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  • Cardiology Research Institute  (2)
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  • Cardiology Research Institute  (2)
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  • 1
    Online Resource
    Online Resource
    Cardiology Research Institute ; 2019
    In:  Siberian Medical Journal Vol. 33, No. 4 ( 2019-02-13), p. 119-124
    In: Siberian Medical Journal, Cardiology Research Institute, Vol. 33, No. 4 ( 2019-02-13), p. 119-124
    Abstract: The concept of metabolic syndrome as a cluster of risk factors for type 2 diabetes and cardiovascular diseases has undergone a number of evolutionary transformations over the past years. Incorporation of autonomic nervous system dysfunction into the pathogenesis of metabolic syndrome opens an opportunity for inclusion of a number of clinical entities in the cluster of metabolic syndrome as they mutually affect the course and clinical manifestations of pathologies involved in metabolic syndrome. To confirm this notion, a cross-sectional transverse study of a continuous sample of 158 patients with metabolic syndrome was performed. The study showed that, in the presence of metabolic syndrome, the incidence of cardiac autonomic neuropathy reaches 37.5%. A number of features of gastroesophageal reflux disease in patients with metabolic syndrome were found in the structure of complaints where regurgitation predominated. Fibrogastroduodenoscopy demonstrated endoscopically negative form of the disease in 38%, and, according to high DeMeester index by daily pH-metry, the alkaline reflux was present in patients in lying position over 25% of time. Young men with metabolic syndrome had high incidence of prostatic enlargement (increased prostate size and volume) as well as high incidence of the IPSS questionnaire  score corresponding to the initial manifestations of prostatic hyperplasia in the presence of insulin resistance and normal androgen levels. The study showed that dysfunction of the autonomic nervous system (along with insulin resistance) was the main converging point in the development of metabolic syndrome. This suggests that cardiac autonomic neuropathy, lower urinary tract symptoms, and gastroesophageal reflux disease may be included in the metabolic syndrome cluster. 
    Type of Medium: Online Resource
    ISSN: 2073-8552
    URL: Issue
    Language: Unknown
    Publisher: Cardiology Research Institute
    Publication Date: 2019
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  • 2
    Online Resource
    Online Resource
    Cardiology Research Institute ; 2023
    In:  The Siberian Journal of Clinical and Experimental Medicine Vol. 37, No. 4 ( 2023-01-18), p. 139-148
    In: The Siberian Journal of Clinical and Experimental Medicine, Cardiology Research Institute, Vol. 37, No. 4 ( 2023-01-18), p. 139-148
    Abstract: Introduction . The work presents the results of studying the effects of three new azoloazine derivatives on oxidative glucose metabolism in order to select substances with the most acceptable characteristics for further preclinical study as potential antitumor agents, including for breast cancer chemotherapy. Aim. The aim of the work is to identify the metabolic properties of new azoloazine derivatives in terms of their effect on glucose metabolism using a culture of MCF-7 tumor cells and Vero non-tumor cells. Material and Methods. The testing on cell cultures was the main method used in the work, and all tested compounds were applied in final concentrations from 2.5 μmol/L. The comparison drug was epirubicin in the same concentration. The biochemical techniques included the determination of lactate production using commercial Olvex Diagnosticum kits and the determination of oxygen consumption by cells using the Seahorse XFe24 Analyzer for cellular metabolism. The results were processed statistically. Results. Lactate production in MCF-7 and Vero cell cultures decreased by more than half in the presence of 3-Cyclohexyl4-oxoimidazo[5,1-d]-[1,2,3,5] tetrazine-8-N-piperidinyl-carboxamide, and oxygen consumption decreased by 19-40%, which was the maximum effect among the studied azoloazine derivatives. Diethyl ether of 4-aminoimidazo[5,1-c][1,2,4] triazine-3,8dicarboxylic acid and 4-Amino-8-ethoxycarbonyl-imidazo[5,1-c][1,2,4] triazine-3-N-(p-toluyl)carboxamide were similar in their metabolic effects to the comparison drug epirubicin. They reduced lactate production in MCF-7 and Vero cell culture by a third and by 21–22%, respectively. Oxygen consumption in MCF-7 cell culture decreased by 14–17%, in Vero cell culture it decreased by 18–24%. Conclusion. The data obtained allow us to consider the (3-Cyclohexyl-4-oxoimidazo[5,1-d]-[1,2,3,5] tetrazine-8-N-piperidinylcarboxamide as the leader among new azoloazine derivatives and recommend it for further preclinical study as a potential antitumor agent.  
    Type of Medium: Online Resource
    ISSN: 2713-265X , 2713-2927
    Language: Unknown
    Publisher: Cardiology Research Institute
    Publication Date: 2023
    Location Call Number Limitation Availability
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