Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Ondrej Šimo"'
Autor:
Bianka Porubska, Marie Plevakova, Natalie Fikarova, Daniel Vasek, Veronika Somova, Ondrej Sanovec, Ondrej Simonik, Katerina Komrskova, Vladimir Krylov, Tereza Tlapakova, Magdalena Krulova
Publikováno v:
Stem Cell Research & Therapy, Vol 15, Iss 1, Pp 1-14 (2024)
Abstract Background Inflammation-induced testicular damage is a significant contributing factor to the increasing incidence of infertility. Traditional treatments during the inflammatory phase often fail to achieve the desired fertility outcomes, nec
Externí odkaz:
https://doaj.org/article/18499769efd449a19b5994833a49f98b
Autor:
Michaela Frolikova, Vishma Pratap Sur, Ivan Novotny, Michaela Blazikova, Jana Vondrakova, Ondrej Simonik, Lukas Ded, Eliska Valaskova, Lenka Koptasikova, Ales Benda, Pavla Postlerova, Ondrej Horvath, Katerina Komrskova
Publikováno v:
Frontiers in Cell and Developmental Biology, Vol 11 (2023)
Juno and CD9 protein, expressed in oolemma, are known to be essential for sperm-oocyte binding and fusion. Although evidence exists that these two proteins cooperate, their interaction has not yet been demonstrated. Here in, we present Juno and CD9 m
Externí odkaz:
https://doaj.org/article/4009afb3b15748a39be8b25925b3e3a4
Autor:
Lenka Hackerova, Barbora Klusackova, Michal Zigo, Natalie Zelenkova, Katerina Havlikova, Romana Krejcirova, Marketa Sedmikova, Peter Sutovsky, Katerina Komrskova, Pavla Postlerova, Ondrej Simonik
Publikováno v:
Frontiers in Veterinary Science, Vol 10 (2023)
A series of biochemical and biophysical changes during sperm capacitation initiates various signaling pathways related to protein phosphorylation leading to sperm hyperactivation, simultaneously with the regulation of proteasomal activity responsible
Externí odkaz:
https://doaj.org/article/a6f08b13baed4eee98f077b1cf6674bd
Publikováno v:
Journal of Heterocyclic Chemistry. 37:1033-1039
This paper presents the synthesis of a series of 5,6-dihydro-4H,8H-pyrimido[1,2,3-cd]purine-8,10(9H)-dione ring system derivatives with a [1,2,3]triazole ring bonded in position 2. The procedure is based on cycloaddition of substituted alkyl azides t
Publikováno v:
Collection of Czechoslovak Chemical Communications. 63:407-415
New 4-alkyl- or 4-phenyl-7-methyl-1,2-dihydro-7H-imidazo[1,2,3-cd]purine-6,8-diones 1 were obtained by intramolecular alkylation of 8-alkyl- or 8-phenyl-9-(2-mesyloxyethyl)-1-methyl-9H-purine-2,6(1H,3H)-diones 5. The necessary compounds 5 were prepar
Publikováno v:
Collection of Czechoslovak Chemical Communications. 60:583-593
The Gould-Jacobs reaction of all position isomeric 2-aminonitrobenzothiazoles II with diethyl ethoxy- methylenemalonate has been studied. The structure of substitution (IV) and cyclization (VI) products and of the corresponding acids (VIII) was confi
Publikováno v:
Czech Journal of Animal Science, Vol 65, Iss 11, Pp 403-410 (2020)
The aim of this study was to evaluate differences in the presence of sperm subpopulations in frozen-thawed semen in stallions with different freezability. The motility of individual spermatozoa of 24 stallions from 15 breeds was evaluated using compu
Externí odkaz:
https://doaj.org/article/82433c23523b495593c15add25507b08
Autor:
Ondrej Simonik, Filipa Bubenickova, Lucie Tumova, Michaela Frolikova, Vishma Pratap Sur, Jan Beran, Katerina Havlikova, Lenka Hackerova, Daniela Spevakova, Katerina Komrskova, Pavla Postlerova
Publikováno v:
Animals, Vol 12, Iss 7, p 868 (2022)
The long-term storage of boar sperm presents an ongoing challenge, and the modification of the cryoprotective compounds in semen extenders is crucial for improving cryopreservation’s success rate. The aim of our study was to reduce the percentage o
Externí odkaz:
https://doaj.org/article/980b7d14772747a0be5c3e95efdcdf40
Autor:
Adéla Krejcárková, Petra Folková, Ondřej Šimoník, Martina Šašková, Romana Krejčířová, Ondřej Drábek, Radko Rajmon
Publikováno v:
Czech Journal of Animal Science, Vol 62, Iss 10, Pp 435-445 (2017)
Genistein (GEN) and zearalenone (ZEA), environmental oestrogens commonly present in feedstuff for pigs, are known for their effects on reproductive functions. The aim was to verify the in vitro effects of 0.5-20 µM concentrations of GEN, ZEA and its
Externí odkaz:
https://doaj.org/article/6e67e9aae90a464f84fd4617b4f36df1
Publikováno v:
Czech Journal of Animal Science, Vol 62, Iss 6, Pp 227-233 (2017)
The aim of the study was to evaluate the effect of two different extenders on sperm characteristic before equilibration and post-thaw in the endangered Old Kladruber stallions. Also, the response of individual stallions to the extenders used was test
Externí odkaz:
https://doaj.org/article/984805fe9a1c4205b3fcfb5392c0003d