Bag1 transcribes a multifunctional protein that participates in many important biological processes such as cell apoptosis, proliferation, differentiation and embryo development. Despite numerous published studies, the role of Bag1 in the context of embryonic stem (ES) cells, has not been explored. To investigate the function of Bag1 in ES cells, we generated mutant Bag1 ES cells using the CRISPR/Cas9 system. We established that the Bag1 double knockout ES cell line maintained their pluripotency, possessed a normal karyotype and the ability to differentiate into all three germ layers.
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