Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Yukiyo Kumazawa"'
Autor:
Yuki Ono, Hiromitsu Shirasawa, Kazumasa Takahashi, Mayumi Goto, Takahiro Ono, Taichi Sakaguchi, Motonari Okabe, Takeo Hirakawa, Takuya Iwasawa, Akiko Fujishima, Tae Sugawara, Kenichi Makino, Hiroshi Miura, Noritaka Fukunaga, Yoshimasa Asada, Yukiyo Kumazawa, Yukihiro Terada
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-13 (2024)
Abstract During human embryonic development, early cleavage-stage embryos are more susceptible to errors. Studies have shown that many problems occur during the first mitosis, such as direct cleavage, chromosome segregation errors, and multinucleatio
Externí odkaz:
https://doaj.org/article/e874b16209594e5f97dea08be87a6300
Autor:
Hiromitsu Shirasawa, Yukiyo Kumazawa, Wataru Sato, Takuya Iwasawa, Kazue Togashi, Natsuki Ono, Ayaka Fujishima, Kazumasa Takahashi, Eri Maeda, Yukihiro Terada
Publikováno v:
Heliyon, Vol 9, Iss 8, Pp e19074- (2023)
Research question: How does the cost-related oocyte cryopreservation (OoC) vary by the facility in Japan, and what data is provided on the websites about OoC procedures? Design: Website survey. The websites of all 621 facilities that provide assistiv
Externí odkaz:
https://doaj.org/article/ab50ad7b32a54328829ff9e3f1d3d8f9
Autor:
Eri Maeda, Seung Chik Jwa, Yukiyo Kumazawa, Kazuki Saito, Arisa Iba, Ayako Yanagisawa‑Sugita, Akira Kuwahara, Hidekazu Saito, Yukihiro Terada, Takashi Fukuda, Osamu Ishihara, Yasuki Kobayashi
Publikováno v:
BMC Health Services Research, Vol 22, Iss 1, Pp 1-11 (2022)
Abstract Background Economic disparities affect access to assisted reproductive technology (ART) treatment in many countries. At the time of this survey, Japan provided partial reimbursement for ART treatment only for those in low- or middle-income c
Externí odkaz:
https://doaj.org/article/3f3b2eaea65149ebbd56cb135fe0a596
Autor:
Motonari Okabe, Hiromitsu Shirasawa, Yuki Ono, Mayumi Goto, Takuya Iwasawa, Taichi Sakaguchi, Akiko Fujishima, Yohei Onodera, Kenichi Makino, Hiroshi Miura, Yukiyo Kumazawa, Kazumasa Takahashi, Yukihiro Terada
Publikováno v:
Reproductive Medicine and Biology, Vol 22, Iss 1, Pp n/a-n/a (2023)
Abstract Purpose Dynamic morphological changes in the chromosome and cytoskeleton occur in mammals and humans during early embryonic development, and abnormalities such as embryonic chromosomal aneuploidy occur when development does not proceed norma
Externí odkaz:
https://doaj.org/article/8bac129827a24c33a475bb8c7a2d975b
Autor:
Harunori Takahashi, Kazumasa Takahashi, Mayumi Goto, Takeo Hirakawa, Hisataka Hasegawa, Akihiro Shitara, Takuya Iwasawa, Kazue Togashi, Kenichi Makino, Hiromitsu Shirasawa, Hiroshi Miura, Wataru Sato, Yukiyo Kumazawa, Yukihiro Terada
Publikováno v:
Reproductive Medicine and Biology, Vol 20, Iss 4, Pp 444-450 (2021)
Abstract Purpose This study investigated the consistency between results of preimplantation genetic testing for aneuploidy performed on trophectoderm (TE) cells and remaining blastocyst cells. Methods TE biopsy was performed on 29 surplus cryopreserv
Externí odkaz:
https://doaj.org/article/12c97f5daa394b918b7f00a328c4d4d4
Autor:
Takuya Iwasawa, Toshifumi Takahashi, Eri Maeda, Koichi Ishiyama, Satoshi Takahashi, Ryota Suganuma, Koki Matsuo, Masahito Tachibana, Rie Fukuhara, Hiromitsu Shirasawa, Wataru Sato, Yukiyo Kumazawa, Yukihiro Terada
Publikováno v:
Reproductive Biology and Endocrinology, Vol 19, Iss 1, Pp 1-11 (2021)
Abstract Background Uterine adenomyosis is a benign disease, common among women in their 40 and 50 s, characterised by ectopic endometrial tissue in the uterine myometrial layer. Adenomyosis causes infertility and has a negative effect on the outcome
Externí odkaz:
https://doaj.org/article/55fb30743e1c49b7a79c3e96d75904ff
Autor:
Hiromitsu Shirasawa, Natsuki Ono, Yukiyo Kumazawa, Wataru Sato, Naoki Sato, Motomasa Ihara, Nobuo Yaegashi, Yukihiro Terada
Publikováno v:
Reproductive Medicine and Biology, Vol 18, Iss 2, Pp 180-189 (2019)
Abstract Purpose Immature human oocytes from resected ovaries can be used for research and fertility preservation, though it is unknown whether it is feasible to transport oocytes for these purposes. This study examined in vitro maturation (IVM) outc
Externí odkaz:
https://doaj.org/article/5468e8e2570d43e4bda77fca0153b4a5
Autor:
Akiko Fujishima, Kazumasa Takahashi, Mayumi Goto, Takeo Hirakawa, Takuya Iwasawa, Kazue Togashi, Eri Maeda, Hiromitsu Shirasawa, Hiroshi Miura, Wataru Sato, Yukiyo Kumazawa, Yukihiro Terada
Publikováno v:
PLoS ONE, Vol 16, Iss 1, p e0246337 (2021)
Studies have shown that some electrolytes, including Na+ and K+, play important roles in embryonic development. However, these studies evaluated these electrolytes by using inhibitors or knockout mice, with no mention on the changes in the intracellu
Externí odkaz:
https://doaj.org/article/9e767a294720489cb3556eb5fbad4841
Autor:
Akihiro Shitara, Kazumasa Takahashi, Mayumi Goto, Harunori Takahashi, Takuya Iwasawa, Yohei Onodera, Kenichi Makino, Hiroshi Miura, Hiromitsu Shirasawa, Wataru Sato, Yukiyo Kumazawa, Yukihiro Terada
Publikováno v:
PLoS ONE, Vol 16, Iss 2, p e0246438 (2021)
This prospective study evaluated the accuracy of non-invasive preimplantation genetic testing for aneuploidy (niPGT-A) using cell-free DNA in spent culture medium, as well as that of preimplantation genetic testing for aneuploidy (PGT-A) using trophe
Externí odkaz:
https://doaj.org/article/d0666bc74d6e4e83b22cd2cbb879fd2d
Autor:
Wataru Sato, Yasuko Miura, Hiromitsu Shirasawa, Yukiyo Kumazawa, Jin Kumagai, Yukihiro Terada
Publikováno v:
Gynecology and Minimally Invasive Therapy, Vol 6, Iss 2, Pp 69-72 (2017)
Placental site trophoblastic tumor (PSTT) is the rarest subtype of gestational trophoblastic neoplasm. We present a case of PSTT complicating nephrotic syndrome. A 32-year-old woman experienced irregular menstrual bleeding and lower extremity edema 1
Externí odkaz:
https://doaj.org/article/6b962d4be444413bad50f80b4bb26ffd