39 research outputs found

    THE CONTENT AND THE STRUCTURE OF THE NUCLEAR AND CIRCUMNUCLEAR ZONES OF LEXICAL-SEMANTIC FIELD “INTERPERSONAL RELATIONS” ON THE MATERIAL OF F. DOSTOEVSKY’S NOVEL “THE IDIOT”

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    The article discusses the structure of lexical-semantic field “interpersonal relations” based on the novel “The Idiot”, by F. Dostoevsky. In the article we describe the set of lexical item representing the field, as well as the place of units of the field in the author's style. The subject of the research was chosen by the relevance of studying vocabulary as a layer of a literary language that discloses information about the material and spiritual culture of society. The relevance of this work can also be considered from the point of view of the need for the development of a comprehensive methodology for the linguistic analysis of semantic relations within the lexical-semantic field “interpersonal relations”. Our goal is to highlight all the variety of units of lexical-semantic field “interpersonal relations” used in F.M. Dostoevsky’s novel. Also we want to reveal the uniqueness of their contextual use, as well as to trace the dynamics of relations and at the same time the change in the lexical content as for relation descriptions between characters. We have developed criteria for selecting lexical markers. We used continuous sampling method, analysis of vocabulary definitions and componential analysis during the preparation of the article. It is established that the lexical-semantic field “interpersonal relations” is a clearly structured system, a well- structured system, which units are united by common semantic features. The pre-nuclear zone is made up of units united by the name of field “relation”, but with a small number of differential signs. In the field we are considering, these are 'negative attitude', 'positive attitude', 'intense', 'non-intensive', 'benevolence', 'hostility', 'sympathy', 'pity', 'indifference'. These features determine the structure and place of the field we are considering in the lexical-semantic system of the Russian language, helping to native speakers’ mind to expand the idea of the content and structure of the lexical-semantic field “interpersonal relations”. Most of the vocabulary of lexical-semantic field “interpersonal relations” are words with a high emotional code that characterizes the author’s style. The linguistic personality of Dostoevsky can be called an individually and creatively verbalized world view through the prism of the writer's consciousness

    Strategies to Convert Cells into Hyaline Cartilage: Magic Spells for Adult Stem Cells

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    Damaged hyaline cartilage gradually decreases joint function and growing pain significantly reduces the quality of a patient’s life. The clinically approved procedure of autologous chondrocyte implantation (ACI) for treating knee cartilage lesions has several limits, including the absence of healthy articular cartilage tissues for cell isolation and difficulties related to the chondrocyte expansion in vitro. Today, various ACI modifications are being developed using autologous chondrocytes from alternative sources, such as the auricles, nose and ribs. Adult stem cells from different tissues are also of great interest due to their less traumatic material extraction and their innate abilities of active proliferation and chondrogenic differentiation. According to the different adult stem cell types and their origin, various strategies have been proposed for stem cell expansion and initiation of their chondrogenic differentiation. The current review presents the diversity in developing applied techniques based on autologous adult stem cell differentiation to hyaline cartilage tissue and targeted to articular cartilage damage therapy

    Use of native milk whey in the production of smoked-boiled chicken ham

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    The purpose of this research is to determine the possibility of the use of native milk whey in the production of smoked-boiled ham from poultry meat. During the research, the process of modeling the production of smoked-boiled ham with the use of native milk whey was simulated. As a result of the studies, it was found that in the development of meat products, the whey had a positive effect on organoleptic, physico-chemical parameters, as well as the yield of finished products, which ultimately determines the feasibility and economic efficiency of the use of whey in the recipe of processed products

    The Effects of Separate and Combined Treatment of Male Rats with Type 2 Diabetes with Metformin and Orthosteric and Allosteric Agonists of Luteinizing Hormone Receptor on Steroidogenesis and Spermatogenesis

