-) products were determined by the reaction with nitro blue tetrazolium under the influence of NADH, NADP and pirogenal. The concentration of diene conjugates was determined by I.D. Stalna technique, TBA-active products – by I.D. Stalna, T.H. Harishvili method, trienes, ketodienes, - by a modified method based on the molar extinction coefficient.Results and Discussion.Assessingthe intensity of the reactive oxygen species (ROS) generation, a significantincrease of the •О2-level in all sources of its generation in the tissues of the lungs has been observed both in the control group with pleurisy and in the rats with 30-day pineal gland hypofunctionandpleurisy, compared to the intact animals.The chronic pineal gland hypofunction in the animals with experimental pleurisy lead to •О2- generationby the microsomal electron transport chain (ETC) by 54.6 % (р<0.05) when compared with carrageenan group of rats. No significant changes in concentration of the lipid peroxidation products has been observed in the animals with pleurisy during long-term light exposure.Conclusions. Chronic hypofunction of the pineal gland with the carrageenan-induced pleurisy causes activation of the free radical processes in the rats’ lung tissues and occur as hyperproduction of the superoxide anion radical by the microsomal chain of oxidation. This fact denotes probable abnormalities in the function of the microsomal electron transport chains especially under the condition change of properties of dehydrogenases. 

scholarly journals Free-Radical Oxidation (Peroxidation) Products in Plasma in Normal and Abnormal Pregnancy

1981 ◽  
Vol 18 (3) ◽  
pp. 158-162 ◽  
Author(s):  
D Wickens ◽  
M H Wilkins ◽  
J Lunec ◽  
G Ball ◽  
T L Dormandy
Keyword(s):  
Blood Pressure ◽  
Free Radical ◽  
Radical Reaction ◽  
Free Radical Oxidation ◽  
Oxidation Products ◽  
Control Group ◽  
Free Radical Reaction ◽  
Reaction Products ◽  
Third Trimester ◽  
Radical Oxidation

Using recently developed methods for measuring free-radical oxidation products in biological material, plasma extracts were studied in 24 women in the first two trimesters of pregnancy, in 124 women in the third trimester of pregnancy, in 20 women with pre-eclamptic toxaemia (PET), and in a control group. There was a significant progressive rise of two groups of free-radical oxidation products throughout pregnancy and a significantly greater rise in PET. In women whose diastolic blood pressure rose to above 70 mmHg there was a highly significant relation between two groups of free-radical reaction products and blood pressure.

scholarly journals Some indicators of free radical oxidation and antioxidant protection in the erythrocytes of former athletes

2021 ◽  
Vol 11 (3) ◽  
pp. 12-17
Author(s):  
A. V. Elikov
Keyword(s):  
Superoxide Dismutase ◽  
Free Radical ◽  
Free Radical Oxidation ◽  
The State ◽  
Control Group ◽  
Enzymatic Antioxidants ◽  
Antioxidant Protection ◽  
Radical Oxidation ◽  
Former Athletes ◽  
Oxidative Balance

Objective: to study the main indicators of free radical oxidation and antioxidant protection in the erythrocytes of former athletes, depending on the period of termination of sports.Materials and methods: 24 former male athletes aged 19–29 years were examined, who were divided into 2 groups of 12 people each (1st group — former athletes who stopped training for up to 2 years; 2nd — over 2 years). The control group consisted of 15 practically healthy untrained student volunteers of the same age. In erythrocytes, spectrophotometrically (spectrophotometer Shimadzu 1240, Japan), the activity of antioxidant enzymes was determined: superoxide dismutase (SOD) (K.F. 1.15.1.1) — by inhibiting the reduction of nitro blue tetrazolium by superoxide anion radical at λ = 540 nm, after preliminary processing of erythrocytes by the method of Dubinina E.E. and others [8]; catalase (K.F. 1.11.1.6) — according to the rate of utilization of hydrogen peroxide at λ = 260 nm; glutathione peroxidase (HP) (KF 1.11.1.9) — by the change in the content of reduced glutathione in samples before and after incubation of the substrate with dithiobis-nitrobenzoic acid at λ = 412 nm; glutathione reductase (GR) (K.F. 1.6.4.2) — according to the catalytic NADPH ∙ H+-dependent transformation of the oxidized form of glutathione into the reduced form, the intensity of which was estimated by the rate of decrease in the extinction of samples at λ = 340 nm, at which the NADPH H+ solution has a maximum light absorption (Warburg test).Results: the direction of the shifts in the state of the oxidative balance was established depending on the period of detraining. A significantly lower value of the total antioxidant activity was revealed in the former athletes of the 1st group. This phenomenon is probably associated with a decrease in the efficiency of the enzymatic link of the antioxidant defense in the absence of regular physical exertion, and, as a consequence, an increased consumption of non-enzymatic antioxidants. It was found that the early post-sports period is characterized by significantly lower, in comparison with the control group, the values of the activity of the first-order enzymes (superoxide dismutase) against the background of the increased activity of the second-order enzymes (catalase).Conclusions: the obtained data can be recommended for monitoring the state of athletes who stopped playing sports and taken into account when prescribing rehabilitation measures for the corresponding contingent.

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