scholarly journals Assessment of the state of the oxidant-antioxidant system and lipid peroxidation in patients with chronic pancreatitis combined with hypothyroidism

2021 ◽  
Vol 25 (3 (99)) ◽  
pp. 97-101
Author(s):  
V. Ratsa ◽  
O. Fedіv
Keyword(s):  
Lipid Peroxidation ◽  
Chronic Pancreatitis ◽  
Blood Plasma ◽  
Antioxidant System ◽  
Underlying Disease ◽  
The State ◽  
Group 4 ◽  
Group 3 ◽  
Group 2 ◽  
In Blood Plasma

Changes in oxidative-antioxidant homeostasis is one of the pathogenetic links in the onset and progression of many nosologies, including chronic pancreatitis (CP) and hypothyroidism (HТ), however, data on the development of oxidative stress (OS) with a combination of CP and HP are insufficient, therefore, determining the role of these systems with a comorbid course of these pathologies is an urgent issue of our time.The aim of the work is to study the state of the oxidative and antioxidant system in patients with CP and CP combined with HT.Material and methods. 96 people were examined, including 26 patients with chronic pancreatitis (group 1), 24 patients with hypothyroidism (group 2), 26 patients with chronic pancreatitis on the background of hypothyroidism (group 3), 20 almost healthy individuals (group 4). Evaluation of the oxidative-antioxidant system and lipid peroxidation was assessed by determining the content of malonic aldehyde in blood plasma (MA pl.) And erythrocytes (MA er.), The level of reduced glutathione, glutathione peroxidase (GP) and glutathione-S-trans-ion (GT). Enzyme activity was calculated per 1 g of hemoglobin (HB).Research results. The analysis of the obtained results revealed clear patterns of changes in the state of the oxidative-antioxidant system and lipid peroxidation in patients with chronic pancreatitis on the background of hypothyroidism. Namely, violation of lipid peroxidation in patients with comorbid pathology, accompanied by an increase in the content of MA er. by 44.87% and the content of MA in blood plasma by 46.42%; oxidative-antioxidant system: decrease in HF in the blood by 51,61%, combined of a compensatory increase in BP - by 48.03% and HT - by 34.76%.Conclusion. Under the conditions of comorbidity of CP and HT, there is a violation of the oxidative-antioxidant system and the state of lipid peroxidation, which is characterized by a significant increase in MA in erythrocytes and MA in plasma against a decrease in glutathione and which complicates the course of the underlying disease, its diagnosis and treatment.

Clove (Syzygium aromaticum) Effect on Carbon Tetrachloride-Induced Rat: Comparison of Malondialdehyde Level of Liver and Blood Plasma

2018 ◽  
Vol 24 (8) ◽  
pp. 6053-6057
Author(s):  
Muhammad K Azwar ◽  
Ani R Prijanti
Keyword(s):  
Carbon Tetrachloride ◽  
Blood Plasma ◽  
Antioxidant Properties ◽  
Oxidative Stress Marker ◽  
Control Group ◽  
Syzygium Aromaticum ◽  
Group 4 ◽  
Group 3 ◽  
Group 2 ◽  
Group 1

Studies suggested antioxidant properties of the content of Syzygium aromaticum (clove). The study was conducted to obtain better understanding about the effect of clove on concentration of oxidative stress marker malondialdehyde (MDA) in liver and blood plasma of rat initially induced by carbon tetrachloride (CCl4); and whether blood plasma MDA level might represent liver condition. Experimental research was done using 20 Wistar rats classified into 5 treatment groups: (1) CCl4 - and clove-positive treatment after 3 days of clove treatment, (2) one day after, (3) alpha-tocopherol as positive control, (4) CCl4 only as negative control, and (5) normal control. Wills method was used for MDA concentration measurement. Liver MDA concentration were 0.0262 ± 0.0010 for group 1, 0.0214 ± 0.0047 group 2, 0 for group 3, 0.0077 ± 0.0094 group 4, and 0.0039 ± 0.0009 control group in nmol/mg protein (p = 0.001), whereas in the blood plasma it was 29.6032 ± 6.8021 for group 1, 26.1103 ± 3.6920 for group 2, 1.1612 ± 0.3555 for group 3, 1.4585 ± 1.4747 for group 4, and 2.4217 ± 1.2382 control group in nmol/mL (p = 0.001). Contrary to study in the past, no antioxidant properties were observed in treatment with dose 200 mg clove/kg body weight of rat. Such treatment increased MDA concentration and enhanced CCl4-induced damage in a time-dependent fashion. Strong correlation between MDA concentration in the liver and blood plasma (R = 0.97; p = 0.003) suggested blood plasma utilisation to represent hepatic MDA concentration or damage.

