Using an sgRNA (targeting ATGACCCTGAACAGCTCCTG) and an ssODN template (AAGTGCCGTTCTTCTCTGTGCTCTTGTTTGCCCGAGACACATCCAATGACCCTGAACAGCCACTGAGGAACCACCTAAACCAGGTGGGACACACGGGGGGCCTTGAGCAGGTGAGTTGTGGC) with CRIRPR/Cas9 technology, leucine codon 272 (CTC) was changed to proline (CCA) (p.L272P). This mutation is associated with the OTULIN-related auto-inflammatory syndrome (ORAS or otulipenia) in humans.