Search Results - "Shibuya, Ellen K"

G2 Cell Cycle Arrest: A Direct Link Between PKA and Cdc25C by Shibuya, Ellen K.

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Vertebrate Nup53 interacts with the nuclear lamina and is required for the assembly of a Nup93-containing complex by Hawryluk-Gara, Lisa A, Shibuya, Ellen K, Wozniak, Richard W

“…The nuclear pore complex (NPC) is an evolutionarily conserved structure that mediates exchange of macromolecules across the nuclear envelope (NE). It is…”
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Phosphorylation of Cdc25C by pp90Rsk Contributes to a G2 Cell Cycle Arrest in Xenopus Cycling Egg Extracts by Chun, Justin, Chau, Andrew S-S, Maingat, Ferdinand G., Edmonds, Stuart D., Ostergaard, Hanne L., Shibuya, Ellen K.

“…In unfertilized Xenopus eggs, the p42 mitogen activated protein kinase (p42MAPK) pathway isknown to maintain cell cycle arrest at metaphase of meiosis II…”
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Activation of the p42 mitogen-activated protein kinase pathway inhibits Cdc2 activation and entry into M-phase in cycling Xenopus egg extracts by Bitangcol, J C, Chau, A S, Stadnick, E, Lohka, M J, Dicken, B, Shibuya, E K

“…We have added constitutively active MAP kinase/ERK kinase (MEK), an activator of the mitogen-activated protein kinase (MAPK) signaling pathway, to cycling…”
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Oncogenic ras triggers the activation of 42-kDa mitogen-activated protein kinase in extracts of quiescent Xenopus oocytes by Shibuya, E K, Polverino, A J, Chang, E, Wigler, M, Ruderman, J V

“…Quiescent, full-grown Xenopus oocytes, which are arrested at the G2/M border of meiosis, contain an inactive 42-kDa mitogen-activated protein kinase (p42MAPK)…”
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Inactivation of p42 Mitogen-activated Protein Kinase Is Required for Exit from M-phase after Cyclin Destruction by Chau, Andrew S-S., Shibuya, Ellen K.

“…By using cycling Xenopus egg extracts, we have previously found that if mitogen-activated protein kinase (p42 MAPK) is activated on entry into mitosis…”
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Mos-induced p42 mitogen-activated protein kinase activation stabilizes M-phase in Xenopus egg extracts after cyclin destruction by Chau, Andrew SS, Shibuya, Ellen K

“…Previously, we have shown that the addition of a constitutively‐active mitogen‐activated protein kinase kinase protein (MAPKK = MEK) to cycling Xenopus egg…”
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Vertebrate Nup53 Interacts with the Nuclear Lamina and Is Required for the Assembly of a Nup93-containing Complex super( src="corehtml/pmc/pmcents/atyp0255.gif" border="0" alt="D in Box" /> ) by Hawryluk-Gara, Lisa A, Shibuya, Ellen K, Wozniak, Richard W

“…The nuclear pore complex (NPC) is an evolutionarily conserved structure that mediates exchange of macromolecules across the nuclear envelope (NE). It is…”
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Vertebrate Nup53 Interacts with the Nuclear Lamina and Is Required for the Assembly of a Nup93-containing ComplexD by Hawryluk-Gara, Lisa A., Shibuya, Ellen K., Wozniak, Richard W.

“…The nuclear pore complex (NPC) is an evolutionarily conserved structure that mediates exchange of macromolecules across the nuclear envelope (NE). It is…”
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Mos induces the in vitro activation of mitogen-activated protein kinases in lysates of frog oocytes and mammalian somatic cells by SHIBUYA, E. K, RUDERMAN, J. V

“…Mitogen-activated protein kinases (MAPKs) are rapidly and transiently activated when both quiescent Go-arrested cells and G2-arrested oocytes are stimulated to…”
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Activation of p42 MAP kinase and the release of oocytes from cell cycle arrest by Shibuya, E.K., Boulton, T.G., Cobb, M.H., Ruderman, J.V.

“…Clam oocytes are arrested naturally at the G2/M border in meiosis and contain an inactive 42 kDa ERK/MAP kinase, p42MAPK. Following fertilization, p42MAPK is…”
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Mos-induced p42 mitogen-activated protein kinase activation stabilizes M-phase in Xenopus egg extracts after cyclin destruction by Chau, Andrew SS, Shibuya, Ellen K

“…Previously, we have shown that the addition of a constitutively-active mitogen-activated protein kinase kinase protein (MAPKK = MEK) to cycling Xenopus egg…”
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Stabilization and enhancement of primary cytostatic factor (CSF) by ATP and NaF in amphibian egg cytosols by Shibuya, Ellen K., Masui, Yoshio

“…Amphibian zygotes microinjected with the cytoplasm or cytosol of unactivated eggs are arrested at metaphase of mitosis. The activity responsible for this…”
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Oncogenic Ras Triggers the Activation of 42-kDa Mitogen-Activated Protein Extracts in Extracts of Quiescent Xenopus Oocytes by Shibuya, Ellen K., Polverino, Anthony J., Chang, Eric, Wigler, Michael, Ruderman, Joan V.

“…Quiescent, full-grown Xenopus oocytes, which are arrested at the G2/M border of meiosis, contain an inactive 42-kDa mitogen-activated protein kinase (p42MAPK)…”
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Molecular characteristics of cytostatic factors in amphibian egg cytosols by Shibuya, E K, Masui, Y

“…In amphibians, zygotes microinjected with cytosol of unactivated eggs are arrested at metaphase of mitosis. The factor responsible for this effect has been…”
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Fractionation of cytostatic factors from cytosols of amphibian eggs by Shibuya, Ellen K., Masui, Yoshio

“…The cytoplasm or cytosols of unfertilized amphibian eggs contain cytostatic factor (CSF) which arrests cleavage at metaphase after injection into a zygote…”
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Activation of the Xenopus oocyte mitogen-activated protein kinase pathway by Mos is independent of Raf by SHIBUYA, E. K, MORRIS, J, RAPP, U. R, RUDERMAN, J. V

“…Synthesis of the protein kinase Mos is required for progesterone-induced activation of MAP kinase, M-phase promoting factor (MPF), and meiotic maturation of…”
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Sperm-induced cell cycle activities in blastomeres arrested by the cytostatic factor of unfertilized eggs in Rana pipiens by Shibuya, E K, Masui, Y

“…Suspensions of lysolecithin-treated sperm were injected into blastomeres of two-cell embryos which had been arrested with the extract of unfertilized eggs…”
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