Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Tatsuma Yao"'
Autor:
Mayuko KURUMIZAKA, Tatsuma YAO, Mikiko TOKORO, Noritaka FUKUNAGA, Yoshimasa ASADA, Kazuo YAMAGATA
Publikováno v:
The Journal of Reproduction and Development, Vol 70, Iss 3, Pp 160-168 (2024)
Ovarian stimulation protocols are widely used to collect oocytes in assisted reproductive technologies (ARTs). Although the influence of ovarian stimulation on embryo quality has been described, this issue remains controversial. Here, we analyzed the
Externí odkaz:
https://doaj.org/article/75c3b47c6b3646f39a3239868927b50e
Autor:
Takehiko OGAWA, Takafumi MATSUMURA, Tatsuma YAO, Hiroshi KIMURA, Kiyoshi HASHIMOTO, Yu ISHIKAWA-YAMAUCHI, Takuya SATO
Publikováno v:
The Journal of Reproduction and Development, Vol 70, Iss 1, Pp 1-9 (2023)
Incorporation of bovine serum-derived albumin formulation (AlbuMAX) into a basic culture medium, MEMα, enables the completion of in vitro spermatogenesis through testicular tissue culture in mice. However, this medium was not effective in other anim
Externí odkaz:
https://doaj.org/article/3934235b85474ecd9faf744d9bf2c0a3
Autor:
Takafumi Matsumura, Kumiko Katagiri, Tatsuma Yao, Yu Ishikawa-Yamauchi, Shino Nagata, Kiyoshi Hashimoto, Takuya Sato, Hiroshi Kimura, Takashi Shinohara, Makoto Sanbo, Masumi Hirabayashi, Takehiko Ogawa
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract An in vitro spermatogenesis method using mouse testicular tissue to produce fertile sperm was established more than a decade ago. Although this culture method has generally not been effective in other animal species, we recently succeeded in
Externí odkaz:
https://doaj.org/article/840c25e053eb49ef8f12a549efe24686
Autor:
Takafumi Utsunomiya, Tatsuma Yao, Hiroko Itoh, Yufuko Kai, Yoko Kumasako, Miwa Setoguchi, Naomi Nakagata, Osamu Tsutsumi, Kaoru Yanagida, Yoshinori Fukuda, Tomohiro Kono
Publikováno v:
Fertility & Reproduction, Vol 05, Iss 04, Pp 318-318 (2023)
Background and Aims: Although culture conditions were recognized as key points, an optimal culture medium formulation, which closely resembles natural human oviduct fluid (HOF), has not been obtained yet. Our aim is to make an ideal embryo culture me
Externí odkaz:
https://doaj.org/article/89e8c7ec69df4d7aaeca1f5a71474082
Autor:
Daisuke Mashiko, Zenki Ikeda, Mikiko Tokoro, Yu Hatano, Tatsuma Yao, Tetsuya J. Kobayashi, Noritaka Fukunaga, Yoshimasa Asada, Kazuo Yamagata
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-14 (2022)
Abstract To improve the performance of assisted reproductive technology, it is necessary to find an indicator that can identify and select embryos that will be born or be aborted. We searched for indicators of embryo selection by comparing born/abort
Externí odkaz:
https://doaj.org/article/20e8b91dc96c4515bea4408979d2786d
Autor:
Takafumi Utsunomiya, Tatsuma Yao, Hiroko Itoh, Yufuko Kai, Yoko Kumasako, Miwa Setoguchi, Naomi Nakagata, Hiroyuki Abe, Motoharu Ishikawa, Koichi Kyono, Hiroaki Shibahara, Osamu Tsutsumi, Yukihiro Terada, Shunsaku Fujii, Kaoru Yanagida, Minesuke Yokoyama, Sueo Niimura, Tsuyoshi Endo, Yoshinori Fukuda, Masato Inoue, Tomohiro Kono, Naoaki Kuji, Fumiko Tawara, Hiroaki Yoshida, Yoshimasa Yokota, Yoshihiro Tada