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    In men with type 2 diabetes mellitus (T2DM), steroidogenesis and spermatogenesis are impaired. Metformin and the agonists of luteinizing hormone/human chorionic gonadotropin(hCG)-receptor (LH/hCG-R) (hCG, low-molecular-weight allosteric LH/hCG-R-agonists) can be used to restore them. The aim was to study effectiveness of separate and combined administration of metformin, hCG and 5-amino-N-tert-butyl-2-(methylsulfanyl)-4-(3-(nicotinamido)phenyl)thieno[2,3-d]pyrimidine-6-carboxamide (TP3) on steroidogenesis and spermatogenesis in male rats with T2DM. hCG (15 IU/rat/day) and TP3 (15 mg/kg/day) were injected in the last five days of five-week metformin treatment (120 mg/kg/day). Metformin improved testicular steroidogenesis and spermatogenesis and restored LH/hCG-R-expression. Compared to control, in T2DM, hCG stimulated steroidogenesis and StAR-gene expression less effectively and, after five-day administration, reduced LH/hCG-R-expression, while TP3 effects changed weaker. In co-administration of metformin and LH/hCG-R-agonists, on the first day, stimulating effects of LH/hCG-R-agonists on testosterone levels and hCG-stimulated expression of StAR- and CYP17A1-genes were increased, but on the 3–5th day, they disappeared. This was due to reduced LH/hCG-R-gene expression and increased aromatase-catalyzed estradiol production. With co-administration, LH/hCG-R-agonists did not contribute to improving spermatogenesis, induced by metformin. Thus, in T2DM, metformin and LH/hCG-R-agonists restore steroidogenesis and spermatogenesis, with metformin being more effective in restoring spermatogenesis, and their co-administration improves LH/hCG-R-agonist-stimulating testicular steroidogenesis in acute but not chronic administration

    Sirolimus-Eluting Electrospun-Produced Matrices as Coatings for Vascular Stents: Dependence of Drug Release on Matrix Structure and Composition of the External Environment

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    Although a number of drug-eluting coatings for vascular stents (VSs) have been developed and are in commercial use, more efficient stent coatings and drug delivery systems are needed. Sirolimus (SRL) is a clinically important drug with antiproliferative and immunosuppressive activities that is widely used for coating stents. Here, we characterized SRL-enriched matrices, intended for coating vascular stents, that were produced by electrospinning (ES) on a drum collector from a solution of polycaprolactone (PCL) and human serum albumin (HSA), 1,1,1,3,3,3-hexafluoroisopropanol (HFIP), dimethyl sulfoxide (DMSO), and SRL. The release of tritium-labeled SRL (3H-SRL) from matrices in phosphate-buffered saline (PBS) or human blood plasma (BP) was studied. The introduction of DMSO in the ES blend decreased SRL release. The use of BP significantly accelerated SRL release through binding with serum biomolecules. The exchange of PBS or BP after every time point also increased SRL release. The maximum SRL release in BP was observed at 3 days. The matrices produced from the ES solution with DMSO and HSA released no more than 80% SRL after 27 days in BP, even under medium exchange conditions. Therefore, PCL-based matrices containing HSA, SRL, and DMSO can be used for coating VSs with prolonged SRL delivery

    Canrenone Restores Vasorelaxation Impaired by Marinobufagenin in Human Preeclampsia

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    Previous studies implicated cardiotonic steroids, including Na/K-ATPase inhibitor marinobufagenin (MBG), in the pathogenesis of preeclampsia (PE). Recently, we demonstrated that (i) MBG induces fibrosis in rat tissues via a mechanism involving Fli1, a negative regulator of collagen-1 synthesis, and (ii) MBG sensitive Na/K-ATPase inhibition is reversed by mineralocorticoid antagonists. We hypothesized that in human PE elevated MBG level is associated with the development of fibrosis of the umbilical arteries and that this fibrosis can be attenuated by canrenone. Fifteen patients with PE (mean BP = 118 ± 4 mmHg; 34 ± 2 years; 38 ± 0.3 weeks gest. age) and twelve gestational age-matched normal pregnant subjects (mean BP = 92 ± 2 mmHg; 34 ± 1 years; 39 ± 0.2 weeks gest. age) were enrolled in the study. PE was associated with a higher plasma MBG level, with a four-fold decrease in Fli1 level and a three-fold increase in collagen-1 level in the PE umbilical arteries vs. those from the normal subjects (p 50 = 141 nmol/L vs. EC50 = 0.9 nmol/L; p < 0.001). The effects of PE on Fli1 and collagen-1 were blocked by the in vitro treatment of umbilical arteries by 10 μmol/L canrenone. Similar results were obtained for umbilical arteries pretreated with MBG. These data demonstrate that elevated MBG level is implicated in the development of the fibrosis of umbilical arteries in PE, and that this could be blocked by mineralocorticoid antagonists
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