Publications by authors named "Parkhomenko O"

Objectives: To describe demographics, clinical features, and treatment outcomes of patients with highly drug-resistant tuberculosis (TB) in Ukraine, and to evaluate risk factors for an unsuccessful outcome.

Methods: Data from patients with multi-, pre-extensively, or extensively drug-resistant TB were collected prospectively from TB dispensaries in 15 out of 24 Ukrainian oblasts (regions) from 2020 to 2021. Treatment outcomes were evaluated using WHO definitions.

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Article Synopsis
  • The study investigates cancer resistance in centenarians, suggesting that they have better DNA repair mechanisms due to higher levels of the ATM gene.
  • Higher ATM mRNA expression in lymphoblastoid cell lines (LCLs) from centenarians was significantly observed compared to younger women, indicating a potential link to longevity and reduced cancer rates.
  • The research also notes lower levels of a specific microRNA (hsa-miR-181a-5p), which targets ATM, in centenarians, suggesting it may contribute to their enhanced DNA repair capabilities and protection against age-related diseases.
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The purpose of this work was to define dependence of maintenance of myeloperoxidase (MPO) in plasma of blood of patients by the acute infarct of myocardium from the state of oxygen metabolism of neutrophils, which was estimated on activity of myeloperoxidases, superoxid-anion and catalase in cells and on maintenance by peroxigens. 19 is inspected practically healthy volunteers and 56 patients with the the acute infarct of myocardium. The got results testify that maintenance of MPO in plasma of blood of patients with acute infarct of myocardium depends on the functional state of neutrophils, which, in its turn, is related to the clinical features of patients.

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We studied the content of myeloperoxidase in plasma of blood, which is a new additional marker of the metabolic activity of phagocytes and the activity of inflammation in patientes with the acute infarct of myocardium and possibility of its correction of Korvitin. We inspected 15 practically healthy persons in which the content of myeloperoxidase was 74,5±16,3 ng/ml, 13 patients with a stable stenocardia (the conent of myeloperoxidase was 218,4±30,9 ng/ml) and 60 patients with acute infarct of myocardium (the content of myeloperoxidase was 606,0±59,3 ng/ml at the beginning of therapy) in the dynamics of treatment. In patients accepting standard treatment (without application of Korvitin), the content of myeloperoxidase was unchanged during 7 days of treatment.

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Aiming to assess the relationships between renal function and ST-segment elevation myocardial infarction (MI) clinical course and remote outcomes in patients with preserved systolic left ventricular (LV) function (LV ejection fraction > 40%) estimated glomerular filtration rates (eGFR) were evaluated on 1st and 3rd -10th MI day (n = 491). On 3rd-10th day of MI in patients with acute heart failure (HF) symptoms on admission day (1st group, n = 153) eGFR < 70 ml/min x per body surface unit was independent marker of re-infarction (Hazzard Ratio (HR) with 95% confidence intervals (95% CI) = 4,08 [1,72 -11,73], P < 0,01) and cardiovascular death (CVD) (HR [95% CI] = 3,61 [1,09 - 11,99], P = <0,05) during three years of follow-up. In patient without acute HF (2nd group, n = 338) eGFR < 68 ml/min was predictive of CVD within three years post-MI (HR [95% CI] = 7,13 [2,06 - 24,74], P = 0,002).

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Between the pro- and antiinflammatory components of the immune system there is a dynamic balance, violation of which is an important mechanism of development of many pathological states, in particular, cardiac insufficiency. The purpose of the work was a study of secretion of cytokines by mononuclears in patients under myocardial infarction, uncomplicated (1 group) and complicated (2 group) acute cardiac insufficiency, and determination of balance between pro-(TNF-alpha, IL-6, IL-8) and antiinflammatory (1L-10) factors in development of acute cardiac insufficiency in patients with myocardial infarction. The results indicate that in patients of group 1 there is initially a high level of both proinflammatory and antiinflammatory cytokines.

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Allelic polymorphisms of matrix Gla protein (MGP) gene were determinated in 115 patients with acute coronary syndrome (ACS) and in 110 practically healthy people. It was shown that interrelation of major homozygotes, heterozygotes and minor homozygotes by T-138-->C MGP promoter polymorphism in patients with ACS were 59.8%, 32.

