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http://dx.doi.org/10.1177/026119290503300603 | DOI Listing |
Unlabelled: One of the principles of prevention and non-drug treatment of liver diseases, including hepatitis of various etiologies, is the normalization of the diet, including the use of daily diet foods with physiologically active ingredients, in particular betulin, which helps to reduce metabolic and oxidative processes within liver cells. The aim of the work was to evaluate the in vivo effect of triterpene alcohol betulin Roth isolated from the bark of birch Betula pendula Roth. added to fat-containing products (for example, mayonnaise) on the biochemical parameters of blood and the morphological structure of the liver of rats with initiated acute toxic hepatitis.
View Article and Find Full Text PDFDokl Biochem Biophys
January 2025
Voronezh State University, Voronezh, Russia.
Creation and long-term in vitro maintenance of valuable genotype collection is one of the modern approach to conservation of valuable gene pool of woody plants. However, during prolonged cultivation, genetic variability of cells and tissues may accumulate and lead to the loss of valuable characteristics of parental plants. It is therefore important to assess the genetic (including cytogenetic) stability of collection clones.
View Article and Find Full Text PDFDokl Biochem Biophys
January 2025
Ryazan State Medical University, Ryazan, Russian Federation.
Introduction: Breast cancer resistance protein (BCRP) is an efflux membrane transporter that controls the pharmacokinetics of a large number of drugs. Its activity may change when taking some endo- and exogenous substances, thus making it a link in drug interactions.
Aim: The aim of the study was to develop a methodology for testing drugs for belonging to BCRP substrates and inhibitors in vitro.
Dokl Biochem Biophys
January 2025
Bakulev National Medical Research Center for Cardiovascular Surgery, Moscow, Russia.
The study presents a numerical parametric investigation of flow structures in channels with a longitudinal-radial profile zR = Const and a spherical dome at the base. The goal of the study was to examine the flow structures in these channels depending on the exponent N of the profile and the height of the dome, to determine the conditions that provide optimal centripetal swirling flow, analogous to blood flow in the heart chambers and major vessels. The investigation was conducted using a comparative analysis of flow structures in channel configurations zR = Const, carried out in two stages.
View Article and Find Full Text PDFDokl Biochem Biophys
January 2025
Kazan Institute of Biochemistry and Biophysics, Federal Research Center "Kazan Scientific Center of the Russian Academy of Sciences,", 420111, Kazan, Russia.
Cytochromes of the P450 superfamily are widespread in nature; they were found in all studied aerobic organisms. Although the degree of similarity between cytochromes P450 of different families is low, all enzymes of this superfamily have similar tertiary structures. In addition, all cytochromes P450, including enzymes of the CYP74 clan, contain substrate recognition sites in their sequences, which form the catalytic center.
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