Search Results - "Tatemoto, H"

Protection of Porcine Oocytes Against Apoptotic Cell Death Caused by Oxidative Stress During In Vitro Maturation: Role of Cumulus Cells by TATEMOTO, Hideki, SAKURAI, Noriaki, MUTO, Norio

“…The present study was conducted to examine the protective effect of cumulus cells on oocyte damage caused by reactive oxygen species (ROS), generated by the…”
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Acrosome reaction of fowl sperm: evidence for shedding of the acrosomal cap in intact form to release acrosomal enzyme by Ahammad, M U, Nishino, C, Tatemoto, H, Okura, N, Okamoto, S, Kawamoto, Y, Nakada, T

“…The aim of this study was to determine the site of enzyme release from the acrosome and the fate of the acrosomal cap during the process of acrosome reaction…”
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Maturational changes in motility, acrosomal proteolytic activity, and penetrability of the inner perivitelline layer of fowl sperm, during their passage through the male genital tract by Ahammad, Muslah U., Nishino, C., Tatemoto, H., Okura, N., Kawamoto, Y., Okamoto, S., Nakada, T.

“…The objective was to examine, in vitro, the motility, acrosomal proteolytic activity (APA), and penetrating ability of fowl sperm recovered from the testis and…”
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N-glycosylation of zona glycoproteins during meiotic maturation is involved in sperm-zona pellucida interactions of porcine oocytes by Lay, K.M., Ashizawa, K., Nakada, T., Tatemoto, H.

“…The objective was to determine whether N-glycosylation of zona pellucida (ZP) glycoproteins occurred during meiotic maturation of porcine oocytes, and whether…”
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Maturational changes in the survivability and fertility of fowl sperm during their passage through the male reproductive tract by Ahammad, Muslah U, Nishino, C, Tatemoto, H, Okura, N, Kawamoto, Y, Okamoto, S, Nakada, T

“…The objective of this study was to examine whether domestic fowl ( Gallus domesticus) sperm undergo maturation in their capacity for survival and fertilization…”
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Plumping fluid added to storage medium increases twofold the functional life span of fowl spermatozoa in vitro at 4°C by Ahammad, M.U., Nishino, C., Tatemoto, H., Okura, N., Okamoto, S., Kawamoto, Y., Nakada, T.

“…1. The objective of this study was to examine whether addition of plumping fluid (PF) to Lake's solution (LS) for storage of fowl spermatozoa in vitro at 4°C…”
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Enhancement of developmental competence after in vitro fertilization of porcine oocytes by treatment with ascorbic acid 2-O-α-glucoside during in vitro maturation by TATEMOTO, Hideki, OOTAKI, Keisuke, SHIGETA, Koji, MUTO, Norio

“…The present study was conducted to examine the effect of ascorbic acid 2-O-alpha-glucoside (AA-2G), a stable ascorbate derivative, on the sustenance of…”
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Involvement of cumulus cells stimulated by FSH in chromatin condensation and the activation of maturation-promoting factor in bovine oocytes by Tatemoto, H, Terada, T

“…The effects of FSH-stimulated cumulus cells on the regulatory mechanisms of chromatin condensation and maturation-promoting factor (MPF) activation around the…”
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Analysis of zona pellucida modifications due to cortical granule exocytosis in single porcine oocytes, using enhanced chemiluminescence by Tatemoto, H., Terada, T.

“…The present study was carried out to determine whether modification of zona pellucida (ZP) of a single oocyte following the cortical granule (CG) exocytosis…”
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Activation of p34(cdc2) kinase around the meiotic resumption in bovine oocytes cultured in vitro by Tatemoto, H, Terada, T

“…The p34(cdc2) kinase has been identified as a protein factor that is a regulator of meiotic maturation in mammalian oocytes. To investigate the regulatory…”
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Time-dependent effects of cycloheximide and α-amanitin on meiotic resumption and progression in bovine follicular oocytes by Tatemoto, H., Terada, T.

