genetics 48 human 38 CRISPR Cas system 34 Humans 27 CRISPR-Cas Systems 26 gene editing 26 metabolism 26 nonhuman 26 Animals 24 animal 24 Article 23 clustered regularly interspaced short palindromic repeat 20 CRISPR/Cas9 18 CRISPR 17 Gene Editing 17 CRISPR-Cas9 15 controlled study 15 CRISPR-CAS9 system 13 guide RNA 12 mouse 11 Clustered Regularly Interspaced Short Palindromic Repeats 10 Mice 10 RNA, Guide 10 article 10 gene mutation 9 genome 9 COVID-19 8 gene expression 8 genome editing 8 mutation 8