Research field (2):
Developmental biology
, Animal production science
Research keywords (1):
ウシ
Research theme for competitive and other funds (6):
2023 - 2026 Fundamental Studies on anhydrobiosis of mammalian cells
2023 - 2026 外因性GSHがウシ精子に与える初期胚発生へのアドバンテージの解明
2023 - 2026 チオール基反応性物質のウシ精子クロマチンへの影響および精子評価への利用
2018 - 2023 Preservation of mammalian genetic resources and study for the developmental mechanism using freeze-dried cells
2019 - 2022 Evaluation of bull fertility for bovine spermatozoa and embryos using differentially methylated CpG sites as biomarkers
2016 - 2019 Elucidation of DNA methylation status of bovine spermatozoa related to embryo development after in vitro fertilization and conception after artificial insemination
Tamás Somfai, Kazuko Ogata, Kumiko Takeda, Yuji Hirao. Bulk vitrification of in vitro produced bovine zygotes without reducing developmental competence to the blastocyst stage. Cryobiology. 2022. 106. 32-38
Kazuko Ogata, Akira Imai, Shinya Sato, Kagetomo Nishino, Shinya Watanabe, Tamas Somfai, Eiji Kobayashi, Kumiko Takeda. Effects of reduced glutathione supplementation in semen freezing extender on frozen-thawed bull semen and in vitro fertilization. The Journal of reproduction and development. 2022. 68. 1. 53-61
Kumiko Takeda, Eiji Kobayashi, Kazuko Ogata, Akira Imai, Shinya Sato, Hiromichi Adachi, Yoichiro Hoshino, Kagetomo Nishino, Masahiro Inoue, Masahiro Kaneda, et al. Differentially methylated CpG sites related to fertility in Japanese Black bull spermatozoa: epigenetic biomarker candidates to predict sire conception rate. The Journal of reproduction and development. 2021. 67. 2. 99-107
Kazuko Ogata, Maria Portia B Nagata, Hirofumi Nishizono, Tadayuki Yamanouchi, Hideo Matsuda, Yuki Ogata, Kumiko Takeda, Yutaka Hashiyada, Kenichi Yamashita. In vitro survival kinetics of microfluidic-sorted bovine spermatozoa. Andrology. 2020. 9. 3. 977-988
小林美穂, 鈴木一好, 小迫孝実, 秋山典昭, 三森眞琴, 宮本進, 西村宏一, 小松正憲, 甘利雅拡, 相川勝弘, et al. Monitoring of radioactive substances in milk and feed in Tsukuba, Japan following the accident at the Fukushima Daiichi Nuclear Power Plant. 農研機構研究報告. 2021. 8. 8. 137-147
TAKEDA Kumiko, OGATA Kazuko, IMAI Akira, SATO Shinya, INOUE Masahiro, KIMURA Kazuki, KUMAZAKI Hiromasa, KANEDA Masahiro, KOBAYASHI Eiji. Prediction of sire conception rate after artificial insemination using sperm DNA differentially methylated regions. The Journal of Reproduction and Development Supplement. 2021. 114th. P-20-P-20
Age-related changes in DNA methylation levels of CpG sites in bull spermatozoa and IVF embryos.
(Fourth World Congress of Reproductive Biology (WCRB2017) 2017)
Differentially methylated CpG sites in bull sperm DNA revealed by human DNA methylation arrays.
(The 17th AAAP 2016)