Ffects Of Mntnhex-2-Pyp On Markers Of Inflammation And Lipid Peroxidation In Asthma Mice Model

2011 ◽  
Vol 2 ◽  
Author(s):  
Veneta Lyubenova Shopova ◽  
Lyudmil Georgiev Terziev ◽  
Violeta Yordanova Dancheva ◽  
Galya Tzvetanova Stavreva ◽  
Milena Atanasova Atanasova ◽  
...  
Keyword(s):  
Lipid Peroxidation ◽  
Cell Number ◽  
Total Protein Content ◽  
Mice Model ◽  
Group 4 ◽  
Asthma Model ◽  
Markers Of Inflammation ◽  
Mda Content ◽  
Group 3 ◽  
Group 2

Background and objective: Iinvestigation of the effects of MnTnHex-2-PyP on some markers of inflammation and lipid peroxidation in an asthma mice model.Methods: The experiment was carried out on 24 female mice C57Bl/6, divided into four groups: group 1, controls; group 2, injected with ovalbumin (OVA); group 3, treated with MnTnHex-2-PyP and group 4, treated with OVA and MnTnHex-2-PyP. The animals from groups 1 and 3 were injected i.p. on days 0 and 14 with a 100 μl phosphate-buffered saline (PBS), and those from groups 2 and 4 were injected with a 100 μl ovalbumin solution, containing 20 μg OVA. On days 24, 25 and 26 the mice from groups 1 and 2 were inhaled with PBS for 30 min, and those from groups 2 and 4 were given a 1% ovalbumin solution. One hour before inhalation, and 12 hours later the animals from groups 1 and 2 were injected i.p. with 100 μl PBS, and those from groups 3 and 4 received a 100 μl MnTnHex-2-Pyp solution in PBS сontaining 0.05mg/kg.Results: Ovalbumin alone (group 2) increased the total cell number, total protein content, the levels of IL-4, IL-5 and 8-isoprostane in bronchoalveolar lavage. Elevations were observed in IgE level in serum, and the malone dialdehyde (MDA) content in the lung homogenate. These markers were decreased significantly in group 4 as compared to the OVA group.Conclusions: MnTnHex-2-Pyp reduces the inflammation and lipid peroxidation in Ovalbumin-induced mice asthma model.

scholarly journals Colposcopic and cytological parallels in pregnant women with a history of infertility of various genesis

2021 ◽  
pp. 5-11
Author(s):  
Е.V. Kolomiiets ◽  
Keyword(s):  
Pregnant Women ◽  
Antenatal Clinic ◽  
The State ◽  
Group 4 ◽  
Cytological Smear ◽  
History Of ◽  
Group 3 ◽  
Cytological Changes ◽  
Group 2 ◽  
Group 1

