Abstract:Recently, great focus has been on the rescue of endangered animals through somatic cell nuclear transfer (SCNT). Because it is difficult to obtain the oocytes of endangered species, interspecies SCNT (iSCNT) methods have been attempted. Numerous iSCNT embryos have shown unsuccessful development due to aberrations in expression of housekeeping genes and genes dependent on the major embryonic genome activation (EGA). In particular, aberrant EGA may cause the arrest of nucleoli formation and developmental block i… Show more
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