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The present study aimed to investigate the metabolic activity of neutrocytes and the action of corvitin on the level of superoxide anion and myeloperoxidases of cells in vitro with the calculation of index of consumption of myeloperoxidase in patients with ST-elevation acute coronary syndrome. Patient were divided into 2 groups according to the level of superoxide anion. Group 1 included the patients (68%) with the initially low level of superoxide anion, and adding of corvitin to the cells of such patients promoted normalization of this index.

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In the title compound, C(9)H(17)N(2) (+)·C(17)H(15)N(2)O(2)S(2) (-), the Csp(2)-N bonds in the tetra-hydro-pyrimidine ring of the cation are delocalized. The negative charge is localized on the S atom of the thione group. Cations and anions are linked by N-H⋯S inter-molecular hydrogen bonds.

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Frequency of promoter endothelial NO-synthase gene allelic polymorphism by using polymerase chain reaction and restriction fragment length polymorphism (RFLP-PCR) was determined in 221 patients with acute coronary syndrome (ACS) and in 83 almost healthy subjects. Data obtained indicate that different promoter allelic variant frequency differs significantly in patients with ACS and in control group. Correlation of normal homozygotes (T/T), heterozygotes (T/C) and pathologic homozygotes (C/C) was 48%, 36% and 16% respectively in patients, and in control it was 48%, 46%, 6% (P<0.

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Energy status of the novel alkalitolerant Yarrowia lipolytica yeast strain grown at alkaline conditions (pH 9.7) was examined. Cells grown under such severe conditions were found to preserve high respiratory activity.

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The parallel solution-phase synthesis of more than 3000 substituted thienopyrimidin-4-ones has been accomplished. Key reactions include assembly of the 2-thioxopyrimidin-4-one ring by condensation of isomeric aminothiophenecarboxylates or their appropriate reactive derivatives (isothiocyanates or dithiocarbamates) with the corresponding isothiocyanates or amines. The libraries from libraries were then obtained in good yields and purities using solution-phase alkylation and acylation methodologies.

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Information about fourteen allelic variants of promoter, exons and introns of a gene of endothelial NO-synhase (eNOS) dealing with their role in a susceptibility to cardio-vascular diseases has been reviewed. Data of the populational genetic studies, performed in different regions of the world, were analysed to show the interrelation between an availability of on allele in the genome and a risk of ischemic heart disease. The main attention was focussed on the clarification of a relation between some allelic variants of the gene and functional (biochemical) properties of the protein, encoded by this gene, as well as on two principal mechanisms of realization of the pathological allelic variants in eNOS gene: 1) forming the protein in an insufficient quantity or with an altered activity (an interrupted transcription, and stability of informational RNA, formation of a cathalitically deficient protein); 2) an increased protein degradation (due to an acidic hydrolysis or an enhanced proteasomal proteolysis).

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At 95 patients with coronary artery disease and high blood pressure studied influence of a diet with low lipid by a directedness including yields of processing soy, on dynamics(changes) of clinical symptoms, indexes lipid of the status and coronary risk factors. The application of a diet, 50% of fiber in which was replaced on soy protein isolate, promoted positive dynamics(changes) of clinical manifestations of disease on a hum noise of improving of indexes lipid of a spectrum and coronary risk factors. The research has shown, that the use in the treat-preventive purposes soy protein isolate is rather perspective.

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An indirect ELISA method has been used to study formation of autoantibodies (AA) to myocardial myofibrillar proteins in patients with different clinical IHD forms. Purified myosin (MS), actin (AC) and tropomyosin (TM) of the intact human myocardium acted as antigens. The highest level of AA to MS and AC was found in patients with AMI (acute myocardial infarct): it exceeded twice that of the norm and 1.

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Central chest rheography was used to study the central hemodynamics in 62 patients with hypertensive disease (grades I-II) before and after treatment. 23 patients (hyperkinetic hemodynamics) were treated with oxygen baths and endonasal lithium chloride electrophoresis; 20 with en--and hypokinetic types of hemodynamics received CO2 baths and endonasal lithium chloride electrophoresis. It is concluded that lithium chloride electrophoresis in association with balneotherapy increases the therapeutic effect in hypertensive disease, especially in patients with the hyperkinetic type of blood circulation.

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