“…To identify the stage during maturation at which new protein and RNA are synthesized for meiotic resumption, follicular oocytes were cultured in TCM-199 with…”
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Requirement for protein synthesis during the onset of meiosis in bovine oocytes and its involvement in the autocatalytic amplification of maturation-promoting factor by Tatemoto, H, Horiuchi, T

“…The present study was carried out using the method of electrofusion, or treatment with okadaic acid (OA), to determine whether protein synthesis at the onset…”
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Involvement of cyclic AMP-dependent protein kinase in chromatin condensation before germinal vesicle breakdown in bovine oocytes by Tatemoto, H., Terada, T.

“…The effects of follicle-stimulating hormone (FSH), cyclic AMP-dependent protein kinase (PK-A) inhibitor and dibutyryl cAMP (dbcAMP) on chromatin condensation…”
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Heat-shock-induced cathepsin B activity during IVF and culture compromises the developmental competence of bovine embryos by Yamanaka, Ken-ichi, Khatun, Hafiza, Egashira, Junki, Balboula, Ahmed Zaky, Tatemoto, Hideki, Sakatani, Miki, Takenouchi, Naoki, Wada, Yasuhiko, Takahashi, Masashi

“…Heat stress can cause significant reproductive dysfunction in mammals and previous studies report that expression and activity of cathepsin B (CTSB), a…”
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Protection of Porcine Oocytes Against Cell Damage Caused by Oxidative Stress During In Vitro Maturation: Role of Superoxide Dismutase Activity in Porcine Follicular Fluid by TATEMOTO, Hideki, MUTO, Norio, SUNAGAWA, Ikuko, SHINJO, Akihisa, NAKADA, Tadashi

“…To elucidate the beneficial effects of porcine follicular fluid (pFF) added to maturation medium on the sustenance of cytoplasmic maturation responsible for…”
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Isolation of apoptosis- and differentiation-inducing substances toward human promyelocytic leukemia HL-60 cells from leaves of Juniperus taxifolia by Muto, N.(Prefectural Univ. of Hiroshima, Shobara (Japan)), Tomokuni, T, Haramoto, M, Tatemoto, H, Nakanishi, T, Inatomi, Y, Murata, H, Inada, A

“…A chloroform extract of the leaves of Juniperus taxifolia exhibited a marked antiproliferative effect on human promyelocytic leukemia HL-60 cells at a…”
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Improvement of the post-thaw qualities of Okinawan native pig spermatozoa frozen in an extender supplemented with ascorbic acid 2- O-α-glucoside by Yoshimoto, Teppei, Nakamura, Satoshi, Yamauchi, Shogo, Muto, Norio, Nakada, Tadashi, Ashizawa, Koji, Tatemoto, Hideki

“…The technical establishment of boar sperm cryopreservation is indispensable for effective breeding of the scarce Okinawan native pig Agu. The objective of the…”
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Differential Expression Patterns of Wnt and β-Catenin/TCF Target Genes in the Uterus of Immature Female Rats Exposed to 17α-Ethynyl Estradiol by Katayama, Seiichi, Ashizawa, Koji, Fukuhara, Tadahiro, Hiroyasu, Makoto, Tsuzuki, Yasuhiro, Tatemoto, Hideki, Nakada, Tadashi, Nagai, Kenji

“…To characterize the effects of an estrogen receptor (ER) agonist on the gene expressions in the uterus, immature female rats were administered once orally with…”
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Anti-Hyaluronidase Oligosaccharide Derived from Chondroitin Sulfate A Effectively Reduces Polyspermy During In Vitro Fertilization of Porcine Oocytes by Tatemoto, Hideki, Muto, Norio, Yim, Sun-Deok, Nakada, Tadashi

“…The present study was conducted to examine the effects of chondroitin sulfate A-derived oligosaccharide (ChSAO) on hyaluronidase activity and in vitro…”
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Essential Role of Ascorbic Acid in Neural Differentiation and Development: High Levels of Ascorbic Acid 2-Glucoside Effectively Enhance Nerve Growth Facto--Induced Neurite Formation and Elongation in PC12 Cells by Haramoto, M, Tatemoto, H, Muto, N

“…The aim of this study was to investigate the role of ascorbic acid (AsA) in neural differentiation induced by nerve growth factor (NGF) in PC12 cells, a neural…”
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