Mouse Bank at CARD Kumamoto University, Japan

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Cryopreservation of mouse embryos and spermatozoa has become the foremost technique for preserving large numbers of different strains of mice with induced mutations. In 1998, our mouse bank was established in the Center for Animal Resources and Development (CARD), Institute of Resource Development and Analysis, Kumamoto University, Japan, based on the Preservation, supply and development of genetically engineered animals report published by the Ministry of Education, Culture, Sports, Science and Technology. We cryopreserve mouse embryos and sperm, supply these resources, organize training courses to educate people and form part of a domestic and international network of both mutagenesis and resource centers. We currently have over 1,500 mouse strains, 842,000 frozen embryos and 26,000 straws containing frozen sperm. Moreover, we disclose information about 1,300 deposited strains. Furthermore, over 400 strains of frozen embryos or mice produced from frozen embryos and sperm are being supplied to the requesters both domestically and internationally. Additionally we hold training courses on the cryopreservation of mouse germplasm 2~3 times a year, both domestically and internationally. In the course, we teach basic reproductive engineering techniques to trainees on a man-to-man basis. We have already held 28 training courses on the cryopreservation of mouse germplasm at our center and at other institutes.