The state of the cervix was studied in pregnant women with a history of infertility of various genesis by colposcopic and cytological research methods. The data obtained indicate an increased level of precancerous pathology of the cervix in pregnant women with a history of tubo-peritoneal and concomitant infertility, compared with pregnant women who had endocrine infertility. Purpose — to determine the relationship between the nature and severity of colpocoscopic and cytological changes in the cervix in pregnant women who had a history of infertility. Materials and methods. 101 women were examined: 14 pregnant women with a history of endocrine infertility, group 1; 27 pregnant women with a history of tuboperitoneal infertility — group 2; 40 pregnant women, had combined infertility — group 3, 20 healthy pregnant women with no history of infertility — group 4. Methods for assessing the state of the cervix in pregnant women — video colposcopic and cytological (on glass). Results. Normal cytological changes (NILM) were found: in group 1–8 (57.2%), in group 2 — in 15 (55.6%), in group 3 — in 23 (57.5%), in group 4, 14 (70.0%) pregnant women. Benign cytological and ASCUS signs were: in group 1 — in 5 (35.7%), in group 2 — in 6 (22.2%), in group 3 — in 10 (25.0%), in group 4 — in 5 (25%) patients. Precancer (LSIL+HSIL): in group 1 — in 1 (7.1%), in group 2 — in 6 (22.2%), in group III — in 9 (22.5%) women, and in group 4, no precancers were found cytologically. Normal colposcopic signs (stratified squamous epithelium) were found: in group 3 — in 11 (27.5%), in group 2 — in 8 (29.6%), and in group 1 — in 7 (50.0%) pregnant women. And benign colposcopic changes (ectopia, open glands, Nabotovi cysts, deciduosis): in group 3 — in 19 (47.5%), in group 2 — in 16 (59.3%), in group 1 — in 6 (42.9%), in group 4 — in 5 (35.7%) patients. Our data indicate that precancers during colposcopy occurred: in group 3 — in 9 (22.5%), in group 2 — in 3 (11.1%), in group 1 — in 1 (7.1%), in group 4 — in 1 (5.0%) women. No colposcopic signs of invasive growth were found in any of the groups. Conclusions. The study revealed an increased level of precancerous pathology of the cervix in pregnant women with a history of tubo-peritoneal and concomitant infertility. A fairly high percentage of precancerous conditions of the cervix in group 2 — in 6 (22.2%) and in group 3 — in 9 (22.5%) women indicates that in the presence of Human papillomavirus (HPV) and other genital infections and with increasing age, the probability self-elimination of the papilloma virus is reduced. After long-term infertility treatment, all pregnant women must undergo a colposcopic examination at the first visit to the antenatal clinic, in addition to taking a cytological smear. If LSIL and HSIL are found in this category of women, colposcopic and cytological control once every 3 months during pregnancy with mandatory HPV PCR HCR. The research was carried out in accordance with the principles of the Helsinki declaration. The study protocol was approved by the Local ethics committee of all participating institution. The informed consent of the patient was obtained for conducting the studies. No conflict of interest was declared by the author. Key words: pathology of the cervix, pregnancy after infertility, video colposcopy, cytology.

Peculiarities of Fibrinolytic and Proteolytic Activity of Blood Plasma in Patients with Chronic Pancreatitis Combined with Hypothyroidism

2021 ◽  
Vol 6 (5) ◽  
pp. 233-238
Author(s):  
V. V. Ratsa ◽  
◽  
O. I. Fediv
Keyword(s):  
Molecular Weight ◽  
Chronic Pancreatitis ◽  
Blood Plasma ◽  
Fibrinolytic Activity ◽  
The State ◽  
Low Molecular Weight ◽  
Healthy Individuals ◽  
Group 2 ◽  
Low Molecular Weight Proteins ◽  
Group 1

The purpose of the study is to analyze the state of proteolytic and fibrinolytic activities of blood plasma in patients with chronic pancreatitis combined with hypothyroidism. Materials and methods. 105 people participated in our study, of which group 1 consisted of patients with chronic pancreatitis (n = 27), group 2 – patients with hypothyroidism (n = 30), group 3 – patients with chronic pancreatitis combined with hypothyroidism (n = 28), group 4 – almost healthy individuals (n = 20). The state of fibrinolytic activity of blood plasma was studied by lysis of azofibrin, followed by determination of total fibrinolytic activity, non-enzymatic fibrinolytic activity and enzymatic fibrinolytic activity. Assessment of the state of the proteolysis system was studied by lysis of azoalbumin (breakdown of low molecular weight proteins), azocasein (breakdown of high molecular weight proteins) and azocol (breakdown of collagen). Results. When analyzing the results of the study, we observe a probable increase in lysis of azoalbumin by 1.89, 1.96 and 2.16 times (p <0.05) in groups 1, 2, 3 compared with the group of almost healthy individuals. In patients with chronic pancreatitis and hypothyroidism, the most pronounced degradation of low molecular weight proteins was observed, which was 13.86% and 9.75% (p <0.05) higher than in the first and second groups. Indicators of azocasein lysis by 52.48%, 56.35% and 95.03% (p <0.05) were found in groups 1, 2, 3 compared with almost healthy individuals. Azocasein lysis was higher by 27.89% and 24.73% (p <0.05) in patients with chronic pancreatitis combined with hypothyroidism than in patients in groups 1 and 2. Azocol lysis was significantly higher by 10.85%, 12.05%, 16.87% (p <0.05) in groups 1, 2, 3 compared with almost healthy individuals. In addition, in patients with comorbid pathology there was an increase in lysis of azocol by 5.3% and 4.3% (p <0.05) compared with the first and second groups. The total fibrinolytic activity of blood plasma was 8.3%, 6.7%, 16.26% (p <0.05) lower in patients of groups 1, 2, 3 compared with almost healthy individuals. Non-enzymatic fibrinolytic activity of blood plasma was 44.89%, 49.64%, 66.27% higher in groups 1, 2 and 3 than in almost healthy individuals. Enzymatic fibrinolytic activity of blood plasma was 44.28%, 42.25%, 90.57% (p <0.05) lower in group 1, 2, 3 compared with the group of almost healthy individuals (p <0,05). There was a decrease in the level of enzymatic fibrinolytic activity of blood plasma by 32.07% and 33.96% (p <0.05) in patients with chronic pancreatitis associated with hypothyroidism compared with participants in groups 1 and 2 without comorbid pathology. Conclusion. The most pronounced changes in proteolytic (increased lysis of azoalbumin, azocasein, azocol) and fibrinolytic (decrease in total, non-enzymatic and enzymatic) activities of blood plasma in patients with chronic pancreatitis associated with hypothyroidism were determined

