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Impact of the New Coronavirus Infection on the Immune System of Children and Adolescents in the Region of the Russian Federation.
Int J Environ Res Public Health
October 2022
Perm State Agro-Technological University Named after Academician D N Pryanishnikov, 23, Petropavlovskaja St., Perm 614990, Russia.
The emergence of COVID-19 (SARS-CoV-2) has presented public health professionals with new challenges in the diagnosis of the disease and treatment of patients. Nowadays, the epidemiology, clinical features, prevention and treatment of the disease are studied poorly due to continuous mutation of the pathogen. One of the consequences of the new coronavirus infection could be changes in the immune system of the human population.
View Article and Find Full Text PDFFluctuations in cell cycle, morphology and metabolism of Anemia phyllitidis gametophytes are the most important hallmarks of GA-induced antheridiogenesis.
Micron
June 2019
The University of Łódź, Faculty of Biology and Environmental Protection, Department of Cytophysiology, Pomorska 141/143, 90-236 Łódź, Poland. Electronic address:
The research object concerns partially explained mechanisms of plant hormone participation in male sex determination in plants, among them in A. phyllitidis gametophytes during GA-induced antheridiogenesis. To provide an explanation of the mechanisms of fluorescence and white-light microscopy, cytophotometric, autoradiographic and spectrophotometic methods were used to study cell cycle, the number of nucleoli, the amount of DiOC-stained IMN/ER, in which endoplasmic reticulum (ER) constitutes the main part, and its distribution as well as the amounts of proteins and chlorophylls and activities of acidic (Ac) and basic (Ba) phosphatases (Phases).
View Article and Find Full Text PDFIrrigation affects characteristics of narrow-leaved lupin (Lupinus angustifolius L.) seeds.
Planta
June 2019
Department of Cytophysiology, Faculty of Biology and Environmental Protection, University of Łódź, ul. Pomorska 141/143, 90-236, Lodz, Poland.
While plant irrigation usually increases yield, irrigation also affects seed characteristics with respect to endoreplication level, chemical composition, number of carbonyl bands, and cuticular wax profiles. Seeds of sweet varieties of the narrow-leaved lupin have good nutritional properties; however, these plants are sensitive to water deficit. Irrigation improves lupin yield, but can affect seed characteristics.
View Article and Find Full Text PDFGenome size of Cyclops in cells at early stages of cleavage (up to the 5th division) and in somatic cells were estimated by a static digital Feulgen cytophotometry in order to study the quantitative changes in DNA content during chromatin diminution. Our realization of the cytophotometric method was approbeted on five different digital-imaging systems in blood cells of four vertebrate species. In all cases, we observed a direct correlation of the obtained and known from the literature data on the genome size and a high reproducibility, which allows to use these systems in future work.
View Article and Find Full Text PDFThe aim of this study was to determine the effect of ischemic postconditioning on hippocampal CA1 neuronal survival and cytoplasmic activity of lactate dehydrogenase (LDH) in the gerbil model of cerebral ischemia-reperfusion injury. Ischemia was induced by bilateral common carotid artery occlusion (for 7 min) in male Mongolian gerbils (Meriones unguiculatus). Ischemic postconditioning protocol comprised 3 cycles of 15 s reperfusion/15 s ischemia.
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