Research theme for competitive and other funds (8):
2024 - 2027 非ゲノム情報活用による雄牛繁殖性予測研究開発事業
2023 - 2026 Fundamental Studies on anhydrobiosis of mammalian cells
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
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 - 2023 Bilateral investigation of universal biomarkers associated with bull fertility: application of high-efficiency sperm DNA methylation profiling
2022 - 2023 性選別精液による良質な体外受精胚作出に向けたウシ精子前処理法の検討
2020 - 2023 ウシ高走流性精子のエピゲノム変化に着目した低受胎要因の解明
2021 - 2023 非ゲノム情報による牛凍結精液受胎性評価法開発事業
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Papers (18):
Kumiko Takeda, Kazuko Ogata, Kazutsugu Matsukawa, Hiroaki Yokokawa, Yutaka Fukumoto, Kenji Morimasa, Takemasa Hidaka, Takuya Nogi, Kenichi Watabe, Kumi Iijima, et al. Effects of thiol compounds on DNA-damage detection and in vitro fertilization outcomes in bovine sperm. The Journal of reproduction and development. 2026
Kazuko Ogata, Ayaka Takeuchi, Shiori Ashibe, Naoko Sugane, Yoshikazu Nagao. Optimization of canine sperm cryopreservation by focusing on glycerol concentration and freezing rate. Veterinary Research Communications. 2025
Kazuko Ogata, Hiroaki Yokokawa, Kyoko Ishikawa, Kumiko Takeda. Effects of reduced glutathione supplementation to semen freezing extender on glutathione and thiol content in frozen-thawed bull spermatozoa. 2024. 35. 530
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