The 43rd Annual Meeting and Scientific Symposium of the Japan Society of Fertilization and Implantation (JSFI) was held at the Nagoya Marriott Associa Hotel and JR Gate Tower Conference (Nagoya, Aichi) from August 28th to 29th. Two members from our lab each gave a lecture and an oral presentation. Subtitle: ART SCIENCE – Re-examining Quantitative Scientific Evidence *Lecture* Symposium 3: Gametes Weaving Life 2025: Science of Formation and Applications Atsuo OGURA: Mechanisms of Gamete Formation and Fertilization Revealed by Intracytoplasmic Sperm Injection *Oral Presentation* General Program 2: Cryopreservation Keiji MOCHIDA: Results of IVF using mouse oocytes stored at -80°C

TRIP Summer Event 2025: Working at Core Facilities Supporting RIKEN’s Research Capabilities: The Path to Mastery The Transformative Research Innovation Platform of RIKEN (TRIP) Headquarters held an event to showcase the work and workplaces of engineers working at core facilities that provide and support the research technologies that form the foundation of RIKEN’s research, targeting vocational school students, technical college students (fourth year and above), university students, and graduate students. From our lab, Ms. Narumi Ogonuki, Senior Technical Scientist, gave a lecture as part of the RIKEN-wide series, while Ms. Ayumi Hasegawa, Technical Staff II, presented at the “Lab Introduction” session in the Bioresource Research Center (BRC). We also introduced […]

Society for the Study of Reproduction (SSR) 2025 Annual Meeting was held at held at the Marriott Marquis Washington D.C. (USA) from July 29th to August 1. Mr. Takaki TATEBE gave a poster presentation. Theme: Uniting Scientific Disciplines for Breakthroughs in Reproduction *Poster presentation* Takaki TATEBE: Analysis of Autophagy Degradation Systems in Somatic Cell Nuclear Transfer Embryos

The Tokyo Metropolitan Board of Education has established an advanced education program for students with special talents. The program aims to develop students’ talents in science and mathematics, fostering world-leading scientists and researchers. As part of this program, high school students visited the BioRisource Research Center (BRC).

The 12th Wakate BRC Conference (WBC) was held at Moriwaki Hall (RIKEN Tsukuba) and Zoom (Hybrid) on Jul. 11th. Joint plans were also made with the RIKEN Mutual Benefit Society Tsukuba Division: donuts and coffee were provided during breaks. In the evening, a social event was held with drinks and food (hosted by the Life Science Research Promotion Division). Dr. Kohtaro MORITA introduced himself as a new member, and the following members gave presentations. *Poster Presentation* Kohtaro MORITA: Development of a method for rat sperm cryopreservation using a chemically defined solution Dinh Quoc Pham: High cleavage rate and developmental efficiency of mouse embryos cloned from embryonic stem cells Takaki TATEBE: […]

The 53rd Naito Conference was held at Chateraise Gateaux Kingdom Sapporo (Hokkaido, Japan) from July 8th to 11th. Dr. Satoshi Funaya from our lab gave a poster presentation. Germ Cell Biology: Uncovering Mysteries of Continuity and Discontinuity *Poster Presentation* Satsohi FUNAYA: Genome-wide analysis of histone variant H3 in somatic cell nuclear transfer embryos

The 1st Symposium (Kick-off Symposium) for “Next-Generation Developmental Bioengineering (NextDevBio)” was held on June 26th at Inamori Hall, Shiran Kaikan Main Building, Kyoto University. Dr. Shogo Matoba gave a lecture from our laboratory. Title: Exploring mechanisms ensuring embryogenesis using the somatic cell nuclear transfer model

The “Next-Generation Developmental Bioengineering (NextDevBio)” Young Reserchers Workshop was held at CiRA auditorium, Kyoto University on June 25th. Dr. Morita chaired the meeting and the following speakers gave oral presentations. *Oral Presentation* Kohtaro MORITA: Study on the zygotic genome activation mechanism in rats Takaki TATEBE: Analysis of autophagy degradation systems in mouse somatic cell nuclear transfer embryos

The 44th Japan Andrology Society Academic Conference, 35th Annual Meeting on Spermatogenesis and Testicular Toxicity and The 55th Japanese Society for Spermatology Meeting were jointly held at Lasse Hall (Kobe, Hyogo Pref.) on June 20th to 21st. Dr. Atsuo OGURA delivered the keynote speech. Theme: Collaboration of Basic and Clinical Research *Keynote Speech* Reproductive technology with spermatogenic cells and testicular sperm Atsuo OGURA: Development and application of ICSI using spermatogenic cells

The 18th Annual Meeting of the Japanese Society for Epigenetics (JSE) was held at the Fukui Prefectural Hall on June 19th-20th. Dr. FUNAYA gave a poster presentation. *poster presentation* Satoshi FUNAYA: Genome-wide analysis of histone variant H3.3 in SCNT embryos