scholarly journals Effects of Selenium and Melatonin on Ocular Ischemic Syndrome

2019 ◽  
Vol 2019 ◽  
pp. 1-6
Author(s):  
Hande Hüsniye Telek
Keyword(s):  
Lipid Peroxidation ◽  
Anterior Segment ◽  
Study Groups ◽  
Control Group ◽  
Ocular Ischemic Syndrome ◽  
Group 4 ◽  
Ischemia Group ◽  
Group 3 ◽  
Group 2 ◽  
Ischemic Syndrome

Purpose. To determine the effects of selenium, melatonin, and selenium + melatonin administered for one month on anterior chamber (AC) malondialdehyde (MDA) and AC glutathione (GSH) levels in patients with ocular ischemic syndrome. Materials and Methods. Thirty-five patients were included in the study. Study groups were formed as follows: (1) control group, (2) ischemia group, (3) selenium + ischemia group, (4) melatonin + ischemia group, and (5) selenium + melatonin + ischemia group. AC samples were obtained. MDA and GSH levels in AC samples were evaluated. Results. MDA levels were significantly increased in ischemia groups. Selenium and melatonin supplementation resulted in reduction of MDA levels and significant increase in GSH values. Discussion. Increased lipid peroxidation associated with ischemia of the anterior segment has been prevented by selenium and melatonin supplementation. This trial is registered with ClinicalTrials.gov NCT04005222.

scholarly journals Examining COVID19 Positivity-Ratio Trends in US States from April-July: Are Rising Caseloads Attributable to and Do State Political-Affiliations Play a Role?

2020 ◽  
Author(s):  
Bisakha Pia Sen ◽  
Sangeetha Padalabalanarayanan
Keyword(s):  
The State ◽  
Political Affiliation ◽  
Political Leaders ◽  
Subsequent Increase ◽  
Group 4 ◽  
Positivity Ratio ◽  
Group 3 ◽  
Group 2 ◽  
Chi Square Analysis ◽  
Group 1

Importance: Rising Covid19 cases in the US are attributed by some political leaders to more testing. Positivity-ratios (cases to tests ratio) in conjunction with cases and tests provide a better overview. However, comprehensive overviews of positivity-ratio patterns are scarce. Objective: To examine trends in positivity-ratios, tests and cases by state from mid-April-mid-July. Further, to examine whether positivity-ratio patters are associated with state political-affiliations. Methods: State-level publicly available data on Covid19 is used. Seven-day moving averages (MA7) of positivity-ratio are computed for April 21-July 15. States are assigned to four groups based on patterns of change in positivity-ratio: higher at end of study period than beginning (Group 1), initial decline but subsequent increase starting Memorial Day weekend (Group 2), initial decrease but an upturn in last 14 days (Group 3), and consistent downward trend (Group 4). Political-affiliation is categorized as <Republican-leaning> if President Trump won the state and the governor is Republican. Additionally, a proxy measure is used to indicate intensity of Black Lives Matter (BLM) protests in the state. Associations are tested using chi-square analysis. Results: Fourteen states are in Group 1, fifteen states in Group 2, fifteen states in Group 3, and six states and DC in Group 4. 78.57% of Group 1, 33.33% of Group 2, 40% of group 3, and none in Group 4 were Republican-leaning. The difference in distribution was statistically significant (p<0.01). Distribution of high-intensity BLM protests across the four groups was not statistically different (p>0.10). Conclusion: Increased Covid19 cases cannot be attributed to more testing. Indeed, the high positivity-ratios in most states indicate current testing is failing to capture actual infection rates. The association between state political-affiliation and positivity-ratios suggests Republican voters may be somewhat more skeptical of the gravity of the disease and emphasizes the importance of messaging by political leaders.

