To investigate the function of KAT8 in placentation, we generatedKat8f/ftransgenic mouse model by inserting Loxp fragments into exons 2 and 3 of theKat8gene (Fig.1b; Supplemental Fig.1a). Subsequently, we crossedKat8f/fwithElf5-Cremice, which specifically function in trophoblasts29, to ...