Generating new mouse mutant strains

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During the last year our research core has worked with ten NIH research units to generate novel embryonic stem cell lines (24 projects, most of them using CRISPR/Cas9 transfections) and new mouse models (36 projects, including 6 CRISPR/Cas9 Zygote injections). This research included establishment of models to study disease associated with RNAse H dysfunction, signal pathway interactions in the immune system, T cell development, hematopoiesis, stem cell biology, epigenetic inheritance in the early embryo, mechanisms regulating genomic stability, RNA metabolism, genetic disorders in bone and extracellular matrix, gene regulation and enhancer function, nervous system development, iron methabolism and malaria risk, and endocrine and cancer genetics. We also performed cryopreservation of 4 mouse lines, derived 14 novel embryonic stem cell lines from genetically altered mice, and re-derived 4 mouse strains. In the past year we developed further expertise to perform zygote injections (nuclear and cytoplasmic) and offered these services to the NICHD research community.