A tour of RIKEN Tsukuba branch was held for new administrative staff to be employed. They watched “real” mouse IVF and fertilized embryos in our lab.

RIKEN Summer School 2024 was held at Kobe Convention Center (Kobe, Hyogo) on Sep. 2-3. Three members of our lab gave poster presentations. *Poster Presentations* Takateru TATEBE: Analysis of autophagy degradation systems in SCNT embryos Syun TOKITA: Identification of genes responsible for placental enlargement in intersubspecies hybrid mice generated by intracytoplasmic sperm injection Dinh Quoc PHAM: High cleavage rate and developmental efficiency of mouse embryos cloned from embryonic stem cells

Dr. Sayaka Wakayama and two students from the University of Yamanashi visited Tsukuba on 30 July to share the cryopreservation technology they are jointly developing. We hope that this will help us to make progress with our new space experiment project.

The 170th RIKEN BRC Seminar was held at the RIKEN BioResource Research Center and online (Zoom). Dr. Dr. Chong Li Associate Professor, Shanghai First Maternity and Infant Hospital, School of Life Sciences and Technology, Tongji University Title: Studies on histone modifications in somatic cell cloned embryos

Students from Tongji University (Shanghai, China) visited BRC. After an overview of the BRC by Dr. Ogura, the students toured the laboratories in the morning and attended seminars in the afternoon.

The 2nd Annual Meeting ：Dynamic reproductive lifespan -Life-long changes and fluctuations in germ cell function and risk for next generation- (Grant-in-Aid for Transformative Research Areas (A) FY 2023–2027) was held at Aichi Health Plaza Hotel (Chita County, Aichi) on July 24-26. Dr. Kimiko INOUE and Dr. Satoshi FUNAYA participated from our lab, and Dr. Inoue gave an oral presentation. Title: Manipulation of the reproductive lifespan through reproductive engineering technologies

SSR (Society for the Study of Reproduction) 57th Annual Meeting was held at Convention Centre Dublin (Dublin, Ireland) on July 15-19. Dr. Atsuo OGURA gave a lecture as an invited oral speaker. Yanagimachi Session on Assisted Reproduction Technologies Title: Assisted Reproductive Techniques in Mice and Hamsters – Past, Present, and Future Photo with Dr. Wei Xie (Tsinghua University) and Dr. Masahito Ikawa (Osaka University)

The 96th Annual Meeting of Japanese Tissue Culture Association was held at Tsukuba International Congress Center (Ibaraki, Japan) on June 27-28. Theme: “What Cells Can Do and What They Can Do in Culture”. Dr. Atsuo OGURA gave a lecture at the symposium. Symposium 2 Theme: Frontiers of Reproductive Engineering and Stem Cell Research Title: Recent advancement of somatic cell cloning technology

The 71st Annual Meeting of the Japanese Association for Laboratory Animal Science (JALAS) was held at Miyako Messe and Rohm Theatre Kyoto on May 29-31. *Oral Presentation* Kimiko INOUE: Establishment of ES cell lines from wild-derived mice using interspecies nuclear transfer technology. Fumio IKE: Filobacterium sp. 16S rRNA gene detected in deposited metagenome data of rhesus macaque. *Poster Session* Quoc Dinh Pham: High development efficiency of mouse embryos cloned from EB3 embryonic stem cells. Shogo MATOBA: Enhanced epithelial-mesenchymal transition in mouse TSCs derived from cloned embryos. Ayumi HASEGAWA: Cryopreservation of unfertilized oocytes and sperm of wild-derived mouse JF1 strain. Syun TOKITA: Differences in the developmental potential and gene expression in […]