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

“Place for Fusion” (Fusion Oriented Research for disruptive Science and Technology) was held at Nagoya Univ. Institute of Transformative Bio-Molecules (ItBM) on June 18th-20th. Dr. Shogo MATOBA from our laboratory gave a presentation. Shogo MATOBA: Protective mechanism of embryonic development by the placenta and its breakdown – Function of the placenta, the cradle of the embryo-

The 33rd Annual Meeting and 65th Lecture of Tsukuba Association for Laboratory Animals Science (TALAS) was held at the Tsukuba Center for Institutes (Tsukuba, Ibaraki) on June 13th. Dr. Kohtaro MORITA gave a poster presentation. *Poster Presentation* Kohtaro MORITA: Development of a method for rat sperm cryopreservation using a chemically defined solution

The 66th Annual Meeting of Japanese Society for Ova Research (JSOR) was held at the Hiroshima Convention Hall on May 31-June 1. Mr. Takaki TATEBE from our laboratory gave an oral presentation. *Oral Presentation* Takaki TATEBE: Analysis of autophagy degradation systems in mouse somatic cell nuclear transfer embryos

The 72nd Annual Meeting of the Japanese Association for Laboratory Animal Science (JALAS) was held at Nagoya International Exhibition Hall (Port Messe Nagoya) on May 21-23. *Oral Presentation* Narumi OGONUKI: Spermatocyte injection into meiotic oocytes overcame diplotene arrest in azoospermic mutant male mice Fumio IKE: Fecal microbiome of SPF golden hamsters *Poster Presentation* Keiji MOCHIDA: Storage of unfertilized mouse eggs at -80°C Ayumi HASEGAWA: Cryopreservation of gametes from JF1 mice for storage and production of intersubspecific hybrid mice Kohtaro MORITA: Identification of factors involved in the regulatory mechanisms of zygotic genome activation in rats. Dinh Quoc Pham: High cleavage rate and developmental efficiency of mouse embryos cloned from embryonic stem […]