Search Results - "Kopecný, Václav"

The extracellular matrix of porcine mature oocytes: origin, composition and presumptive roles by Fléchon, Jacques E, Degrouard, Jeril, Kopecný, Václav, Pivko, Juraj, Pavlok, Antonin, Motlik, Jan

“…The extracellular matrix (ECM) of porcine mature oocytes was revealed by transmission electron microscopy (TEM) after treatment with tannic acid and ruthenium…”
Get full text

High-resolution autoradiographic localization of DNA-containing sites and RNA synthesis in developing nucleoli of human preimplantation embryos: a new concept of embryonic nucleologenesis by Tesarík, J, Kopecný, V, Plachot, M, Mandelbaum, J

“…Human embryos from the 2-cell to the morula stage, obtained by in vitro fertilization, were incubated with [3H]thymidine or [3H]uridine so as to achieve…”
Get full text

Early morphological signs of embryonic genome expression in human preimplantation development as revealed by quantitative electron microscopy by Tesařék, Jan, Kopečný, Václav, Plachot, Michelle, Mandelbaum, Jacqueline

“…A quantitative electron microscopic analysis of human preimplantation embryos in conjunction with [ 3H]uridine labeling and light microscopic autoradiography…”
Get full text

Ultrastructural and autoradiographic observations on multinucleated blastomeres of human cleaving embryos obtained by in-vitro fertilization by Tesarík, J, Kopecný, V, Plachot, M, Mandelbaum, J

“…Human embryos from the 2-cell to the morula stage developing in vitro after monospermic fertilization were incubated with [3H]thymidine or [3H]uridine and…”
Get more information

Development of human male pronucleus: ultrastructure and timing by Tesarik, J, Kopecny, V

“…The process of human male pronuclear formation was studied using an experimental model based on in vitro inseminated human zona-free eggs prepared from oocytes…”
Get more information

A method for a selective local application of radioactive precursors of nucleic acids to the cow ovary by PIVKO, J, GRAFENAU, P, KOPECNY, V

“…Local application of /5-3H/uridine or /6-3H/thymidine to the cow ovary was obtained by the instillation of the radioactive solution into a rubber balloon…”
Get full text

Nucleologenesis in the human embryo developing in vitro: Ultrastructural and autoradiographic analysis by Tesařík, Jan, Kopečný, Václav, Plachot, Michelle, Mandelbaum, Jacqueline, Da Lage, Christian, Fléchon, Jacques-Edmond

“…Nucleolar development during cleavage of human embryos in vitro was analyzed using combined autoradiographic and ultrastructural approaches. Human 2- to 4-cell…”
Get full text

A method for a selective local application of radioactive precursors of nucleic acids to the cow ovary by Pivko, Juraj, Grafenau, Peter, Kopečný, Václav

Get full text

Association of plasmid pKT3 with cock spermatozoa in two different temperatures by Trefil, P, Míka, J, Slíva, D, Kopecný, V

Get more information

Selective binding of human cumulus cell-secreted glycoproteins to human spermatozoa during capacitation in vitro by Tesarík, J, Kopecný, V, Dvorák, M

“…The results of this study demonstrate that glycoproteins manufactured by human cumulus cells can be detected bound to human spermatozoa incubated in…”
Get more information

Assembly of the nucleolar precursor bodies in human male pronuclei is correlated with an early RNA synthetic activity by Tesarik, J, Kopecny, V

“…The nucleolar precursor bodies (NPBs) are electrondense, homogeneous, and finely filamentous intranuclear structures occurring in mammalian zygotes during the…”
Get more information

Texture of the zona pellucida of the mature pig oocyte. The mammalian egg envelope revisited by Fléchon, Jacques E., Kopecny, Vaclav, Pivko, Juraj, Pavlok, Antonin, Motlik, Jan

Get full text

Texture of the zona pellucida of the mature pig oocyte. The mammalian egg envelope revisited by FLECHON, Jacques E, KOPECNY, Vaclav, PIVKO, Juraj, PAVLOK, Antonin, MOTLIK, Jan

“…The zona pellucida (ZP) of mature pig oocytes is believed to consist of a dense filamentous meshwork, less compact on the inner and outer faces. The uneven…”
Get full text

Detailed analysis of pronucleus development in bovine zygotes in vivo: ultrastructure and cell cycle chronology by Laurincik, J. (Research Institute of Animal Production, Nitra, Slovak Republic.), Kopecny, V, Hyttel, P

“…The ultrastructural development of pronuclei and cytoplasm was studied in bovine zygotes developed in the oviducts. The timing of the morphological events was…”
Get full text

The cell nucleus in early bovine and caprine preimplantation embryos: fine structural cytochemistry and immunoelectron microscopy by Kopecny, V, Biggiogera, M, Pivko, J, Grafenau, P, Pavlok, A, Malatesta, M, Martin, T E, Fakan, S

“…Fine structural cytochemistry and immunocytochemistry were used to study nucleic acids and nuclear proteins in nuclear bodies (NB) of pronuclear and 2-cell…”
Get more information

A study of the intravascular dynamics of leukocytes in the miniature pig (Minnesota) by Motlík, J, Simon, M, Kopecný, V

Get full text

Tritium activity in spermatozoa and epididymal epithelium after application of thymidine-methyl-H3 and passage blocking by ligature by Fulka, J, Kopecný, V, Koefoed-Johnsen, H H

Get more information

Acrosome removal induces features analogous to fertilization during mouse sperm fusion with somatic cells by Siroký, J, Spurná, V, Kopecný, V, Tkadlecek, L

Get more information

An Autoradiographic Study of Macromolecular Synthesis in the Epithelium of the Ductus Epididymidis in the Mouse. I. DNA, RNA and Protein by JIRI KANKA, VACLAV KOPEČNÃ

“…DNA, RNA and protein synthesis was studied in the epithelium of the ductus epididymidis of the mouse by autoradiography. This study confirms the presence of…”
Get full text

Autoradiographic study of mouse spermatozoan arginine-rich nuclear protein in fertilization by Kopecný, V, Pavlok, A

“…General labeling of ripe mouse spermatozoa was obtained two weeks after six injections of L-arginine-5-3H monohydrochloride, administered within two days…”
Get more information