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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 PDFMorphology, morphometry and chromatin distribution in llama sperm nuclei.
Reprod Domest Anim
April 2018
Facultad de Ciencias Veterinarias, Instituto de Investigación y Tecnología en Reproducción Animal (INITRA), Cátedra de Física Biológica, Ciudad Autónoma de Buenos Aires, Universidad de Buenos Aires, Buenos Aires, Argentina.
The objectives of this study were as follows: (i) to describe and evaluate the frequencies of different morphologies of llama sperm nuclei, (ii) to determine morphometric values of nuclear parameters, (iii) to describe and estimate the frequencies of different classes of chromatin distribution and (iv) to measure haploid DNA content and analyse its nuclear distribution. The study was performed using ejaculates collected from seven males, and sperm nuclei were stained with the Feulgen reaction. Normal morphology ranged from 78.
View Article and Find Full Text PDFCharacterization of the atypical lymphocytes in African swine fever.
Vet World
July 2016
Laboratory of Cell Biology and Virology, Institute of Molecular Biology of NAS, 7 Hasratyan St, 0014 Yerevan, Armenia.
Aim: Atypical lymphocytes usually described as lymphocytes with altered shape, increased DNA amount, and larger size. For analysis of cause of genesis and source of atypical lymphocytes during African swine fever virus (ASFV) infection, bone marrow, peripheral blood, and in vitro model were investigated.
Materials And Methods: Atypical lymphocytes under the influence of ASFV were studied for morphologic, cytophotometric, and membrane surface marker characteristics and were used in vivo and in vitro models.
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