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The temporary impact of COVID-19 on semen deoxyribonucleic acid fragmentation.
Cent European J Urol
May 2024
Department of Urology, St. Paraskeva Medical Centre, Lviv, Ukraine.
Introduction: Coronavirus disease 2019 (COVID-19) is characterized by impact on different systems of human body. Recently, several anti-COVID vaccines have been developed.
Material And Methods: In our study, we included two groups of males: GROUP1, anti-COVID vaccinated males, n = 46, and GROUP2, n = 43, non-vaccinated males, who all fell ill with the Coronavirus infection.
Evaluation of the testicular artery Doppler velocimetry and its correlation with sperm defects in domestic cats.
Anim Reprod Sci
August 2024
Department of Veterinary Clinics, Universidade Estadual de Londrina, Londrina, Brazil. Electronic address:
Several studies have demonstrated the correlation between Doppler velocimetric parameters of testicular artery and semen quality in domestic species, but in felines data are scarce. This study aimed to correlate the Doppler velocimetry of the testicular artery with sperm kinetics and sperm defects, in sedated and non-sedated cats. Forty tomcats were divided into two groups: sedated (SG; n=20) with dexmedetomidine (10 µm/kg) and ketamine (12 mg/kg), and non-sedated (NSG; n=20).
View Article and Find Full Text PDFAspects of spermatogenesis in immature and mature specimens of the long-lived Greenland shark: Novelties concerning the germinal compartment's assembly, complement of Sertoli cells and demise.
PLoS One
June 2024
Department of Arctic and Marine Biology, Faculty of Biosciences, Fisheries and Economics, UiT The Arctic University of Norway, Tromsø, Norway.
Cystic spermatogenesis in the subadult, maturing and adult Greenland shark (Somniosus microcephalus) displays multiple novel features, characterized early on by an unorganized internal cellular environment of the spermatocysts (anatomically discrete follicle-like units containing a single germ cell stage and its complement of co-developing Sertoli cells). These typically show polar asymmetries due to asymmetrically distributed germ and Sertoli cells. These arise from several novel cellular rearrangements at the immature pole, including fusion of a cluster of somatic cells with newly formed cysts containing only one to three spermatogonia and that already display an excess of Sertoli cells.
View Article and Find Full Text PDFQuantitative study on a simple electrochemical dsDNA-pregabalin biosensor; multi-spectroscopic, molecular docking and modelling studies.
J Pharm Biomed Anal
September 2024
Istanbul Technical University, Faculty of Sciences and Letters, Department of Chemistry, Istanbul, Turkiye. Electronic address:
Pregabalin (PGB) is a γ-aminobutyric acid (GABA) alkylated analog prescribed to treat neuropathic pain, fibromyalgia, and postherpetic neuralgia. Using analytical, spectroscopic methods and molecular docking and molecular dynamics (MD) simulations, a detailed experimental and theoretical investigation was conducted into the binding process and interactions between PGB and double-stranded fish sperm deoxyribonucleic acid (dsDNA). It was evident from the collected experimental results that PGB binds with ds-DNA.
View Article and Find Full Text PDFPatterns of alteration in boar semen quality from 9 to 37 months old and improvement by protocatechuic acid.
J Anim Sci Biotechnol
May 2024
Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China.
Background: Comprehending the patterns of alteration in boar semen quality and identifying effective nutritional interventions are crucial for enhancing the productivity of commercial pig systems. This study aimed to examine the alteration in semen quality in boars, and assess the impact of protocatechuic acid (PCA) on semen quality during the phase of declining semen quality.
Methods: In Exp.
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