OTC and ornithine carbamoyltransferase deficiency: Moreover, we investigated the OTC transcripts in healthy OTCP and OTCD primary hepatocytes, as well as unedited and edited iPSC-HLC by amplification of exons 1 to 5 (hepatic differentiation is extensively described and results are shown in the next sections, while OTC transcripts from differentiation experiments are presented here for the purpose of verifying the correction).