The 59th Annual Meeting of the Japanese Society of Developmental Biologists
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Session Details

Oral Presentation (in English)

[OP01]Oral Presentation 01: Early Embryogenesis 1

Wed. Jun 10, 2026 9:15 AM - 12:00 PM JST
Wed. Jun 10, 2026 12:15 AM - 3:00 AM UTC
Room B = Multi-purpose studio (2F)(JMS ASTERPLAZA 2F)
Chairpersons:Ryohei Nakamura(The Univ. of Tokyo), Hiromi Shimojyo(The Univ. of Osaka)
9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)

[OP01-01（P001）]Identifying fates of aneuploid cells in early human developmentヒトの初期胚発生で染色体異常細胞がたどる運命の解明

*Rina C. Sakata1,2,3, Viviane S. Rosa1,2,3, Sarah Cooper3, Mi Trinh3, Sam Behjati3,4, Roser Vento-Tormo2,3, Marta N. Shahbazi1,2 (1. MRC Laboratory of Molecular Biology, Cambridge, UK , 2. The Loke Centre for Trophoblast Research, University of Cambridge, Cambridge, UK, 3. Wellcome Sanger Institute, Cambridge, UK, 4. Department of Paediatrics, University of Cambridge, Cambridge)
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9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[OP01-02]A blastocyst-derived in vitro model of the human placenta

*Luca Schwarz1, Rina Sakata1, Marta Shahbazi1 (1. MRC Laboratory of Molecular Biology)
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9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[OP01-03（P014）]Chromatin landscapes anticipate germ layer formation in the mammalian epiblast

*Miquel Sendra1, Leo Guignard1, Miguel Torres2,3 (1. Aix-Marseille Université & CNRS, IBDM—UMR7288 & Turing Centre for Living Systems, Marseille, France, 2. Fundación Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain, 3. Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Spain)
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10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)

[OP01-04（P002）]Cadherin-mediated cell sorting ensures elimination of unfit cells from epiblast of periimplantation embryos in the absence of apoptosisアポトーシス抑制のマウス着床期胚において、不適切細胞はカドヘリンを介した細胞選別により排除される

*Rui Shibata1, Masakazu Hashimoto2,1, Hiroshi sasaki1 (1. The University of Osaka,Graduate School of Frontier Biosciences, 2. Fukushima Medical University,Department of Cell Science)
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10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[OP01-05（P015）]Membrane potential regulates cleavage and cell proliferation in mouse preimplantation embryos膜電位はマウス着床前胚の卵割と細胞増殖を制御する

*Toshihiro Aramaki1, Koki Mikami1, Hiroshi Sasaki1 (1. Graduate School of Frontier Biosciences, The University of Osaka)
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10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)

[OP01-06]Abrupt suppression of NODAL signaling triggers primitive streak regression and axial body formation in amniote embryosNODALシグナルの急激な低下が羊膜類における体軸形成と原始線条縮退を誘導する

*Yu Ieda1,2, Carole Phan1, Olinda Alegria-Prévot1, Lieng Taing3, Takayuki Suzuki4, Aurélien Villedieu1, Jérôme Gros1 (1. Institut Pasteur, Université de Paris, CNRS UMR3738, Developmental and Stem Cell Biology Department, 75015 Paris, France., 2. Collège Doctoral, Complexité du Vivant, Sorbonne Université, Paris, France., 3. Institut Pasteur, Université Paris Cité, CNRS UMR 3738, Epigenomics, Proliferation, and the Identity of Cells, Department of Developmental and Stem Cell Biology, 75015 Paris, France., 4. Department of Biology, Graduate School of Science, Osaka Metropolitan University, Osaka, Japan)
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10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)

[OP01-07（P016）]Mechanical force generated by the uterine myometrium specifies the direction of the anterior-posterior axis in the mouse post-implantation embryo子宮筋層からの力がマウス胚の前後軸方向を決める

*Toshihiko Fujimori1,2, Seiya Mikoshiba1,3, Sanae Oka1, Takaya Abe4, Hiroshi Kiyonari4 (1. National Institute for Basic Biology, 2. SOKENDAI (The Graduate School of Advanced Studies), 3. Nagoya Univ., 4. Riken BDR)
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11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)

[OP01-08（P017）]Significant contribution of neuromesodermal progenitors in the genesis of cephalic neural crest神経・中胚葉共通前駆体に由来する頭部神経堤の発生

*Hisato Kondoh1,2, Takuji Iwasato3, Kagayaki Kato (1. Biohistory Research Hall, 2. National Institute of Genetics, 3. Trans-Scale Biology Center, National Institute for Basic Biology)
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11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[OP01-09（P018）]ATXN10, a downstream target of Wnt5a, regulates the establishment of planar cell polarity and cilia positioning in the mouse nodeWnt5aの下流因子ATXN10はマウス胚のノードにおける平面内極性の確立と繊毛の配置を制御する

*Rieko Ajima1,2, Toshihiko Fujimori1,2 (1. National Institute for Basic Biology, 2. SOKENDAI)
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11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[OP01-10]Developmental staging of the Pacific saury Cololabis saira: A reference for a key marine teleost with distinctive embryogenesisサンマ Cololabis saira の発生ステージングと真骨魚類における比較発生研究

*Rie Kusakabe1, Shinya Yamauchi2, Shigehiro Kuraku3 (1. Kansai University, 2. Fukushima Marine Science Museum (Aquamarine Fukushima), 3. National Institute of Genetics)
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11:45 AM - 12:00 PM JST(2:45 AM - 3:00 AM UTC)

[OP01-11（P019）]Analysis of embryonic development variability in Parhyale hawaiensis: From embryo registration to variability measurement.

*Mariam dynar1 (1. Institut de Biologie du Développement de Marseille (IBDM))
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