Publikováno v:
Reproductive Medicine and Biology, Vol 21, Iss 1, Pp n/a-n/a (2022)
Abstract Purpose Our aim is to make an ideal embryo culture medium close to human oviduct fluid (HOF) components, and to evaluate the quality of this medium with embryo quality and clinical outcomes in assisted reproductive technology (ART) by a pros
Externí odkaz:
https://doaj.org/article/eb2a1c2dd1054f7aa46f42552fd480e5
Autor:
Tatsuma Yao, Rie Suzuki, Natsuki Furuta, Yuka Suzuki, Kyoko Kabe, Mikiko Tokoro, Atsushi Sugawara, Akira Yajima, Tomohiro Nagasawa, Satoko Matoba, Kazuo Yamagata, Satoshi Sugimura
Publikováno v:
Scientific Reports, Vol 8, Iss 1, Pp 1-9 (2018)
Abstract Nuclear/chromosomal integrity is an important prerequisite for the assessment of embryo quality in artificial reproductive technology. However, lipid-rich dark cytoplasm in bovine embryos prevents its observation by visible light microscopy.
Externí odkaz:
https://doaj.org/article/525032a9434c444f9740c9fa9e2e76e4
Autor:
Jun Ueda, Akihito Harada, Takashi Urahama, Shinichi Machida, Kazumitsu Maehara, Masashi Hada, Yoshinori Makino, Jumpei Nogami, Naoki Horikoshi, Akihisa Osakabe, Hiroyuki Taguchi, Hiroki Tanaka, Hiroaki Tachiwana, Tatsuma Yao, Minami Yamada, Takashi Iwamoto, Ayako Isotani, Masahito Ikawa, Taro Tachibana, Yuki Okada, Hiroshi Kimura, Yasuyuki Ohkawa, Hitoshi Kurumizaka, Kazuo Yamagata
Publikováno v:
Cell Reports, Vol 18, Iss 3, Pp 593-600 (2017)
Cellular differentiation is associated with dynamic chromatin remodeling in establishing a cell-type-specific epigenomic landscape. Here, we find that mouse testis-specific and replication-dependent histone H3 variant H3t is essential for very early
Externí odkaz:
https://doaj.org/article/06d1e957ec7a424ab096f2a87b360b82
Autor:
Hiroyuki Sanjo, Mitsuru Komeya, Takuya Sato, Takeru Abe, Kumiko Katagiri, Hiroyuki Yamanaka, Yoko Ino, Noriaki Arakawa, Hisashi Hirano, Tatsuma Yao, Yuta Asayama, Akio Matsuhisa, Masahiro Yao, Takehiko Ogawa
Publikováno v:
PLoS ONE, Vol 13, Iss 2, p e0192884 (2018)
We previously reported the successful induction and completion of mouse spermatogenesis by culturing neonatal testis tissues. The culture medium consisted of α-minimum essential medium (α-MEM), supplemented with Knockout serum replacement (KSR) or
Externí odkaz:
https://doaj.org/article/236acba2e5674fcfbcbd4f97ccf9f20c
Autor:
Jun Ueda, Kazumitsu Maehara, Daisuke Mashiko, Takako Ichinose, Tatsuma Yao, Mayuko Hori, Yuko Sato, Hiroshi Kimura, Yasuyuki Ohkawa, Kazuo Yamagata
Publikováno v:
Stem Cell Reports, Vol 2, Iss 6, Pp 910-924 (2014)
In mammals, DNA is methylated at CpG sites, which play pivotal roles in gene silencing and chromatin organization. Furthermore, DNA methylation undergoes dynamic changes during development, differentiation, and in pathological processes. The conventi
Externí odkaz:
https://doaj.org/article/742dcf8b9b2a47ab9f693de4de085739