96 research outputs found

    Aseptic inflammation as the essential link in the pathogenesis of endometrioid disease

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    The paper was aimed at determination of the quantitative activity of iNOS and Arg1, as well as M1 and M2 phenotype macrophages in women with endometrioid disease to establish their role in the pathogenesis of endometriosis. A prospective study was performed in gynecological units of the medical facilities of Poltava city. 140 women of reproductive age who made up the main group (110 women with endometrioid disease) and the control group (30 women without endometrioid disease) voluntarily participated in the study. All women underwent planned surgical treatment for existing gynecological pathology. Before surgical treatment, women were examined in accordance with the current Orders of the Ministry of Health of Ukraine. The spectrophotometric method was used to determine the enzymatic markers of macrophages (in the endometrium and peritoneal fluid) polarized into M1(iNOS) and M2 (Arg1) phenotypes. The type of macrophages was determined individually in each patient according to the ratios: in iNOS>Arg1, the M1 macrophage type prevailed; in Arg1>iNOS, the M2 macrophage type prevailed. When examining endometrial samplings in women from the main group, the iNOS indicator was by 1.4 times higher compared to women from the control group. The obtained results at the stage of entry into the abdominal cavity showed that mostly women from the main group suffered from the pelvic adhesion, especially stage 3 and stage 4. Among the obtained results, the increased quantitative activity in the peritoneal fluid of both iNOS and Arg1 in women of the main group was significant compared to the control group. When comparing the stages of endometrioid disease to the rates of quantitative activity of macrophage enzyme markers (in peritoneal fluid), it was found that the increase in the stage of the disease (from stage 3 to stage 4) caused an increase in the quantitative activity of Arg1 by 1.9 times and a decrease in the quantitative activity of iNOS by 2.9 times. Therefore, the planning of surgical intervention for women with endometrioid disease should consider a significant percentage of the pelvic adhesive disease, especially at the severe stages. Initiation of the chronic aseptic inflammatory process in endometrioid disease is caused by an increased quantitative activity of iNOS in the endometrium. In the pathogenesis of endometrioid disease, the presence of M2 phenotype macrophages in the peritoneal fluid is important, while the switching of macrophage phenotypes from a pro-inflammatory subpopulation to an anti-inflammatory one is crucia

    Aseptic inflammation as the essential link in the pathogenesis of endometrioid disease

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    The paper was aimed at deter­mination of the quantitative activity of iNOS and Arg1, as well as M1 and M2 phenotype macrophages in women with endometrioid disease to establish their role in the pathogenesis of endometriosis. A prospective study was performed in gynecological units of the medical facilities of Poltava city. 140 women of reproductive age who made up the main group (110 women with endometrioid disease) and the control group (30 women without endometrioid disease) voluntarily participated in the study. All women underwent planned surgical treatment for existing gynecological pathology. Before surgical treatment, women were examined in accordance with the current Orders of the Ministry of Health of Ukraine. The spectrophotometric method was used to determine the enzymatic markers of macrophages (in the endometrium and peritoneal fluid) polarized into M1(iNOS) and M2 (Arg1) phenotypes. The type of macrophages was determined individually in each patient according to the ratios: in iNOS>Arg1, the M1 macrophage type prevailed; in Arg1>iNOS, the M2 macrophage type prevailed. When examining endometrial samplings in women from the main group, the iNOS indicator was by 1.4 times higher compared to women from the control group. The obtained results at the stage of entry into the abdominal cavity showed that mostly women from the main group suffered from the pelvic adhesion, especially stage 3 and stage 4. Among the obtained results, the increased quantitative activity in the peritoneal fluid of both iNOS and Arg1 in women of the main group was significant compared to the control group. When comparing the stages of endometrioid disease to the rates of quantitative activity of macrophage enzyme markers (in peritoneal fluid), it was found that the increase in the stage of the disease (from stage 3 to stage 4) caused an increase in the quantitative activity of Arg1 by 1.9 times and a decrease in the quantitative activity of iNOS by 2.9 times. Therefore, the planning of surgical intervention for women with endometrioid disease should consider a significant percentage of the pelvic adhesive disease, especially at the severe stages. Initiation of the chronic aseptic inflammatory process in endometrioid disease is caused by an increased quantitative activity of iNOS in the endometrium. In the pathogenesis of endometrioid disease, the presence of M2 phenotype macrophages in the peritoneal fluid is important, while the switching of macrophage phenotypes from a pro-inflammatory subpopulation to an anti-inflammatory one is crucial