Cytarabine and Ferric Carboxymaltose (Fe+3) Increase Oxidative Damage and Alter Serotonergic Metabolism in Brain

2019 ◽  
Vol 18 (2) ◽  
pp. 149-155
Author(s):  
David Calderón Guzmán ◽  
Norma Osnaya Brizuela ◽  
Maribel Ortíz Herrera ◽  
Hugo Juárez Olguín ◽  
Armando Valenzuela Peraza ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Lipid Peroxidation ◽  
Wistar Rats ◽  
Ferric Carboxymaltose ◽  
Anticancer Compounds ◽  
Group 4 ◽  
Group 3 ◽  
Group 2 ◽  
The Brain ◽  
Group 1

Background & Objective: The purpose of this study was to measure the effect on brain biomarkers after treatment with anticancer compounds - cytarabine (CT) and ferric carboxymaltose (FC) (Fe+3) in Wistar rats. Methods: The Wistar rats were treated as follows: group 1 (control), NaCl 0.9%; group 2, CT (25 mg/k), group 3, FC(Fe+3) (50 mg/k) and group 4, CT + FC(Fe+3). The animals were sacrificed and their brains were obtained and used to measure lipoperoxidation (TBARS), H2O2, Na+, K+ ATPase, glutathione (GSH), serotonin metabolite (5-HIAA) and dopamine. The results indicated an enhancement of lipid peroxidation in the cortex and striatum of groups treated with FC(Fe+3) and CT, while GSH decreased in the cortex of group treated with CT + FC(Fe+3). Dopamine decreased in the cortex of the rats that received CT, while in the striatum, 5HIAA increased in all groups. </P><P> Results & Conclusion: These results suggest that the treatment with CT and FC(Fe+3) boosted oxidative stress and led to an alteration in momoamine concentrations in the brain.

scholarly journals Assessment of the state of lipid peroxidation and antioxidant system in children with nephrotic form of glomerulonephritis

2017 ◽  
Vol 98 (3) ◽  
pp. 370-375
Author(s):  
R O Beglyarov
Keyword(s):  
Lipid Peroxidation ◽  
Nephrotic Syndrome ◽  
Blood Plasma ◽  
Antioxidant System ◽  
Malonic Dialdehyde ◽  
Control Group ◽  
Chronic Glomerulonephritis ◽  
Diene Conjugates ◽  
Control Value ◽  
In Blood Plasma

Aim. Study of the activity of lipid peroxidation and state of antioxidant system in children with a nephrotic form of chronic glomerulonephritis. Methods. 104 children with a nephrotic form of glomerulonephritis were examined. The average age of children was 10.18±4.03 years. 46.2% of children were in remission, 32.7% of children had 1st degree of activity, 14.4% had 2nd degree, and 6.7% had 3d degree of nephrotic syndrome. Control group included 30 children without chronic glomerulonephritis. The levels of diene conjugates, malonic dialdehyde, catalase, reduced glutathione, glutathione peroxidase, and glutathione reductase in blood plasma and erythrocytes were determined. Results. In children with chronic glomerulonephritis the concentration of diene conjugates and malonic dialdehyde was elevated in blood plasma and erythrocytes. In erythrocytes their concentration was statistically significantly higher at all degrees of activity of nephrotic syndrome than in control group. The level of catalase in patients’ blood plasma in comparison with the control value was reduced by 16.6%, in erythrocyte mass - by 25.9% (p

scholarly journals Free radical damage: role in varicella zoster virus infection

2021 ◽  
pp. 41-47
Author(s):  
Olga Volobuieva ◽  
Tetiana Liadova ◽  
Mykola Popov ◽  
Olga Sorokina ◽  
Olena Ognivenko ◽  
...  
Keyword(s):  
Lipid Peroxidation ◽  
Free Radical ◽  
Infectious Diseases ◽  
Blood Plasma ◽  
Red Blood Cells ◽  
Antioxidant System ◽  
Blood Cells ◽  
The State ◽  
Free Radical Damage ◽  
Acute Period