    Fragmentation and Multifragmentation of 10.6A GeV Gold Nuclei

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    We present the results of a study performed on the interactions of 10.6A GeV gold nuclei in nuclear emulsions. In a minimum bias sample of 1311 interac- tions, 5260 helium nuclei and 2622 heavy fragments were observed as Au projec- tile fragments. The experimental data are analyzed with particular emphasis of target separation interactions in emulsions and study of criticalexponents. Multiplicity distributions of the fast-moving projectile fragments are inves- tigated. Charged fragment moments, conditional moments as well as two and three -body asymmetries of the fast moving projectile particles are determined in terms of the total charge remaining bound in the multiply charged projectile fragments. Some differences in the average yields of helium nuclei and heavier fragments are observed, which may be attributed to a target effect. However, two and three-body asymmetries and conditional moments indicate that the breakup mechanism of the projectile seems to be independent of target mass. We looked for evidence of critical point observable in finite nuclei by study the resulting charged fragments distributions. We have obtained the values for the critical exponents gamma, beta and tau and compare our results with those at lower energy experiment (1.0A GeV data). The values suggest that a phase transition like behavior, is observed.Comment: latex, revtex, 28 pages, 12 figures, 3tables, submitted to Europysics Journal

    Uncoupling DNA damage from chromatin damage to detoxify doxorubicin

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    The anthracycline doxorubicin (Doxo) and its analogs daunorubicin (Daun), epirubicin (Epi), and idarubicin (Ida) have been cornerstones of anticancer therapy for nearly five decades. However, their clinical application is limited by severe side effects, especially dose-dependent irreversible cardiotoxicity. Other detrimental side effects of anthracyclines include therapy-related malignancies and infertility. It is unclear whether these side effects are coupled to the chemotherapeutic efficacy. Doxo, Daun, Epi, and Ida execute two cellular activities: DNA damage, causing double-strand breaks (DSBs) following poisoning of topoisomerase II (Topo II), and chromatin damage, mediated through histone eviction at selected sites in the genome. Here we report that anthracycline-induced cardiotoxicity requires the combination of both cellular activities. Topo II poisons with either one of the activities fail to induce cardiotoxicity in mice and human cardiac microtissues, as observed for aclarubicin (Acla) and etoposide (Etop). Further, we show that Doxo can be detoxified by chemically separating these two activities. Anthracycline variants that induce chromatin damage without causing DSBs maintain similar anticancer potency in cell lines, mice, and human acute myeloid leukemia patients, implying that chromatin damage constitutes a major cytotoxic mechanismof anthracyclines. With these anthracyclines abstained from cardiotoxicity and therapy-related tumors, we thus uncoupled the side effects from anticancer efficacy. These results suggest that anthracycline variants acting primarily via chromatin damage may allow prolonged treatment of cancer patients and will improve the quality of life of cancer survivors.Therapeutic cell differentiatio

    Observation of a first ντ\nu_\tau candidate in the OPERA experiment in the CNGS beam

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    The OPERA neutrino detector in the underground Gran Sasso Laboratory (LNGS) has been designed to perform the first detection of neutrino oscillations in direct appearance mode through the study of the νμντ\nu_\mu\rightarrow\nu_\tau channel. The hybrid apparatus consists of an emulsion/lead target complemented by electronic detectors and it is placed in the high energy long-baseline CERN to LNGS beam (CNGS) 730 km away from the neutrino source. Runs with CNGS neutrinos were successfully carried out in 2008 and 2009. After a brief description of the beam, the experimental setup and the procedures used for the analysis of the neutrino events, we describe the topology and kinematics of a first candidate ντ\nu_\tau charged-current event satisfying the kinematical selection criteria. The background calculations and their cross-check are explained in detail and the significance of the event is assessed.Comment: 19 pages, 3 figure

    СХОЖЕСТЬ КЛИНИЧЕСКОЙ СИМПТОМАТИКИ ТОКСИЧЕСКОГО ВОЗДЕЙСТВИЯ БЕНЗОДИАЗЕПИНОВЫХ И БЕНЗОДИАЗЕПИНОПОДОБНЫХ ПРЕПАРАТОВ

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    The main identical symptoms of poisoning by benzodiazepine receptor agonists have been established.В статье приведены установленные авторами основные одинаковые симптомы отравления агонистами бензодиазепиновых рецепторо

    New way of closure of upper jaw defects [Новый способ замещения дефектов верхней челюсти]

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    Article describes new original way of one-stage closure of upper jaw defects by using cutaneous-adiposal flap. The method is patented (patent of the Russian Federation for invention No. 2489096). We propose to use cutaneous-adiposal flap, mobilized in nasolabial furrow area, with axial pattern blood supply from angular artery and vein, by rotating to defect through buccal tonnel. This method allows to reliably eliminate upper jaw defect, improve functional and aesthetic results of treatment with minimal injuries caused by operation. Objective is to introduce new way of closure of upper jaw defects. © 2021 Psychological Science and Education All rights reserved
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