Study of the role of lipid peroxidation and antioxidant system in patients with infectious diseases is of great interest to researchers. Numerous studies have led to a common understanding of their contribution to the pathogenesis of infectious diseases, as well as to the complications development. However, the state of lipid peroxidation and antioxidant protection in patients with chickenpox (varicella) has not been sufficiently studied which is important for the development of new targeted treatments. The aim of the research - to assess the state of lipid peroxidation (LPO) and the antioxidant system (AOS) in the dynamics in patients with chickenpox, depending on the severity of the disease. Materials and methods. We selected for participating in the study 240 chickenpox patients (142 women and 98 men) aged 18-40 years. Chickenpox was diagnosed using clinical, serological, and molecular genetic methods. The state assessment of LPO in chickenpox patients was based on the determination of serum diene conjugates (DC), malondialdehyde (MDA) levels and the total oxidative activity (TOA) of blood plasma. Results. Study showed that the process of lipid peroxidation increases and the activity of the antioxidant system decreases in patients with chickenpox during the acute period of the disease. The extent of these processes becomes greater as the severity of chickenpox increases. A decrease in the activity of antioxidant enzymes and a disruption in the functioning of the glutathione system in patients with moderate to severe hypertension leads to disruption of protective mechanisms and, as a result, to an increase in the free radical chain reactions, the uncontrolled growth of which causes irreversible damage to the membranes of various cells, which underlies visceropathy in chickenpox patients. Conclusions. Antioxidant system is activated in the acute period in patients with mild chickenpox. It is evidenced by an increase in the overall antioxidant activity of blood plasma (p=0.045) and red blood cells (p=0.00087), in the activity of catalase (p=0.001), superoxide dismutase (p=0.0093), glutathione peroxidase (p=0.036), glutathione reductase of plasma and red blood cells, and an increase in the concentration of oxidized and reduced glutathione in blood. Lipid peroxidation is hyperactivated in the acute period in patients with a moderate and severe course of the disease and an excess amount of primary and secondary hydroperoxides of fatty acids accumulates in the blood. This is accompanied by indicates a developing imbalance between the oxidative and antioxidant systems in group of patients with moderate and severe chickenpox. Our findings confirm the usefulness of antioxidants in the treatment of chickenpox.

Morphological Changes in the Rat Granulosa Cell Surface During Differentiation Induced by Estradiol and Gonadotropins

1977 ◽  
Vol 35 ◽  
pp. 484-485
Author(s):  
P. Bagavandoss ◽  
JoAnne S. Richards ◽  
A. Rees Midgley
Keyword(s):  
Cell Surface ◽  
Granulosa Cell ◽  
Morphological Changes ◽  
Follicular Development ◽  
Female Rats ◽  
Functional Changes ◽  
Group 4 ◽  
Group 3 ◽  
Group 5 ◽  
Group 2

During follicular development in the mammalian ovary, several functional changes occur in the granulosa cells in response to steroid hormones and gonadotropins (1,2). In particular, marked changes in the content of membrane-associated receptors for the gonadotropins have been observed (1).We report here scanning electron microscope observations of morphological changes that occur on the granulosa cell surface in response to the administration of estradiol, human follicle stimulating hormone (hFSH), and human chorionic gonadotropin (hCG).Immature female rats that were hypophysectcmized on day 24 of age were treated in the following manner. Group 1: control groups were injected once a day with 0.1 ml phosphate buffered saline (PBS) for 3 days; group 2: estradiol (1.5 mg/0.2 ml propylene glycol) once a day for 3 days; group 3: estradiol for 3 days followed by 2 days of hFSH (1 μg/0.1 ml) twice daily, group 4: same as in group 3; group 5: same as in group 3 with a final injection of hCG (5 IU/0.1 ml) on the fifth day.

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